Pass a timestamp to kbuild via an enviroment variable.
TZ=UTC BUILD_TIMESTAMP=2007-01-01 make -kj O=../O vmlinux
This can be used when the kernel source is in a SCM and uname -v
is supposed to give the commit date and not the package build time.
Signed-off-by: Olaf Hering <[email protected]>
---
scripts/mkcompile_h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
Index: linux-2.6/scripts/mkcompile_h
===================================================================
--- linux-2.6.orig/scripts/mkcompile_h
+++ linux-2.6/scripts/mkcompile_h
@@ -30,7 +30,12 @@ UTS_VERSION="#$VERSION"
CONFIG_FLAGS=""
if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi
if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi
-UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS `LC_ALL=C LANG=C date`"
+if [ -n "$BUILD_TIMESTAMP" ]; then
+ TIMESTAMP="`LC_ALL=C LANG=C date -d "$BUILD_TIMESTAMP"`"
+else
+ TIMESTAMP="`LC_ALL=C LANG=C date`"
+fi
+UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS $TIMESTAMP"
# Truncate to maximum length
-
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