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configure.in
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dnl Process this file with autoconf to produce a configure script.
dnl configure.in
dnl
dnl Developers, please strive to achieve this order:
dnl
dnl 0. Initialization and options processing
dnl 1. Programs
dnl 2. Libraries
dnl 3. Header files
dnl 4. Types
dnl 5. Structures
dnl 6. Compiler characteristics
dnl 7. Functions, global variables
dnl 8. System services
dnl
dnl Read the Autoconf manual for details.
dnl
m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
AC_INIT([PostgreSQL], [12.0], [pgsql-bugs@lists.postgresql.org])
m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
Untested combinations of 'autoconf' and PostgreSQL versions are not
recommended. You can remove the check from 'configure.in' but it is then
your responsibility whether the result works or not.])])
AC_COPYRIGHT([Copyright (c) 1996-2019, PostgreSQL Global Development Group])
AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
AC_CONFIG_AUX_DIR(config)
AC_PREFIX_DEFAULT(/usr/local/pgsql)
AC_SUBST(configure_args, [$ac_configure_args])
[PG_MAJORVERSION=`expr "$PACKAGE_VERSION" : '\([0-9][0-9]*\)'`]
AC_SUBST(PG_MAJORVERSION)
AC_DEFINE_UNQUOTED(PG_MAJORVERSION, "$PG_MAJORVERSION", [PostgreSQL major version as a string])
PGAC_ARG_REQ(with, extra-version, [STRING], [append STRING to version],
[PG_VERSION="$PACKAGE_VERSION$withval"],
[PG_VERSION="$PACKAGE_VERSION"])
AC_DEFINE_UNQUOTED(PG_VERSION, "$PG_VERSION", [PostgreSQL version as a string])
AC_CANONICAL_HOST
template=
AC_MSG_CHECKING([which template to use])
PGAC_ARG_REQ(with, template, [NAME], [override operating system template],
[
case $withval in
list) echo; ls "$srcdir/src/template"; exit;;
*) if test -f "$srcdir/src/template/$with_template" ; then
template=$withval
else
AC_MSG_ERROR(['$withval' is not a valid template name. Use 'list' for a list.])
fi;;
esac
],
[
# --with-template not given
case $host_os in
aix*) template=aix ;;
cygwin*) template=cygwin ;;
darwin*) template=darwin ;;
dragonfly*) template=netbsd ;;
freebsd*) template=freebsd ;;
hpux*) template=hpux ;;
linux*|gnu*|k*bsd*-gnu)
template=linux ;;
mingw*) template=win32 ;;
netbsd*) template=netbsd ;;
openbsd*) template=openbsd ;;
solaris*) template=solaris ;;
esac
if test x"$template" = x"" ; then
AC_MSG_ERROR([[
*******************************************************************
PostgreSQL has apparently not been ported to your platform yet.
To try a manual configuration, look into the src/template directory
for a similar platform and use the '--with-template=' option.
Please also contact <pgsql-bugs@lists.postgresql.org> to see about
rectifying this. Include the above 'checking host system type...'
line.
*******************************************************************
]])
fi
])
AC_MSG_RESULT([$template])
PORTNAME=$template
AC_SUBST(PORTNAME)
# Initialize default assumption that we do not need separate assembly code
# for TAS (test-and-set). This can be overridden by the template file
# when it's executed.
need_tas=no
tas_file=dummy.s
##
## Command line options
##
#
# Add non-standard directories to the include path
#
PGAC_ARG_REQ(with, includes, [DIRS], [look for additional header files in DIRS])
#
# Add non-standard directories to the library search path
#
PGAC_ARG_REQ(with, libraries, [DIRS], [look for additional libraries in DIRS],
[LIBRARY_DIRS=$withval])
PGAC_ARG_REQ(with, libs, [DIRS], [alternative spelling of --with-libraries],
[LIBRARY_DIRS=$withval])
