2 files changed, 3 insertions, 1 deletions
diff --git a/Changes b/Changes
index 7092133..e764cd8 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for libev, a high-performance and full-featured event loop.
 
 	- applied win32 fixes by Michael Lenaghan.
         - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu).
+        - configure now prepends -O3, not appends it, so one can still
+          override it.
 
 3.9  Thu Dec 31 07:59:59 CET 2009
 	- signalfd is no longer used by default and has to be requested
diff --git a/configure.ac b/configure.ac
index 8bb910d..a7d3041 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ AC_PROG_INSTALL
 AC_PROG_LIBTOOL
 
 if test "x$GCC" = xyes ; then
-  CFLAGS="$CFLAGS -O3"
+  CFLAGS="-O3 $CFLAGS"
 fi
 
 m4_include([libev.m4])