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configure: Workaround for ppc64 TLS optimization bug with -fno-plt code
On ppc64 architectures we need to turn off the __tls_get_addr runtime optimization for -fno-plt code in dynamic shared objects by passing a certain flag (-Wl,--no-tls-get-addr-optimize) to the linker, when compiling with gcc and using ld.bfd < 2.44. See: https://sourceware.org/PR32387
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| # =========================================================================== | ||
| # https://www.gnu.org/software/autoconf-archive/ax_compare_version.html | ||
| # =========================================================================== | ||
| # | ||
| # SYNOPSIS | ||
| # | ||
| # AX_COMPARE_VERSION(VERSION_A, OP, VERSION_B, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) | ||
| # | ||
| # DESCRIPTION | ||
| # | ||
| # This macro compares two version strings. Due to the various number of | ||
| # minor-version numbers that can exist, and the fact that string | ||
| # comparisons are not compatible with numeric comparisons, this is not | ||
| # necessarily trivial to do in a autoconf script. This macro makes doing | ||
| # these comparisons easy. | ||
| # | ||
| # The six basic comparisons are available, as well as checking equality | ||
| # limited to a certain number of minor-version levels. | ||
| # | ||
| # The operator OP determines what type of comparison to do, and can be one | ||
| # of: | ||
| # | ||
| # eq - equal (test A == B) | ||
| # ne - not equal (test A != B) | ||
| # le - less than or equal (test A <= B) | ||
| # ge - greater than or equal (test A >= B) | ||
| # lt - less than (test A < B) | ||
| # gt - greater than (test A > B) | ||
| # | ||
| # Additionally, the eq and ne operator can have a number after it to limit | ||
| # the test to that number of minor versions. | ||
| # | ||
| # eq0 - equal up to the length of the shorter version | ||
| # ne0 - not equal up to the length of the shorter version | ||
| # eqN - equal up to N sub-version levels | ||
| # neN - not equal up to N sub-version levels | ||
| # | ||
| # When the condition is true, shell commands ACTION-IF-TRUE are run, | ||
| # otherwise shell commands ACTION-IF-FALSE are run. The environment | ||
| # variable 'ax_compare_version' is always set to either 'true' or 'false' | ||
| # as well. | ||
| # | ||
| # Examples: | ||
| # | ||
| # AX_COMPARE_VERSION([3.15.7],[lt],[3.15.8]) | ||
| # AX_COMPARE_VERSION([3.15],[lt],[3.15.8]) | ||
| # | ||
| # would both be true. | ||
| # | ||
| # AX_COMPARE_VERSION([3.15.7],[eq],[3.15.8]) | ||
| # AX_COMPARE_VERSION([3.15],[gt],[3.15.8]) | ||
| # | ||
| # would both be false. | ||
| # | ||
| # AX_COMPARE_VERSION([3.15.7],[eq2],[3.15.8]) | ||
| # | ||
| # would be true because it is only comparing two minor versions. | ||
| # | ||
| # AX_COMPARE_VERSION([3.15.7],[eq0],[3.15]) | ||
| # | ||
| # would be true because it is only comparing the lesser number of minor | ||
| # versions of the two values. | ||
| # | ||
| # Note: The characters that separate the version numbers do not matter. An | ||
| # empty string is the same as version 0. OP is evaluated by autoconf, not | ||
| # configure, so must be a string, not a variable. | ||
| # | ||
| # The author would like to acknowledge Guido Draheim whose advice about | ||
| # the m4_case and m4_ifvaln functions make this macro only include the | ||
| # portions necessary to perform the specific comparison specified by the | ||
| # OP argument in the final configure script. | ||
| # | ||
| # LICENSE | ||
| # | ||
| # Copyright (c) 2008 Tim Toolan <toolan@ele.uri.edu> | ||
| # | ||
| # Copying and distribution of this file, with or without modification, are | ||
| # permitted in any medium without royalty provided the copyright notice | ||
| # and this notice are preserved. This file is offered as-is, without any | ||
| # warranty. | ||
|
|
||
| #serial 13 | ||
|
|
||
| dnl ######################################################################### | ||
| AC_DEFUN([AX_COMPARE_VERSION], [ | ||
| AC_REQUIRE([AC_PROG_AWK]) | ||
| # Used to indicate true or false condition | ||
