Merge #7711: [build-aux] Update Boost & check macros to latest serials
cf5c786 [build-aux] Update Boost & check macros to latest serials (fanquake)This commit is contained in:
Wladimir J. van der Laan
commit
a67bc5e128
8 changed files with 379 additions and 203 deletions
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@ -33,7 +33,7 @@
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 23
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#serial 26
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AC_DEFUN([AX_BOOST_BASE],
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[
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@ -95,8 +95,8 @@ if test "x$want_boost" = "xyes"; then
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x86_64)
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libsubdirs="lib64 libx32 lib lib64"
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;;
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ppc64|s390x|sparc64|aarch64)
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libsubdirs="lib64 lib lib64"
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ppc64|s390x|sparc64|aarch64|ppc64le)
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libsubdirs="lib64 lib lib64 ppc64le"
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;;
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esac
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@ -170,7 +170,7 @@ if test "x$want_boost" = "xyes"; then
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[:
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],[
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])
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AC_LANG_POP([C++])
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@ -179,6 +179,10 @@ if test "x$want_boost" = "xyes"; then
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dnl if we found no boost with system layout we search for boost libraries
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dnl built and installed without the --layout=system option or for a staged(not installed) version
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if test "x$succeeded" != "xyes"; then
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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BOOST_CPPFLAGS=
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BOOST_LDFLAGS=
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_version=0
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if test "$ac_boost_path" != ""; then
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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@ -191,6 +195,12 @@ if test "x$want_boost" = "xyes"; then
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
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done
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dnl if nothing found search for layout used in Windows distributions
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if test -z "$BOOST_CPPFLAGS"; then
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if test -d "$ac_boost_path/boost" && test -r "$ac_boost_path/boost"; then
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BOOST_CPPFLAGS="-I$ac_boost_path"
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fi
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fi
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fi
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else
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if test "$cross_compiling" != yes; then
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@ -253,7 +263,7 @@ if test "x$want_boost" = "xyes"; then
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[:
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],[
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])
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AC_LANG_POP([C++])
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fi
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@ -29,7 +29,7 @@
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 22
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#serial 24
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AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
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[
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@ -63,9 +63,9 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
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AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
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ax_cv_boost_program_options,
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[AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/program_options/errors.hpp>
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]],
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[[boost::program_options::options_description generic("Generic options");
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[[boost::program_options::error err("Error message");
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return 0;]])],
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ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
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AC_LANG_POP([C++])
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@ -74,7 +74,6 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
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AC_DEFINE(HAVE_BOOST_PROGRAM_OPTIONS,,[define if the Boost::PROGRAM_OPTIONS library is available])
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BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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if test "x$ax_boost_user_program_options_lib" = "x"; then
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ax_lib=
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for libextension in `ls $BOOSTLIBDIR/libboost_program_options*.so* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_program_options.*\)\.so.*$;\1;'` `ls $BOOSTLIBDIR/libboost_program_options*.dylib* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_program_options.*\)\.dylib.*$;\1;'` `ls $BOOSTLIBDIR/libboost_program_options*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_program_options.*\)\.a.*$;\1;'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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@ -31,7 +31,7 @@
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 17
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#serial 18
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AC_DEFUN([AX_BOOST_SYSTEM],
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[
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@ -68,9 +68,10 @@ AC_DEFUN([AX_BOOST_SYSTEM],
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ax_cv_boost_system,
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[AC_LANG_PUSH([C++])
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CXXFLAGS_SAVE=$CXXFLAGS
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CXXFLAGS=
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/system/error_code.hpp>]],
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[[boost::system::system_category]])],
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[[boost::system::error_category *a = 0;]])],
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ax_cv_boost_system=yes, ax_cv_boost_system=no)
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CXXFLAGS=$CXXFLAGS_SAVE
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AC_LANG_POP([C++])
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@ -4,7 +4,7 @@
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#
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# SYNOPSIS
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#
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# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS])
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# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
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#
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# DESCRIPTION
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#
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@ -19,6 +19,8 @@
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# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
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# force the compiler to issue an error when a bad flag is given.
