Build of latest Github version failing (subcommand failed) #1587

JCruk · 2022-08-08T20:48:59Z

JCruk
Aug 8, 2022

I am unable to successfully build after pulling the latest code from github.

I'm using Ubuntu 20.04 and all required packages are up to date.

$ ninja -C output/release
ninja: Entering directory `output/release'
[1/625] Compiling C++ object src/util/libutil.a.p/PeakBuffer.cxx.o
FAILED: src/util/libutil.a.p/PeakBuffer.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/PeakBuffer.cxx.o -MF src/util/libutil.a.p/PeakBuffer.cxx.o.d -o src/util/libutil.a.p/PeakBuffer.cxx.o -c ../../src/util/PeakBuffer.cxx
In file included from ../../src/util/PeakBuffer.cxx:20:
../../src/util/PeakBuffer.hxx:24:10: fatal error: span: No such file or directory
   24 | #include <span>
      |          ^~~~~~
compilation terminated.
[2/625] Compiling C++ object src/util/libutil.a.p/HugeAllocator.cxx.o
FAILED: src/util/libutil.a.p/HugeAllocator.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/HugeAllocator.cxx.o -MF src/util/libutil.a.p/HugeAllocator.cxx.o.d -o src/util/libutil.a.p/HugeAllocator.cxx.o -c ../../src/util/HugeAllocator.cxx
In file included from ../../src/util/HugeAllocator.hxx:32,
                 from ../../src/util/HugeAllocator.cxx:30:
../../src/util/SpanCast.hxx:36:10: fatal error: span: No such file or directory
   36 | #include <span>
      |          ^~~~~~
compilation terminated.
[3/625] Compiling C++ object src/util/libutil.a.p/SparseBuffer.cxx.o
FAILED: src/util/libutil.a.p/SparseBuffer.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/SparseBuffer.cxx.o -MF src/util/libutil.a.p/SparseBuffer.cxx.o.d -o src/util/libutil.a.p/SparseBuffer.cxx.o -c ../../src/util/SparseBuffer.cxx
In file included from ../../src/util/HugeAllocator.hxx:32,
                 from ../../src/util/SparseBuffer.hxx:32,
                 from ../../src/util/SparseBuffer.cxx:30:
../../src/util/SpanCast.hxx:36:10: fatal error: span: No such file or directory
   36 | #include <span>
      |          ^~~~~~
compilation terminated.
[4/625] Compiling C++ object src/util/libutil.a.p/OptionParser.cxx.o
FAILED: src/util/libutil.a.p/OptionParser.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/OptionParser.cxx.o -MF src/util/libutil.a.p/OptionParser.cxx.o.d -o src/util/libutil.a.p/OptionParser.cxx.o -c ../../src/util/OptionParser.cxx
In file included from ../../src/util/OptionParser.cxx:20:
../../src/util/OptionParser.hxx:25:10: fatal error: span: No such file or directory
   25 | #include <span>
      |          ^~~~~~
compilation terminated.
[6/625] Compiling C++ object src/io/libio.a.p/BufferedReader.cxx.o
FAILED: src/io/libio.a.p/BufferedReader.cxx.o 
c++ -Isrc/io/libio.a.p -Isrc/io -I../../src/io -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/io/libio.a.p/BufferedReader.cxx.o -MF src/io/libio.a.p/BufferedReader.cxx.o.d -o src/io/libio.a.p/BufferedReader.cxx.o -c ../../src/io/BufferedReader.cxx
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedReader.hxx:32,
                 from ../../src/io/BufferedReader.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:35:10: fatal error: span: No such file or directory
   35 | #include <span>
      |          ^~~~~~
compilation terminated.
[7/625] Compiling C++ object src/io/libio.a.p/BufferedOutputStream.cxx.o
FAILED: src/io/libio.a.p/BufferedOutputStream.cxx.o 
c++ -Isrc/io/libio.a.p -Isrc/io -I../../src/io -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/io/libio.a.p/BufferedOutputStream.cxx.o -MF src/io/libio.a.p/BufferedOutputStream.cxx.o.d -o src/io/libio.a.p/BufferedOutputStream.cxx.o -c ../../src/io/BufferedOutputStream.cxx
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedOutputStream.hxx:34,
                 from ../../src/io/BufferedOutputStream.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:35:10: fatal error: span: No such file or directory
   35 | #include <span>
      |          ^~~~~~
compilation terminated.
[11/625] Compiling C++ object src/util/libutil.a.p/UriRelative.cxx.o
FAILED: src/util/libutil.a.p/UriRelative.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/UriRelative.cxx.o -MF src/util/libutil.a.p/UriRelative.cxx.o.d -o src/util/libutil.a.p/UriRelative.cxx.o -c ../../src/util/UriRelative.cxx
../../src/util/UriRelative.cxx: In function ‘void StripLeadingSlashes(std::string_view&)’:
../../src/util/UriRelative.cxx:106:11: error: ‘using string_view = class std::basic_string_view<char>’ {aka ‘class std::basic_string_view<char>’} has no member named ‘starts_with’
  106 |  while (s.starts_with('/'))
      |           ^~~~~~~~~~~
../../src/util/UriRelative.cxx: In function ‘std::string uri_apply_relative(std::string_view, std::string_view)’:
../../src/util/UriRelative.cxx:183:21: error: ‘using string_view = class std::basic_string_view<char>’ {aka ‘class std::basic_string_view<char>’} has no member named ‘starts_with’
  183 |   if (relative_path.starts_with("../"sv))
      |                     ^~~~~~~~~~~
In file included from ../../src/util/UriRelative.cxx:33:
../../src/util/StringCompare.hxx: In instantiation of ‘bool SkipPrefix(std::basic_string_view<T>&, std::basic_string_view<T>) [with T = char]’:
../../src/util/UriRelative.cxx:130:39:   required from here
../../src/util/StringCompare.hxx:147:24: error: ‘class std::basic_string_view<char>’ has no member named ‘starts_with’
  147 |  bool match = haystack.starts_with(needle);
      |               ~~~~~~~~~^~~~~~~~~~~
[12/625] Compiling C++ object src/lib/icu/libicu.a.p/Converter.cxx.o
FAILED: src/lib/icu/libicu.a.p/Converter.cxx.o 
c++ -Isrc/lib/icu/libicu.a.p -Isrc/lib/icu -I../../src/lib/icu -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/lib/icu/libicu.a.p/Converter.cxx.o -MF src/lib/icu/libicu.a.p/Converter.cxx.o.d -o src/lib/icu/libicu.a.p/Converter.cxx.o -c ../../src/lib/icu/Converter.cxx
In file included from ../../src/lib/icu/Converter.cxx:33:
../../src/util/AllocatedArray.hxx:34:10: fatal error: span: No such file or directory
   34 | #include <span>
      |          ^~~~~~
compilation terminated.
[15/625] Compiling C++ object src/util/libutil.a.p/UriQueryParser.cxx.o
FAILED: src/util/libutil.a.p/UriQueryParser.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/UriQueryParser.cxx.o -MF src/util/libutil.a.p/UriQueryParser.cxx.o.d -o src/util/libutil.a.p/UriQueryParser.cxx.o -c ../../src/util/UriQueryParser.cxx
../../src/util/UriQueryParser.cxx: In function ‘std::string_view UriFindRawQueryParameter(std::string_view, std::string_view)’:
../../src/util/UriQueryParser.cxx:39:9: error: ‘const string_view’ {aka ‘const class std::basic_string_view<char>’} has no member named ‘starts_with’
   39 |   if (i.starts_with(name)) {
      |         ^~~~~~~~~~~
[18/625] Compiling C++ object src/util/libutil.a.p/StringStrip.cxx.o
FAILED: src/util/libutil.a.p/StringStrip.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/StringStrip.cxx.o -MF src/util/libutil.a.p/StringStrip.cxx.o.d -o src/util/libutil.a.p/StringStrip.cxx.o -c ../../src/util/StringStrip.cxx
../../src/util/StringStrip.cxx: In function ‘std::string_view StripLeft(std::string_view)’:
../../src/util/StringStrip.cxx:66:8: error: invalid conversion from ‘std::basic_string_view<char>::const_iterator’ {aka ‘const char*’} to ‘std::basic_string_view<char>::size_type’ {aka ‘long unsigned int’} [-fpermissive]
   66 |   s.end(),
      |   ~~~~~^~
      |        |
      |        std::basic_string_view<char>::const_iterator {aka const char*}
In file included from ../../src/util/StringStrip.hxx:33,
                 from ../../src/util/StringStrip.cxx:30:
/usr/include/c++/9/string_view:129:56: note:   initializing argument 2 of ‘constexpr std::basic_string_view<_CharT, _Traits>::basic_string_view(const _CharT*, std::basic_string_view<_CharT, _Traits>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_string_view<_CharT, _Traits>::size_type = long unsigned int]’
  129 |       basic_string_view(const _CharT* __str, size_type __len) noexcept
      |                                              ~~~~~~~~~~^~~~~
ninja: build stopped: subcommand failed.

MaxKellermann · 2022-08-08T20:56:58Z

MaxKellermann
Aug 8, 2022
Maintainer

It looks like your compiler is not C++20 compliant.

