File dmg2img-optflags.patch of Package dmg2img
--- Makefile.orig 2012-10-04 19:41:58.130523877 +0200
+++ Makefile 2012-10-04 19:41:58.141523878 +0200
@@ -1,5 +1,5 @@
#CC = gcc
-CFLAGS = -O2 -Wall
+CFLAGS = $(RPM_OPT_FLAGS)
BIN_DIR = ${DESTDIR}/usr/bin
all: dmg2img vfdecrypt