X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f61aad93992064785ef0f74d9bd5d19f016ba390..8c182d059230c46d9c641503c87cdc675f8cfe4f:/m4/error.m4

diff --git a/m4/error.m4 b/m4/error.m4
index 99e9cf00..14e23a71 100644
--- a/m4/error.m4
+++ b/m4/error.m4
@@ -1,19 +1,17 @@
-#serial 5
+#serial 7
 
 AC_DEFUN([gl_ERROR],
 [
   AC_FUNC_ERROR_AT_LINE
   dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]).
-  if test $ac_cv_lib_error_at_line = no; then
-    jm_PREREQ_ERROR
-  fi
+  jm_PREREQ_ERROR
 ])
 
 # Prerequisites of lib/error.c.
 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