diff options
Diffstat (limited to 'm4/inttypes_h.m4')
| -rw-r--r-- | m4/inttypes_h.m4 | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4 index edc8ecb..5f05ac5 100644 --- a/m4/inttypes_h.m4 +++ b/m4/inttypes_h.m4 @@ -1,5 +1,5 @@ -# inttypes_h.m4 serial 7 -dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc. +# inttypes_h.m4 serial 10 +dnl Copyright (C) 1997-2004, 2006, 2008-2013 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. @@ -11,15 +11,18 @@ dnl From Paul Eggert. AC_DEFUN([gl_AC_HEADER_INTTYPES_H], [ - AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h, - [AC_TRY_COMPILE( - [#include <sys/types.h> -#include <inttypes.h>], - [uintmax_t i = (uintmax_t) -1; return !i;], - gl_cv_header_inttypes_h=yes, - gl_cv_header_inttypes_h=no)]) + AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <sys/types.h> +#include <inttypes.h> + ]], + [[uintmax_t i = (uintmax_t) -1; return !i;]])], + [gl_cv_header_inttypes_h=yes], + [gl_cv_header_inttypes_h=no])]) if test $gl_cv_header_inttypes_h = yes; then - AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1, + AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1], [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, and declares uintmax_t. ]) fi |