| 1 | # inttypes_h.m4 serial 10 |
| 2 | dnl Copyright (C) 1997-2004, 2006, 2008-2013 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_COMPILE_IFELSE( |
| 16 | [AC_LANG_PROGRAM( |
| 17 | [[ |
| 18 | #include <sys/types.h> |
| 19 | #include <inttypes.h> |
| 20 | ]], |
| 21 | [[uintmax_t i = (uintmax_t) -1; return !i;]])], |
| 22 | [gl_cv_header_inttypes_h=yes], |
| 23 | [gl_cv_header_inttypes_h=no])]) |
| 24 | if test $gl_cv_header_inttypes_h = yes; then |
| 25 | AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1], |
| 26 | [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, |
| 27 | and declares uintmax_t. ]) |
| 28 | fi |
| 29 | ]) |