1# inttypes_h.m4 serial 10 2dnl Copyright (C) 1997-2004, 2006, 2008-2020 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7dnl 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 12AC_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]) 30