2016-07-31 02:48:53 +02:00
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_boost_system.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_SYSTEM
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#
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# DESCRIPTION
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#
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# Test for System 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_SYSTEM_LIB)
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#
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# And sets:
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#
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# HAVE_BOOST_SYSTEM
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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) 2008 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 18
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AC_DEFUN([AX_BOOST_SYSTEM],
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[
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AC_ARG_WITH([boost-system],
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2020-05-09 00:14:44 +02:00
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RB_HELP_STRING([--with-boost-system@<:@=special-lib@:>@],
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[use the System library from boost - it is possible to specify a certain library for the linker e.g. --with-boost-system=boost_system-gcc-mt ]),
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2016-07-31 02:48:53 +02:00
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[
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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_system_lib=""
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else
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want_boost="yes"
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ax_boost_user_system_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 $BOOST_LDFLAGS"
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export LDFLAGS
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AC_CACHE_CHECK(whether the Boost::System library is available,
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ax_cv_boost_system,
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[AC_LANG_PUSH([C++])
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CXXFLAGS_SAVE=$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::error_category *a = 0;]])],
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ax_cv_boost_system=yes, ax_cv_boost_system=no)
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CXXFLAGS=$CXXFLAGS_SAVE
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AC_LANG_POP([C++])
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])
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if test "x$ax_cv_boost_system" = "xyes"; then
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AC_SUBST(BOOST_CPPFLAGS)
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AC_DEFINE(HAVE_BOOST_SYSTEM,,[define if the Boost::System 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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if test "x$ax_boost_user_system_lib" = "x"; then
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for libextension in `ls -r $BOOSTLIBDIR/libboost_system* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
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[link_system="no"])
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done
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if test "x$link_system" != "xyes"; then
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for libextension in `ls -r $BOOSTLIBDIR/boost_system* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
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[link_system="no"])
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done
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fi
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else
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for ax_lib in $ax_boost_user_system_lib boost_system-$ax_boost_user_system_lib; do
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
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[link_system="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_system" = "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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