From c45fbf26af40b73202d42b6f0d5ef419e3412883 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sun, 25 Aug 2019 10:52:00 -0700
Subject: build: bugfix: compiler opts duplicated; remove_flags broken.

* Makefile (TXR_CFLAGS): Use := operator rather than += when
filtering out REMOVE_FLAGS, or else REMOVE_FLAGS are not
really removed, and we duplicate all the flags.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index f363a94b..fdbd55be 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ TXR_CFLAGS := $(CFLAGS)
 TXR_CFLAGS += -iquote . $(if $(top_srcdir), -iquote $(top_srcdir)) \
               $(LANG_FLAGS) $(DIAG_FLAGS) \
               $(DBG_FLAGS) $(PLATFORM_CFLAGS) $(EXTRA_FLAGS)
-TXR_CFLAGS += $(filter-out $(REMOVE_FLAGS),$(TXR_CFLAGS))
+TXR_CFLAGS := $(filter-out $(REMOVE_FLAGS),$(TXR_CFLAGS))
 TXR_LDFLAGS := $(LDFLAGS)
 TXR_LDFLAGS += -lm $(CONF_LDFLAGS) $(PLATFORM_LDFLAGS) $(EXTRA_LDFLAGS)
 
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