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# ===========================================================================
# http://autoconf-archive.cryp.to/ax_boost_program_options.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_BOOST_PROGRAM_OPTIONS
#
# DESCRIPTION
#
# Test for program options library from the Boost C++ libraries. The macro
# requires a preceding call to AX_BOOST_BASE. Further documentation is
# available at <http://randspringer.de/boost/index.html>.
#
# This macro calls:
#
# AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB)
#
# And sets:
#
# HAVE_BOOST_PROGRAM_OPTIONS
#
# LAST MODIFICATION
#
# 2008-04-12
#
# COPYLEFT
#
# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
#
# 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_PROGRAM_OPTIONS],
[
AC_ARG_WITH([boost-program-options],
AS_HELP_STRING([--with-boost-program-options@<:@=special-lib@:>@],
                       [use the program options library from boost - it is possible to specify a certain library for the linker
                        e.g. --with-boost-program-options=boost_program_options-gcc-mt-1_33_1 ]),
        [
        if test "$withval" = "no"; then
want_boost="no"
        elif test "$withval" = "yes"; then
            want_boost="yes"
            ax_boost_user_program_options_lib=""
        else
want_boost="yes"
         ax_boost_user_program_options_lib="$withval"
fi
        ],
        [want_boost="yes"]
)

if test "x$want_boost" = "xyes"; then
        AC_REQUIRE([AC_PROG_CXX])
export want_boost
CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS
LDFLAGS_SAVED="$LDFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS
AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
ax_cv_boost_program_options,
[AC_LANG_PUSH(C++)
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
                                                          ]],
                                  [[boost::program_options::options_description generic("Generic options");
                                   return 0;]]),
                           ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
AC_LANG_POP([C++])
])
if test "$ax_cv_boost_program_options" = yes; then
AC_DEFINE(HAVE_BOOST_PROGRAM_OPTIONS,,[define if the Boost::PROGRAM_OPTIONS library is available])
                  BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
                if test "x$ax_boost_user_program_options_lib" = "x"; then
                for libextension in `ls $BOOSTLIBDIR/libboost_program_options*.{so,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_program_options.*\)\.so.*$;\1;' -e 's;^lib\(boost_program_options.*\)\.a*$;\1;'` ; do
                     ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit,
                                 [BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
                                 [link_program_options="no"])
   done
                if test "x$link_program_options" != "xyes"; then
                for libextension in `ls $BOOSTLIBDIR/boost_program_options*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_program_options.*\)\.dll.*$;\1;' -e 's;^\(boost_program_options.*\)\.a*$;\1;'` ; do
                     ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit,
                                 [BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
                                 [link_program_options="no"])
   done
                fi
                else
                  for ax_lib in $ax_boost_user_program_options_lib boost_program_options-$ax_boost_user_program_options_lib; do
AC_CHECK_LIB($ax_lib, main,
                                   [BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
                                   [link_program_options="no"])
                  done
                fi
if test "x$link_program_options" != "xyes"; then
AC_MSG_ERROR([Could not link against [$ax_lib] !])
fi
fi
CPPFLAGS="$CPPFLAGS_SAVED"
     LDFLAGS="$LDFLAGS_SAVED"
fi
])
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