#
# 64-bit integer date/time storage is now the only option, but to avoid
# unnecessary breakage of build scripts, continue to accept an explicit
# "--enable-integer-datetimes" switch.
#
PGAC_ARG_BOOL(enable, integer-datetimes, yes, [obsolete option, no longer supported],
[],
[AC_MSG_ERROR([--disable-integer-datetimes is no longer supported])])
#
# NLS
#
AC_MSG_CHECKING([whether NLS is wanted])
PGAC_ARG_OPTARG(enable, nls,
[LANGUAGES], [enable Native Language Support],
[],
[WANTED_LANGUAGES=$enableval],
[AC_DEFINE(ENABLE_NLS, 1,
[Define to 1 if you want National Language Support. (--enable-nls)])])
AC_MSG_RESULT([$enable_nls])
AC_SUBST(enable_nls)
AC_SUBST(WANTED_LANGUAGES)
#
# Default port number (--with-pgport), default 5432
#
AC_MSG_CHECKING([for default port number])
PGAC_ARG_REQ(with, pgport, [PORTNUM], [set default port number [5432]],
[default_port=$withval],
[default_port=5432])
AC_MSG_RESULT([$default_port])
# Need both of these because some places want an integer and some a string
AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
[Define to the default TCP port number on which the server listens and
to which clients will try to connect. This can be overridden at run-time,
but it's convenient if your clients have the right default compiled in.
(--with-pgport=PORTNUM)])
AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
[Define to the default TCP port number as a string constant.])
AC_SUBST(default_port)
# It's worth validating port; you can get very confusing errors otherwise
if test x"$default_port" = x""; then
AC_MSG_ERROR([invalid --with-pgport specification: empty string])
elif test ! x`echo "$default_port" | sed -e 's/[[0-9]]*//'` = x""; then
AC_MSG_ERROR([invalid --with-pgport specification: must be a number])
elif test ! x`echo "$default_port" | sed -e 's/^0.//'` = x"$default_port"; then
AC_MSG_ERROR([invalid --with-pgport specification: must not have leading 0])
elif test "$default_port" -lt "1" -o "$default_port" -gt "65535"; then
AC_MSG_ERROR([invalid --with-pgport specification: must be between 1 and 65535])
fi
#
# '-rpath'-like feature can be disabled
#
PGAC_ARG_BOOL(enable, rpath, yes,
[do not embed shared library search path in executables])
AC_SUBST(enable_rpath)
#
# Spinlocks
#
PGAC_ARG_BOOL(enable, spinlocks, yes,
[do not use spinlocks])
#
# Atomic operations
#
PGAC_ARG_BOOL(enable, atomics, yes,
[do not use atomic operations])
#
# --enable-debug adds -g to compiler flags
#
PGAC_ARG_BOOL(enable, debug, no,
[build with debugging symbols (-g)])
AC_SUBST(enable_debug)
#
# --enable-profiling enables gcc profiling
#
PGAC_ARG_BOOL(enable, profiling, no,
[build with profiling enabled ])
#
# --enable-coverage enables generation of code coverage metrics with gcov
#
PGAC_ARG_BOOL(enable, coverage, no,
[build with coverage testing instrumentation],
[PGAC_PATH_PROGS(GCOV, gcov)
if test -z "$GCOV"; then
AC_MSG_ERROR([gcov not found])
fi
PGAC_PATH_PROGS(LCOV, lcov)
if test -z "$LCOV"; then
AC_MSG_ERROR([lcov not found])
fi
PGAC_PATH_PROGS(GENHTML, genhtml)
if test -z "$GENHTML"; then
AC_MSG_ERROR([genhtml not found])
fi])
AC_SUBST(enable_coverage)
#
# DTrace
#
PGAC_ARG_BOOL(enable, dtrace, no,
[build with DTrace support],
[PGAC_PATH_PROGS(DTRACE, dtrace)
if test -z "$DTRACE"; then
AC_MSG_ERROR([dtrace not found])
fi
AC_SUBST(DTRACEFLAGS)])
AC_SUBST(enable_dtrace)
#
# TAP tests
#
PGAC_ARG_BOOL(enable, tap-tests, no,
[enable TAP tests (requires Perl and IPC::Run)])
AC_SUBST(enable_tap_tests)
#
# Block size
#
AC_MSG_CHECKING([for block size])
PGAC_ARG_REQ(with, blocksize, [BLOCKSIZE], [set table block size in kB [8]],
[blocksize=$withval],
[blocksize=8])
case ${blocksize} in
1) BLCKSZ=1024;;
2) BLCKSZ=2048;;
4) BLCKSZ=4096;;
8) BLCKSZ=8192;;
16) BLCKSZ=16384;;
32) BLCKSZ=32768;;
*) AC_MSG_ERROR([Invalid block size. Allowed values are 1,2,4,8,16,32.])
esac
AC_MSG_RESULT([${blocksize}kB])
AC_DEFINE_UNQUOTED([BLCKSZ], ${BLCKSZ}, [
Size of a disk block --- this also limits the size of a tuple. You
can set it bigger if you need bigger tuples (although TOAST should
reduce the need to have large tuples, since fields can be spread
across multiple tuples).
BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ
is currently 2^15 (32768). This is determined by the 15-bit widths
of the lp_off and lp_len fields in ItemIdData (see
include/storage/itemid.h).
Changing BLCKSZ requires an initdb.
])
#
# Relation segment size
#
AC_MSG_CHECKING([for segment size])
PGAC_ARG_REQ(with, segsize, [SEGSIZE], [set table segment size in GB [1]],
[segsize=$withval],
[segsize=1])
# this expression is set up to avoid unnecessary integer overflow
# blocksize is already guaranteed to be a factor of 1024
RELSEG_SIZE=`expr '(' 1024 / ${blocksize} ')' '*' ${segsize} '*' 1024`
test $? -eq 0 || exit 1
AC_MSG_RESULT([${segsize}GB])
AC_DEFINE_UNQUOTED([RELSEG_SIZE], ${RELSEG_SIZE}, [
RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
relations bigger than that are divided into multiple files.
RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file size.
This is often 2 GB or 4GB in a 32-bit operating system, unless you
have large file support enabled. By default, we make the limit 1 GB
to avoid any possible integer-overflow problems within the OS.
A limit smaller than necessary only means we divide a large
relation into more chunks than necessary, so it seems best to err
in the direction of a small limit.
A power-of-2 value is recommended to save a few cycles in md.c,
but is not absolutely required.
Changing RELSEG_SIZE requires an initdb.
])
#
# WAL block size
#
AC_MSG_CHECKING([for WAL block size])
PGAC_ARG_REQ(with, wal-blocksize, [BLOCKSIZE], [set WAL block size in kB [8]],
[wal_blocksize=$withval],
[wal_blocksize=8])
case ${wal_blocksize} in
1) XLOG_BLCKSZ=1024;;
2) XLOG_BLCKSZ=2048;;
4) XLOG_BLCKSZ=4096;;
8) XLOG_BLCKSZ=8192;;
16) XLOG_BLCKSZ=16384;;
32) XLOG_BLCKSZ=32768;;
64) XLOG_BLCKSZ=65536;;
*) AC_MSG_ERROR([Invalid WAL block size. Allowed values are 1,2,4,8,16,32,64.])
esac
AC_MSG_RESULT([${wal_blocksize}kB])
AC_DEFINE_UNQUOTED([XLOG_BLCKSZ], ${XLOG_BLCKSZ}, [
Size of a WAL file block. This need have no particular relation to BLCKSZ.
XLOG_BLCKSZ must be a power of 2, and if your system supports O_DIRECT I/O,
XLOG_BLCKSZ must be a multiple of the alignment requirement for direct-I/O
buffers, else direct I/O may fail.
Changing XLOG_BLCKSZ requires an initdb.
])
#
# C compiler
#
# For historical reasons you can also use --with-CC to specify the C compiler
# to use, although the standard way to do this is to set the CC environment
# variable.
PGAC_ARG_REQ(with, CC, [CMD], [set compiler (deprecated)], [CC=$with_CC])
case $template in
aix) pgac_cc_list="gcc xlc"; pgac_cxx_list="g++ xlC";;
*) pgac_cc_list="gcc cc"; pgac_cxx_list="g++ c++";;
esac
AC_PROG_CC([$pgac_cc_list])
AC_PROG_CC_C99()
# Error out if the compiler does not support C99, as the codebase
# relies on that.
if test "$ac_cv_prog_cc_c99" = no; then
AC_MSG_ERROR([C compiler "$CC" does not support C99])
fi
AC_PROG_CXX([$pgac_cxx_list])
# Check if it's Intel's compiler, which (usually) pretends to be gcc,
# but has idiosyncrasies of its own. We assume icc will define
# __INTEL_COMPILER regardless of CFLAGS.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
choke me
@%:@endif])], [ICC=yes], [ICC=no])
# Check if it's Sun Studio compiler. We assume that
# __SUNPRO_C will be defined for Sun Studio compilers
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
choke me
@%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
AC_SUBST(SUN_STUDIO_CC)
