diff --git a/rpm.spec b/rpm.spec
index 8e535f5..deae3ba 100644
--- a/rpm.spec
+++ b/rpm.spec
@@ -256,7 +256,7 @@ rm -f m4/libtool.m4
 rm -f m4/lt*.m4
 
 %build
-export CFLAGS="-g -O0"
+export CFLAGS="%{optflags} -ffunction-sections"
 export LDFLAGS="-Wl,-Bsymbolic-functions -ffunction-sections"
 %ifarch alpha
 export CFLAGS="-g -O0 -fno-strict-aliasing -ffunction-sections"