X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=Makefile;h=920ad07180c9c7157c2ca3b5b1175059eb3e8b8e;hb=74a1b1ea8a30b035aaad833bbd6b9263e72acfac;hp=606a66cdcdb88e6e1b7d214dc7f87921c59e025d;hpb=d320e203bad4cfcef3613e83a52f8c70a77e8a60;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/Makefile b/Makefile
index 606a66c..920ad07 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,9 @@ LC_COLLATE=C
 LC_NUMERIC=C
 export LC_COLLATE LC_NUMERIC
 
+# Avoid interference with shell env settings
+unexport GREP_OPTIONS
+
 # We are using a recursive build, so we need to do a little thinking
 # to get the ordering right.
 #
@@ -659,6 +662,12 @@ KBUILD_CFLAGS	+= $(call cc-option,-fno-strict-overflow)
 # conserve stack if available
 KBUILD_CFLAGS   += $(call cc-option,-fconserve-stack)
 
+# disallow errors like 'EXPORT_GPL(foo);' with missing header
+KBUILD_CFLAGS   += $(call cc-option,-Werror=implicit-int)
+
+# require functions to have arguments in prototypes, not empty 'int foo()'
+KBUILD_CFLAGS   += $(call cc-option,-Werror=strict-prototypes)
+
 # use the deterministic mode of AR if available
 KBUILD_ARFLAGS := $(call ar-option,D)