aria2/m4/inttypes-pri.m4

# inttypes-pri.m4 serial 4 (gettext-0.16)
dnl Copyright (C) 1997-2002, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl From Bruno Haible.

AC_PREREQ(2.52)

# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
# macros to non-string values.  This is the case on AIX 4.3.3.

AC_DEFUN([gt_INTTYPES_PRI],
[
  AC_CHECK_HEADERS([inttypes.h])
  if test $ac_cv_header_inttypes_h = yes; then
    AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
      gt_cv_inttypes_pri_broken,
      [
        AC_TRY_COMPILE([#include <inttypes.h>
#ifdef PRId32
char *p = PRId32;
#endif
], [], gt_cv_inttypes_pri_broken=no, gt_cv_inttypes_pri_broken=yes)
      ])
  fi
  if test "$gt_cv_inttypes_pri_broken" = yes; then
    AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
      [Define if <inttypes.h> exists and defines unusable PRI* macros.])
    PRI_MACROS_BROKEN=1
  else
    PRI_MACROS_BROKEN=0
  fi
  AC_SUBST([PRI_MACROS_BROKEN])
])