git.m6w6.name Git - m6w6/libmemcached/blob - m4/pandora_cinttypes.m4

   1 # Copyright (C) 2008 Sun Microsystems, Inc.
   2 # This file is free software; Sun Microsystems, Inc.
   3 # gives unlimited permission to copy and/or distribute it,
   4 # with or without modifications, as long as this notice is preserved.
   5
   6 # We check two things: where the include file is for cinttypes. We
   7 # include AC_TRY_COMPILE for all the combinations we've seen in the
   8 # wild.  We define one of HAVE_CINTTYPES or HAVE_TR1_CINTTYPES or
   9 # HAVE_BOOST_CINTTYPES depending
  10 # on location.
  11
  12 AC_DEFUN([PANDORA_CXX_CINTTYPES],
  13   [AC_REQUIRE([PANDORA_CXX_CSTDINT])
  14    AC_MSG_CHECKING(the location of cinttypes)
  15    AC_LANG_PUSH(C++)
  16    save_CXXFLAGS="${CXXFLAGS}"
  17    CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
  18    ac_cv_cxx_cinttypes=""
  19    for location in tr1/cinttypes boost/cinttypes cinttypes; do
  20      if test -z "$ac_cv_cxx_cinttypes"; then
  21        AC_TRY_COMPILE([#include $ac_cv_cxx_cstdint;
  22                        #include <$location>],
  23                       [uint32_t foo= UINT32_C(1)],
  24                       [ac_cv_cxx_cinttypes="<$location>";])
  25      fi
  26    done
  27    AC_LANG_POP()
  28    CXXFLAGS="${save_CXXFLAGS}"
  29    if test -n "$ac_cv_cxx_cinttypes"; then
  30       AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  31    else
  32       ac_cv_cxx_cinttypes="<inttypes.h>"
  33       AC_MSG_RESULT()
  34       AC_MSG_WARN([Could not find a cinttypes header.])
  35    fi
  36    AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
  37    AC_DEFINE_UNQUOTED(CINTTYPES_H,$ac_cv_cxx_cinttypes,
  38                       [the location of <cinttypes>])
  39 ])