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From 906d95695af95970bf551ea55b6c3e70332c6b97 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 22 Nov 2016 05:22:32 +0000
Subject: [PATCH] disable varargs warning on clang
The issue is that 'len' is an unsigned char and we violate the promotion rules
for passing the value to va_start.
passing an object that undergoes defau
lt argument promotion to 'va_start' has undefined behavior [-Wvarargs]
| va_start(ap, len);
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile
index 8c5e380..f41ef1a 100644
--- a/Makefile
+++ b/Makefile
@@ -53,6 +53,7 @@ ifeq ($(COMPILER), clang)
CFLAGS += -Wno-microsoft -Qunused-arguments -Wno-unused-function
CFLAGS += -Wno-unused-value -Wno-tautological-constant-out-of-range-compare
CFLAGS += -Wno-parentheses-equality -Wno-incompatible-pointer-types
+CFLAGS += -Wno-error=varargs
endif
ifeq ($(CONFIG_LIBFFMPEG_STATIC),yes)
--
1.9.1
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