fanquake
4 years ago
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_boost_thread.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_THREAD
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#
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# DESCRIPTION
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#
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# Test for Thread library from the Boost C++ libraries. The macro requires
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# a preceding call to AX_BOOST_BASE. Further documentation is available at
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# <http://randspringer.de/boost/index.html>.
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#
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# This macro calls:
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#
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# AC_SUBST(BOOST_THREAD_LIB)
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#
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# And sets:
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#
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# HAVE_BOOST_THREAD
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#
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# LICENSE
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#
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# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
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# Copyright (c) 2009 Michael Tindal
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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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 33
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AC_DEFUN([AX_BOOST_THREAD],
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[
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AC_ARG_WITH([boost-thread],
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AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@],
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[use the Thread library from boost -
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it is possible to specify a certain library for the linker
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e.g. --with-boost-thread=boost_thread-gcc-mt ]),
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[
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if test "$withval" = "yes"; then
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want_boost="yes"
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ax_boost_user_thread_lib=""
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else
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want_boost="yes"
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ax_boost_user_thread_lib="$withval"
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fi
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],
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[want_boost="yes"]
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)
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if test "x$want_boost" = "xyes"; then
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AC_CANONICAL_BUILD])
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS_SAVED="$LDFLAGS"
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AC_CACHE_CHECK(whether the Boost::Thread library is available,
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ax_cv_boost_thread,
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[AC_LANG_PUSH([C++])
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CXXFLAGS_SAVE=$CXXFLAGS
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case "x$host_os" in
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xsolaris )
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CXXFLAGS="-pthreads $CXXFLAGS"
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break;
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;;
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xmingw32 )
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CXXFLAGS="-mthreads $CXXFLAGS"
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break;
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;;
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*android* )
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break;
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;;
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* )
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CXXFLAGS="-pthread $CXXFLAGS"
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break;
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;;
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esac
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM(
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[[@%:@include <boost/thread/thread.hpp>]],
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[[boost::thread_group thrds;
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return 0;]])],
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ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
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CXXFLAGS=$CXXFLAGS_SAVE
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AC_LANG_POP([C++])
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])
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if test "x$ax_cv_boost_thread" = "xyes"; then
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case "x$host_os" in
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xsolaris )
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BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
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break;
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;;
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xmingw32 )
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BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
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break;
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;;
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*android* )
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break;
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;;
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* )
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BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
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break;
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;;
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esac
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AC_SUBST(BOOST_CPPFLAGS)
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AC_DEFINE(HAVE_BOOST_THREAD,,
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[define if the Boost::Thread library is available])
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BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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LDFLAGS_SAVE=$LDFLAGS
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case "x$host_os" in
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*bsd* )
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LDFLAGS="-pthread $LDFLAGS"
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break;
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;;
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esac
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if test "x$ax_boost_user_thread_lib" = "x"; then
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for libextension in `ls -r $BOOSTLIBDIR/libboost_thread* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'`; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[link_thread="yes"; break],
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[link_thread="no"])
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done
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if test "x$link_thread" != "xyes"; then
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for libextension in `ls -r $BOOSTLIBDIR/boost_thread* 2>/dev/null | sed 's,.*/,,' | sed 's,\..*,,'`; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[link_thread="yes"; break],
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[link_thread="no"])
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done
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fi
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else
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for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do
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AC_CHECK_LIB($ax_lib, exit,
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[link_thread="yes"; break],
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[link_thread="no"])
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done
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fi
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if test "x$ax_lib" = "x"; then
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AC_MSG_ERROR(Could not find a version of the Boost::Thread library!)
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fi
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if test "x$link_thread" = "xno"; then
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AC_MSG_ERROR(Could not link against $ax_lib !)
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else
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BOOST_THREAD_LIB="-l$ax_lib"
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case "x$host_os" in
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*bsd* )
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BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
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break;
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;;
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xsolaris )
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BOOST_THREAD_LIB="$BOOST_THREAD_LIB -lpthread"
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break;
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;;
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xmingw32 )
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break;
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;;
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*android* )
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break;
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;;
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* )
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BOOST_THREAD_LIB="$BOOST_THREAD_LIB -lpthread"
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break;
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;;
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esac
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AC_SUBST(BOOST_THREAD_LIB)
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fi
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fi
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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fi
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])
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