From: kfraser@localhost.localdomain <kfraser@localhost.localdomain>
Date: Tue, 17 Oct 2006 14:53:42 +0000 (+0100)
Subject: Don't use -Wunused-value. It's too aggressive with GCC4.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15589^2~89
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Don't use -Wunused-value. It's too aggressive with GCC4.
Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/Config.mk b/Config.mk
index 74bd8ec80c..92c829dede 100644
--- a/Config.mk
+++ b/Config.mk
@@ -52,6 +52,10 @@ test-gcc-flag = $(shell $(1) -v --help 2>&1 | grep -q " $(2) " && echo $(2))
 
 CFLAGS += -Wall -Wstrict-prototypes
 
+# -Wunused-value makes GCC 4.x too aggressive for my taste: ignoring the
+# result of any casted expression causes a warning.
+CFLAGS += -Wno-unused-value
+
 HOSTCFLAGS += $(call test-gcc-flag,$(HOSTCC),-Wdeclaration-after-statement)
 CFLAGS     += $(call test-gcc-flag,$(CC),-Wdeclaration-after-statement)