3 replies

JCruk Aug 8, 2022
Author

I installed g++ -10 and am still unsuccessful

$ ninja -C output/release
ninja: Entering directory `output/release'
[1/610] Compiling C++ object src/util/libutil.a.p/HugeAllocator.cxx.o
FAILED: src/util/libutil.a.p/HugeAllocator.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/HugeAllocator.cxx.o -MF src/util/libutil.a.p/HugeAllocator.cxx.o.d -o src/util/libutil.a.p/HugeAllocator.cxx.o -c ../../src/util/HugeAllocator.cxx
In file included from ../../src/util/HugeAllocator.hxx:32,
                 from ../../src/util/HugeAllocator.cxx:30:
../../src/util/SpanCast.hxx:44:16: error: ‘span’ in namespace ‘std’ does not name a template type
   44 | constexpr std::span<T>
      |                ^~~~
../../src/util/SpanCast.hxx:62:16: error: ‘span’ in namespace ‘std’ does not name a template type
   62 | constexpr std::span<T>
      |                ^~~~
../../src/util/SpanCast.hxx:70:16: error: ‘span’ in namespace ‘std’ does not name a template type
   70 | constexpr std::span<const char>
      |                ^~~~
../../src/util/SpanCast.hxx:82:13: error: ‘span’ in namespace ‘std’ does not name a template type
   82 | inline std::span<const std::byte>
      |             ^~~~
../../src/util/SpanCast.hxx:89:19: error: ‘span’ is not a member of ‘std’
   89 | ToStringView(std::span<const char> s) noexcept
      |                   ^~~~
../../src/util/SpanCast.hxx:89:24: error: expected primary-expression before ‘const’
   89 | ToStringView(std::span<const char> s) noexcept
      |                        ^~~~~
../../src/util/SpanCast.hxx:95:1: error: redefinition of ‘constexpr const string_view ToStringView’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      | ^~~~~~~~~~~~
../../src/util/SpanCast.hxx:89:1: note: ‘constexpr const string_view ToStringView’ previously defined here
   89 | ToStringView(std::span<const char> s) noexcept
      | ^~~~~~~~~~~~
../../src/util/SpanCast.hxx:95:19: error: ‘span’ is not a member of ‘std’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      |                   ^~~~
../../src/util/SpanCast.hxx:95:24: error: expected primary-expression before ‘const’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      |                        ^~~~~
In file included from ../../src/util/HugeAllocator.cxx:30:
../../src/util/HugeAllocator.hxx:51:6: error: ‘span’ in namespace ‘std’ does not name a template type
   51 | std::span<std::byte>
      |      ^~~~
../../src/util/HugeAllocator.hxx:156:22: error: ‘span’ in namespace ‘std’ does not name a template type
  156 |  using Buffer = std::span<T>;
      |                      ^~~~
../../src/util/HugeAllocator.hxx:157:2: error: ‘Buffer’ does not name a type
  157 |  Buffer buffer{nullptr};
      |  ^~~~~~
../../src/util/HugeAllocator.hxx:157:24: warning: extra ‘;’ [-Wpedantic]
  157 |  Buffer buffer{nullptr};
      |                        ^
      |                        -
../../src/util/HugeAllocator.hxx:160:19: error: ‘Buffer’ has not been declared
  160 |  typedef typename Buffer::size_type size_type;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:161:19: error: ‘Buffer’ has not been declared
  161 |  typedef typename Buffer::value_type value_type;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:162:19: error: ‘Buffer’ has not been declared
  162 |  typedef typename Buffer::reference reference;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:163:19: error: ‘Buffer’ has not been declared
  163 |  typedef typename Buffer::const_reference const_reference;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:164:19: error: ‘Buffer’ has not been declared
  164 |  typedef typename Buffer::iterator iterator;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx: In constructor ‘HugeArray<T>::HugeArray(HugeArray<T>::size_type)’:
../../src/util/HugeAllocator.hxx:169:4: error: class ‘HugeArray<T>’ does not have any field named ‘buffer’
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |    ^~~~~~
../../src/util/HugeAllocator.hxx:169:11: error: ‘FromBytesFloor’ was not declared in this scope
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |           ^~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:169:36: error: expected primary-expression before ‘>’ token
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |                                    ^
../../src/util/HugeAllocator.hxx:169:38: error: there are no arguments to ‘HugeAllocate’ that depend on a template parameter, so a declaration of ‘HugeAllocate’ must be available [-fpermissive]
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |                                      ^~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:169:38: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
../../src/util/HugeAllocator.hxx: In constructor ‘constexpr HugeArray<T>::HugeArray(HugeArray<T>&&)’:
../../src/util/HugeAllocator.hxx:172:4: error: class ‘HugeArray<T>’ does not have any field named ‘buffer’
  172 |   :buffer(std::exchange(other.buffer, nullptr)) {}
      |    ^~~~~~
../../src/util/HugeAllocator.hxx: In destructor ‘HugeArray<T>::~HugeArray()’:
../../src/util/HugeAllocator.hxx:175:8: error: ‘buffer’ was not declared in this scope
  175 |   if (!buffer.empty()) {
      |        ^~~~~~
../../src/util/HugeAllocator.hxx:176:18: error: ‘as_writable_bytes’ is not a member of ‘std’
  176 |    auto v = std::as_writable_bytes(buffer);
      |                  ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>& HugeArray<T>::operator=(HugeArray<T>&&)’:
../../src/util/HugeAllocator.hxx:183:8: error: ‘buffer’ was not declared in this scope
  183 |   swap(buffer, other.buffer);
      |        ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::SetName(const char*)’:
../../src/util/HugeAllocator.hxx:188:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  188 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:188:41: error: ‘buffer’ was not declared in this scope
  188 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::ForkCow(bool)’:
../../src/util/HugeAllocator.hxx:193:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  193 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:193:41: error: ‘buffer’ was not declared in this scope
  193 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::Discard()’:
../../src/util/HugeAllocator.hxx:198:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  198 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:198:41: error: ‘buffer’ was not declared in this scope
  198 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr bool HugeArray<T>::operator==(std::nullptr_t) const’:
../../src/util/HugeAllocator.hxx:203:10: error: ‘buffer’ was not declared in this scope
  203 |   return buffer == nullptr;
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr bool HugeArray<T>::operator!=(std::nullptr_t) const’:
../../src/util/HugeAllocator.hxx:207:10: error: ‘buffer’ was not declared in this scope
  207 |   return buffer != nullptr;
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr HugeArray<T>::size_type HugeArray<T>::size() const’:
../../src/util/HugeAllocator.hxx:214:10: error: ‘buffer’ was not declared in this scope
  214 |   return buffer.size();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::front()’:
../../src/util/HugeAllocator.hxx:218:10: error: ‘buffer’ was not declared in this scope
  218 |   return buffer.front();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::front() const’:
../../src/util/HugeAllocator.hxx:222:10: error: ‘buffer’ was not declared in this scope
  222 |   return buffer.front();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::back()’:
../../src/util/HugeAllocator.hxx:226:10: error: ‘buffer’ was not declared in this scope
  226 |   return buffer.back();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::back() const’:
../../src/util/HugeAllocator.hxx:230:10: error: ‘buffer’ was not declared in this scope
  230 |   return buffer.back();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::operator[](HugeArray<T>::size_type)’:
../../src/util/HugeAllocator.hxx:237:10: error: ‘buffer’ was not declared in this scope
  237 |   return buffer[i];
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::operator[](HugeArray<T>::size_type) const’:
../../src/util/HugeAllocator.hxx:244:10: error: ‘buffer’ was not declared in this scope
  244 |   return buffer[i];
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::iterator HugeArray<T>::begin()’:
../../src/util/HugeAllocator.hxx:248:10: error: ‘buffer’ was not declared in this scope
  248 |   return buffer.begin();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr auto HugeArray<T>::begin() const’:
../../src/util/HugeAllocator.hxx:252:10: error: ‘buffer’ was not declared in this scope
  252 |   return buffer.begin();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::iterator HugeArray<T>::end()’:
../../src/util/HugeAllocator.hxx:256:10: error: ‘buffer’ was not declared in this scope
  256 |   return buffer.end();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr auto HugeArray<T>::end() const’:
../../src/util/HugeAllocator.hxx:260:10: error: ‘buffer’ was not declared in this scope
  260 |   return buffer.end();
      |          ^~~~~~
../../src/util/HugeAllocator.cxx: At global scope:
../../src/util/HugeAllocator.cxx:59:6: error: ‘span’ in namespace ‘std’ does not name a template type
   59 | std::span<std::byte>
      |      ^~~~
[2/610] Compiling C++ object src/util/libutil.a.p/SparseBuffer.cxx.o
FAILED: src/util/libutil.a.p/SparseBuffer.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/SparseBuffer.cxx.o -MF src/util/libutil.a.p/SparseBuffer.cxx.o.d -o src/util/libutil.a.p/SparseBuffer.cxx.o -c ../../src/util/SparseBuffer.cxx
In file included from ../../src/util/HugeAllocator.hxx:32,
                 from ../../src/util/SparseBuffer.hxx:32,
                 from ../../src/util/SparseBuffer.cxx:30:
../../src/util/SpanCast.hxx:44:16: error: ‘span’ in namespace ‘std’ does not name a template type
   44 | constexpr std::span<T>
      |                ^~~~
../../src/util/SpanCast.hxx:62:16: error: ‘span’ in namespace ‘std’ does not name a template type
   62 | constexpr std::span<T>
      |                ^~~~
../../src/util/SpanCast.hxx:70:16: error: ‘span’ in namespace ‘std’ does not name a template type
   70 | constexpr std::span<const char>
      |                ^~~~
../../src/util/SpanCast.hxx:82:13: error: ‘span’ in namespace ‘std’ does not name a template type
   82 | inline std::span<const std::byte>
      |             ^~~~
../../src/util/SpanCast.hxx:89:19: error: ‘span’ is not a member of ‘std’
   89 | ToStringView(std::span<const char> s) noexcept
      |                   ^~~~
../../src/util/SpanCast.hxx:89:24: error: expected primary-expression before ‘const’
   89 | ToStringView(std::span<const char> s) noexcept
      |                        ^~~~~
../../src/util/SpanCast.hxx:95:1: error: redefinition of ‘constexpr const string_view ToStringView’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      | ^~~~~~~~~~~~
../../src/util/SpanCast.hxx:89:1: note: ‘constexpr const string_view ToStringView’ previously defined here
   89 | ToStringView(std::span<const char> s) noexcept
      | ^~~~~~~~~~~~
../../src/util/SpanCast.hxx:95:19: error: ‘span’ is not a member of ‘std’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      |                   ^~~~
../../src/util/SpanCast.hxx:95:24: error: expected primary-expression before ‘const’
   95 | ToStringView(std::span<const std::byte> s) noexcept
      |                        ^~~~~
In file included from ../../src/util/SparseBuffer.hxx:32,
                 from ../../src/util/SparseBuffer.cxx:30:
../../src/util/HugeAllocator.hxx:51:6: error: ‘span’ in namespace ‘std’ does not name a template type
   51 | std::span<std::byte>
      |      ^~~~
../../src/util/HugeAllocator.hxx:156:22: error: ‘span’ in namespace ‘std’ does not name a template type
  156 |  using Buffer = std::span<T>;
      |                      ^~~~
../../src/util/HugeAllocator.hxx:157:2: error: ‘Buffer’ does not name a type
  157 |  Buffer buffer{nullptr};
      |  ^~~~~~
../../src/util/HugeAllocator.hxx:157:24: warning: extra ‘;’ [-Wpedantic]
  157 |  Buffer buffer{nullptr};
      |                        ^
      |                        -
../../src/util/HugeAllocator.hxx:160:19: error: ‘Buffer’ has not been declared
  160 |  typedef typename Buffer::size_type size_type;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:161:19: error: ‘Buffer’ has not been declared
  161 |  typedef typename Buffer::value_type value_type;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:162:19: error: ‘Buffer’ has not been declared
  162 |  typedef typename Buffer::reference reference;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:163:19: error: ‘Buffer’ has not been declared
  163 |  typedef typename Buffer::const_reference const_reference;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx:164:19: error: ‘Buffer’ has not been declared
  164 |  typedef typename Buffer::iterator iterator;
      |                   ^~~~~~
../../src/util/HugeAllocator.hxx: In constructor ‘HugeArray<T>::HugeArray(HugeArray<T>::size_type)’:
../../src/util/HugeAllocator.hxx:169:4: error: class ‘HugeArray<T>’ does not have any field named ‘buffer’
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |    ^~~~~~
../../src/util/HugeAllocator.hxx:169:11: error: ‘FromBytesFloor’ was not declared in this scope
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |           ^~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:169:36: error: expected primary-expression before ‘>’ token
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |                                    ^
