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AX_CPP_CHECK_FLAG(FLAG-TO-CHECK,[PROLOGUE],[BODY],[ACTION-IF-SUCCESS],[ACTION-IF-FAILURE])
This macro tests if the C preprocessor supports the flag FLAG-TO-CHECK. If successfull execute ACTION-IF-SUCCESS otherwise ACTION-IF-FAILURE. PROLOGUE and BODY are optional and should be used as in AC_LANG_PROGRAM macro.
This code is inspired from KDE_CHECK_COMPILER_FLAG macro. Thanks to Bogdan Drozdowski <bogdandr@op.pl> for testing and bug fixes.
http://autoconf-archive.cryp.to/ax_cpp_check_flag.m4
Copyright © 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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