#
# LLVM
#
# Checked early because subsequent tests depend on it.
PGAC_ARG_BOOL(with, llvm, no, [build with LLVM based JIT support],
[AC_DEFINE([USE_LLVM], 1, [Define to 1 to build with LLVM based JIT support. (--with-llvm)])])
AC_SUBST(with_llvm)
dnl must use AS_IF here, else AC_REQUIRES inside PGAC_LLVM_SUPPORT malfunctions
AS_IF([test "$with_llvm" = yes], [
PGAC_LLVM_SUPPORT()
]) # fi
unset CFLAGS
unset CXXFLAGS
#
# Read the template
#
. "$srcdir/src/template/$template" || exit
# C[XX]FLAGS are selected so:
# If the user specifies something in the environment, that is used.
# else: If the template file set something, that is used.
# else: If coverage was enabled, don't set anything.
# else: If the compiler is GCC, then we use -O2.
# else: If the compiler is something else, then we use -O, unless debugging.
if test "$ac_env_CFLAGS_set" = set; then
CFLAGS=$ac_env_CFLAGS_value
elif test "${CFLAGS+set}" = set; then
: # (keep what template set)
elif test "$enable_coverage" = yes; then
: # no optimization by default
elif test "$GCC" = yes; then
CFLAGS="-O2"
else
# if the user selected debug mode, don't use -O
if test "$enable_debug" != yes; then
CFLAGS="-O"
fi
fi
if test "$ac_env_CXXFLAGS_set" = set; then
CXXFLAGS=$ac_env_CXXFLAGS_value
elif test "${CXXFLAGS+set}" = set; then
: # (keep what template set)
elif test "$enable_coverage" = yes; then
: # no optimization by default
elif test "$GCC" = yes; then
CXXFLAGS="-O2"
else
# if the user selected debug mode, don't use -O
if test "$enable_debug" != yes; then
CXXFLAGS="-O"
fi
fi
# When generating bitcode (for inlining) we always want to use -O2
# even when --enable-debug is specified. The bitcode it's not going to
# be used for line-by-line debugging, and JIT inlining doesn't work
# without at least -O1 (otherwise clang will emit 'noinline'
# attributes everywhere), which is bad for testing. Still allow the
# environment to override if done explicitly.
if test "$ac_env_BITCODE_CFLAGS_set" = set; then
BITCODE_CFLAGS=$ac_env_BITCODE_CFLAGS_value
else
BITCODE_CFLAGS="-O2 $BITCODE_CFLAGS"
fi
if test "$ac_env_BITCODE_CXXFLAGS_set" = set; then
BITCODE_CXXFLAGS=$ac_env_BITCODE_CXXFLAGS_value
else
BITCODE_CXXFLAGS="-O2 $BITCODE_CXXFLAGS"
fi
# C[XX]FLAGS we determined above will be added back at the end
user_CFLAGS=$CFLAGS
CFLAGS=""
user_CXXFLAGS=$CXXFLAGS
CXXFLAGS=""
user_BITCODE_CFLAGS=$BITCODE_CFLAGS
BITCODE_CFLAGS=""
user_BITCODE_CXXFLAGS=$BITCODE_CXXFLAGS
BITCODE_CXXFLAGS=""
# set CFLAGS_VECTOR from the environment, if available
if test "$ac_env_CFLAGS_VECTOR_set" = set; then
CFLAGS_VECTOR=$ac_env_CFLAGS_VECTOR_value
fi
# Some versions of GCC support some additional useful warning flags.
# Check whether they are supported, and add them to CFLAGS if so.
# ICC pretends to be GCC but it's lying; it doesn't support these flags,
# but has its own. Also check other compiler-specific flags here.
if test "$GCC" = yes -a "$ICC" = no; then
CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
CXXFLAGS="-Wall -Wpointer-arith"
