diff options
| -rw-r--r-- | Makefile | 18 | ||||
| -rw-r--r-- | config.mk | 8 |
2 files changed, 26 insertions, 0 deletions
@@ -92,6 +92,24 @@ BUILD_DIR := $(O) endif endif +# Call a source code checker (by default, "sparse") as part of the +# C compilation. +# +# Use 'make C=1' to enable checking of re-compiled files. +# +# See the linux kernel file "Documentation/sparse.txt" for more details, +# including where to get the "sparse" utility. + +ifdef C +ifeq ("$(origin C)", "command line") +CHECKSRC := $(C) +endif +endif +ifndef CHECKSRC + CHECKSRC = 0 +endif +export CHECKSRC + ifneq ($(BUILD_DIR),) saved-output := $(BUILD_DIR) @@ -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 |