File RPM_OPT_FLAGS.patch of Package dmg2img

Index: dmg2img/dmg2img-1609093700.a3e4134/Makefile
===================================================================
--- dmg2img.orig/dmg2img-1609093700.a3e4134/Makefile
+++ dmg2img/dmg2img-1609093700.a3e4134/Makefile
@@ -1,5 +1,5 @@
 #CC = gcc
-CFLAGS = -g -O2 -Wall
+CFLAGS = ${RPM_OPT_FLAGS}
 LDFLAGS =
 BIN_DIR = ${DESTDIR}/usr/bin