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pandora_cinttypes.m4
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pandora_cinttypes.m4
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# We check two things: where the include file is for cinttypes. We
# include AC_TRY_COMPILE for all the combinations we've seen in the
# wild. We define one of HAVE_CINTTYPES or HAVE_TR1_CINTTYPES or
# HAVE_BOOST_CINTTYPES depending
# on location.
AC_DEFUN([PANDORA_CXX_CINTTYPES],
[AC_REQUIRE([PANDORA_CXX_CSTDINT])
AC_MSG_CHECKING(the location of cinttypes)
AC_LANG_PUSH(C++)
save_CXXFLAGS="${CXXFLAGS}"
CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
ac_cv_cxx_cinttypes=""
for location in tr1/cinttypes boost/cinttypes cinttypes; do
if test -z "$ac_cv_cxx_cinttypes"; then
AC_TRY_COMPILE([#include $ac_cv_cxx_cstdint;
#include <$location>],
[uint32_t foo= UINT32_C(1)],
[ac_cv_cxx_cinttypes="<$location>";])
fi
done
AC_LANG_POP()
CXXFLAGS="${save_CXXFLAGS}"
if test -n "$ac_cv_cxx_cinttypes"; then
AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
else
ac_cv_cxx_cinttypes="<inttypes.h>"
AC_MSG_RESULT()
AC_MSG_WARN([Could not find a cinttypes header.])
fi
AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
AC_DEFINE_UNQUOTED(CINTTYPES_H,$ac_cv_cxx_cinttypes,
[the location of <cinttypes>])
])