diff --git a/CHANGES b/CHANGES
index a2edf54936588bb00358bbc69b09cbc5aa9c0384..b63249927284f5eb7356e78170ef6a400de970e0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,9 @@
 
                                   Changelog
 
+Daniel Fandrich (17 Nov 2008)
+- Added more compiler warning options for gcc 4.3
+
 Yang Tse (17 Nov 2008)
 - Fix a remaining problem in the inet_pton() runtime configure check. And
   fix internal Curl_inet_pton() failures to reject certain malformed literals.
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index f01214d0f10993c10def1460d2a1f9a844e8f017..85ba2a3e2fd18b026934dff186b6641983e28051 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -881,6 +881,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
             tmp_CFLAGS="$tmp_CFLAGS -Wdeclaration-after-statement"
           fi
           #
+          dnl Only gcc 4.3 or later
+          if test "$compiler_num" -ge "403"; then
+            tmp_CFLAGS="$tmp_CFLAGS -Wtype-limits -Wold-style-declaration -Wmissing-parameter-type -Wempty-body -Wclobbered -Wignored-qualifiers"
+          fi
+          #
         fi
         #
         dnl Do not issue warnings for code in system include paths.