# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1050327495 0
# Node ID c842eddb3b4f380215905c358aacb12d041523b3
# Parent  86c10cb6595dbb225a71faa838e7f5dd9168269e
Use AC_FUNC_VPRINTF instead of bogus test for function 'doprnt' that no system
has.

diff --git a/m4/ChangeLog b/m4/ChangeLog
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-14  Bruno Haible  <bruno@clisp.org>
+
+	* error.m4 (jm_PREREQ_ERROR): Use AC_FUNC_VPRINTF.
+
 2003-04-10  Bruno Haible  <bruno@clisp.org>
 
 	* findprog.m4: New file.
diff --git a/m4/error.m4 b/m4/error.m4
--- a/m4/error.m4
+++ b/m4/error.m4
@@ -1,4 +1,4 @@
-#serial 5
+#serial 6
 
 AC_DEFUN([gl_ERROR],
 [
@@ -13,7 +13,7 @@
 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