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# We check two things: where the include file is for cstdint. We
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# include AC_TRY_COMPILE for all the combinations we've seen in the
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# wild. We define one of HAVE_CSTDINT or HAVE_TR1_CSTDINT or
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# HAVE_BOOST_CSTDINT depending
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AC_DEFUN([PANDORA_CXX_CSTDINT],
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[AC_MSG_CHECKING(the location of cstdint)
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save_CXXFLAGS="${CXXFLAGS}"
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CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
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for location in tr1/cstdint boost/cstdint cstdint; do
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if test -z "$ac_cv_cxx_cstdint"; then
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AC_TRY_COMPILE([#include <$location>],
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[ac_cv_cxx_cstdint="<$location>";])
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CXXFLAGS="${save_CXXFLAGS}"
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if test -n "$ac_cv_cxx_cstdint"; then
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AC_MSG_RESULT([$ac_cv_cxx_cstdint])
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AC_DEFINE([__STDC_CONSTANT_MACROS],[1],[Use STDC Constant Macros in C++])
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AC_DEFINE([__STDC_FORMAT_MACROS],[1],[Use STDC Format Macros in C++])
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ac_cv_cxx_cstdint="<stdint.h>"
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AC_MSG_WARN([Could not find a cstdint header.])
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AC_DEFINE_UNQUOTED(CSTDINT_H,$ac_cv_cxx_cstdint,
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[the location of <cstdint>])