diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-07-04 22:55:23 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-07-04 22:55:23 -0400 |
commit | 404504470177d5ca1b46db5197ee0b78d639a2eb (patch) | |
tree | fe589d5017b199094920decd8283f748c4d668be /Makefile | |
parent | 123f94f22e3d283dfe68742b269c245b0501ad82 (diff) | |
parent | 62052be3a797f26f6f0fe30fc8d7f40ab54e08fd (diff) |
Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: Propagate LOCALVERSION= down to scripts/setlocalversion
kbuild: Clean up and speed up the localversion logic
Diffstat (limited to 'Makefile')
-rw-r--r-- | Makefile | 72 |
1 files changed, 1 insertions, 71 deletions
@@ -883,80 +883,10 @@ PHONY += $(vmlinux-dirs) | |||
883 | $(vmlinux-dirs): prepare scripts | 883 | $(vmlinux-dirs): prepare scripts |
884 | $(Q)$(MAKE) $(build)=$@ | 884 | $(Q)$(MAKE) $(build)=$@ |
885 | 885 | ||
886 | # Build the kernel release string | ||
887 | # | ||
888 | # The KERNELRELEASE value built here is stored in the file | ||
889 | # include/config/kernel.release, and is used when executing several | ||
890 | # make targets, such as "make install" or "make modules_install." | ||
891 | # | ||
892 | # The eventual kernel release string consists of the following fields, | ||
893 | # shown in a hierarchical format to show how smaller parts are concatenated | ||
894 | # to form the larger and final value, with values coming from places like | ||
895 | # the Makefile, kernel config options, make command line options and/or | ||
896 | # SCM tag information. | ||
897 | # | ||
898 | # $(KERNELVERSION) | ||
899 | # $(VERSION) eg, 2 | ||
900 | # $(PATCHLEVEL) eg, 6 | ||
901 | # $(SUBLEVEL) eg, 18 | ||
902 | # $(EXTRAVERSION) eg, -rc6 | ||
903 | # $(localver-full) | ||
904 | # $(localver) | ||
905 | # localversion* (files without backups, containing '~') | ||
906 | # $(CONFIG_LOCALVERSION) (from kernel config setting) | ||
907 | # $(LOCALVERSION) (from make command line, if provided) | ||
908 | # $(localver-extra) | ||
909 | # $(scm-identifier) (unique SCM tag, if one exists) | ||
910 | # ./scripts/setlocalversion (only with CONFIG_LOCALVERSION_AUTO) | ||
911 | # .scmversion (only with CONFIG_LOCALVERSION_AUTO) | ||
912 | # + (only without CONFIG_LOCALVERSION_AUTO | ||
913 | # and without LOCALVERSION= and | ||
914 | # repository is at non-tagged commit) | ||
915 | # | ||
916 | # For kernels without CONFIG_LOCALVERSION_AUTO compiled from an SCM that has | ||
917 | # been revised beyond a tagged commit, `+' is appended to the version string | ||
918 | # when not overridden by using "make LOCALVERSION=". This indicates that the | ||
919 | # kernel is not a vanilla release version and has been modified. | ||
920 | |||
921 | pattern = ".*/localversion[^~]*" | ||
922 | string = $(shell cat /dev/null \ | ||
923 | `find $(objtree) $(srctree) -maxdepth 1 -regex $(pattern) | sort -u`) | ||
924 | |||
925 | localver = $(subst $(space),, $(string) \ | ||
926 | $(patsubst "%",%,$(CONFIG_LOCALVERSION))) | ||
927 | |||
928 | # scripts/setlocalversion is called to create a unique identifier if the source | ||
929 | # is managed by a known SCM and the repository has been revised since the last | ||
930 | # tagged (release) commit. The format of the identifier is determined by the | ||
931 | # SCM's implementation. | ||
932 | # | ||
933 | # .scmversion is used when generating rpm packages so we do not loose | ||
934 | # the version information from the SCM when we do the build of the kernel | ||
935 | # from the copied source | ||
936 | ifeq ($(wildcard .scmversion),) | ||
937 | scm-identifier = $(shell $(CONFIG_SHELL) \ | ||
938 | $(srctree)/scripts/setlocalversion $(srctree)) | ||
939 | else | ||
940 | scm-identifier = $(shell cat .scmversion 2> /dev/null) | ||
941 | endif | ||
942 | |||
943 | ifdef CONFIG_LOCALVERSION_AUTO | ||
944 | localver-extra = $(scm-identifier) | ||
945 | else | ||
946 | ifneq ($(scm-identifier),) | ||
947 | ifeq ("$(origin LOCALVERSION)", "undefined") | ||
948 | localver-extra = + | ||
949 | endif | ||
950 | endif | ||
951 | endif | ||
952 | |||
953 | localver-full = $(localver)$(LOCALVERSION)$(localver-extra) | ||
954 | |||
955 | # Store (new) KERNELRELASE string in include/config/kernel.release | 886 | # Store (new) KERNELRELASE string in include/config/kernel.release |
956 | kernelrelease = $(KERNELVERSION)$(localver-full) | ||
957 | include/config/kernel.release: include/config/auto.conf FORCE | 887 | include/config/kernel.release: include/config/auto.conf FORCE |
958 | $(Q)rm -f $@ | 888 | $(Q)rm -f $@ |
959 | $(Q)echo $(kernelrelease) > $@ | 889 | $(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) scripts/setlocalversion $(srctree))" > $@ |
960 | 890 | ||
961 | 891 | ||
962 | # Things we need to do before we recursively start building the kernel | 892 | # Things we need to do before we recursively start building the kernel |