1 # inttypes_h.m4 serial 6 2 dnl Copyright (C) 1997-2004 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 Paul Eggert. 8 9 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists, 10 # doesn't clash with <sys/types.h>, and declares uintmax_t. 11 12 AC_DEFUN([gl_AC_HEADER_INTTYPES_H], 13 [ 14 AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h, 15 [AC_TRY_COMPILE( 16 [#include <sys/types.h> 17 #include <inttypes.h>], 18 [uintmax_t i = (uintmax_t) -1;], 19 gl_cv_header_inttypes_h=yes, 20 gl_cv_header_inttypes_h=no)]) 21 if test $gl_cv_header_inttypes_h = yes; then 22 AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1, 23 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, 24 and declares uintmax_t. ]) 25 fi 26 ]) 27