don't override user cflags
--- a/configure+++ b/configure@@ -2995,10 +2995,6 @@ fi# End of CC checks
# After here, no more $cc or $ld runs
-if test "$debug" = "no" ; then- CFLAGS="-O2 -D_FORTIFY_SOURCE=2 $CFLAGS"-fi-# Disable zero malloc errors for official releases unless explicitly told to
# enable/disable
if test -z "$zero_malloc" ; then