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authorMichal Marek <mmarek@suse.cz>2011-03-31 23:16:42 +0200
committerMichal Marek <mmarek@suse.cz>2011-04-18 14:27:52 +0200
commita8b8017c34fefcb763d8b06c294b58d1c480b2e4 (patch)
tree61f638af2d7e5ad95990055414788f6f9c0a82dc /Documentation/kbuild
parentkbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros (diff)
downloadlinux-a8b8017c34fefcb763d8b06c294b58d1c480b2e4.tar.xz
linux-a8b8017c34fefcb763d8b06c294b58d1c480b2e4.zip
initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries
gen_init_cpio gets the current time and uses it for each symlink, special file, and directory. Grab the current time once and make it possible to override it with the KBUILD_BUILD_TIMESTAMP variable for reproducible builds. Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Documentation/kbuild')
-rw-r--r--Documentation/kbuild/kbuild.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index f11ebb33e4a6..646e2c114fff 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -205,7 +205,8 @@ 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 default value
+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