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-rw-r--r--config.mk8
1 files changed, 8 insertions, 0 deletions
diff --git a/config.mk b/config.mk
index 51b47838cf..bb5c69a15d 100644
--- a/config.mk
+++ b/config.mk
@@ -149,6 +149,7 @@ OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
RANLIB = $(CROSS_COMPILE)RANLIB
DTC = dtc
+CHECK = sparse
#########################################################################
@@ -275,6 +276,10 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),)
LDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE)
endif
+# Linus' kernel sanity checking tool
+CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
+ -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
+
# Location of a usable BFD library, where we define "usable" as
# "built for ${HOST}, supports ${TARGET}". Sensible values are
# - When cross-compiling: the root of the cross-environment
@@ -322,6 +327,9 @@ $(obj)%.s: %.S
$(obj)%.o: %.S
$(CC) $(ALL_AFLAGS) -o $@ $< -c
$(obj)%.o: %.c
+ifneq ($(CHECKSRC),0)
+ $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
+endif
$(CC) $(ALL_CFLAGS) -o $@ $< -c
$(obj)%.i: %.c
$(CPP) $(ALL_CFLAGS) -o $@ $< -c
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