HOSTCC = gcc
HOSTCXX = g++
-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS = -Wall -Wundef -Wstrict-prototypes -O2 -fomit-frame-pointer
HOSTCXXFLAGS = -O2
# Decide whether to build built-in, modular, or both.
CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
-CFLAGS := -Wall -Wstrict-prototypes -Wno-trigraphs \
+CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common \
-ffreestanding
AFLAGS := -D__ASSEMBLY__
# Needs to visit scripts/ before $(KALLSYMS) can be used.
$(KALLSYMS): scripts ;
+# Generate some data for debugging strange kallsyms problems
+debug_kallsyms: .tmp_map$(last_kallsyms)
+
+.tmp_map%: .tmp_vmlinux% FORCE
+ ($(OBJDUMP) -h $< | $(AWK) '/^ +[0-9]/{print $$4 " 0 " $$2}'; $(NM) $<) | sort > $@
+
+.tmp_map3: .tmp_map2
+
+.tmp_map2: .tmp_map1
+
endif # ifdef CONFIG_KALLSYMS
# vmlinux image - including updated kernel symbols
prepare2:
ifneq ($(KBUILD_SRC),)
@echo ' Using $(srctree) as source for kernel'
- $(Q)if [ -h $(srctree)/include/asm -o -f $(srctree)/.config ]; then \
+ $(Q)if [ -f $(srctree)/.config ]; then \
echo " $(srctree) is not clean, please run 'make mrproper'";\
echo " in the '$(srctree)' directory.";\
/bin/false; \
# prepare1 creates a makefile if using a separate output directory
prepare1: prepare2 outputmakefile
-prepare0: prepare1 include/linux/version.h include/asm include/config/MARKER
+prepare0: prepare1 include/linux/version.h include/asm \
+ include/config/MARKER
ifneq ($(KBUILD_MODULES),)
$(Q)rm -rf $(MODVERDIR)
$(Q)mkdir -p $(MODVERDIR)
.PHONY: _modinst_
_modinst_:
- @if [ -z "`$(DEPMOD) -V | grep module-init-tools`" ]; then \
+ @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
echo "Warning: you may need to install module-init-tools"; \
echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
sleep 1; \
__srctree = $(srctree)/
endif
+ALLSOURCE_ARCHS := $(ARCH)
+
define all-sources
( find $(__srctree) $(RCS_FIND_IGNORE) \
\( -name include -o -name arch \) -prune -o \
-name '*.[chS]' -print; \
- find $(__srctree)arch/$(ARCH) $(RCS_FIND_IGNORE) \
- -name '*.[chS]' -print; \
+ for ARCH in $(ALLSOURCE_ARCHS) ; do \
+ find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
+ -name '*.[chS]' -print; \
+ done ; \
find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
-name '*.[chS]' -print; \
find $(__srctree)include $(RCS_FIND_IGNORE) \
\( -name config -o -name 'asm-*' \) -prune \
-o -name '*.[chS]' -print; \
- find $(__srctree)include/asm-$(ARCH) $(RCS_FIND_IGNORE) \
- -name '*.[chS]' -print; \
+ for ARCH in $(ALLSOURCE_ARCHS) ; do \
+ find $(__srctree)include/asm-$${ARCH} $(RCS_FIND_IGNORE) \
+ -name '*.[chS]' -print; \
+ done ; \
find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
-name '*.[chS]' -print )
endef
quiet_cmd_cscope-file = FILELST cscope.files
- cmd_cscope-file = $(all-sources) > cscope.files
+ cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files
quiet_cmd_cscope = MAKE cscope.out
- cmd_cscope = cscope -k -b -q
+ cmd_cscope = cscope -b
cscope: FORCE
$(call cmd,cscope-file)