diff --git a/[refs] b/[refs]
index 5d827282e7e9..e6437f59ebd3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d178817803d95e4e3ca270bccd1ae2bed4780977
+refs/heads/master: 43af5f23354dbd67d2fd2d523eefad8053ac388b
diff --git a/trunk/Makefile b/trunk/Makefile
index 423397f03921..77198748ad71 100644
--- a/trunk/Makefile
+++ b/trunk/Makefile
@@ -203,7 +203,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 
 HOSTCC  	= gcc
 HOSTCXX  	= g++
-HOSTCFLAGS	= -Wall -Wundef -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS	= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
 HOSTCXXFLAGS	= -O2
 
 # 	Decide whether to build built-in, modular, or both.