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#
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# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
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#
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# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
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# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
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#
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@ -53,19 +55,19 @@
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 2
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#serial 4
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AC_DEFUN([AX_CHECK_COMPILE_FLAG],
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[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
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[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
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AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
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ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
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_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
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AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
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[AS_VAR_SET(CACHEVAR,[yes])],
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[AS_VAR_SET(CACHEVAR,[no])])
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_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
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AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
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AS_VAR_IF(CACHEVAR,yes,
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[m4_default([$2], :)],
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[m4_default([$3], :)])
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AS_VAR_POPDEF([CACHEVAR])dnl
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@ -4,7 +4,7 @@
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#
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# SYNOPSIS
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#
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# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS])
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# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
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#
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# DESCRIPTION
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#
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@ -19,6 +19,8 @@
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# EXTRA-FLAGS FLAG". This can for example be used to force the linker to
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# issue an error when a bad flag is given.
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#
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# INPUT gives an alternative input source to AC_LINK_IFELSE.
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#
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# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
|
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# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG.
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#
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@ -53,18 +55,19 @@
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# modified version of the Autoconf Macro, you may extend this special
|
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# exception to the GPL to apply to your modified version as well.
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|
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#serial 2
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#serial 4
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AC_DEFUN([AX_CHECK_LINK_FLAG],
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[AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl
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[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl
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AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [
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ax_check_save_flags=$LDFLAGS
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LDFLAGS="$LDFLAGS $4 $1"
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AC_LINK_IFELSE([AC_LANG_PROGRAM()],
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AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
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[AS_VAR_SET(CACHEVAR,[yes])],
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[AS_VAR_SET(CACHEVAR,[no])])
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LDFLAGS=$ax_check_save_flags])
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AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
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AS_VAR_IF(CACHEVAR,yes,
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[m4_default([$2], :)],
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[m4_default([$3], :)])
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AS_VAR_POPDEF([CACHEVAR])dnl
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@ -4,7 +4,7 @@
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#
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# SYNOPSIS
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#
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# AX_CHECK_PREPROC_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS])
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# AX_CHECK_PREPROC_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
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#
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# DESCRIPTION
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#
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@ -19,6 +19,8 @@
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# "CPPFLAGS EXTRA-FLAGS FLAG". This can for example be used to force the
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# preprocessor to issue an error when a bad flag is given.
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#
|
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# INPUT gives an alternative input source to AC_PREPROC_IFELSE.
|
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#
|
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# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
|
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# macro in sync with AX_CHECK_{COMPILE,LINK}_FLAG.
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#
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@ -53,19 +55,19 @@
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# modified version of the Autoconf Macro, you may extend this special
|
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# exception to the GPL to apply to your modified version as well.
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|
||||
#serial 2
|
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#serial 4
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AC_DEFUN([AX_CHECK_PREPROC_FLAG],
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[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
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[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]cppflags_$4_$1])dnl
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AC_CACHE_CHECK([whether _AC_LANG preprocessor accepts $1], CACHEVAR, [
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ax_check_save_flags=$CPPFLAGS
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CPPFLAGS="$CPPFLAGS $4 $1"
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AC_PREPROC_IFELSE([AC_LANG_PROGRAM()],
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AC_PREPROC_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
|
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[AS_VAR_SET(CACHEVAR,[yes])],
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[AS_VAR_SET(CACHEVAR,[no])])
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CPPFLAGS=$ax_check_save_flags])
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AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
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AS_VAR_IF(CACHEVAR,yes,
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[m4_default([$2], :)],
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[m4_default([$3], :)])
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AS_VAR_POPDEF([CACHEVAR])dnl
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@ -31,6 +31,7 @@
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# cold
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# const
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# constructor
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# constructor_priority for constructor attribute with priority
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# deprecated
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# destructor
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# dllexport
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@ -73,7 +74,7 @@
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 2
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#serial 3
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AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
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AS_VAR_PUSHDEF([ac_var], [ax_cv_have_func_attribute_$1])
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@ -103,6 +104,9 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
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[const], [
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int foo( void ) __attribute__(($1));
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],
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[constructor_priority], [
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int foo( void ) __attribute__((__constructor__(65535/2)));
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],
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[constructor], [
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int foo( void ) __attribute__(($1));
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],
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@ -180,6 +184,8 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
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[visibility], [
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int foo_def( void ) __attribute__(($1("default")));
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int foo_hid( void ) __attribute__(($1("hidden")));
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int foo_int( void ) __attribute__(($1("internal")));
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int foo_pro( void ) __attribute__(($1("protected")));
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],
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[warning], [
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int foo( void ) __attribute__(($1("")));
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@ -19,10 +19,10 @@
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# is necessary on AIX to use the special cc_r compiler alias.)
