AX_BOOST_REGEX
, 
, 

2006年06月15日

Thomas Porschberg <thomas@randspringer.de> Michael Tindal <mtindal@paradoxpoint.com>

AllPermissive
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. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

cryp.to ac-archive's C++ Support (released)

Test for Regex 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_REGEX_LIB)

And sets:

 HAVE_BOOST_REGEX

AC_DEFUN([AX_BOOST_REGEX],
[
	AC_ARG_WITH([boost-regex],
	AS_HELP_STRING([--with-boost-regex@<:@=special-lib@:>@],
 [use the Regex library from boost - it is possible to specify a certain library for the linker
 e.g. --with-boost-regex=boost_regex-gcc-mt-d-1_33_1 ]),
 [
 if test "$withval" = "no"; then
			want_boost="no"
 elif test "$withval" = "yes"; then
 want_boost="yes"
 ax_boost_user_regex_lib=""
 else
		 want_boost="yes"
 	ax_boost_user_regex_lib="$withval"
		fi
 ],
 [want_boost="no"]
	)
	if test "x$want_boost" = "xyes"; then
 AC_REQUIRE([AC_PROG_CC])
		CPPFLAGS_SAVED="$CPPFLAGS"
		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
		export CPPFLAGS
		LDFLAGS_SAVED="$LDFLAGS"
		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
		export LDFLAGS
 AC_CACHE_CHECK(whether the Boost::Regex library is available,
					 ax_cv_boost_regex,
 [AC_LANG_PUSH([C++])
			 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/regex.hpp>
												]],
 [[boost::regex r(); return 0;]]),
 ax_cv_boost_regex=yes, ax_cv_boost_regex=no)
 AC_LANG_POP([C++])
		])
		if test "x$ax_cv_boost_regex" = "xyes"; then
			AC_DEFINE(HAVE_BOOST_REGEX,,[define if the Boost::Regex library is available])
			BN=boost_regex
 if test "x$ax_boost_user_regex_lib" = "x"; then
				for ax_lib in $BN $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
 lib$BN lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
 $BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
				 AC_CHECK_LIB($ax_lib, main, [BOOST_REGEX_LIB="-l$ax_lib" AC_SUBST(BOOST_REGEX_LIB) link_regex="yes" break],
 [link_regex="no"])
 				done
 else
 for ax_lib in $ax_boost_user_regex_lib $BN-$ax_boost_user_regex_lib; do
				 AC_CHECK_LIB($ax_lib, main,
 [BOOST_REGEX_LIB="-l$ax_lib" AC_SUBST(BOOST_REGEX_LIB) link_regex="yes" break],
 [link_regex="no"])
 done
 fi
			if test "x$link_regex" = "xno"; then
				AC_MSG_ERROR(Could not link against $ax_lib !)
			fi
		fi
		CPPFLAGS="$CPPFLAGS_SAVED"
 	LDFLAGS="$LDFLAGS_SAVED"
	fi
])