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Viewing changes to m4/cxx_cstdint.m4

  • Committer: Brian Aker
  • Date: 2008-09-04 19:31:00 UTC
  • Revision ID: brian@tangent.org-20080904193100-l849hgghfy4urj43
Changing default character set from this point on.

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m4/cxx_cstdint.m4
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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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# on location.
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AC_DEFUN([AC_CXX_CSTDINT],
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  [AC_MSG_CHECKING(the location of cstdint)
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  AC_LANG_SAVE
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   AC_LANG_CPLUSPLUS
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   ac_cv_cxx_cstdint=""
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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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                      [uint32_t t],
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                      [ac_cv_cxx_cstdint="<$location>";])
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     fi
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   done
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   if test -n "$ac_cv_cxx_cstdint"; then
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      AC_MSG_RESULT([$ac_cv_cxx_cstdint])
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   else
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      CXXFLAGS="${CXXFLAGS}  -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
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      ac_cv_cxx_cstdint="<stdint.h>"
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      AC_MSG_RESULT()
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      AC_MSG_WARN([Could not find a cstdint header.])
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   fi
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   AC_DEFINE_UNQUOTED(CSTDINT_H,$ac_cv_cxx_cstdint,
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                      [the location of <cstdint>])
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])