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#
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# NOTE: You are assumed to not only compile your program with these flags,
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# but also link it with them as well. e.g. you should link with
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# but also to link with them as well. For example, you might link with
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# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
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#
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# If you are only building threads programs, you may wish to use these
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# If you are only building threaded programs, you may wish to use these
|
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# variables in your default LIBS, CFLAGS, and CC:
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#
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# LIBS="$PTHREAD_LIBS $LIBS"
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@ -30,8 +30,8 @@
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# CC="$PTHREAD_CC"
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#
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# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
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# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
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# (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
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# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
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# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
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#
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# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
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# PTHREAD_PRIO_INHERIT symbol is defined when compiling with
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@ -82,35 +82,40 @@
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# modified version of the Autoconf Macro, you may extend this special
|
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# exception to the GPL to apply to your modified version as well.
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#serial 21
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#serial 22
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AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
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AC_DEFUN([AX_PTHREAD], [
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AC_PROG_SED])
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AC_LANG_PUSH([C])
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ax_pthread_ok=no
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# We used to check for pthread.h first, but this fails if pthread.h
|
||||
# requires special compiler flags (e.g. on True64 or Sequent).
|
||||
# requires special compiler flags (e.g. on Tru64 or Sequent).
|
||||
# It gets checked for in the link test anyway.
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|
||||
# First of all, check if the user has set any of the PTHREAD_LIBS,
|
||||
# etcetera environment variables, and if threads linking works using
|
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# them:
|
||||
if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
|
||||
save_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
save_LIBS="$LIBS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
|
||||
AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes])
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
if test x"$ax_pthread_ok" = xno; then
|
||||
PTHREAD_LIBS=""
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PTHREAD_CFLAGS=""
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fi
|
||||
LIBS="$save_LIBS"
|
||||
CFLAGS="$save_CFLAGS"
|
||||
if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
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||||
ax_pthread_save_CC="$CC"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
|
||||
AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
if test "x$ax_pthread_ok" = "xno"; then
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PTHREAD_LIBS=""
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PTHREAD_CFLAGS=""
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||||
fi
|
||||
CC="$ax_pthread_save_CC"
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||||
CFLAGS="$ax_pthread_save_CFLAGS"
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||||
LIBS="$ax_pthread_save_LIBS"
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fi
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# We must check for the threads library under a number of different
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@ -123,7 +128,7 @@ fi
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# which indicates that we try without any flags at all, and "pthread-config"
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# which is a program returning the flags for the Pth emulation library.
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||||
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||||
ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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||||
ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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||||
|
||||
# The ordering *is* (sometimes) important. Some notes on the
|
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# individual items follow:
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@ -132,186 +137,334 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt
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|||
# none: in case threads are in libc; should be tried before -Kthread and
|
||||
# other compiler flags to prevent continual compiler warnings
|
||||
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
|
||||
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
|
||||
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
|
||||
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
|
||||
# -pthreads: Solaris/gcc
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||||
# -mthreads: Mingw32/gcc, Lynx/gcc
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||||
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
|
||||
# (Note: HP C rejects this with "bad form for `-t' option")
|
||||
# -pthreads: Solaris/gcc (Note: HP C also rejects)
|
||||
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
|
||||
# doesn't hurt to check since this sometimes defines pthreads too;
|
||||
# also defines -D_REENTRANT)
|
||||
# ... -mt is also the pthreads flag for HP/aCC
|
||||
# doesn't hurt to check since this sometimes defines pthreads and
|
||||
# -D_REENTRANT too), HP C (must be checked before -lpthread, which
|
||||
# is present but should not be used directly; and before -mthreads,
|
||||
# because the compiler interprets this as "-mt" + "-hreads")
|
||||
# -mthreads: Mingw32/gcc, Lynx/gcc
|
||||
# pthread: Linux, etcetera
|
||||
# --thread-safe: KAI C++
|
||||
# pthread-config: use pthread-config program (for GNU Pth library)
|
||||
|
||||
case ${host_os} in
|
||||
solaris*)
|
||||
case $host_os in
|
||||
|
||||
# On Solaris (at least, for some versions), libc contains stubbed
|
||||
# (non-functional) versions of the pthreads routines, so link-based
|
||||
# tests will erroneously succeed. (We need to link with -pthreads/-mt/
|
||||
# -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
|
||||
# a function called by this macro, so we could check for that, but
|
||||
# who knows whether they'll stub that too in a future libc.) So,
|
||||
# we'll just look for -pthreads and -lpthread first:
|
||||
freebsd*)
|
||||
|
||||
ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
|
||||
;;
|
||||
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
|
||||
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
|
||||
|
||||
darwin*)
|
||||
ax_pthread_flags="-pthread $ax_pthread_flags"
|
||||
;;
|
||||
ax_pthread_flags="-kthread lthread $ax_pthread_flags"
|
||||
;;
|
||||
|
||||
hpux*)