# These work in some but not all gcc versions
save_CFLAGS=$CFLAGS
PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
# -Wdeclaration-after-statement isn't applicable for C++. Specific C files
# disable it, so AC_SUBST the negative form.
PERMIT_DECLARATION_AFTER_STATEMENT=
if test x"$save_CFLAGS" != x"$CFLAGS"; then
PERMIT_DECLARATION_AFTER_STATEMENT=-Wno-declaration-after-statement
fi
AC_SUBST(PERMIT_DECLARATION_AFTER_STATEMENT)
# Really don't want VLAs to be used in our dialect of C
PGAC_PROG_CC_CFLAGS_OPT([-Werror=vla])
# -Wvla is not applicable for C++
PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
PGAC_PROG_CXX_CFLAGS_OPT([-Wendif-labels])
PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
PGAC_PROG_CXX_CFLAGS_OPT([-Wmissing-format-attribute])
# This was included in -Wall/-Wformat in older GCC versions
PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
PGAC_PROG_CXX_CFLAGS_OPT([-Wformat-security])
# Disable strict-aliasing rules; needed for gcc 3.3+
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
PGAC_PROG_CXX_CFLAGS_OPT([-fno-strict-aliasing])
# Disable optimizations that assume no overflow; needed for gcc 4.3+
PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
PGAC_PROG_CXX_CFLAGS_OPT([-fwrapv])
# Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
PGAC_PROG_CXX_CFLAGS_OPT([-fexcess-precision=standard])
# Optimization flags for specific files that benefit from vectorization
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
# We want to suppress clang's unhelpful unused-command-line-argument warnings
# but gcc won't complain about unrecognized -Wno-foo switches, so we have to
# test for the positive form and if that works, add the negative form
NOT_THE_CFLAGS=""
PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wunused-command-line-argument])
if test -n "$NOT_THE_CFLAGS"; then
CFLAGS="$CFLAGS -Wno-unused-command-line-argument"
fi
# Similarly disable useless truncation warnings from gcc 8+
NOT_THE_CFLAGS=""
PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wformat-truncation])
if test -n "$NOT_THE_CFLAGS"; then
CFLAGS="$CFLAGS -Wno-format-truncation"
fi
NOT_THE_CFLAGS=""
PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wstringop-truncation])
if test -n "$NOT_THE_CFLAGS"; then
CFLAGS="$CFLAGS -Wno-stringop-truncation"
fi
elif test "$ICC" = yes; then
# Intel's compiler has a bug/misoptimization in checking for
# division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
PGAC_PROG_CC_CFLAGS_OPT([-mp1])
PGAC_PROG_CXX_CFLAGS_OPT([-mp1])
# Make sure strict aliasing is off (though this is said to be the default)
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
PGAC_PROG_CXX_CFLAGS_OPT([-fno-strict-aliasing])
elif test "$PORTNAME" = "aix"; then
# AIX's xlc has to have strict aliasing turned off too
PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
PGAC_PROG_CXX_CFLAGS_OPT([-qnoansialias])
PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
PGAC_PROG_CXX_CFLAGS_OPT([-qlonglong])
elif test "$PORTNAME" = "hpux"; then
# On some versions of HP-UX, libm functions do not set errno by default.
# Fix that by using +Olibmerrno if the compiler recognizes it.
PGAC_PROG_CC_CFLAGS_OPT([+Olibmerrno])
PGAC_PROG_CXX_CFLAGS_OPT([+Olibmerrno])
fi
AC_SUBST(CFLAGS_VECTOR, $CFLAGS_VECTOR)
# Determine flags used to emit bitcode for JIT inlining. Need to test
# for behaviour changing compiler flags, to keep compatibility with
# compiler used for normal postgres code.
if test "$with_llvm" = yes ; then
CLANGXX="$CLANG -xc++"
PGAC_PROG_VARCC_VARFLAGS_OPT(CLANG, BITCODE_CFLAGS, [-fno-strict-aliasing])
PGAC_PROG_VARCXX_VARFLAGS_OPT(CLANGXX, BITCODE_CXXFLAGS, [-fno-strict-aliasing])
PGAC_PROG_VARCC_VARFLAGS_OPT(CLANG, BITCODE_CFLAGS, [-fwrapv])
PGAC_PROG_VARCXX_VARFLAGS_OPT(CLANGXX, BITCODE_CXXFLAGS, [-fwrapv])
PGAC_PROG_VARCC_VARFLAGS_OPT(CLANG, BITCODE_CFLAGS, [-fexcess-precision=standard])
PGAC_PROG_VARCXX_VARFLAGS_OPT(CLANGXX, BITCODE_CXXFLAGS, [-fexcess-precision=standard])
fi
# supply -g if --enable-debug
if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
CFLAGS="$CFLAGS -g"
fi
if test "$enable_debug" = yes && test "$ac_cv_prog_cxx_g" = yes; then
CXXFLAGS="$CXXFLAGS -g"
fi
# enable code coverage if --enable-coverage
if test "$enable_coverage" = yes; then
if test "$GCC" = yes; then
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
else
AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
fi
fi
# enable profiling if --enable-profiling
if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
if test "$GCC" = yes; then
AC_DEFINE([PROFILE_PID_DIR], 1,
[Define to 1 to allow profiling output to be saved separately for each process.])
CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
CXXFLAGS="$CXXFLAGS -pg $PLATFORM_PROFILE_FLAGS"
else
AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
fi
fi
# We already have this in Makefile.win32, but configure needs it too
if test "$PORTNAME" = "win32"; then
CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
fi
# Now that we're done automatically adding stuff to C[XX]FLAGS, put back the
# user-specified flags (if any) at the end. This lets users override
# the automatic additions.
CFLAGS="$CFLAGS $user_CFLAGS"
CXXFLAGS="$CXXFLAGS $user_CXXFLAGS"
BITCODE_CFLAGS="$BITCODE_CFLAGS $user_BITCODE_CFLAGS"
BITCODE_CXXFLAGS="$BITCODE_CXXFLAGS $user_BITCODE_CXXFLAGS"
AC_SUBST(BITCODE_CFLAGS, $BITCODE_CFLAGS)
AC_SUBST(BITCODE_CXXFLAGS, $BITCODE_CXXFLAGS)
# Check if the compiler still works with the final flag settings
# (note, we're not checking that for CXX, which is optional)
AC_MSG_CHECKING([whether the C compiler still works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([cannot proceed])])
# Defend against gcc -ffast-math
if test "$GCC" = yes; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
choke me
@%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
fi
# Defend against clang being used on x86-32 without SSE2 enabled. As current
# versions of clang do not understand -fexcess-precision=standard, the use of
# x87 floating point operations leads to problems like isinf possibly returning
# false for a value that is infinite when converted from the 80bit register to
# the 8byte memory representation.
#
# Only perform the test if the compiler doesn't understand
# -fexcess-precision=standard, that way a potentially fixed compiler will work
# automatically.
if test "$pgac_cv_prog_CC_cflags__fexcess_precision_standard" = no; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
@%:@if defined(__clang__) && defined(__i386__) && !defined(__SSE2_MATH__)
choke me
@%:@endif
])], [],
[AC_MSG_ERROR([Compiling PostgreSQL with clang, on 32bit x86, requires SSE2 support. Use -msse2 or use gcc.])])
fi
AC_PROG_CPP
AC_SUBST(GCC)
#
# Set up TAS assembly code if needed; the template file has now had its
# chance to request this.
#
AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
if test "$need_tas" = yes ; then
TAS=tas.o
else
TAS=""
fi
AC_SUBST(TAS)
#
# Automatic dependency tracking
#
PGAC_ARG_BOOL(enable, depend, no, [turn on automatic dependency tracking],
[autodepend=yes])
AC_SUBST(autodepend)
#
# Enable assert checks
#
PGAC_ARG_BOOL(enable, cassert, no, [enable assertion checks (for debugging)],
[AC_DEFINE([USE_ASSERT_CHECKING], 1,
[Define to 1 to build with assertion checks. (--enable-cassert)])])
#
# Include directories
#
ac_save_IFS=$IFS
IFS="${IFS}${PATH_SEPARATOR}"
# SRCH_INC comes from the template file
for dir in $with_includes $SRCH_INC; do
if test -d "$dir"; then
INCLUDES="$INCLUDES -I$dir"
else
AC_MSG_WARN([*** Include directory $dir does not exist.])
fi
done
IFS=$ac_save_IFS
AC_SUBST(INCLUDES)
#
# Library directories
#
ac_save_IFS=$IFS
IFS="${IFS}${PATH_SEPARATOR}"
# LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
for dir in $LIBRARY_DIRS $SRCH_LIB; do
if test -d "$dir"; then
LIBDIRS="$LIBDIRS -L$dir"
else
AC_MSG_WARN([*** Library directory $dir does not exist.])
fi
done
IFS=$ac_save_IFS
#
# Enable thread-safe client libraries
#
AC_MSG_CHECKING([allow thread-safe client libraries])
PGAC_ARG_BOOL(enable, thread-safety, yes, [disable thread-safety in client libraries])
if test "$enable_thread_safety" = yes; then
AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
[Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
fi
AC_MSG_RESULT([$enable_thread_safety])
AC_SUBST(enable_thread_safety)
#
# ICU
#
AC_MSG_CHECKING([whether to build with ICU support])
PGAC_ARG_BOOL(with, icu, no, [build with ICU support],
[AC_DEFINE([USE_ICU], 1, [Define to build with ICU support. (--with-icu)])])
AC_MSG_RESULT([$with_icu])
AC_SUBST(with_icu)
if test "$with_icu" = yes; then
PKG_CHECK_MODULES(ICU, icu-uc icu-i18n)
fi
#
# Optionally build Tcl modules (PL/Tcl)
#
AC_MSG_CHECKING([whether to build with Tcl])
PGAC_ARG_BOOL(with, tcl, no, [build Tcl modules (PL/Tcl)])
AC_MSG_RESULT([$with_tcl])
AC_SUBST([with_tcl])