../../src/util/HugeAllocator.hxx:169:38: error: there are no arguments to ‘HugeAllocate’ that depend on a template parameter, so a declaration of ‘HugeAllocate’ must be available [-fpermissive]
  169 |   :buffer(FromBytesFloor<value_type>(HugeAllocate(sizeof(value_type) * _size))) {}
      |                                      ^~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:169:38: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
../../src/util/HugeAllocator.hxx: In constructor ‘constexpr HugeArray<T>::HugeArray(HugeArray<T>&&)’:
../../src/util/HugeAllocator.hxx:172:4: error: class ‘HugeArray<T>’ does not have any field named ‘buffer’
  172 |   :buffer(std::exchange(other.buffer, nullptr)) {}
      |    ^~~~~~
../../src/util/HugeAllocator.hxx: In destructor ‘HugeArray<T>::~HugeArray()’:
../../src/util/HugeAllocator.hxx:175:8: error: ‘buffer’ was not declared in this scope
  175 |   if (!buffer.empty()) {
      |        ^~~~~~
../../src/util/HugeAllocator.hxx:176:18: error: ‘as_writable_bytes’ is not a member of ‘std’
  176 |    auto v = std::as_writable_bytes(buffer);
      |                  ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>& HugeArray<T>::operator=(HugeArray<T>&&)’:
../../src/util/HugeAllocator.hxx:183:8: error: ‘buffer’ was not declared in this scope
  183 |   swap(buffer, other.buffer);
      |        ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::SetName(const char*)’:
../../src/util/HugeAllocator.hxx:188:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  188 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:188:41: error: ‘buffer’ was not declared in this scope
  188 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::ForkCow(bool)’:
../../src/util/HugeAllocator.hxx:193:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  193 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:193:41: error: ‘buffer’ was not declared in this scope
  193 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘void HugeArray<T>::Discard()’:
../../src/util/HugeAllocator.hxx:198:23: error: ‘as_writable_bytes’ is not a member of ‘std’
  198 |   const auto v = std::as_writable_bytes(buffer);
      |                       ^~~~~~~~~~~~~~~~~
../../src/util/HugeAllocator.hxx:198:41: error: ‘buffer’ was not declared in this scope
  198 |   const auto v = std::as_writable_bytes(buffer);
      |                                         ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr bool HugeArray<T>::operator==(std::nullptr_t) const’:
../../src/util/HugeAllocator.hxx:203:10: error: ‘buffer’ was not declared in this scope
  203 |   return buffer == nullptr;
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr bool HugeArray<T>::operator!=(std::nullptr_t) const’:
../../src/util/HugeAllocator.hxx:207:10: error: ‘buffer’ was not declared in this scope
  207 |   return buffer != nullptr;
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr HugeArray<T>::size_type HugeArray<T>::size() const’:
../../src/util/HugeAllocator.hxx:214:10: error: ‘buffer’ was not declared in this scope
  214 |   return buffer.size();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::front()’:
../../src/util/HugeAllocator.hxx:218:10: error: ‘buffer’ was not declared in this scope
  218 |   return buffer.front();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::front() const’:
../../src/util/HugeAllocator.hxx:222:10: error: ‘buffer’ was not declared in this scope
  222 |   return buffer.front();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::back()’:
../../src/util/HugeAllocator.hxx:226:10: error: ‘buffer’ was not declared in this scope
  226 |   return buffer.back();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::back() const’:
../../src/util/HugeAllocator.hxx:230:10: error: ‘buffer’ was not declared in this scope
  230 |   return buffer.back();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::reference HugeArray<T>::operator[](HugeArray<T>::size_type)’:
../../src/util/HugeAllocator.hxx:237:10: error: ‘buffer’ was not declared in this scope
  237 |   return buffer[i];
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::const_reference HugeArray<T>::operator[](HugeArray<T>::size_type) const’:
../../src/util/HugeAllocator.hxx:244:10: error: ‘buffer’ was not declared in this scope
  244 |   return buffer[i];
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::iterator HugeArray<T>::begin()’:
../../src/util/HugeAllocator.hxx:248:10: error: ‘buffer’ was not declared in this scope
  248 |   return buffer.begin();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr auto HugeArray<T>::begin() const’:
../../src/util/HugeAllocator.hxx:252:10: error: ‘buffer’ was not declared in this scope
  252 |   return buffer.begin();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘HugeArray<T>::iterator HugeArray<T>::end()’:
../../src/util/HugeAllocator.hxx:256:10: error: ‘buffer’ was not declared in this scope
  256 |   return buffer.end();
      |          ^~~~~~
../../src/util/HugeAllocator.hxx: In member function ‘constexpr auto HugeArray<T>::end() const’:
../../src/util/HugeAllocator.hxx:260:10: error: ‘buffer’ was not declared in this scope
  260 |   return buffer.end();
      |          ^~~~~~
In file included from ../../src/util/SparseBuffer.cxx:30:
../../src/util/SparseBuffer.hxx: At global scope:
../../src/util/SparseBuffer.hxx:118:8: error: ‘span’ in namespace ‘std’ does not name a template type
  118 |   std::span<const T> defined_buffer;
      |        ^~~~
../../src/util/SparseBuffer.hxx:131:7: error: ‘span’ in namespace ‘std’ does not name a template type
  131 |  std::span<T> Write(size_type offset) noexcept {
      |       ^~~~
../../src/util/SparseBuffer.hxx: In member function ‘constexpr bool SparseBuffer<T>::ReadResult::HasData() const’:
../../src/util/SparseBuffer.hxx:122:6: error: ‘defined_buffer’ was not declared in this scope
  122 |     !defined_buffer.empty();
      |      ^~~~~~~~~~~~~~
[4/610] Compiling C++ object src/util/libutil.a.p/PeakBuffer.cxx.o
FAILED: src/util/libutil.a.p/PeakBuffer.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/PeakBuffer.cxx.o -MF src/util/libutil.a.p/PeakBuffer.cxx.o.d -o src/util/libutil.a.p/PeakBuffer.cxx.o -c ../../src/util/PeakBuffer.cxx
In file included from ../../src/util/PeakBuffer.cxx:20:
../../src/util/PeakBuffer.hxx:64:7: error: ‘span’ in namespace ‘std’ does not name a template type
   64 |  std::span<std::byte> Read() const noexcept;
      |       ^~~~
../../src/util/PeakBuffer.hxx:68:14: error: ‘std::span’ has not been declared
   68 |  bool Append(std::span<const std::byte> src);
      |              ^~~
../../src/util/PeakBuffer.hxx:68:23: error: expected ‘,’ or ‘...’ before ‘<’ token
   68 |  bool Append(std::span<const std::byte> src);
      |                       ^
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/util/PeakBuffer.cxx:21:
../../src/util/ForeignFifoBuffer.hxx:51:21: error: ‘span’ in namespace ‘std’ does not name a template type
   51 |  using Range = std::span<T>;
      |                     ^~~~
../../src/util/ForeignFifoBuffer.hxx:52:27: error: ‘Range’ has not been declared
   52 |  using pointer = typename Range::pointer;
      |                           ^~~~~
../../src/util/ForeignFifoBuffer.hxx:53:33: error: ‘Range’ has not been declared
   53 |  using const_pointer = typename Range::const_pointer;
      |                                 ^~~~~
../../src/util/ForeignFifoBuffer.hxx:151:12: error: ‘Range’ does not name a type
  151 |  constexpr Range Write() noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:195:12: error: ‘Range’ does not name a type
  195 |  constexpr Range Read() const noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:211:27: error: ‘pointer’ has not been declared
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                           ^~~~~~~
../../src/util/ForeignFifoBuffer.hxx:226:31: error: ‘std::span’ has not been declared
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                               ^~~
../../src/util/ForeignFifoBuffer.hxx:226:40: error: expected ‘,’ or ‘...’ before ‘<’ token
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                                        ^
../../src/util/ForeignFifoBuffer.hxx: In member function ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::MoveFrom(int)’:
../../src/util/ForeignFifoBuffer.hxx:227:12: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  227 |   auto w = Write();
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:227:12: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
../../src/util/ForeignFifoBuffer.hxx:229:7: error: ‘src’ was not declared in this scope
  229 |   if (src.size() > w.size() && head > 0) {
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:234:8: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  234 |    w = Write();
      |        ^~~~~
../../src/util/ForeignFifoBuffer.hxx:237:7: error: ‘src’ was not declared in this scope
  237 |   if (src.size() > w.size())
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:240:13: error: ‘src’ was not declared in this scope
  240 |   std::move(src.begin(), src.end(), w.begin());
      |             ^~~
In file included from ../../src/util/PeakBuffer.cxx:21:
../../src/util/DynamicFifoBuffer.hxx: At global scope:
../../src/util/DynamicFifoBuffer.hxx:112:14: error: ‘std::span’ has not been declared
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |              ^~~
../../src/util/DynamicFifoBuffer.hxx:112:23: error: expected ‘,’ or ‘...’ before ‘<’ token
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |                       ^
../../src/util/DynamicFifoBuffer.hxx: In member function ‘void DynamicFifoBuffer<T>::Append(int)’:
../../src/util/DynamicFifoBuffer.hxx:113:13: error: ‘src’ was not declared in this scope
  113 |   std::copy(src.begin(), src.end(), Write(src.size()));
      |             ^~~
../../src/util/DynamicFifoBuffer.hxx: In instantiation of ‘class DynamicFifoBuffer<std::byte>’:
../../src/util/PeakBuffer.cxx:28:9:   required from here
../../src/util/DynamicFifoBuffer.hxx:44:39: error: ‘pointer’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   44 |  using typename ForeignFifoBuffer<T>::pointer;
      |                                       ^~~~~~~
../../src/util/DynamicFifoBuffer.hxx:45:39: error: ‘const_pointer’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   45 |  using typename ForeignFifoBuffer<T>::const_pointer;
      |                                       ^~~~~~~~~~~~~
../../src/util/DynamicFifoBuffer.hxx:46:39: error: ‘Range’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   46 |  using typename ForeignFifoBuffer<T>::Range;
      |                                       ^~~~~
../../src/util/DynamicFifoBuffer.hxx:73:30: error: ‘Write’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   73 |  using ForeignFifoBuffer<T>::Write;
      |                              ^~~~~
../../src/util/DynamicFifoBuffer.hxx:104:10: error: no type named ‘pointer’ in ‘class ForeignFifoBuffer<std::byte>’
  104 |  pointer Write(size_type n) noexcept {
      |          ^~~~~
../../src/util/PeakBuffer.cxx: At global scope:
../../src/util/PeakBuffer.cxx:39:6: error: ‘span’ in namespace ‘std’ does not name a template type
   39 | std::span<std::byte>
      |      ^~~~
../../src/util/PeakBuffer.cxx:78:3: error: ‘std::span’ has not been declared
   78 |   std::span<const std::byte> src) noexcept
      |   ^~~
../../src/util/PeakBuffer.cxx:78:12: error: expected ‘,’ or ‘...’ before ‘<’ token
   78 |   std::span<const std::byte> src) noexcept
      |            ^
../../src/util/PeakBuffer.cxx: In function ‘std::size_t AppendTo(DynamicFifoBuffer<std::byte>&, int)’:
../../src/util/PeakBuffer.cxx:85:25: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
   85 |   const auto p = buffer.Write();
      |                         ^~~~~
../../src/util/PeakBuffer.cxx:89:39: error: ‘src’ was not declared in this scope
   89 |   const std::size_t nbytes = std::min(src.size(), p.size());
      |                                       ^~~
../../src/util/PeakBuffer.cxx:95:12: error: ‘src’ was not declared in this scope
   95 |  } while (!src.empty());
      |            ^~~
../../src/util/PeakBuffer.cxx: At global scope:
../../src/util/PeakBuffer.cxx:101:1: error: ‘bool PeakBuffer::Append’ is not a static data member of ‘class PeakBuffer’
  101 | PeakBuffer::Append(std::span<const std::byte> src)
      | ^~~~~~~~~~
../../src/util/PeakBuffer.cxx:101:25: error: ‘span’ is not a member of ‘std’
  101 | PeakBuffer::Append(std::span<const std::byte> src)
      |                         ^~~~
../../src/util/PeakBuffer.cxx:101:30: error: expected primary-expression before ‘const’
  101 | PeakBuffer::Append(std::span<const std::byte> src)
      |                              ^~~~~
../../src/util/PeakBuffer.cxx:77:1: warning: ‘std::size_t AppendTo(DynamicFifoBuffer<std::byte>&, int)’ defined but not used [-Wunused-function]
   77 | AppendTo(DynamicFifoBuffer<std::byte> &buffer,
      | ^~~~~~~~
[5/610] Compiling C++ object src/util/libutil.a.p/StringStrip.cxx.o
FAILED: src/util/libutil.a.p/StringStrip.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/StringStrip.cxx.o -MF src/util/libutil.a.p/StringStrip.cxx.o.d -o src/util/libutil.a.p/StringStrip.cxx.o -c ../../src/util/StringStrip.cxx
../../src/util/StringStrip.cxx: In function ‘std::string_view StripLeft(std::string_view)’:
../../src/util/StringStrip.cxx:66:8: error: invalid conversion from ‘std::basic_string_view<char>::const_iterator’ {aka ‘const char*’} to ‘std::basic_string_view<char>::size_type’ {aka ‘long unsigned int’} [-fpermissive]
   66 |   s.end(),
      |   ~~~~~^~