|
||||
|
||||
# From the cc(1) man page: "[-mt] Sets various -D flags to enable
|
||||
# multi-threading and also sets -lpthread."
|
||||
|
||||
ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
|
||||
openedition*)
|
||||
|
||||
# IBM z/OS requires a feature-test macro to be defined in order to
|
||||
# enable POSIX threads at all, so give the user a hint if this is
|
||||
# not set. (We don't define these ourselves, as they can affect
|
||||
# other portions of the system API in unpredictable ways.)
|
||||
|
||||
AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
|
||||
[
|
||||
# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
|
||||
AX_PTHREAD_ZOS_MISSING
|
||||
# endif
|
||||
],
|
||||
[AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
|
||||
;;
|
||||
|
||||
solaris*)
|
||||
|
||||
# On Solaris (at least, for some versions), libc contains stubbed
|
||||
# (non-functional) versions of the pthreads routines, so link-based
|
||||
# tests will erroneously succeed. (N.B.: The stubs are missing
|
||||
# pthread_cleanup_push, or rather a function called by this macro,
|
||||
# so we could check for that, but who knows whether they'll stub
|
||||
# that too in a future libc.) So we'll check first for the
|
||||
# standard Solaris way of linking pthreads (-mt -lpthread).
|
||||
|
||||
ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
esac
|
||||
|
||||
# Clang doesn't consider unrecognized options an error unless we specify
|
||||
# -Werror. We throw in some extra Clang-specific options to ensure that
|
||||
# this doesn't happen for GCC, which also accepts -Werror.
|
||||
# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
|
||||
|
||||
AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags])
|
||||
save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_extra_flags="-Werror"
|
||||
CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument"
|
||||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])],
|
||||
[AC_MSG_RESULT([yes])],
|
||||
[ax_pthread_extra_flags=
|
||||
AC_MSG_RESULT([no])])
|
||||
CFLAGS="$save_CFLAGS"
|
||||
AS_IF([test "x$GCC" = "xyes"],
|
||||
[ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"])
|
||||
|
||||
if test x"$ax_pthread_ok" = xno; then
|
||||
for flag in $ax_pthread_flags; do
|
||||
# The presence of a feature test macro requesting re-entrant function
|
||||
# definitions is, on some systems, a strong hint that pthreads support is
|
||||
# correctly enabled
|
||||
|
||||
case $flag in
|
||||
none)
|
||||
AC_MSG_CHECKING([whether pthreads work without any flags])
|
||||
;;
|
||||
case $host_os in
|
||||
darwin* | hpux* | linux* | osf* | solaris*)
|
||||
ax_pthread_check_macro="_REENTRANT"
|
||||
;;
|
||||
|
||||
-*)
|
||||
AC_MSG_CHECKING([whether pthreads work with $flag])
|
||||
PTHREAD_CFLAGS="$flag"
|
||||
;;
|
||||
aix* | freebsd*)
|
||||
ax_pthread_check_macro="_THREAD_SAFE"
|
||||
;;
|
||||
|
||||
pthread-config)
|
||||
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
|
||||
if test x"$ax_pthread_config" = xno; then continue; fi
|
||||
PTHREAD_CFLAGS="`pthread-config --cflags`"
|
||||
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
|
||||
;;
|
||||
*)
|
||||
ax_pthread_check_macro="--"
|
||||
;;
|
||||
esac
|
||||
AS_IF([test "x$ax_pthread_check_macro" = "x--"],
|
||||
[ax_pthread_check_cond=0],
|
||||
[ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
|
||||
|
||||
*)
|
||||
AC_MSG_CHECKING([for the pthreads library -l$flag])
|
||||
PTHREAD_LIBS="-l$flag"
|
||||
;;
