diff --git a/configure.in b/configure.in
--- a/configure.in
+++ b/configure.in
@@ -225,7 +225,7 @@
 test $ac_cv_prog_cc_g = yes && : ${debugflags=-g}
 if test "$GCC" = yes; then
     linker_flag=-Wl,
-    : ${optflags=-O3}
+    #: ${optflags=-O3}
 else
     linker_flag=
 fi