      |        |
      |        std::basic_string_view<char>::const_iterator {aka const char*}
In file included from ../../src/util/StringStrip.hxx:33,
                 from ../../src/util/StringStrip.cxx:30:
/usr/include/c++/10/string_view:133:56: note:   initializing argument 2 of ‘constexpr std::basic_string_view<_CharT, _Traits>::basic_string_view(const _CharT*, std::basic_string_view<_CharT, _Traits>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_string_view<_CharT, _Traits>::size_type = long unsigned int]’
  133 |       basic_string_view(const _CharT* __str, size_type __len) noexcept
      |                                              ~~~~~~~~~~^~~~~
[6/610] Compiling C++ object src/util/libutil.a.p/OptionParser.cxx.o
FAILED: src/util/libutil.a.p/OptionParser.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/OptionParser.cxx.o -MF src/util/libutil.a.p/OptionParser.cxx.o.d -o src/util/libutil.a.p/OptionParser.cxx.o -c ../../src/util/OptionParser.cxx
In file included from ../../src/util/OptionParser.cxx:20:
../../src/util/OptionParser.hxx:32:7: error: ‘span’ in namespace ‘std’ does not name a template type
   32 |  std::span<const OptionDef> options;
      |       ^~~~
../../src/util/OptionParser.hxx:34:7: error: ‘span’ in namespace ‘std’ does not name a template type
   34 |  std::span<const char *const> args;
      |       ^~~~
../../src/util/OptionParser.hxx:42:24: error: expected ‘)’ before ‘<’ token
   42 |  OptionParser(std::span<const OptionDef> _options,
      |              ~         ^
      |                        )
../../src/util/OptionParser.hxx:69:7: error: ‘span’ in namespace ‘std’ does not name a template type
   69 |  std::span<const char *const> GetRemaining() const noexcept {
      |       ^~~~
../../src/util/OptionParser.hxx:36:21: warning: non-static const member ‘const char** const OptionParser::remaining_head’ in class without a constructor [-Wuninitialized]
   36 |  const char **const remaining_head, **remaining_tail;
      |                     ^~~~~~~~~~~~~~
../../src/util/OptionParser.cxx:26:12: error: ‘span’ is not a member of ‘std’
   26 | Shift(std::span<const char *const> &s) noexcept
      |            ^~~~
../../src/util/OptionParser.cxx:26:17: error: expected primary-expression before ‘const’
   26 | Shift(std::span<const char *const> &s) noexcept
      |                 ^~~~~
../../src/util/OptionParser.cxx: In member function ‘const char* OptionParser::CheckShiftValue(const char*, const OptionDef&)’:
../../src/util/OptionParser.cxx:39:6: error: ‘args’ was not declared in this scope
   39 |  if (args.empty())
      |      ^~~~
../../src/util/OptionParser.cxx:42:15: error: ‘args’ was not declared in this scope
   42 |  return Shift(args);
      |               ^~~~
../../src/util/OptionParser.cxx:42:19: error: ‘Shift’ cannot be used as a function
   42 |  return Shift(args);
      |                   ^
../../src/util/OptionParser.cxx: In member function ‘OptionParser::Result OptionParser::IdentifyOption(const char*)’:
../../src/util/OptionParser.cxx:52:24: error: ‘options’ was not declared in this scope
   52 |   for (const auto &i : options) {
      |                        ^~~~~~~
../../src/util/OptionParser.cxx:69:43: error: could not convert ‘{<expression error>, value}’ from ‘<brace-enclosed initializer list>’ to ‘OptionParser::Result’
   69 |    return {int(&i - options.data()), value};
      |                                           ^
      |                                           |
      |                                           <brace-enclosed initializer list>
../../src/util/OptionParser.cxx:73:24: error: ‘options’ was not declared in this scope
   73 |   for (const auto &i : options) {
      |                        ^~~~~~~
../../src/util/OptionParser.cxx:76:44: error: could not convert ‘{<expression error>, value}’ from ‘<brace-enclosed initializer list>’ to ‘OptionParser::Result’
   76 |     return {int(&i - options.data()), value};
      |                                            ^
      |                                            |
      |                                            <brace-enclosed initializer list>
../../src/util/OptionParser.cxx: In member function ‘OptionParser::Result OptionParser::Next()’:
../../src/util/OptionParser.cxx:87:10: error: ‘args’ was not declared in this scope
   87 |  while (!args.empty()) {
      |          ^~~~
../../src/util/OptionParser.cxx:88:31: error: ‘Shift’ cannot be used as a function
   88 |   const char *arg = Shift(args);
      |                               ^
[7/610] Compiling C++ object src/util/libutil.a.p/UriQueryParser.cxx.o
FAILED: src/util/libutil.a.p/UriQueryParser.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/UriQueryParser.cxx.o -MF src/util/libutil.a.p/UriQueryParser.cxx.o.d -o src/util/libutil.a.p/UriQueryParser.cxx.o -c ../../src/util/UriQueryParser.cxx
../../src/util/UriQueryParser.cxx: In function ‘std::string_view UriFindRawQueryParameter(std::string_view, std::string_view)’:
../../src/util/UriQueryParser.cxx:39:9: error: ‘const string_view’ {aka ‘const class std::basic_string_view<char>’} has no member named ‘starts_with’
   39 |   if (i.starts_with(name)) {
      |         ^~~~~~~~~~~
[8/610] Compiling C++ object src/util/libutil.a.p/UriRelative.cxx.o
FAILED: src/util/libutil.a.p/UriRelative.cxx.o 
c++ -Isrc/util/libutil.a.p -Isrc/util -I../../src/util -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/util/libutil.a.p/UriRelative.cxx.o -MF src/util/libutil.a.p/UriRelative.cxx.o.d -o src/util/libutil.a.p/UriRelative.cxx.o -c ../../src/util/UriRelative.cxx
../../src/util/UriRelative.cxx: In function ‘void StripLeadingSlashes(std::string_view&)’:
../../src/util/UriRelative.cxx:106:11: error: ‘using string_view = class std::basic_string_view<char>’ {aka ‘class std::basic_string_view<char>’} has no member named ‘starts_with’
  106 |  while (s.starts_with('/'))
      |           ^~~~~~~~~~~
../../src/util/UriRelative.cxx: In function ‘std::string uri_apply_relative(std::string_view, std::string_view)’:
../../src/util/UriRelative.cxx:183:21: error: ‘using string_view = class std::basic_string_view<char>’ {aka ‘class std::basic_string_view<char>’} has no member named ‘starts_with’
  183 |   if (relative_path.starts_with("../"sv))
      |                     ^~~~~~~~~~~
In file included from ../../src/util/UriRelative.cxx:33:
../../src/util/StringCompare.hxx: In instantiation of ‘bool SkipPrefix(std::basic_string_view<T>&, std::basic_string_view<T>) [with T = char]’:
../../src/util/UriRelative.cxx:130:39:   required from here
../../src/util/StringCompare.hxx:147:24: error: ‘class std::basic_string_view<char>’ has no member named ‘starts_with’
  147 |  bool match = haystack.starts_with(needle);
      |               ~~~~~~~~~^~~~~~~~~~~
[9/610] Compiling C++ object src/io/libio.a.p/BufferedReader.cxx.o
FAILED: src/io/libio.a.p/BufferedReader.cxx.o 
c++ -Isrc/io/libio.a.p -Isrc/io -I../../src/io -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/io/libio.a.p/BufferedReader.cxx.o -MF src/io/libio.a.p/BufferedReader.cxx.o.d -o src/io/libio.a.p/BufferedReader.cxx.o -c ../../src/io/BufferedReader.cxx
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedReader.hxx:32,
                 from ../../src/io/BufferedReader.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:51:21: error: ‘span’ in namespace ‘std’ does not name a template type
   51 |  using Range = std::span<T>;
      |                     ^~~~
../../src/util/ForeignFifoBuffer.hxx:52:27: error: ‘Range’ has not been declared
   52 |  using pointer = typename Range::pointer;
      |                           ^~~~~
../../src/util/ForeignFifoBuffer.hxx:53:33: error: ‘Range’ has not been declared
   53 |  using const_pointer = typename Range::const_pointer;
      |                                 ^~~~~
../../src/util/ForeignFifoBuffer.hxx:151:12: error: ‘Range’ does not name a type
  151 |  constexpr Range Write() noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:195:12: error: ‘Range’ does not name a type
  195 |  constexpr Range Read() const noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:211:27: error: ‘pointer’ has not been declared
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                           ^~~~~~~
../../src/util/ForeignFifoBuffer.hxx:226:31: error: ‘std::span’ has not been declared
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                               ^~~
../../src/util/ForeignFifoBuffer.hxx:226:40: error: expected ‘,’ or ‘...’ before ‘<’ token
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                                        ^
../../src/util/ForeignFifoBuffer.hxx: In member function ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::MoveFrom(int)’:
../../src/util/ForeignFifoBuffer.hxx:227:12: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  227 |   auto w = Write();
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:227:12: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
../../src/util/ForeignFifoBuffer.hxx:229:7: error: ‘src’ was not declared in this scope
  229 |   if (src.size() > w.size() && head > 0) {
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:234:8: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  234 |    w = Write();
      |        ^~~~~
../../src/util/ForeignFifoBuffer.hxx:237:7: error: ‘src’ was not declared in this scope
  237 |   if (src.size() > w.size())
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:240:13: error: ‘src’ was not declared in this scope
  240 |   std::move(src.begin(), src.end(), w.begin());
      |             ^~~
In file included from ../../src/io/BufferedReader.hxx:32,
                 from ../../src/io/BufferedReader.cxx:30:
../../src/util/DynamicFifoBuffer.hxx: At global scope:
../../src/util/DynamicFifoBuffer.hxx:112:14: error: ‘std::span’ has not been declared
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |              ^~~
../../src/util/DynamicFifoBuffer.hxx:112:23: error: expected ‘,’ or ‘...’ before ‘<’ token
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |                       ^
../../src/util/DynamicFifoBuffer.hxx: In member function ‘void DynamicFifoBuffer<T>::Append(int)’:
../../src/util/DynamicFifoBuffer.hxx:113:13: error: ‘src’ was not declared in this scope
  113 |   std::copy(src.begin(), src.end(), Write(src.size()));
      |             ^~~
../../src/util/DynamicFifoBuffer.hxx: In instantiation of ‘class DynamicFifoBuffer<char>’:
../../src/io/BufferedReader.hxx:44:26:   required from here
../../src/util/DynamicFifoBuffer.hxx:44:39: error: ‘pointer’ has not been declared in ‘ForeignFifoBuffer<char>’
   44 |  using typename ForeignFifoBuffer<T>::pointer;
      |                                       ^~~~~~~
../../src/util/DynamicFifoBuffer.hxx:45:39: error: ‘const_pointer’ has not been declared in ‘ForeignFifoBuffer<char>’
   45 |  using typename ForeignFifoBuffer<T>::const_pointer;
      |                                       ^~~~~~~~~~~~~
../../src/util/DynamicFifoBuffer.hxx:46:39: error: ‘Range’ has not been declared in ‘ForeignFifoBuffer<char>’
   46 |  using typename ForeignFifoBuffer<T>::Range;
      |                                       ^~~~~
../../src/util/DynamicFifoBuffer.hxx:73:30: error: ‘Write’ has not been declared in ‘ForeignFifoBuffer<char>’
   73 |  using ForeignFifoBuffer<T>::Write;
      |                              ^~~~~
../../src/util/DynamicFifoBuffer.hxx:104:10: error: no type named ‘pointer’ in ‘class ForeignFifoBuffer<char>’
  104 |  pointer Write(size_type n) noexcept {
      |          ^~~~~
In file included from ../../src/io/BufferedReader.cxx:30:
../../src/io/BufferedReader.hxx: At global scope:
../../src/io/BufferedReader.hxx:67:7: error: ‘span’ in namespace ‘std’ does not name a template type
   67 |  std::span<std::byte> Read() const noexcept {
      |       ^~~~
../../src/io/BufferedReader.hxx:86:29: error: ‘std::span’ has not been declared
   86 |  std::size_t ReadFromBuffer(std::span<std::byte> dest) noexcept;
      |                             ^~~
../../src/io/BufferedReader.hxx:86:38: error: expected ‘,’ or ‘...’ before ‘<’ token
   86 |  std::size_t ReadFromBuffer(std::span<std::byte> dest) noexcept;
      |                                      ^
../../src/io/BufferedReader.hxx:93:16: error: ‘std::span’ has not been declared
   93 |  void ReadFull(std::span<std::byte> dest);
      |                ^~~
../../src/io/BufferedReader.hxx:93:25: error: expected ‘,’ or ‘...’ before ‘<’ token
   93 |  void ReadFull(std::span<std::byte> dest);
      |                         ^
../../src/io/BufferedReader.cxx: In member function ‘bool BufferedReader::Fill(bool)’:
../../src/io/BufferedReader.cxx:44:18: error: ‘class DynamicFifoBuffer<char>’ has no member named ‘Write’
   44 |  auto w = buffer.Write();
      |                  ^~~~~
../../src/io/BufferedReader.cxx:50:14: error: ‘class DynamicFifoBuffer<char>’ has no member named ‘Write’
   50 |   w = buffer.Write();
      |              ^~~~~
../../src/io/BufferedReader.cxx: In member function ‘void* BufferedReader::ReadFull(std::size_t)’:
../../src/io/BufferedReader.cxx:68:12: error: ‘Read’ was not declared in this scope
   68 |   auto r = Read();
      |            ^~~~
../../src/io/BufferedReader.cxx: At global scope:
../../src/io/BufferedReader.cxx:78:1: error: ‘std::size_t BufferedReader::ReadFromBuffer’ is not a static data member of ‘class BufferedReader’
   78 | BufferedReader::ReadFromBuffer(std::span<std::byte> dest) noexcept
      | ^~~~~~~~~~~~~~
../../src/io/BufferedReader.cxx:78:37: error: ‘span’ is not a member of ‘std’
   78 | BufferedReader::ReadFromBuffer(std::span<std::byte> dest) noexcept
