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#
# SYNOPSIS
#
# AX_BOOST_THREAD
#
# DESCRIPTION
#
# Test for Thread library from the Boost C++ libraries.
#
# This macro calls:
#
# AC_SUBST(BOOST_THREAD_LIB)
# AC_SUBST(BOOST_CXXFLAGS)
#
# And sets:
#
# HAVE_BOOST_THREAD
#
# COPYLEFT
#
# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
# Copyright (c) 2008 Michael Tindal
# Copyright (c) 2008 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved.
AC_DEFUN([AX_BOOST_THREAD],
[
AC_REQUIRE([AX_BOOST_BASE])
AC_REQUIRE([ACX_PTHREAD])
_AX_BOOST_WITH([boost_thread])
if test "$want_boost" = "yes"; then
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_CANONICAL_HOST])
CPPFLAGS_SAVED="$CPPFLAGS"
LDFLAGS_SAVED="$LDFLAGS"
CXXFLAGS_SAVED="$CXXFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS $PTHREAD_LIBS"
CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
AC_CACHE_CHECK([whether the boost::thread includes are available],
[ax_cv_boost_thread],
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]],
[[boost::thread_group thrds;
return 0;]])],
[ax_cv_boost_thread=yes], [ax_cv_boost_thread=no])
AC_LANG_POP([C++])
])
if test "$ax_cv_boost_thread" = "yes"; then
BOOST_CXXFLAGS="$PTHREAD_CFLAGS"
AC_SUBST([BOOST_CXXFLAGS])
_AX_BOOST_CHECK_LIB([boost_thread])
if test "$link_ok" = "yes" && test -n "$PTHREAD_LIBS"; then
BOOST_THREAD_LIB="$BOOST_THREAD_LIB $PTHREAD_LIBS"
fi
fi
CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED"
CXXFLAGS="$CXXFLAGS_SAVED"
fi
])
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