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Commit d08bc5c1 authored by Sam Ravnborg's avatar Sam Ravnborg
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Merge bk://linux-sam@linux-sam.bkbits.net/kbuild2 

into mars.ravnborg.org:/home/sam/src/linux/kernel/bk/kbuild4
parents 3ec83948 a1f0f3c9
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Showing with 57 additions and 81 deletions
Makefile
View file @ d08bc5c1
......@@ -478,17 +478,19 @@ include/linux/autoconf.h: .config scripts/fixdep
uts_len := 64
include/linux/version.h: Makefile
@if expr length "$(KERNELRELEASE)" \> $(uts_len) >/dev/null ; then \
define filechk_version.h
if expr length "$(KERNELRELEASE)" \> $(uts_len) >/dev/null ; then \
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
exit 1; \
fi;
@echo -n ' GEN $@'
@(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \
(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \
echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)`; \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'; \
) > $@.tmp
@$(update-if-changed)
)
endef
include/linux/version.h: Makefile
$(call filechk,version.h)
# ---------------------------------------------------------------------------
......@@ -557,7 +559,7 @@ endif # CONFIG_MODULES
# Generate asm-offsets.h
# ---------------------------------------------------------------------------
define generate-asm-offsets.h
define filechk_gen-asm-offsets
(set -e; \
echo "#ifndef __ASM_OFFSETS_H__"; \
echo "#define __ASM_OFFSETS_H__"; \
......@@ -573,7 +575,6 @@ define generate-asm-offsets.h
echo "#endif" )
endef
else # ifdef include_config
ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
......@@ -881,13 +882,27 @@ if_changed_rule = $(if $(strip $? \
cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
define update-if-changed
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
echo ' (unchanged)'; \
rm -f $@.tmp; \
else \
echo ' (updated)'; \
mv -f $@.tmp $@; \
# filechk is used to check if the content of a generated file is updated.
# Sample usage:
# define filechk_sample
# echo $KERNELRELEASE
# endef
# version.h : Makefile
# $(call filechk,sample)
# The rule defined shall write to stdout the content of the new file.
# The existing file will be compared with the new one.
# - If no file exist it is created
# - If the content differ the new file is used
# - If they are equal no change, and no timestamp update
define filechk
@echo ' CHK $@';
@set -e; $(filechk_$(1)) > $@.tmp
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
echo ' UPD $@'; \
mv -f $@.tmp $@; \
fi
endef
......
arch/alpha/Makefile
View file @ d08bc5c1
......@@ -119,15 +119,12 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
archclean:
$(Q)$(MAKE) -f scripts/Makefile.clean obj=$(boot)
CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h.tmp \
include/asm-$(ARCH)/asm_offsets.h
CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
define archhelp
echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
......
arch/arm/Makefile
View file @ d08bc5c1
......@@ -211,9 +211,7 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
......
arch/m68knommu/Makefile
View file @ d08bc5c1
......@@ -86,8 +86,7 @@ LDFLAGS_BLOB := --format binary --oformat elf32-m68k
head-y := arch/m68knommu/platform/$(platform-y)/$(board-y)/crt0_$(model-y).o
CLEAN_FILES := include/asm-$(ARCH)/asm-offsets.h.tmp \
include/asm-$(ARCH)/asm-offsets.h \
CLEAN_FILES := include/asm-$(ARCH)/asm-offsets.h \
arch/$(ARCH)/kernel/asm-offsets.s
core-y += arch/m68knommu/kernel/ \
......@@ -104,6 +103,4 @@ archclean:
include/asm-$(ARCH)/asm-offsets.h: arch/$(ARCH)/kernel/asm-offsets.s \
include/asm include/linux/version.h \
include/config/MARKER
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
arch/parisc/Makefile
View file @ d08bc5c1
......@@ -91,12 +91,9 @@ arch/parisc/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-parisc/offsets.h: arch/parisc/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
CLEAN_FILES += palo.conf lifimage include/asm-parisc/offsets.h \
include/asm-parisc/offsets.h.tmp
CLEAN_FILES += palo.conf lifimage include/asm-parisc/offsets.h
define archhelp
@echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
......