      |                                     ^~~~
../../src/io/BufferedReader.cxx:78:51: error: expected primary-expression before ‘>’ token
   78 | BufferedReader::ReadFromBuffer(std::span<std::byte> dest) noexcept
      |                                                   ^
../../src/io/BufferedReader.cxx:78:53: error: ‘dest’ was not declared in this scope
   78 | BufferedReader::ReadFromBuffer(std::span<std::byte> dest) noexcept
      |                                                     ^~~~
../../src/io/BufferedReader.cxx:88:1: error: variable or field ‘ReadFull’ declared void
   88 | BufferedReader::ReadFull(std::span<std::byte> dest)
      | ^~~~~~~~~~~~~~
../../src/io/BufferedReader.cxx:88:31: error: ‘span’ is not a member of ‘std’
   88 | BufferedReader::ReadFull(std::span<std::byte> dest)
      |                               ^~~~
../../src/io/BufferedReader.cxx:88:45: error: expected primary-expression before ‘>’ token
   88 | BufferedReader::ReadFull(std::span<std::byte> dest)
      |                                             ^
../../src/io/BufferedReader.cxx:88:47: error: ‘dest’ was not declared in this scope
   88 | BufferedReader::ReadFull(std::span<std::byte> dest)
      |                                               ^~~~
../../src/io/BufferedReader.cxx: In member function ‘char* BufferedReader::ReadLine()’:
../../src/io/BufferedReader.cxx:115:18: error: ‘class DynamicFifoBuffer<char>’ has no member named ‘Write’
  115 |  auto w = buffer.Write();
      |                  ^~~~~
../../src/io/BufferedReader.cxx:118:14: error: ‘class DynamicFifoBuffer<char>’ has no member named ‘Write’
  118 |   w = buffer.Write();
      |              ^~~~~
../../src/io/BufferedReader.cxx:125:27: error: no matching function for call to ‘DynamicFifoBuffer<char>::Read()’
  125 |  char *line = buffer.Read().data();
      |                           ^
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedReader.hxx:32,
                 from ../../src/io/BufferedReader.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:211:22: note: candidate: ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::Read(int, ForeignFifoBuffer<T>::size_type) [with T = char; ForeignFifoBuffer<T>::size_type = long unsigned int]’
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                      ^~~~
../../src/util/ForeignFifoBuffer.hxx:211:22: note:   candidate expects 2 arguments, 0 provided
In file included from ../../src/io/BufferedReader.cxx:32:
../../src/util/TextFile.hxx: In instantiation of ‘char* ReadBufferedLine(B&) [with B = DynamicFifoBuffer<char>]’:
../../src/io/BufferedReader.cxx:105:39:   required from here
../../src/util/TextFile.hxx:39:22: error: no matching function for call to ‘DynamicFifoBuffer<char>::Read()’
   39 |  auto r = buffer.Read();
      |           ~~~~~~~~~~~^~
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedReader.hxx:32,
                 from ../../src/io/BufferedReader.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:211:22: note: candidate: ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::Read(int, ForeignFifoBuffer<T>::size_type) [with T = char; ForeignFifoBuffer<T>::size_type = long unsigned int]’
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                      ^~~~
../../src/util/ForeignFifoBuffer.hxx:211:22: note:   candidate expects 2 arguments, 0 provided
[11/610] Compiling C++ object src/event/libevent.a.p/BufferedSocket.cxx.o
FAILED: src/event/libevent.a.p/BufferedSocket.cxx.o 
c++ -Isrc/event/libevent.a.p -Isrc/event -I../../src/event -Isrc -I../../src -I. -I../.. -I/usr/include -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -DBOOST_ALL_NO_LIB -MD -MQ src/event/libevent.a.p/BufferedSocket.cxx.o -MF src/event/libevent.a.p/BufferedSocket.cxx.o.d -o src/event/libevent.a.p/BufferedSocket.cxx.o -c ../../src/event/BufferedSocket.cxx
In file included from ../../src/event/BufferedSocket.hxx:24,
                 from ../../src/event/BufferedSocket.cxx:20:
../../src/util/StaticFifoBuffer.hxx:47:21: error: ‘span’ in namespace ‘std’ does not name a template type
   47 |  using Range = std::span<T>;
      |                     ^~~~
../../src/util/StaticFifoBuffer.hxx:88:2: error: ‘Range’ does not name a type
   88 |  Range Write() noexcept {
      |  ^~~~~
../../src/util/StaticFifoBuffer.hxx:117:12: error: ‘Range’ does not name a type
  117 |  constexpr Range Read() noexcept {
      |            ^~~~~
../../src/event/BufferedSocket.cxx: In member function ‘bool BufferedSocket::ReadToBuffer()’:
../../src/event/BufferedSocket.cxx:54:28: error: ‘class StaticFifoBuffer<unsigned char, 8192>’ has no member named ‘Write’
   54 |  const auto buffer = input.Write();
      |                            ^~~~~
../../src/event/BufferedSocket.cxx: In member function ‘bool BufferedSocket::ResumeInput()’:
../../src/event/BufferedSocket.cxx:70:29: error: ‘class StaticFifoBuffer<unsigned char, 8192>’ has no member named ‘Read’; did you mean ‘StaticFifoBuffer<unsigned char, 8192>::size_type StaticFifoBuffer<unsigned char, 8192>::head’? (not accessible from this context)
   70 |   const auto buffer = input.Read();
      |                             ^~~~
In file included from ../../src/event/BufferedSocket.hxx:24,
                 from ../../src/event/BufferedSocket.cxx:20:
../../src/util/StaticFifoBuffer.hxx:50:12: note: declared protected here
   50 |  size_type head = 0, tail = 0;
      |            ^~~~
[12/610] Compiling C++ object src/event/libevent.a.p/FullyBufferedSocket.cxx.o
FAILED: src/event/libevent.a.p/FullyBufferedSocket.cxx.o 
c++ -Isrc/event/libevent.a.p -Isrc/event -I../../src/event -Isrc -I../../src -I. -I../.. -I/usr/include -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -DBOOST_ALL_NO_LIB -MD -MQ src/event/libevent.a.p/FullyBufferedSocket.cxx.o -MF src/event/libevent.a.p/FullyBufferedSocket.cxx.o.d -o src/event/libevent.a.p/FullyBufferedSocket.cxx.o -c ../../src/event/FullyBufferedSocket.cxx
In file included from ../../src/event/BufferedSocket.hxx:24,
                 from ../../src/event/FullyBufferedSocket.hxx:23,
                 from ../../src/event/FullyBufferedSocket.cxx:20:
../../src/util/StaticFifoBuffer.hxx:47:21: error: ‘span’ in namespace ‘std’ does not name a template type
   47 |  using Range = std::span<T>;
      |                     ^~~~
../../src/util/StaticFifoBuffer.hxx:88:2: error: ‘Range’ does not name a type
   88 |  Range Write() noexcept {
      |  ^~~~~
../../src/util/StaticFifoBuffer.hxx:117:12: error: ‘Range’ does not name a type
  117 |  constexpr Range Read() noexcept {
      |            ^~~~~
In file included from ../../src/event/FullyBufferedSocket.hxx:25,
                 from ../../src/event/FullyBufferedSocket.cxx:20:
../../src/util/PeakBuffer.hxx:64:7: error: ‘span’ in namespace ‘std’ does not name a template type
   64 |  std::span<std::byte> Read() const noexcept;
      |       ^~~~
../../src/util/PeakBuffer.hxx:68:14: error: ‘std::span’ has not been declared
   68 |  bool Append(std::span<const std::byte> src);
      |              ^~~
../../src/util/PeakBuffer.hxx:68:23: error: expected ‘,’ or ‘...’ before ‘<’ token
   68 |  bool Append(std::span<const std::byte> src);
      |                       ^
../../src/event/FullyBufferedSocket.cxx: In member function ‘bool FullyBufferedSocket::Flush()’:
../../src/event/FullyBufferedSocket.cxx:54:27: error: ‘class PeakBuffer’ has no member named ‘Read’
   54 |  const auto data = output.Read();
      |                           ^~~~
../../src/event/FullyBufferedSocket.cxx: In member function ‘bool FullyBufferedSocket::Write(const void*, size_t)’:
../../src/event/FullyBufferedSocket.cxx:85:54: error: cannot convert ‘<brace-enclosed initializer list>’ to ‘int’
   85 |  if (!output.Append({(const std::byte *)data, length})) {
      |                                                      ^
In file included from ../../src/event/FullyBufferedSocket.hxx:25,
                 from ../../src/event/FullyBufferedSocket.cxx:20:
../../src/util/PeakBuffer.hxx:68:14: note:   initializing argument 1 of ‘bool PeakBuffer::Append(int)’
   68 |  bool Append(std::span<const std::byte> src);
      |              ^~~~~~~~~
[13/610] Compiling C++ object src/io/libio.a.p/BufferedOutputStream.cxx.o
FAILED: src/io/libio.a.p/BufferedOutputStream.cxx.o 
c++ -Isrc/io/libio.a.p -Isrc/io -I../../src/io -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/io/libio.a.p/BufferedOutputStream.cxx.o -MF src/io/libio.a.p/BufferedOutputStream.cxx.o.d -o src/io/libio.a.p/BufferedOutputStream.cxx.o -c ../../src/io/BufferedOutputStream.cxx
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedOutputStream.hxx:34,
                 from ../../src/io/BufferedOutputStream.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:51:21: error: ‘span’ in namespace ‘std’ does not name a template type
   51 |  using Range = std::span<T>;
      |                     ^~~~
../../src/util/ForeignFifoBuffer.hxx:52:27: error: ‘Range’ has not been declared
   52 |  using pointer = typename Range::pointer;
      |                           ^~~~~
../../src/util/ForeignFifoBuffer.hxx:53:33: error: ‘Range’ has not been declared
   53 |  using const_pointer = typename Range::const_pointer;
      |                                 ^~~~~
../../src/util/ForeignFifoBuffer.hxx:151:12: error: ‘Range’ does not name a type
  151 |  constexpr Range Write() noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:195:12: error: ‘Range’ does not name a type
  195 |  constexpr Range Read() const noexcept {
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:211:27: error: ‘pointer’ has not been declared
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                           ^~~~~~~
../../src/util/ForeignFifoBuffer.hxx:226:31: error: ‘std::span’ has not been declared
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                               ^~~
../../src/util/ForeignFifoBuffer.hxx:226:40: error: expected ‘,’ or ‘...’ before ‘<’ token
  226 |  constexpr size_type MoveFrom(std::span<U> src) noexcept {
      |                                        ^
../../src/util/ForeignFifoBuffer.hxx: In member function ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::MoveFrom(int)’:
../../src/util/ForeignFifoBuffer.hxx:227:12: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  227 |   auto w = Write();
      |            ^~~~~
../../src/util/ForeignFifoBuffer.hxx:227:12: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
../../src/util/ForeignFifoBuffer.hxx:229:7: error: ‘src’ was not declared in this scope
  229 |   if (src.size() > w.size() && head > 0) {
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:234:8: error: there are no arguments to ‘Write’ that depend on a template parameter, so a declaration of ‘Write’ must be available [-fpermissive]
  234 |    w = Write();
      |        ^~~~~
../../src/util/ForeignFifoBuffer.hxx:237:7: error: ‘src’ was not declared in this scope
  237 |   if (src.size() > w.size())
      |       ^~~
../../src/util/ForeignFifoBuffer.hxx:240:13: error: ‘src’ was not declared in this scope
  240 |   std::move(src.begin(), src.end(), w.begin());
      |             ^~~
In file included from ../../src/io/BufferedOutputStream.hxx:34,
                 from ../../src/io/BufferedOutputStream.cxx:30:
../../src/util/DynamicFifoBuffer.hxx: At global scope:
../../src/util/DynamicFifoBuffer.hxx:112:14: error: ‘std::span’ has not been declared
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |              ^~~
../../src/util/DynamicFifoBuffer.hxx:112:23: error: expected ‘,’ or ‘...’ before ‘<’ token
  112 |  void Append(std::span<const std::byte> src) noexcept {
      |                       ^
../../src/util/DynamicFifoBuffer.hxx: In member function ‘void DynamicFifoBuffer<T>::Append(int)’:
../../src/util/DynamicFifoBuffer.hxx:113:13: error: ‘src’ was not declared in this scope
  113 |   std::copy(src.begin(), src.end(), Write(src.size()));
      |             ^~~
../../src/util/DynamicFifoBuffer.hxx: In instantiation of ‘class DynamicFifoBuffer<std::byte>’:
../../src/io/BufferedOutputStream.hxx:61:31:   required from here
../../src/util/DynamicFifoBuffer.hxx:44:39: error: ‘pointer’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   44 |  using typename ForeignFifoBuffer<T>::pointer;
      |                                       ^~~~~~~
../../src/util/DynamicFifoBuffer.hxx:45:39: error: ‘const_pointer’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   45 |  using typename ForeignFifoBuffer<T>::const_pointer;
      |                                       ^~~~~~~~~~~~~
../../src/util/DynamicFifoBuffer.hxx:46:39: error: ‘Range’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   46 |  using typename ForeignFifoBuffer<T>::Range;
      |                                       ^~~~~
../../src/util/DynamicFifoBuffer.hxx:73:30: error: ‘Write’ has not been declared in ‘ForeignFifoBuffer<std::byte>’
   73 |  using ForeignFifoBuffer<T>::Write;
      |                              ^~~~~
../../src/util/DynamicFifoBuffer.hxx:104:10: error: no type named ‘pointer’ in ‘class ForeignFifoBuffer<std::byte>’
  104 |  pointer Write(size_type n) noexcept {
      |          ^~~~~
../../src/io/BufferedOutputStream.cxx: In member function ‘bool BufferedOutputStream::AppendToBuffer(const void*, std::size_t)’:
../../src/io/BufferedOutputStream.cxx:48:18: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
   48 |  auto r = buffer.Write();
      |                  ^~~~~
../../src/io/BufferedOutputStream.cxx: In member function ‘void BufferedOutputStream::Format(const char*, ...)’:
../../src/io/BufferedOutputStream.cxx:84:18: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
   84 |  auto r = buffer.Write();
