diff -ur gavl-0.2.7.orig/configure.ac gavl-0.2.7/configure.ac
--- gavl-0.2.7.orig/configure.ac	2008-01-03 19:52:52.000000000 +0200
+++ gavl-0.2.7/configure.ac	2008-01-25 20:43:16.000000000 +0200
@@ -91,7 +91,7 @@
 dnl Build optimization flags
 dnl
 
-LQT_OPT_CFLAGS($host_cpu, ["-O3 -funroll-all-loops -fomit-frame-pointer -ffast-math"])
+LQT_OPT_CFLAGS($host_cpu, [""])
 
 dnl
 dnl Check for SIMD