| ax_compare_version=false | ||
| # Convert the two version strings to be compared into a format that | ||
| # allows a simple string comparison. The end result is that a version | ||
| # string of the form 1.12.5-r617 will be converted to the form | ||
| # 0001001200050617. In other words, each number is zero padded to four | ||
| # digits, and non digits are removed. | ||
| AS_VAR_PUSHDEF([A],[ax_compare_version_A]) | ||
| A=`echo "$1" | sed -e 's/\([[0-9]]*\)/Z\1Z/g' \ | ||
| -e 's/Z\([[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/Z\([[0-9]][[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/Z\([[0-9]][[0-9]][[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/[[^0-9]]//g'` | ||
| AS_VAR_PUSHDEF([B],[ax_compare_version_B]) | ||
| B=`echo "$3" | sed -e 's/\([[0-9]]*\)/Z\1Z/g' \ | ||
| -e 's/Z\([[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/Z\([[0-9]][[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/Z\([[0-9]][[0-9]][[0-9]]\)Z/Z0\1Z/g' \ | ||
| -e 's/[[^0-9]]//g'` | ||
| dnl # In the case of le, ge, lt, and gt, the strings are sorted as necessary | ||
| dnl # then the first line is used to determine if the condition is true. | ||
| dnl # The sed right after the echo is to remove any indented white space. | ||
| m4_case(m4_tolower($2), | ||
| [lt],[ | ||
| ax_compare_version=`echo "x$A | ||
| x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/false/;s/x${B}/true/;1q"` | ||
| ], | ||
| [gt],[ | ||
| ax_compare_version=`echo "x$A | ||
| x$B" | sed 's/^ *//' | sort | sed "s/x${A}/false/;s/x${B}/true/;1q"` | ||
| ], | ||
| [le],[ | ||
| ax_compare_version=`echo "x$A | ||
| x$B" | sed 's/^ *//' | sort | sed "s/x${A}/true/;s/x${B}/false/;1q"` | ||
| ], | ||
| [ge],[ | ||
| ax_compare_version=`echo "x$A | ||
| x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"` | ||
| ],[ | ||
| dnl Split the operator from the subversion count if present. | ||
| m4_bmatch(m4_substr($2,2), | ||
| [0],[ | ||
| # A count of zero means use the length of the shorter version. | ||
| # Determine the number of characters in A and B. | ||
| ax_compare_version_len_A=`echo "$A" | $AWK '{print(length)}'` | ||
| ax_compare_version_len_B=`echo "$B" | $AWK '{print(length)}'` | ||
| # Set A to no more than B's length and B to no more than A's length. | ||
| A=`echo "$A" | sed "s/\(.\{$ax_compare_version_len_B\}\).*/\1/"` | ||
| B=`echo "$B" | sed "s/\(.\{$ax_compare_version_len_A\}\).*/\1/"` | ||
| ], | ||
| [[0-9]+],[ | ||
| # A count greater than zero means use only that many subversions | ||
| A=`echo "$A" | sed "s/\(\([[0-9]]\{4\}\)\{m4_substr($2,2)\}\).*/\1/"` | ||
| B=`echo "$B" | sed "s/\(\([[0-9]]\{4\}\)\{m4_substr($2,2)\}\).*/\1/"` | ||
| ], | ||
| [.+],[ | ||
| AC_WARNING( | ||
| [invalid OP numeric parameter: $2]) | ||
| ],[]) | ||
| # Pad zeros at end of numbers to make same length. | ||
| ax_compare_version_tmp_A="$A`echo $B | sed 's/./0/g'`" | ||
| B="$B`echo $A | sed 's/./0/g'`" | ||
| A="$ax_compare_version_tmp_A" | ||
| # Check for equality or inequality as necessary. | ||
| m4_case(m4_tolower(m4_substr($2,0,2)), | ||
| [eq],[ | ||
| test "x$A" = "x$B" && ax_compare_version=true | ||
| ], | ||
| [ne],[ | ||
| test "x$A" != "x$B" && ax_compare_version=true | ||
| ],[ | ||
| AC_WARNING([invalid OP parameter: $2]) | ||
| ]) | ||
| ]) | ||
| AS_VAR_POPDEF([A])dnl | ||
| AS_VAR_POPDEF([B])dnl | ||
| dnl # Execute ACTION-IF-TRUE / ACTION-IF-FALSE. | ||
| if test "$ax_compare_version" = "true" ; then | ||
| m4_ifvaln([$4],[$4],[:])dnl | ||
| m4_ifvaln([$5],[else $5])dnl | ||
| fi | ||
| ]) dnl AX_COMPARE_VERSION |
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| # =========================================================================== | ||
| # https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html | ||
| # =========================================================================== | ||
| # | ||
| # SYNOPSIS | ||
| # | ||
| # AX_COMPILER_VENDOR | ||
| # | ||
| # DESCRIPTION | ||
| # | ||
| # Determine the vendor of the C, C++ or Fortran compiler. The vendor is | ||
| # returned in the cache variable $ax_cv_c_compiler_vendor for C, | ||