      |                  ^~~~~
../../src/io/BufferedOutputStream.cxx:87:14: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
   87 |   r = buffer.Write();
      |              ^~~~~
../../src/io/BufferedOutputStream.cxx:102:14: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
  102 |   r = buffer.Write();
      |              ^~~~~
../../src/io/BufferedOutputStream.cxx:108:16: error: ‘class DynamicFifoBuffer<std::byte>’ has no member named ‘Write’
  108 |    r = {buffer.Write(size), size};
      |                ^~~~~
../../src/io/BufferedOutputStream.cxx: In member function ‘void BufferedOutputStream::Flush()’:
../../src/io/BufferedOutputStream.cxx:188:23: error: no matching function for call to ‘DynamicFifoBuffer<std::byte>::Read()’
  188 |  auto r = buffer.Read();
      |                       ^
In file included from ../../src/util/DynamicFifoBuffer.hxx:33,
                 from ../../src/io/BufferedOutputStream.hxx:34,
                 from ../../src/io/BufferedOutputStream.cxx:30:
../../src/util/ForeignFifoBuffer.hxx:211:22: note: candidate: ‘constexpr ForeignFifoBuffer<T>::size_type ForeignFifoBuffer<T>::Read(int, ForeignFifoBuffer<T>::size_type) [with T = std::byte; ForeignFifoBuffer<T>::size_type = long unsigned int]’
  211 |  constexpr size_type Read(pointer p, size_type n) noexcept {
      |                      ^~~~
../../src/util/ForeignFifoBuffer.hxx:211:22: note:   candidate expects 2 arguments, 0 provided
[16/610] Compiling C++ object src/lib/icu/libicu.a.p/Converter.cxx.o
FAILED: src/lib/icu/libicu.a.p/Converter.cxx.o 
c++ -Isrc/lib/icu/libicu.a.p -Isrc/lib/icu -I../../src/lib/icu -Isrc -I../../src -I. -I../.. -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O2 -g -ffast-math -ftree-vectorize -Wcast-qual -Wdouble-promotion -Wmissing-declarations -Wshadow -Wunused -Wvla -Wwrite-strings -Wno-stringop-overflow -fno-threadsafe-statics -fmerge-all-constants -Wextra-semi -Woverloaded-virtual -Wsign-promo -Wvirtual-inheritance -Wno-non-virtual-dtor -Wsuggest-override -fvisibility=hidden -ffunction-sections -fdata-sections -D_GNU_SOURCE -fPIC -MD -MQ src/lib/icu/libicu.a.p/Converter.cxx.o -MF src/lib/icu/libicu.a.p/Converter.cxx.o.d -o src/lib/icu/libicu.a.p/Converter.cxx.o -c ../../src/lib/icu/Converter.cxx
In file included from ../../src/lib/icu/Converter.cxx:33:
../../src/util/AllocatedArray.hxx:42:22: error: ‘span’ in namespace ‘std’ does not name a template type
   42 |  using Buffer = std::span<T>;
      |                      ^~~~
../../src/util/AllocatedArray.hxx:46:29: error: ‘Buffer’ has not been declared
   46 |  using size_type = typename Buffer::size_type;
      |                             ^~~~~~
../../src/util/AllocatedArray.hxx:47:29: error: ‘Buffer’ has not been declared
   47 |  using reference = typename Buffer::reference;
      |                             ^~~~~~
../../src/util/AllocatedArray.hxx:48:35: error: ‘Buffer’ has not been declared
   48 |  using const_reference = typename Buffer::const_reference;
      |                                   ^~~~~~
../../src/util/AllocatedArray.hxx:49:27: error: ‘Buffer’ has not been declared
   49 |  using pointer = typename Buffer::pointer;
      |                           ^~~~~~
../../src/util/AllocatedArray.hxx:50:33: error: ‘Buffer’ has not been declared
   50 |  using const_pointer = typename Buffer::const_pointer;
      |                                 ^~~~~~
../../src/util/AllocatedArray.hxx:51:28: error: ‘Buffer’ has not been declared
   51 |  using iterator = typename Buffer::iterator;
      |                            ^~~~~~
../../src/util/AllocatedArray.hxx:52:34: error: ‘Buffer’ has not been declared
   52 |  using const_iterator = typename Buffer::iterator;
      |                                  ^~~~~~
../../src/util/AllocatedArray.hxx:55:2: error: ‘Buffer’ does not name a type
   55 |  Buffer buffer{};
      |  ^~~~~~
../../src/util/AllocatedArray.hxx:55:17: warning: extra ‘;’ [-Wpedantic]
   55 |  Buffer buffer{};
      |                 ^
      |                 -
../../src/util/AllocatedArray.hxx:60:35: error: expected ‘)’ before ‘_size’
   60 |  explicit AllocatedArray(size_type _size) noexcept
      |                         ~         ^~~~~~
      |                                   )
../../src/util/AllocatedArray.hxx:61:32: error: expected unqualified-id before ‘{’ token
   61 |   :buffer{new T[_size], _size} {}
      |                                ^
../../src/util/AllocatedArray.hxx:63:35: error: expected ‘)’ before ‘<’ token
   63 |  explicit AllocatedArray(std::span<const T> src) noexcept {
      |                         ~         ^
      |                                   )
../../src/util/AllocatedArray.hxx:83:18: error: declaration of ‘operator=’ as non-function
   83 |  AllocatedArray &operator=(std::span<const T> src) noexcept {
      |                  ^~~~~~~~
../../src/util/AllocatedArray.hxx:83:26: error: expected ‘;’ at end of member declaration
   83 |  AllocatedArray &operator=(std::span<const T> src) noexcept {
      |                          ^
      |                           ;
../../src/util/AllocatedArray.hxx:83:37: error: expected ‘)’ before ‘<’ token
   83 |  AllocatedArray &operator=(std::span<const T> src) noexcept {
      |                           ~         ^
      |                                     )
../../src/util/AllocatedArray.hxx:117:16: error: ‘span’ in namespace ‘std’ does not name a template type
  117 |  operator std::span<const T>() const noexcept {
      |                ^~~~
../../src/util/AllocatedArray.hxx:121:16: error: ‘span’ in namespace ‘std’ does not name a template type
  121 |  operator std::span<T>() noexcept {
      |                ^~~~
../../src/util/AllocatedArray.hxx:143:12: error: ‘size_type’ does not name a type; did you mean ‘size_t’?
  143 |  constexpr size_type size() const noexcept {
      |            ^~~~~~~~~
      |            size_t
../../src/util/AllocatedArray.hxx:150:12: error: ‘size_type’ does not name a type; did you mean ‘size_t’?
  150 |  constexpr size_type capacity() const noexcept {
      |            ^~~~~~~~~
      |            size_t
../../src/util/AllocatedArray.hxx:154:2: error: ‘pointer’ does not name a type
  154 |  pointer data() noexcept {
      |  ^~~~~~~
../../src/util/AllocatedArray.hxx:158:2: error: ‘const_pointer’ does not name a type
  158 |  const_pointer data() const noexcept {
      |  ^~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:162:2: error: ‘reference’ does not name a type
  162 |  reference front() noexcept {
      |  ^~~~~~~~~
../../src/util/AllocatedArray.hxx:166:2: error: ‘const_reference’ does not name a type
  166 |  const_reference front() const noexcept {
      |  ^~~~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:170:2: error: ‘reference’ does not name a type
  170 |  reference back() noexcept {
      |  ^~~~~~~~~
../../src/util/AllocatedArray.hxx:174:2: error: ‘const_reference’ does not name a type
  174 |  const_reference back() const noexcept {
      |  ^~~~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:181:2: error: ‘reference’ does not name a type
  181 |  reference operator[](size_type i) noexcept {
      |  ^~~~~~~~~
../../src/util/AllocatedArray.hxx:188:2: error: ‘const_reference’ does not name a type
  188 |  const_reference operator[](size_type i) const noexcept {
      |  ^~~~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:192:2: error: ‘iterator’ does not name a type
  192 |  iterator begin() noexcept {
      |  ^~~~~~~~
../../src/util/AllocatedArray.hxx:196:12: error: ‘const_iterator’ does not name a type
  196 |  constexpr const_iterator begin() const noexcept {
      |            ^~~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:200:2: error: ‘iterator’ does not name a type
  200 |  iterator end() noexcept {
      |  ^~~~~~~~
../../src/util/AllocatedArray.hxx:204:12: error: ‘const_iterator’ does not name a type
  204 |  constexpr const_iterator end() const noexcept {
      |            ^~~~~~~~~~~~~~
../../src/util/AllocatedArray.hxx:211:21: error: ‘size_type’ has not been declared
  211 |  void ResizeDiscard(size_type _size) noexcept {
      |                     ^~~~~~~~~
../../src/util/AllocatedArray.hxx:224:19: error: ‘size_type’ has not been declared
  224 |  void GrowDiscard(size_type _size) noexcept {
      |                   ^~~~~~~~~
../../src/util/AllocatedArray.hxx:233:20: error: ‘size_type’ has not been declared
  233 |  void GrowPreserve(size_type _size, size_type preserve) noexcept {
      |                    ^~~~~~~~~
../../src/util/AllocatedArray.hxx:233:37: error: ‘size_type’ has not been declared
  233 |  void GrowPreserve(size_type _size, size_type preserve) noexcept {
      |                                     ^~~~~~~~~
../../src/util/AllocatedArray.hxx:251:15: error: ‘size_type’ has not been declared
  251 |  void SetSize(size_type _size) noexcept {
      |               ^~~~~~~~~
../../src/util/AllocatedArray.hxx:260:2: error: ‘Buffer’ does not name a type
  260 |  Buffer release() noexcept {
      |  ^~~~~~
../../src/util/AllocatedArray.hxx: In constructor ‘AllocatedArray<T>::AllocatedArray(AllocatedArray<T>&&)’:
../../src/util/AllocatedArray.hxx:77:4: error: class ‘AllocatedArray<T>’ does not have any field named ‘buffer’
   77 |   :buffer(other.release()) {}
      |    ^~~~~~
../../src/util/AllocatedArray.hxx: In destructor ‘AllocatedArray<T>::~AllocatedArray()’:
../../src/util/AllocatedArray.hxx:80:12: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
   80 |   delete[] buffer.data();
      |            ^~~~~~
      |            setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘AllocatedArray<T>& AllocatedArray<T>::operator=(const AllocatedArray<T>&)’:
../../src/util/AllocatedArray.hxx:101:8: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  101 |        buffer.begin());
      |        ^~~~~~
      |        setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘AllocatedArray<T>& AllocatedArray<T>::operator=(AllocatedArray<T>&&)’:
../../src/util/AllocatedArray.hxx:107:8: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  107 |   swap(buffer, other.buffer);
      |        ^~~~~~
      |        setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘AllocatedArray<T>& AllocatedArray<T>::operator=(std::nullptr_t)’:
../../src/util/AllocatedArray.hxx:112:12: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  112 |   delete[] buffer.data();
      |            ^~~~~~
      |            setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘constexpr bool AllocatedArray<T>::operator==(std::nullptr_t) const’:
../../src/util/AllocatedArray.hxx:126:10: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  126 |   return buffer.data() == nullptr;
      |          ^~~~~~
      |          setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘constexpr bool AllocatedArray<T>::operator!=(std::nullptr_t) const’:
../../src/util/AllocatedArray.hxx:130:10: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  130 |   return buffer.data() != nullptr;
      |          ^~~~~~
      |          setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘constexpr bool AllocatedArray<T>::empty() const’:
../../src/util/AllocatedArray.hxx:137:10: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  137 |   return buffer.empty();
      |          ^~~~~~
      |          setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘void AllocatedArray<T>::ResizeDiscard(int)’:
../../src/util/AllocatedArray.hxx:212:16: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  212 |   if (_size == buffer.size())
      |                ^~~~~~
      |                setbuffer
../../src/util/AllocatedArray.hxx:215:12: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  215 |   delete[] buffer.data();
      |            ^~~~~~
      |            setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘void AllocatedArray<T>::GrowDiscard(int)’:
../../src/util/AllocatedArray.hxx:225:15: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  225 |   if (_size > buffer.size())
      |               ^~~~~~
      |               setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘void AllocatedArray<T>::GrowPreserve(int, int)’:
../../src/util/AllocatedArray.hxx:234:16: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  234 |   if (_size <= buffer.size())
      |                ^~~~~~
      |                setbuffer
../../src/util/AllocatedArray.hxx:239:13: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  239 |   std::move(buffer.begin(), std::next(buffer.begin(), preserve),
      |             ^~~~~~
      |             setbuffer
../../src/util/AllocatedArray.hxx: In member function ‘void AllocatedArray<T>::SetSize(int)’:
../../src/util/AllocatedArray.hxx:254:3: error: ‘buffer’ was not declared in this scope; did you mean ‘setbuffer’?
  254 |   buffer = buffer.first(_size);
      |   ^~~~~~
      |   setbuffer
../../src/lib/icu/Converter.cxx: In member function ‘AllocatedString IcuConverter::FromUTF8(std::string_view) const’:
../../src/lib/icu/Converter.cxx:144:26: error: ‘const class AllocatedArray<char16_t>’ has no member named ‘data’
  144 |  const UChar *source = u.data();
      |                          ^~~~
../../src/lib/icu/Converter.cxx:148:16: error: ‘const class AllocatedArray<char16_t>’ has no member named ‘data’
  148 |     &source, u.data() + u.size(),
      |                ^~~~
../../src/lib/icu/Converter.cxx:148:27: error: ‘const class AllocatedArray<char16_t>’ has no member named ‘size’
  148 |     &source, u.data() + u.size(),
      |                           ^~~~
[18/610] Compiling C++ object src/event/libevent.a.p/ServerSocket.cxx.o
ninja: build stopped: subcommand failed.

