tools/missing-macros/src/m4/inttypes-pri.m4

   1 # inttypes-pri.m4 serial 6 (gettext-0.18)
   2 dnl Copyright (C) 1997-2002, 2006, 2008-2010 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 dnl From Bruno Haible.
   8
   9 AC_PREREQ([2.52])
  10
  11 # Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
  12 # macros to non-string values.  This is the case on AIX 4.3.3.
  13
  14 AC_DEFUN([gt_INTTYPES_PRI],
  15 [
  16   AC_CHECK_HEADERS([inttypes.h])
  17   if test $ac_cv_header_inttypes_h = yes; then
  18     AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
  19       [gt_cv_inttypes_pri_broken],
  20       [
  21         AC_TRY_COMPILE([#include <inttypes.h>
  22 #ifdef PRId32
  23 char *p = PRId32;
  24 #endif
  25 ], [], [gt_cv_inttypes_pri_broken=no], [gt_cv_inttypes_pri_broken=yes])
  26       ])
  27   fi
  28   if test "$gt_cv_inttypes_pri_broken" = yes; then
  29     AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
  30       [Define if <inttypes.h> exists and defines unusable PRI* macros.])
  31     PRI_MACROS_BROKEN=1
  32   else
  33     PRI_MACROS_BROKEN=0
  34   fi
  35   AC_SUBST([PRI_MACROS_BROKEN])
  36 ])