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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 13:31:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 13:31:37 -0700
commit2bb732cdb48d271ff7a910260ffb851fb4bc8a28 (patch)
tree580bf68eb1e52b4e6915588d61423347ae09c318 /Documentation/kbuild/kbuild.txt
parentf50d1d9e8d964fdd3b4cedfbca8843d1bc5916c1 (diff)
parentc4d5ee13984f57b2f881635c49045151679f5e8a (diff)
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Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o scripts/kallsyms.c: fix potential segfault scripts/gen_initramfs_list.sh: Convert to a /bin/sh script kbuild: Fix GNU make v3.80 compatibility kbuild: Fix passing -Wno-* options to gcc 4.4+ kbuild: move scripts/basic/docproc.c to scripts/docproc.c kbuild: Fix Makefile.asm-generic for um kbuild: Allow to combine multiple W= levels kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0 Fix handling of backlash character in LINUX_COMPILE_BY name kbuild: asm-generic support kbuild: implement several W= levels kbuild: Fix build with binutils <= 2.19 initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros kbuild: Use the deterministic mode of ar kbuild: Call gzip with -n kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile Kconfig: improve KALLSYMS_ALL documentation Fix up trivial conflict in Makefile
Diffstat (limited to 'Documentation/kbuild/kbuild.txt')
-rw-r--r--Documentation/kbuild/kbuild.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 7c2a89b..68e32bb 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -201,3 +201,16 @@ KBUILD_ENABLE_EXTRA_GCC_CHECKS
--------------------------------------------------
If enabled over the make command line with "W=1", it turns on additional
gcc -W... options for more extensive build-time checking.
+
+KBUILD_BUILD_TIMESTAMP
+--------------------------------------------------
+Setting this to a date string overrides the timestamp used in the
+UTS_VERSION definition (uname -v in the running kernel). The value has to
+be a string that can be passed to date -d. The default value
+is the output of the date command at one point during build.
+
+KBUILD_BUILD_USER, KBUILD_BUILD_HOST
+--------------------------------------------------
+These two variables allow to override the user@host string displayed during
+boot and in /proc/version. The default value is the output of the commands
+whoami and host, respectively.