JCruk Aug 8, 2022
Author

These are my configure results

$ meson configure output/release
Core properties:
  Source dir /Storage/Software/MPD/MAIN-V2/MPD
  Build dir  /Storage/Software/MPD/MAIN-V2/MPD/output/release

Main project options:
  
  Core options                               Current Value                                Possible Values                              Description
  ------------                               -------------                                ---------------                              -----------
  auto_features                              auto                                         [enabled, disabled, auto]                    Override value of all 'auto' features
  backend                                    ninja                                        [ninja, vs, vs2010, vs2012, vs2013, vs2015,  Backend to use
                                                                                          vs2017, vs2019,                              
                                                                                           vs2022, xcode]                              
  buildtype                                  debugoptimized                               [plain, debug, debugoptimized, release,      Build type to use
                                                                                          minsize, custom]                             
  cmake_prefix_path                          []                                                                                        List of additional prefixes for cmake to search
  debug                                      true                                         [true, false]                                Debug
  default_library                            shared                                       [shared, static, both]                       Default library type
  force_fallback_for                         []                                                                                        Force fallback for those subprojects
  install_umask                              0022                                         [preserve, 0000-0777]                        Default umask to apply on permissions of installed files
  layout                                     mirror                                       [mirror, flat]                               Build directory layout
  optimization                               2                                            [0, g, 1, 2, 3, s]                           Optimization level
  pkg_config_path                            []                                                                                        List of additional paths for pkg-config to search
  strip                                      false                                        [true, false]                                Strip targets on install
  unity                                      off                                          [on, off, subprojects]                       Unity build
  unity_size                                 4                                            >=2                                          Unity block size
  warning_level                              3                                            [0, 1, 2, 3]                                 Compiler warning level to use
  werror                                     false                                        [true, false]                                Treat warnings as errors
  wrap_mode                                  default                                      [default, nofallback, nodownload,            Wrap mode
                                                                                          forcefallback, nopromote]                    
  
  Backend options                            Current Value                                Possible Values                              Description
  ---------------                            -------------                                ---------------                              -----------
  backend_max_links                          0                                            >=0                                          Maximum number of linker processes to run or 0 for no limit
  
  Base options                               Current Value                                Possible Values                              Description
  ------------                               -------------                                ---------------                              -----------
  b_asneeded                                 true                                         [true, false]                                Use -Wl,--as-needed when linking
  b_colorout                                 always                                       [auto, always, never]                        Use colored output
  b_coverage                                 false                                        [true, false]                                Enable coverage tracking.
  b_lto                                      false                                        [true, false]                                Use link time optimization
  b_lto_threads                              0                                                                                         Use multiple threads for Link Time Optimization
  b_lundef                                   true                                         [true, false]                                Use -Wl,--no-undefined when linking
  b_ndebug                                   true                                         [true, false, if-release]                    Disable asserts
  b_pch                                      true                                         [true, false]                                Use precompiled headers
  b_pgo                                      off                                          [off, generate, use]                         Use profile guided optimization
  b_pie                                      false                                        [true, false]                                Build executables as position independent
  b_sanitize                                 none                                         [none, address, thread, undefined, memory,   Code sanitizer to use
                                                                                          address,undefined]                           
  b_staticpic                                true                                         [true, false]                                Build static libraries as position independent
  
