getdelim: Use SIZE_MAX from stdint.h.

[gnulib.git] / m4 / getdelim.m4

diff --git a/m4/getdelim.m4 b/m4/getdelim.m4
index 2a738f6..7760f82 100644 (file)
--- a/m4/getdelim.m4
+++ b/m4/getdelim.m4
@@ -1,29 +1,35 @@
-# getdelim.m4 serial 2
+# getdelim.m4 serial 5
 
-dnl Copyright (C) 2005, 2006 Free Software dnl Foundation, Inc.
+dnl Copyright (C) 2005, 2006, 2007 Free Software dnl Foundation, Inc.
 dnl
 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.
 
-AC_PREREQ(2.52)
+AC_PREREQ([2.59])
 
 AC_DEFUN([gl_FUNC_GETDELIM],
 [
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
 
   dnl Persuade glibc <stdio.h> to declare getdelim().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
-  AC_REPLACE_FUNCS(getdelim)
-  AC_CHECK_DECLS_ONCE(getdelim)
+  AC_REPLACE_FUNCS([getdelim])
+  AC_CHECK_DECLS_ONCE([getdelim])
 
   if test $ac_cv_func_getdelim = no; then
     gl_PREREQ_GETDELIM
   fi
+
+  if test $ac_cv_have_decl_getdelim = no; then
+    HAVE_DECL_GETDELIM=0
+  fi
 ])
 
 # Prerequisites of lib/getdelim.c.
 AC_DEFUN([gl_PREREQ_GETDELIM],
 [
   AC_CHECK_FUNCS([flockfile funlockfile])
+  AC_CHECK_DECLS([getc_unlocked])
 ])