Update from Bruno Haible's 2003-04-14 patch to gnulib.

diff --git a/m4/error.m4 b/m4/error.m4
index 560ca8fb967677c8eda28e9e80dd2048cb8c7bba..14e23a71f71c5ba5f4df6b0a2f342cb0d8e48fcf 100644 (file)
--- a/m4/error.m4
+++ b/m4/error.m4
@@ -1,4 +1,4 @@
-#serial 6
+#serial 7
 
 AC_DEFUN([gl_ERROR],
 [
@@ -11,7 +11,7 @@ AC_DEFUN([gl_ERROR],
 AC_DEFUN([jm_PREREQ_ERROR],
 [
   AC_REQUIRE([AC_HEADER_STDC])
-  AC_CHECK_FUNCS_ONCE(doprnt vprintf)
+  AC_REQUIRE([AC_FUNC_VPRINTF])
   AC_CHECK_FUNCS(strerror)
   AC_CHECK_DECLS([strerror])
   AC_FUNC_STRERROR_R