  Compiler options                           Current Value                                Possible Values                              Description
  ----------------                           -------------                                ---------------                              -----------
  c_args                                     []                                                                                        Extra arguments passed to the c compiler
  c_link_args                                []                                                                                        Extra arguments passed to the c linker
  c_std                                      c11                                          [none, c89, c99, c11, c17, c18, c2x, gnu89,  C language standard to use
                                                                                          gnu99, gnu11,                                
                                                                                           gnu17, gnu18, gnu2x]                        
  cpp_args                                   []                                                                                        Extra arguments passed to the cpp compiler
  cpp_debugstl                               false                                        [true, false]                                STL debug mode
  cpp_eh                                     default                                      [none, default, a, s, sc]                    C++ exception handling type.
  cpp_link_args                              []                                                                                        Extra arguments passed to the cpp linker
  cpp_rtti                                   true                                         [true, false]                                Enable RTTI
  cpp_std                                    c++2a                                        [none, c++98, c++03, c++11, c++14, c++17,    C++ language standard to use
                                                                                          c++1z, c++2a, c++20,                         
                                                                                           gnu++03, gnu++11, gnu++14, gnu++17,         
                                                                                          gnu++1z, gnu++2a,                            
                                                                                           gnu++20]                                    
  
  Directories                                Current Value                                Possible Values                              Description
  -----------                                -------------                                ---------------                              -----------
  bindir                                     bin                                                                                       Executable directory
  datadir                                    share                                                                                     Data file directory
  includedir                                 include                                                                                   Header file directory
  infodir                                    share/info                                                                                Info page directory
  libdir                                     lib/x86_64-linux-gnu                                                                      Library directory
  libexecdir                                 libexec                                                                                   Library executable directory
  localedir                                  share/locale                                                                              Locale data directory
  localstatedir                              /var/local                                                                                Localstate data directory
  mandir                                     share/man                                                                                 Manual page directory
  prefix                                     /usr/local                                                                                Installation prefix
  sbindir                                    sbin                                                                                      System executable directory
  sharedstatedir                             /var/local/lib                                                                            Architecture-independent data directory
  sysconfdir                                 etc                                                                                       Sysconf data directory
  
  Testing options                            Current Value                                Possible Values                              Description
  ---------------                            -------------                                ---------------                              -----------
  errorlogs                                  true                                         [true, false]                                Whether to print the logs from failing tests
  stdsplit                                   true                                         [true, false]                                Split stdout and stderr in test logs
  
  Project options                            Current Value                                Possible Values                              Description
  ---------------                            -------------                                ---------------                              -----------
  adplug                                     auto                                         [enabled, disabled, auto]                    AdPlug decoder plugin
  alsa                                       auto                                         [enabled, disabled, auto]                    ALSA support
  android_abi                                armeabi-v7a                                                                               The Android ABI to be built
  android_debug_keystore                                                                                                               The keystore file used to sign debug APK files
  android_keyalias                                                                                                                     The key alias used to sign APK files
  android_keypass                                                                                                                      The password of the keystore used to sign APK files
  android_keystore                                                                                                                     The keystore file used to sign APK files
  android_ndk                                                                                                                          The path where Android NDK is installed
  android_sdk                                                                                                                          The path where Android SDK is installed
  android_strip                              strip                                                                                     The "strip" tool from the NDK
  ao                                         auto                                         [enabled, disabled, auto]                    libao output plugin
  audiofile                                  auto                                         [enabled, disabled, auto]                    libaudiofile decoder plugin
  bzip2                                      auto                                         [enabled, disabled, auto]                    bzip2 support using libbz2
  cdio_paranoia                              auto                                         [enabled, disabled, auto]                    libcdio_paranoia input plugin
  chromaprint                                auto                                         [enabled, disabled, auto]                    ChromaPrint / AcoustID support
  cue                                        true                                         [true, false]                                CUE sheet support
  curl                                       auto                                         [enabled, disabled, auto]                    HTTP client using CURL
  daemon                                     true                                         [true, false]                                enable daemonization
  database                                   true                                         [true, false]                                enable support for the music database
  dbus                                       auto                                         [enabled, disabled, auto]                    D-Bus support
  documentation                              auto                                         [enabled, disabled, auto]                    Build documentation
  doxygen                                    false                                        [true, false]                                Build doxygen source documentation
  dsd                                        true                                         [true, false]                                Support the DSD audio format
  epoll                                      true                                         [true, false]                                Use epoll on Linux
  eventfd                                    true                                         [true, false]                                Use eventfd() on Linux
  expat                                      auto                                         [enabled, disabled, auto]                    Expat XML support
  faad                                       auto                                         [enabled, disabled, auto]                    AAC decoder using libfaad
  ffmpeg                                     auto                                         [enabled, disabled, auto]                    FFmpeg codec support
  fifo                                       true                                         [true, false]                                FIFO output plugin
  flac                                       auto                                         [enabled, disabled, auto]                    FLAC decoder plugin
  fluidsynth                                 auto                                         [enabled, disabled, auto]                    fluidsynth MIDI decoder plugin
  fuzzer                                     false                                        [true, false]                                Build fuzzers (requires libFuzzer)
  gme                                        auto                                         [enabled, disabled, auto]                    Game Music Emulator decoder plugin
  html_manual                                true                                         [true, false]                                Build the HTML manual
  httpd                                      true                                         [true, false]                                HTTP streaming output plugin
  iconv                                      auto                                         [enabled, disabled, auto]                    Use iconv() for character set conversion
  icu                                        auto                                         [enabled, disabled, auto]                    Use libicu for Unicode
  id3tag                                     auto                                         [enabled, disabled, auto]                    ID3 support using libid3tag
  inotify                                    true                                         [true, false]                                inotify support (for automatic database update)
  io_uring                                   auto                                         [enabled, disabled, auto]                    Linux io_uring support using liburing
  ipv6                                       auto                                         [enabled, disabled, auto]                    Support for IPv6
  iso9660                                    auto                                         [enabled, disabled, auto]                    ISO9660 support using libiso9660
  jack                                       auto                                         [enabled, disabled, auto]                    JACK output plugin
  lame                                       auto                                         [enabled, disabled, auto]                    LAME MP3 encoder plugin
  libmpdclient                               auto                                         [enabled, disabled, auto]                    libmpdclient support (for the proxy database plugin)
  libsamplerate                              auto                                         [enabled, disabled, auto]                    libsamplerate resampler
  local_socket                               true                                         [true, false]                                Support for clients connecting via local sockets
  mad                                        auto                                         [enabled, disabled, auto]                    MP3 decoder using libmad
  manpages                                   true                                         [true, false]                                Build manual pages
  mikmod                                     auto                                         [enabled, disabled, auto]                    MikMod decoder plugin
  mms                                        auto                                         [enabled, disabled, auto]                    MMS protocol support using libmms
  modplug                                    auto                                         [enabled, disabled, auto]                    Modplug decoder plugin
  mpcdec                                     auto                                         [enabled, disabled, auto]                    Musepack decoder plugin
  mpg123                                     auto                                         [enabled, disabled, auto]                    MP3 decoder using libmpg123
  neighbor                                   true                                         [true, false]                                enable support for neighbor discovery
  nfs                                        auto                                         [enabled, disabled, auto]                    NFS protocol support using libnfs
  openal                                     auto                                         [enabled, disabled, auto]                    OpenAL output plugin
  openmpt                                    auto                                         [enabled, disabled, auto]                    OpenMPT decoder plugin
  opus                                       auto                                         [enabled, disabled, auto]                    Opus decoder plugin
  oss                                        auto                                         [enabled, disabled, auto]                    Open Sound System support
  pcre                                       auto                                         [enabled, disabled, auto]                    Enable regular expression support (using libpcre)
  pipe                                       true                                         [true, false]                                Pipe output plugin
  pipewire                                   auto                                         [enabled, disabled, auto]                    PipeWire support
  pulse                                      auto                                         [enabled, disabled, auto]                    PulseAudio support
  qobuz                                      auto                                         [enabled, disabled, auto]                    Qobuz client
  recorder                                   true                                         [true, false]                                Recorder output plugin
  shine                                      auto                                         [enabled, disabled, auto]                    shine MP3 encoder plugin
  shout                                      auto                                         [enabled, disabled, auto]                    Shoutcast streaming support using libshout
  sidplay                                    auto                                         [enabled, disabled, auto]                    C64 SID support via libsidplayfp or libsidplay2
  signalfd                                   true                                         [true, false]                                Use signalfd() on Linux
  smbclient                                  disabled                                     [enabled, disabled, auto]                    SMB support using libsmbclient
  snapcast                                   true                                         [true, false]                                Snapcast output plugin
  sndfile                                    auto                                         [enabled, disabled, auto]                    libsndfile decoder plugin
  sndio                                      auto                                         [enabled, disabled, auto]                    sndio output plugin
  solaris_output                             auto                                         [enabled, disabled, auto]                    Solaris /dev/audio support
  soundcloud                                 auto                                         [enabled, disabled, auto]                    SoundCloud client
  soxr                                       auto                                         [enabled, disabled, auto]                    libsoxr resampler
  sqlite                                     auto                                         [enabled, disabled, auto]                    SQLite database support (for stickers)
  syslog                                     auto                                         [enabled, disabled, auto]                    syslog support
  systemd                                    auto                                         [enabled, disabled, auto]                    systemd support
  systemd_system_unit_dir                                                                                                              systemd system service directory
  systemd_user_unit_dir                                                                                                                systemd user service directory
  tcp                                        true                                         [true, false]                                Support for clients connecting via TCP
  test                                       false                                        [true, false]                                Build the unit tests and debug programs
  tremor                                     auto                                         [enabled, disabled, auto]                    Fixed-point vorbis decoder plugin
  twolame                                    auto                                         [enabled, disabled, auto]                    TwoLAME MP2 encoder plugin
  udisks                                     auto                                         [enabled, disabled, auto]                    Support for removable media using udisks2
  upnp                                       auto                                         [auto, pupnp, npupnp, disabled]              UPnP client support
  vorbis                                     auto                                         [enabled, disabled, auto]                    Vorbis decoder plugin
  vorbisenc                                  auto                                         [enabled, disabled, auto]                    Vorbis encoder plugin
  wave_encoder                               true                                         [true, false]                                PCM wave encoder encoder plugin
  wavpack                                    auto                                         [enabled, disabled, auto]                    WavPack decoder plugin
  webdav                                     auto                                         [enabled, disabled, auto]                    WebDAV support using CURL and Expat
  wildmidi                                   auto                                         [enabled, disabled, auto]                    WildMidi decoder plugin
  yajl                                       auto                                         [enabled, disabled, auto]                    libyajl for YAML support
  zeroconf                                   auto                                         [auto, avahi, bonjour, disabled]             Zeroconf support
  zlib                                       auto                                         [enabled, disabled, auto]                    zlib support (for database compression)
  zzip                                       auto                                         [enabled, disabled, auto]                    ZIP support using zziplib

MaxKellermann Aug 8, 2022
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Build of latest Github version failing (subcommand failed) #1587

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Build of latest Github version failing (subcommand failed) #1587

JCruk Aug 8, 2022

Replies: 1 comment · 3 replies

MaxKellermann Aug 8, 2022 Maintainer

JCruk Aug 8, 2022 Author

JCruk Aug 8, 2022 Author

MaxKellermann Aug 8, 2022 Maintainer

JCruk
Aug 8, 2022

Replies: 1 comment 3 replies

MaxKellermann
Aug 8, 2022
Maintainer

JCruk Aug 8, 2022
Author

JCruk Aug 8, 2022
Author

MaxKellermann Aug 8, 2022
Maintainer