diff options
Diffstat (limited to 'kernel/Makefile')
| -rw-r--r-- | kernel/Makefile | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/kernel/Makefile b/kernel/Makefile index 366987d9914a..c60623448235 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -159,11 +159,48 @@ filechk_cat = cat $< $(obj)/config_data: $(KCONFIG_CONFIG) FORCE $(call filechk,cat) +# kheaders_data.tar.xz $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz -quiet_cmd_genikh = CHK $(obj)/kheaders_data.tar.xz - cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@ -$(obj)/kheaders_data.tar.xz: FORCE - $(call cmd,genikh) +quiet_cmd_kheaders_data = GEN $@ + cmd_kheaders_data = "$<" "$@" "$(obj)/kheaders-srclist" "$(obj)/kheaders-objlist" "$(KBUILD_BUILD_TIMESTAMP)" + cmd_kheaders_data_dep = cat $(depfile) >> $(dot-target).cmd; rm -f $(depfile) -clean-files := kheaders_data.tar.xz kheaders.md5 +define rule_kheaders_data + $(call cmd_and_savecmd,kheaders_data) + $(call cmd,kheaders_data_dep) +endef + +targets += kheaders_data.tar.xz +$(obj)/kheaders_data.tar.xz: $(src)/gen_kheaders.sh $(obj)/kheaders-srclist $(obj)/kheaders-objlist $(obj)/kheaders.md5 FORCE + $(call if_changed_rule,kheaders_data) + +# generated headers in objtree +# +# include/generated/utsversion.h is ignored because it is generated +# after gen_kheaders.sh is executed. (utsversion.h is unneeded for kheaders) +filechk_kheaders_objlist = \ + for d in include "arch/$(SRCARCH)/include"; do \ + find "$${d}/generated" ! -path "include/generated/utsversion.h" -a -name "*.h" -print; \ + done + +$(obj)/kheaders-objlist: FORCE + $(call filechk,kheaders_objlist) + +# non-generated headers in srctree +filechk_kheaders_srclist = \ + for d in include "arch/$(SRCARCH)/include"; do \ + find "$(srctree)/$${d}" -path "$(srctree)/$${d}/generated" -prune -o -name "*.h" -print; \ + done + +$(obj)/kheaders-srclist: FORCE + $(call filechk,kheaders_srclist) + +# Some files are symlinks. If symlinks are changed, kheaders_data.tar.xz should +# be rebuilt. +filechk_kheaders_md5sum = xargs -r -a $< stat -c %N | md5sum + +$(obj)/kheaders.md5: $(obj)/kheaders-srclist FORCE + $(call filechk,kheaders_md5sum) + +clean-files := kheaders.md5 kheaders-srclist kheaders-objlist |