|
||||
esac
|
||||
# Are we compiling with Clang?
|
||||
|
||||
save_LIBS="$LIBS"
|
||||
save_CFLAGS="$CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
|
||||
AC_CACHE_CHECK([whether $CC is Clang],
|
||||
[ax_cv_PTHREAD_CLANG],
|
||||
[ax_cv_PTHREAD_CLANG=no
|
||||
# Note that Autoconf sets GCC=yes for Clang as well as GCC
|
||||
if test "x$GCC" = "xyes"; then
|
||||
AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
|
||||
[/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
|
||||
# if defined(__clang__) && defined(__llvm__)
|
||||
AX_PTHREAD_CC_IS_CLANG
|
||||
# endif
|
||||
],
|
||||
[ax_cv_PTHREAD_CLANG=yes])
|
||||
fi
|
||||
])
|
||||
ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
|
||||
|
||||
# Check for various functions. We must include pthread.h,
|
||||
# since some functions may be macros. (On the Sequent, we
|
||||
# need a special flag -Kthread to make this header compile.)
|
||||
# We check for pthread_join because it is in -lpthread on IRIX
|
||||
# while pthread_create is in libc. We check for pthread_attr_init
|
||||
# due to DEC craziness with -lpthreads. We check for
|
||||
# pthread_cleanup_push because it is one of the few pthread
|
||||
# functions on Solaris that doesn't have a non-functional libc stub.
|
||||
# We try pthread_create on general principles.
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
|
||||
static void routine(void *a) { a = 0; }
|
||||
static void *start_routine(void *a) { return a; }],
|
||||
[pthread_t th; pthread_attr_t attr;
|
||||
pthread_create(&th, 0, start_routine, 0);
|
||||
pthread_join(th, 0);
|
||||
pthread_attr_init(&attr);
|
||||
pthread_cleanup_push(routine, 0);
|
||||
pthread_cleanup_pop(0) /* ; */])],
|
||||
[ax_pthread_ok=yes],
|
||||
[])
|
||||
ax_pthread_clang_warning=no
|
||||
|
||||
LIBS="$save_LIBS"
|
||||
CFLAGS="$save_CFLAGS"
|
||||
# Clang needs special handling, because older versions handle the -pthread
|
||||
# option in a rather... idiosyncratic way
|
||||
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
if test "x$ax_pthread_ok" = xyes; then
|
||||
break;
|
||||
fi
|
||||
if test "x$ax_pthread_clang" = "xyes"; then
|
||||
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
# Clang takes -pthread; it has never supported any other flag
|
||||
|
||||
# (Note 1: This will need to be revisited if a system that Clang
|
||||
# supports has POSIX threads in a separate library. This tends not
|
||||
# to be the way of modern systems, but it's conceivable.)
|
||||
|
||||
# (Note 2: On some systems, notably Darwin, -pthread is not needed
|
||||
# to get POSIX threads support; the API is always present and
|
||||
# active. We could reasonably leave PTHREAD_CFLAGS empty. But
|
||||
# -pthread does define _REENTRANT, and while the Darwin headers
|
||||
# ignore this macro, third-party headers might not.)
|
||||
|
||||
PTHREAD_CFLAGS="-pthread"