arch/ppc/Makefile
View file @ d08bc5c1
......@@ -80,12 +80,8 @@ prepare: include/asm-$(ARCH)/offsets.h checkbin
arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/offsets.h.tmp: arch/$(ARCH)/kernel/asm-offsets.s
@$(generate-asm-offsets.h) < $< > $@
include/asm-$(ARCH)/offsets.h: include/asm-$(ARCH)/offsets.h.tmp
@echo -n ' Generating $@'
@$(update-if-changed)
include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
$(call filechk,gen-asm-offsets)
ifdef CONFIG_6xx
# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
......@@ -106,6 +102,5 @@ checkbin:
@true
endif
CLEAN_FILES += include/asm-$(ARCH)/offsets.h.tmp \
include/asm-$(ARCH)/offsets.h \
CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
arch/$(ARCH)/kernel/asm-offsets.s
arch/ppc64/Makefile
View file @ d08bc5c1
......@@ -52,10 +52,6 @@ arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
CLEAN_FILES += include/asm-ppc64/offsets.h.tmp \
include/asm-ppc64/offsets.h
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-ppc64/offsets.h
arch/s390/Makefile
View file @ d08bc5c1
......@@ -48,9 +48,6 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-$(ARCH)/offsets.h.tmp \
include/asm-$(ARCH)/offsets.h
CLEAN_FILES += include/asm-$(ARCH)/offsets.h
arch/s390x/Makefile
View file @ d08bc5c1
......@@ -48,9 +48,6 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-$(ARCH)/offsets.h.tmp \
include/asm-$(ARCH)/offsets.h
CLEAN_FILES += include/asm-$(ARCH)/offsets.h
arch/sparc/Makefile
View file @ d08bc5c1
......@@ -68,10 +68,7 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h.tmp \
include/asm-$(ARCH)/asm_offsets.h \
CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h \
arch/$(ARCH)/kernel/asm-offsets.s
arch/v850/Makefile
View file @ d08bc5c1
......@@ -55,14 +55,10 @@ prepare: include/asm-$(ARCH)/asm-consts.h
# Generate constants from C code for use by asm files
arch/$(ARCH)/kernel/asm-consts.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/asm-consts.h.tmp: arch/$(ARCH)/kernel/asm-consts.s
@$(generate-asm-offsets.h) < $< > $@
include/asm-$(ARCH)/asm-consts.h: include/asm-$(ARCH)/asm-consts.h.tmp
@echo -n ' Generating $@'
@$(update-if-changed)
include/asm-$(ARCH)/asm-consts.h: arch/$(ARCH)/kernel/asm-consts.s
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-$(ARCH)/asm-consts.h.tmp \
include/asm-$(ARCH)/asm-consts.h \
CLEAN_FILES += include/asm-$(ARCH)/asm-consts.h \
arch/$(ARCH)/kernel/asm-consts.s \
root_fs_image.o
arch/x86_64/Makefile
View file @ d08bc5c1
......@@ -86,15 +86,10 @@ prepare: include/asm-$(ARCH)/offset.h
arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-$(ARCH)/offset.h.tmp: arch/$(ARCH)/kernel/asm-offsets.s
include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/asm-offsets.s
@echo -n ' Generating $@'
@$(generate-asm-offsets.h) < $< > $@.tmp
@$(update-if-changed)
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-$(ARCH)/offset.h.tmp \
include/asm-$(ARCH)/offset.h
CLEAN_FILES += include/asm-$(ARCH)/offset.h
define archhelp
echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
......
init/Makefile
View file @ d08bc5c1
......@@ -21,5 +21,5 @@ $(obj)/version.o: include/linux/compile.h
# actual file if its content has changed.
include/linux/compile.h: FORCE
@echo -n ' GEN $@'
@echo ' CHK $@'
@sh $(srctree)/scripts/mkcompile_h $@ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CC) $(CFLAGS)"
scripts/mkcompile_h
View file @ d08bc5c1
......@@ -10,7 +10,7 @@ CC=$4
# do "compiled by root"
if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then
echo ' (not modified)'
echo " SKIPPED $TARGET"
exit 0
fi
......@@ -70,10 +70,9 @@ if [ -r $TARGET ] && \
grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' $TARGET > .tmpver.1 && \
grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' .tmpcompile > .tmpver.2 && \
cmp -s .tmpver.1 .tmpver.2; then
echo ' (unchanged)'
rm -f .tmpcompile
else
echo ' (updated)'
echo " UPD $TARGET"
mv -f .tmpcompile $TARGET
fi
#rm -f .tmpver.1 .tmpver.2
rm -f .tmpver.1 .tmpver.2
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