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-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 2e2f4a4324af..a2c2efe9e82e 100644
--- a/Makefile
+++ b/Makefile
@@ -566,6 +566,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
# disable pointer signed / unsigned warnings in gcc 4.0
KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
+# disable invalid "can't wrap" optimzations for signed / pointers
+KBUILD_CFLAGS += $(call cc-option,-fwrapv)
+
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
# But warn user when we do so
warn-assign = \