|
||||
PTHREAD_LIBS=
|
||||
|
||||
ax_pthread_ok=yes
|
||||
|
||||
# However, older versions of Clang make a point of warning the user
|
||||
# that, in an invocation where only linking and no compilation is
|
||||
# taking place, the -pthread option has no effect ("argument unused
|
||||
# during compilation"). They expect -pthread to be passed in only
|
||||
# when source code is being compiled.
|
||||
#
|
||||
# Problem is, this is at odds with the way Automake and most other
|
||||
# C build frameworks function, which is that the same flags used in
|
||||
# compilation (CFLAGS) are also used in linking. Many systems
|
||||
# supported by AX_PTHREAD require exactly this for POSIX threads
|
||||
# support, and in fact it is often not straightforward to specify a
|
||||
# flag that is used only in the compilation phase and not in
|
||||
# linking. Such a scenario is extremely rare in practice.
|
||||
#
|
||||
# Even though use of the -pthread flag in linking would only print
|
||||
# a warning, this can be a nuisance for well-run software projects
|
||||
# that build with -Werror. So if the active version of Clang has
|
||||
# this misfeature, we search for an option to squash it.
|
||||
|
||||
AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
|
||||
# Create an alternate version of $ac_link that compiles and
|
||||
# links in two steps (.c -> .o, .o -> exe) instead of one
|
||||
# (.c -> exe), because the warning occurs only in the second
|
||||
# step
|
||||
ax_pthread_save_ac_link="$ac_link"
|
||||
ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
|
||||
ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
|
||||
ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
|
||||
AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
|
||||
CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[ac_link="$ax_pthread_2step_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[break])
|
||||
])
|
||||
done
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
|
||||
ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
|
||||
])
|
||||
|
||||
case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
|
||||
no | unknown) ;;
|
||||
*) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
|
||||
esac
|
||||
|
||||
fi # $ax_pthread_clang = yes
|
||||
|
||||
if test "x$ax_pthread_ok" = "xno"; then
|
||||
for ax_pthread_try_flag in $ax_pthread_flags; do
|
||||
|
||||
case $ax_pthread_try_flag in
|
||||
none)
|
||||
AC_MSG_CHECKING([whether pthreads work without any flags])
|
||||
;;
|
||||
|
||||
-mt,pthread)
|
||||
AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
|
||||
PTHREAD_CFLAGS="-mt"
|
||||
PTHREAD_LIBS="-lpthread"
|
||||
;;
|
||||
|
||||
-*)
|
||||
AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
|
||||
PTHREAD_CFLAGS="$ax_pthread_try_flag"
|
||||
;;
|
||||
|
||||
pthread-config)
|
||||
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
|
||||
AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
|
||||
PTHREAD_CFLAGS="`pthread-config --cflags`"
|
||||
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
|
||||
;;
|
||||
|
||||
*)
|
||||
AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
|
||||
PTHREAD_LIBS="-l$ax_pthread_try_flag"
|
||||
;;
|
||||
esac
|
||||
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
|
||||
# Check for various functions. We must include pthread.h,
|
||||
# since some functions may be macros. (On the Sequent, we
|
||||
# need a special flag -Kthread to make this header compile.)
|
||||
# We check for pthread_join because it is in -lpthread on IRIX
|
||||
# while pthread_create is in libc. We check for pthread_attr_init
|
||||
# due to DEC craziness with -lpthreads. We check for
|
||||
# pthread_cleanup_push because it is one of the few pthread
|
||||
# functions on Solaris that doesn't have a non-functional libc stub.
|
||||
# We try pthread_create on general principles.
|
||||
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
|
||||
# if $ax_pthread_check_cond
|
||||
# error "$ax_pthread_check_macro must be defined"
|
||||
# endif
|
||||
static void routine(void *a) { a = 0; }
|
||||
static void *start_routine(void *a) { return a; }],
|
||||
[pthread_t th; pthread_attr_t attr;
|
||||
pthread_create(&th, 0, start_routine, 0);
|
||||
pthread_join(th, 0);
|
||||
pthread_attr_init(&attr);
|
||||
pthread_cleanup_push(routine, 0);
|
||||
pthread_cleanup_pop(0) /* ; */])],
|
||||
[ax_pthread_ok=yes],
|
||||
[])
|
||||
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
|
||||
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
done
|
||||
fi
|
||||
|
||||
# Various other checks:
|
||||
if test "x$ax_pthread_ok" = xyes; then
|
||||
save_LIBS="$LIBS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
save_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
if test "x$ax_pthread_ok" = "xyes"; then
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
|
||||
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
|
||||
AC_MSG_CHECKING([for joinable pthread attribute])
|
||||
attr_name=unknown
|
||||
for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
|
||||
[int attr = $attr; return attr /* ; */])],
|
||||
[attr_name=$attr; break],
|
||||
[])
|
||||
done
|
||||
AC_MSG_RESULT([$attr_name])
|
||||
if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
|
||||
AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name],
|
||||
[Define to necessary symbol if this constant
|
||||
uses a non-standard name on your system.])
