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# ===========================================================================
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# ===========================================================================
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# Copyright (c) 2012 Brian Aker` <brian@tangent.org>
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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AC_DEFUN([AX_CXX_CINTTYPES], [
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AC_REQUIRE([AC_PROG_CXX])
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AC_REQUIRE([AC_PROG_CXXCPP])
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AC_REQUIRE([AX_CXX_CSTDINT])
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AC_CACHE_CHECK([for location of cinttypes], [ac_cv_cxx_cinttypes], [
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CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
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AC_LANG_PROGRAM([#include <cinttypes>], [
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uint32_t foo= UINT32_C(1);
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[ac_cxx_cinttypes_cinttypes="<cinttypes>"])
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# Look for tr1/cinttypes
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AC_LANG_PROGRAM([#include <tr1/cinttypes>], [
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uint32_t foo= UINT32_C(1);
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[ac_cxx_cinttypes_tr1_cinttypes="<tr1/cinttypes>"])
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# Look for boost/cinttypes.hpp
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AC_LANG_PROGRAM([#include <boost/cinttypes.hpp>], [
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uint32_t foo= UINT32_C(1);
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[ac_cxx_cinttypes_boost_cinttypes_hpp="<boost/cinttypes.hpp>"])
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AS_IF([test -n "$ac_cxx_cinttypes_cinttypes"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_cinttypes],
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[test -n "$ac_cxx_cinttypes_tr1_cinttypes"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_tr1_cinttypes],
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[test -n "$ac_cxx_cinttypes_boost_cinttypes_hpp"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_boost_cinttypes_hpp])
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AS_IF([ test -n "$ac_cv_cxx_cinttypes"], [
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AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
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ac_cv_cxx_cinttypes="<inttypes.h>"
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AC_MSG_WARN([Could not find a cinttypes header.])
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AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
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AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
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AC_DEFINE_UNQUOTED([CINTTYPES_H],[$ac_cv_cxx_cinttypes],[the location of <cinttypes>])