mirror of
https://github.com/matrix-construct/construct
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123 lines
3.9 KiB
Text
123 lines
3.9 KiB
Text
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_boost_context.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_CONTEXT
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#
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# DESCRIPTION
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#
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# Test for Context library from the Boost C++ libraries. The macro
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# requires a preceding call to AX_BOOST_BASE. Further documentation is
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# available at <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_CONTEXT_LIB)
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#
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# And sets:
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#
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# HAVE_BOOST_CONTEXT
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#
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# LICENSE
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#
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# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
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# Copyright (c) 2008 Michael Tindal
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# Copyright (c) 2013 Daniel Casimiro <dan.casimiro@gmail.com>
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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 2
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AC_DEFUN([AX_BOOST_CONTEXT],
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[
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AC_ARG_WITH([boost-context],
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AS_HELP_STRING([--with-boost-context@<:@=special-lib@:>@],
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[use the Context library from boost - it is possible to specify a certain library for the linker
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e.g. --with-boost-context=boost_context-gcc-mt ]), [
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if test "$withval" = "no"; then
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want_boost="no"
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elif test "$withval" = "yes"; then
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want_boost="yes"
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ax_boost_user_context_lib=""
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else
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want_boost="yes"
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ax_boost_user_context_lib="$withval"
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fi
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], [want_boost="yes"]
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)
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if test "x$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 $BOOST_LDFLAGS"
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export LDFLAGS
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AC_CACHE_CHECK(whether the Boost::Context library is available,
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ax_cv_boost_context,
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[AC_LANG_PUSH([C++])
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CXXFLAGS_SAVE=$CXXFLAGS
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[@%:@include <boost/context/all.hpp>]],
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[[/*boost::context::fcontext_t* fc = boost::context::make_fcontext(0, 0, 0);*/]])],
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ax_cv_boost_context=yes, ax_cv_boost_context=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_context" = "xyes"; then
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AC_SUBST(BOOST_CPPFLAGS)
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AC_DEFINE(HAVE_BOOST_CONTEXT,,[define if the Boost::Context library is available])
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BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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if test "x$ax_boost_user_context_lib" = "x"; then
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for libextension in `ls $BOOSTLIBDIR/libboost_context*.so* $BOOSTLIBDIR/libboost_context*.dylib* $BOOSTLIBDIR/libboost_context*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_context.*\)\.so.*$;\1;' -e 's;^lib\(boost_context.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_context.*\)\.a.*$;\1;'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CONTEXT_LIB="-l$ax_lib"; AC_SUBST(BOOST_CONTEXT_LIB) link_context="yes"; break],
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[link_context="no"])
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done
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if test "x$link_context" != "xyes"; then
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for libextension in `ls $BOOSTLIBDIR/boost_context*.dll* $BOOSTLIBDIR/boost_context*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_context.*\)\.dll.*$;\1;' -e 's;^\(boost_context.*\)\.a.*$;\1;'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CONTEXT_LIB="-l$ax_lib"; AC_SUBST(BOOST_CONTEXT_LIB) link_context="yes"; break],
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[link_context="no"])
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done
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fi
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else
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for ax_lib in $ax_boost_user_context_lib boost_context-$ax_boost_user_context_lib; do
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CONTEXT_LIB="-l$ax_lib"; AC_SUBST(BOOST_CONTEXT_LIB) link_context="yes"; break],
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[link_context="no"])
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done
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fi
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if test "x$ax_lib" = "x"; then
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AC_MSG_ERROR(Could not find a version of the library!)
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fi
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if test "x$link_context" = "xno"; then
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AC_MSG_ERROR(Could not link against $ax_lib !)
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fi
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fi
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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fi
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])
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