|
||||
fi
|
||||
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
|
||||
AC_CACHE_CHECK([for joinable pthread attribute],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=unknown
|
||||
for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
|
||||
[int attr = $ax_pthread_attr; return attr /* ; */])],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
|
||||
[])
|
||||
done
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
|
||||
test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
|
||||
test "x$ax_pthread_joinable_attr_defined" != "xyes"],
|
||||
[AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
|
||||
[$ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[Define to necessary symbol if this constant
|
||||
uses a non-standard name on your system.])
|
||||
ax_pthread_joinable_attr_defined=yes
|
||||
])
|
||||
|
||||
AC_MSG_CHECKING([if more special flags are required for pthreads])
|
||||
flag=no
|
||||
case ${host_os} in
|
||||
aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
|
||||
osf* | hpux*) flag="-D_REENTRANT";;
|
||||
solaris*)
|
||||
if test "$GCC" = "yes"; then
|
||||
flag="-D_REENTRANT"
|
||||
else
|
||||
# TODO: What about Clang on Solaris?
|
||||
flag="-mt -D_REENTRANT"
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
AC_MSG_RESULT([$flag])
|
||||
if test "x$flag" != xno; then
|
||||
PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
|
||||
fi
|
||||
AC_CACHE_CHECK([whether more special flags are required for pthreads],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS=no
|
||||
case $host_os in
|
||||
solaris*)
|
||||
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
|
||||
;;
|
||||
esac
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
|
||||
test "x$ax_pthread_special_flags_added" != "xyes"],
|
||||
[PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
|
||||
ax_pthread_special_flags_added=yes])
|
||||
|
||||
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT], [
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
|
||||
[[int i = PTHREAD_PRIO_INHERIT;]])],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=no])
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
|
||||
[AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])])
|
||||
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT],
|
||||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
|
||||
[[int i = PTHREAD_PRIO_INHERIT;]])],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=no])
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
|
||||
test "x$ax_pthread_prio_inherit_defined" != "xyes"],
|
||||
[AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
|
||||
ax_pthread_prio_inherit_defined=yes
|
||||
])
|
||||
|
||||
LIBS="$save_LIBS"
|
||||
CFLAGS="$save_CFLAGS"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
|
||||
# More AIX lossage: compile with *_r variant
|
||||
if test "x$GCC" != xyes; then
|
||||
case $host_os in
|
||||
aix*)
|
||||
AS_CASE(["x/$CC"],
|
||||
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
|
||||
[#handle absolute path differently from PATH based program lookup
|
||||
AS_CASE(["x$CC"],
|
||||
[x/*],
|
||||
[AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
|
||||
[AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
# More AIX lossage: compile with *_r variant
|
||||
if test "x$GCC" != "xyes"; then
|
||||
case $host_os in
|
||||
aix*)
|
||||
AS_CASE(["x/$CC"],
|
||||
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
|
||||
[#handle absolute path differently from PATH based program lookup
|
||||
AS_CASE(["x$CC"],
|
||||
[x/*],
|
||||
[AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
|
||||
[AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
|
||||
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
|
||||
|
|
@ -321,12 +474,12 @@ AC_SUBST([PTHREAD_CFLAGS])
|
|||
AC_SUBST([PTHREAD_CC])
|
||||
|
||||
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
|
||||
if test x"$ax_pthread_ok" = xyes; then
|
||||
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
|
||||
:
|
||||
if test "x$ax_pthread_ok" = "xyes"; then
|
||||
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
|
||||
:
|
||||
else
|
||||
ax_pthread_ok=no
|
||||
$2
|
||||
ax_pthread_ok=no
|
||||
$2
|
||||
fi
|
||||
AC_LANG_POP
|
||||
])dnl AX_PTHREAD
|
||||
|
|
|
|||
Loading…
Reference in a new issue