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

   1 # We check two things: where the include file is for cinttypes. We
   2 # include AC_TRY_COMPILE for all the combinations we've seen in the
   3 # wild.  We define one of HAVE_CINTTYPES or HAVE_TR1_CINTTYPES or
   4 # HAVE_BOOST_CINTTYPES depending
   5 # on location.
   6
   7 AC_DEFUN([PANDORA_CXX_CINTTYPES],
   8   [AC_REQUIRE([PANDORA_CXX_CSTDINT])
   9    AC_MSG_CHECKING(the location of cinttypes)
  10    AC_LANG_PUSH(C++)
  11    ac_cv_cxx_cinttypes=""
  12    for location in tr1/cinttypes boost/cinttypes cinttypes; do
  13      if test -z "$ac_cv_cxx_cinttypes"; then
  14        AC_TRY_COMPILE([#include $ac_cv_cxx_cstdint;
  15                        #include <$location>],
  16                       [uint32_t foo= UINT32_C(1)],
  17                       [ac_cv_cxx_cinttypes="<$location>";])
  18      fi
  19    done
  20    AC_LANG_POP()
  21    if test -n "$ac_cv_cxx_cinttypes"; then
  22       AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  23    else
  24       AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
  25       ac_cv_cxx_cinttypes="<inttypes.h>"
  26       AC_MSG_RESULT()
  27       AC_MSG_WARN([Could not find a cinttypes header.])
  28    fi
  29    AC_DEFINE_UNQUOTED(CINTTYPES_H,$ac_cv_cxx_cinttypes,
  30                       [the location of <cinttypes>])
  31 ])