File libprelude-rpm-opt-flags.patch of Package libprelude

--- src/libprelude-error/Makefile.am.orig	2016-04-25 17:47:47.990778283 +0200
+++ src/libprelude-error/Makefile.am	2016-04-25 17:52:39.280307059 +0200
@@ -46,7 +46,7 @@
 # It is correct to use $(CC_FOR_BUILD) here.  We want to run the
 # program at build time.
 mkerrcodes: mkerrcodes.c mkerrcodes.h Makefile
-	$(CC_FOR_BUILD) -I. -I$(srcdir) -o $@ $(srcdir)/mkerrcodes.c
+	$(CC_FOR_BUILD) $(CFLAGS) -I. -I$(srcdir) -o $@ $(srcdir)/mkerrcodes.c
 
 code-from-errno.h: mkerrcodes Makefile
 	./mkerrcodes | LANG="" $(AWK) -f $(srcdir)/mkerrcodes2.awk >$@
--- src/libprelude-error/Makefile.in.orig	2016-04-25 19:43:48.730206592 +0200
+++ src/libprelude-error/Makefile.in	2016-04-25 19:43:23.554774477 +0200
@@ -1649,7 +1649,7 @@
 # It is correct to use $(CC_FOR_BUILD) here.  We want to run the
 # program at build time.
 mkerrcodes: mkerrcodes.c mkerrcodes.h Makefile
-	$(CC_FOR_BUILD) -I. -I$(srcdir) -o $@ $(srcdir)/mkerrcodes.c
+	$(CC_FOR_BUILD) $(CFLAGS) -I. -I$(srcdir) -o $@ $(srcdir)/mkerrcodes.c
 
 code-from-errno.h: mkerrcodes Makefile
 	./mkerrcodes | LANG="" $(AWK) -f $(srcdir)/mkerrcodes2.awk >$@