| # $ax_cv_cxx_compiler_vendor for C++ or $ax_cv_fc_compiler_vendor for | ||
| # (modern) Fortran. The value is one of "intel", "ibm", "pathscale", | ||
| # "clang" (LLVM), "cray", "fujitsu", "sdcc", "sx", "nvhpc" (NVIDIA HPC | ||
| # Compiler), "portland" (PGI), "gnu" (GCC), "sun" (Oracle Developer | ||
| # Studio), "hp", "dec", "borland", "comeau", "kai", "lcc", "sgi", | ||
| # "microsoft", "metrowerks", "watcom", "tcc" (Tiny CC) or "unknown" (if | ||
| # the compiler cannot be determined). | ||
| # | ||
| # To check for a Fortran compiler, you must first call AC_FC_PP_SRCEXT | ||
| # with an appropriate preprocessor-enabled extension. For example: | ||
| # | ||
| # AC_LANG_PUSH([Fortran]) | ||
| # AC_PROG_FC | ||
| # AC_FC_PP_SRCEXT([F]) | ||
| # AX_COMPILER_VENDOR | ||
| # AC_LANG_POP([Fortran]) | ||
| # | ||
| # LICENSE | ||
| # | ||
| # Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> | ||
| # Copyright (c) 2008 Matteo Frigo | ||
| # Copyright (c) 2018-19 John Zaitseff <J.Zaitseff@zap.org.au> | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify it | ||
| # under the terms of the GNU General Public License as published by the | ||
| # Free Software Foundation, either version 3 of the License, or (at your | ||
| # option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, but | ||
| # WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
| # Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License along | ||
| # with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| # | ||
| # As a special exception, the respective Autoconf Macro's copyright owner | ||
| # gives unlimited permission to copy, distribute and modify the configure | ||
| # scripts that are the output of Autoconf when processing the Macro. You | ||
| # need not follow the terms of the GNU General Public License when using | ||
| # or distributing such scripts, even though portions of the text of the | ||
| # Macro appear in them. The GNU General Public License (GPL) does govern | ||
| # all other use of the material that constitutes the Autoconf Macro. | ||
| # | ||
| # This special exception to the GPL applies to versions of the Autoconf | ||
| # Macro released by the Autoconf Archive. When you make and distribute a | ||
| # modified version of the Autoconf Macro, you may extend this special | ||
| # exception to the GPL to apply to your modified version as well. | ||
|
|
||
| #serial 32 | ||
|
|
||
| AC_DEFUN([AX_COMPILER_VENDOR], [dnl | ||
| AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, [dnl | ||
| dnl If you modify this list of vendors, please add similar support | ||
| dnl to ax_compiler_version.m4 if at all possible. | ||
| dnl | ||
| dnl Note: Do NOT check for GCC first since some other compilers | ||
| dnl define __GNUC__ to remain compatible with it. Compilers that | ||
| dnl are very slow to start (such as Intel) are listed first. | ||
| vendors=" | ||
| intel: __ICC,__ECC,__INTEL_COMPILER | ||
| ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__,__ibmxl__ | ||
| pathscale: __PATHCC__,__PATHSCALE__ | ||
| clang: __clang__ | ||
| cray: _CRAYC | ||
| fujitsu: __FUJITSU | ||
| sdcc: SDCC,__SDCC | ||
| sx: _SX | ||
| nvhpc: __NVCOMPILER | ||
| portland: __PGI | ||
| gnu: __GNUC__ | ||
| sun: __SUNPRO_C,__SUNPRO_CC,__SUNPRO_F90,__SUNPRO_F95 | ||
| hp: __HP_cc,__HP_aCC | ||
| dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER | ||
| borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ | ||
| comeau: __COMO__ | ||
| kai: __KCC | ||
| lcc: __LCC__ | ||
| sgi: __sgi,sgi | ||
| microsoft: _MSC_VER | ||
| metrowerks: __MWERKS__ | ||
| watcom: __WATCOMC__ | ||
| tcc: __TINYC__ | ||
| unknown: UNKNOWN | ||
| " | ||
| for ventest in $vendors; do | ||
| case $ventest in | ||
| *:) | ||
| vendor=$ventest | ||
| continue | ||
| ;; | ||
| *) | ||
| vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" | ||
| ;; | ||
| esac | ||
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[ | ||
| #if !($vencpp) | ||
| thisisanerror; | ||
| #endif | ||
| ]])], [break]) | ||
| done | ||
| ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` | ||
| ]) | ||
| ])dnl |
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