Ensure desirable compile flags are used.  We want RPM_OPT_FLAGS rather than

upstream's idea of suitable optimization flags, per Fedora packaging

guidelines, and we *don't* want -ffast-math, per bug #629964.

diff -Naur libdbi-0.8.4.orig/configure libdbi-0.8.4/configure

--- libdbi-0.8.4.orig/configure	2010-08-31 19:22:52.000000000 -0400

+++ libdbi-0.8.4/configure	2012-07-22 19:43:23.073595685 -0400

@@ -11203,7 +11203,7 @@

         case $host in

         *-*-linux*)

                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char -std=gnu99"

-                CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char -std=gnu99"

+                CFLAGS="-D_REENTRANT -fsigned-char -std=gnu99 $RPM_OPT_FLAGS"

                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -std=gnu99";;

         sparc-sun-*)

                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8 -std=gnu99"