# We see if the path to the Tcl/Tk configuration scripts is specified.
# This will override the use of tclsh to find the paths to search.
PGAC_ARG_REQ(with, tclconfig, [DIR], [tclConfig.sh is in DIR])
#
# Optionally build Perl modules (PL/Perl)
#
AC_MSG_CHECKING([whether to build Perl modules])
PGAC_ARG_BOOL(with, perl, no, [build Perl modules (PL/Perl)])
AC_MSG_RESULT([$with_perl])
AC_SUBST(with_perl)
#
# Optionally build Python modules (PL/Python)
#
AC_MSG_CHECKING([whether to build Python modules])
PGAC_ARG_BOOL(with, python, no, [build Python modules (PL/Python)])
AC_MSG_RESULT([$with_python])
AC_SUBST(with_python)
#
# GSSAPI
#
AC_MSG_CHECKING([whether to build with GSSAPI support])
PGAC_ARG_BOOL(with, gssapi, no, [build with GSSAPI support],
[
AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
])
AC_MSG_RESULT([$with_gssapi])
AC_SUBST(with_gssapi)
AC_SUBST(krb_srvtab)
#
# Kerberos configuration parameters
#
PGAC_ARG_REQ(with, krb-srvnam,
[NAME], [default service principal name in Kerberos (GSSAPI) [postgres]],
[],
[with_krb_srvnam="postgres"])
AC_SUBST(with_krb_srvnam)
AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
[Define to the name of the default PostgreSQL service principal in Kerberos (GSSAPI). (--with-krb-srvnam=NAME)])
#
# PAM
#
AC_MSG_CHECKING([whether to build with PAM support])
PGAC_ARG_BOOL(with, pam, no,
[build with PAM support],
[AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
AC_MSG_RESULT([$with_pam])
#
# BSD AUTH
#
AC_MSG_CHECKING([whether to build with BSD Authentication support])
PGAC_ARG_BOOL(with, bsd-auth, no,
[build with BSD Authentication support],
[AC_DEFINE([USE_BSD_AUTH], 1, [Define to 1 to build with BSD Authentication support. (--with-bsd-auth)])])
AC_MSG_RESULT([$with_bsd_auth])
#
# LDAP
#
AC_MSG_CHECKING([whether to build with LDAP support])
PGAC_ARG_BOOL(with, ldap, no,
[build with LDAP support],
[AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
AC_MSG_RESULT([$with_ldap])
AC_SUBST(with_ldap)
#
# Bonjour
#
AC_MSG_CHECKING([whether to build with Bonjour support])
PGAC_ARG_BOOL(with, bonjour, no,
[build with Bonjour support],
[AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
AC_MSG_RESULT([$with_bonjour])
#
# OpenSSL
#
AC_MSG_CHECKING([whether to build with OpenSSL support])
PGAC_ARG_BOOL(with, openssl, no, [build with OpenSSL support],
[AC_DEFINE([USE_OPENSSL], 1, [Define to build with OpenSSL support. (--with-openssl)])])
AC_MSG_RESULT([$with_openssl])
AC_SUBST(with_openssl)
#
# SELinux
#
AC_MSG_CHECKING([whether to build with SELinux support])
PGAC_ARG_BOOL(with, selinux, no, [build with SELinux support])
AC_SUBST(with_selinux)
AC_MSG_RESULT([$with_selinux])
#
# Systemd
#
AC_MSG_CHECKING([whether to build with systemd support])
PGAC_ARG_BOOL(with, systemd, no, [build with systemd support],
[AC_DEFINE([USE_SYSTEMD], 1, [Define to build with systemd support. (--with-systemd)])])
AC_SUBST(with_systemd)
AC_MSG_RESULT([$with_systemd])
#
# CUDA
# ------------------------------------------------------------------------------
AC_MSG_CHECKING([CUDA support])
PGAC_ARG_OPTARG(enable, cuda,
[PATH], [enable CUDA Support (optionally set cuda PATH)],
[cuda_path=/usr/local/cuda],
[cuda_path=$enableval])
AC_MSG_RESULT([$enable_cuda, $cuda_path])
AC_SUBST(enable_cuda)
AC_SUBST(cuda_path)
if test x"$enable_cuda" != x"no" ; then
AC_CHECK_PROG(NVCC_CHECK,nvcc,yes,no,$cuda_path/bin)
if test x"$NVCC_CHECK" != x"yes" ; then
AC_MSG_ERROR(CUDA was not found!)
