kbuild: enable kernel-doc -Wall for W=2

[sfrench/cifs-2.6.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index a0b4fb58201cb01ea212c4781cc578a6ccacbfb4..ddd644bd032d0866e43f35fb9b57ab64bec09095 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -101,7 +101,9 @@ else ifeq ($(KBUILD_CHECKSRC),2)
 endif
 
 ifneq ($(KBUILD_EXTRA_WARN),)
-  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $(KDOCFLAGS) $<
+  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $(KDOCFLAGS) \
+        $(if $(findstring 2, $(KBUILD_EXTRA_WARN)), -Wall) \
+        $<
 endif
 
 # Compile C sources (.c)