fanquake
5 years ago
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1d0a87e712
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_boost_chrono.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_CHRONO
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#
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# DESCRIPTION
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#
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# Test for Chrono 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_CHRONO_LIB)
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#
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# And sets:
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#
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# HAVE_BOOST_CHRONO
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#
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# LICENSE
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#
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# Copyright (c) 2012 Xiyue Deng <manphiz@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 5
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AC_DEFUN([AX_BOOST_CHRONO],
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[
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AC_ARG_WITH([boost-chrono],
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AS_HELP_STRING([--with-boost-chrono@<:@=special-lib@:>@],
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[use the Chrono library from boost - it is possible to specify a certain library for the linker
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e.g. --with-boost-chrono=boost_chrono-gcc-mt ]),
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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_chrono_lib=""
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else
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want_boost="yes"
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ax_boost_user_chrono_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 $BOOST_LDFLAGS"
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export LDFLAGS
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AC_CACHE_CHECK(whether the Boost::Chrono library is available,
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ax_cv_boost_chrono,
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[AC_LANG_PUSH([C++])
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CXXFLAGS_SAVE=$CXXFLAGS
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/chrono.hpp>]],
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[[boost::chrono::system_clock::time_point* time = new boost::chrono::system_clock::time_point; delete time;]])],
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ax_cv_boost_chrono=yes, ax_cv_boost_chrono=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_chrono" = "xyes"; then
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AC_SUBST(BOOST_CPPFLAGS)
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AC_DEFINE(HAVE_BOOST_CHRONO,,[define if the Boost::Chrono 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_chrono_lib" = "x"; then
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for libextension in `ls $BOOSTLIBDIR/libboost_chrono*.so* $BOOSTLIBDIR/libboost_chrono*.dylib* $BOOSTLIBDIR/libboost_chrono*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_chrono.*\)\.so.*$;\1;' -e 's;^lib\(boost_chrono.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_chrono.*\)\.a.*$;\1;'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
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[link_chrono="no"])
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done
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if test "x$link_chrono" != "xyes"; then
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for libextension in `ls $BOOSTLIBDIR/boost_chrono*.dll* $BOOSTLIBDIR/boost_chrono*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_chrono.*\)\.dll.*$;\1;' -e 's;^\(boost_chrono.*\)\.a.*$;\1;'` ; do
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ax_lib=${libextension}
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
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[link_chrono="no"])
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done
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fi
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else
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for ax_lib in $ax_boost_user_chrono_lib boost_chrono-$ax_boost_user_chrono_lib; do
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AC_CHECK_LIB($ax_lib, exit,
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[BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
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[link_chrono="no"])
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done
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fi
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if test "x$ax_lib" = "x"; then
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AC_MSG_ERROR(Could not find a version of the Boost::Chrono library!)
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fi
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if test "x$link_chrono" = "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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