fi
AC_MSG_CHECKING([CUDA compute capability])
PGAC_ARG_REQ(with, cudasm,
[SM], [Compile for compute capability SM)],
[], [with_cudasm="30 35 37 50 52 60 61 70 75"])
AC_MSG_RESULT([$with_cudasm])
AC_SUBST(with_cudasm)
else
with_cudasm=""
AC_SUBST(with_cudasm)
fi
#
# Readline
#
PGAC_ARG_BOOL(with, readline, yes,
[do not use GNU Readline nor BSD Libedit for editing])
# readline on MinGW has problems with backslashes in psql and other bugs.
# This is particularly a problem with non-US code pages.
# Therefore disable its use until we understand the cause. 2004-07-20
if test "$PORTNAME" = "win32"; then
if test "$with_readline" = yes; then
AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
with_readline=no
fi
fi
#
# Prefer libedit
#
PGAC_ARG_BOOL(with, libedit-preferred, no,
[prefer BSD Libedit over GNU Readline])
#
# UUID library
#
# There are at least three UUID libraries in common use: the FreeBSD/NetBSD
# library, the e2fsprogs libuuid (now part of util-linux-ng), and the OSSP
# UUID library. More than one of these might be present on a given platform,
# so we make the user say which one she wants.
#
PGAC_ARG_REQ(with, uuid, [LIB], [build contrib/uuid-ossp using LIB (bsd,e2fs,ossp)])
if test x"$with_uuid" = x"" ; then
with_uuid=no
fi
PGAC_ARG_BOOL(with, ossp-uuid, no, [obsolete spelling of --with-uuid=ossp])
if test "$with_ossp_uuid" = yes ; then
with_uuid=ossp
fi
if test "$with_uuid" = bsd ; then
AC_DEFINE([HAVE_UUID_BSD], 1, [Define to 1 if you have BSD UUID support.])
UUID_EXTRA_OBJS="md5.o sha1.o"
elif test "$with_uuid" = e2fs ; then
AC_DEFINE([HAVE_UUID_E2FS], 1, [Define to 1 if you have E2FS UUID support.])
UUID_EXTRA_OBJS="md5.o sha1.o"
elif test "$with_uuid" = ossp ; then
AC_DEFINE([HAVE_UUID_OSSP], 1, [Define to 1 if you have OSSP UUID support.])
UUID_EXTRA_OBJS=""
elif test "$with_uuid" = no ; then
UUID_EXTRA_OBJS=""
else
AC_MSG_ERROR([--with-uuid must specify one of bsd, e2fs, or ossp])
fi
AC_SUBST(with_uuid)
AC_SUBST(UUID_EXTRA_OBJS)
#
# XML
#
PGAC_ARG_BOOL(with, libxml, no, [build with XML support],
[AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
if test "$with_libxml" = yes ; then
PGAC_PATH_PROGS(XML2_CONFIG, xml2-config)
AC_ARG_VAR(XML2_CONFIG, [path to xml2-config utility])dnl
if test -n "$XML2_CONFIG"; then
for pgac_option in `$XML2_CONFIG --cflags`; do
case $pgac_option in
-I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
esac
done
for pgac_option in `$XML2_CONFIG --libs`; do
case $pgac_option in
-L*) LDFLAGS="$LDFLAGS $pgac_option";;
esac
done
fi
fi
AC_SUBST(with_libxml)
#
# XSLT
#
PGAC_ARG_BOOL(with, libxslt, no, [use XSLT support when building contrib/xml2],
[AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
AC_SUBST(with_libxslt)
#
# tzdata
#
PGAC_ARG_REQ(with, system-tzdata,
[DIR], [use system time zone data in DIR])
AC_SUBST(with_system_tzdata)
#
# Zlib
#
PGAC_ARG_BOOL(with, zlib, yes,
[do not use Zlib])
AC_SUBST(with_zlib)
#
# Elf
#
# Assume system is ELF if it predefines __ELF__ as 1,
# otherwise believe host_os based default.