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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-05 21:56:59 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-05 21:56:59 +0200
commit2d00aee21a5d4966e086d98f9d710afb92fb14e8 (patch)
tree7e35b06f7834c4cdca1e1c320d3d9097c97ff85f /kernel
parentMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/... (diff)
parentkheaders: make headers archive reproducible (diff)
downloadlinux-2d00aee21a5d4966e086d98f9d710afb92fb14e8.tar.xz
linux-2d00aee21a5d4966e086d98f9d710afb92fb14e8.zip
Merge tag 'kbuild-fixes-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada: - remove unneeded ar-option and KBUILD_ARFLAGS - remove long-deprecated SUBDIRS - fix modpost to suppress false-positive warnings for UML builds - fix namespace.pl to handle relative paths to ${objtree}, ${srctree} - make setlocalversion work for /bin/sh - make header archive reproducible - fix some Makefiles and documents * tag 'kbuild-fixes-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kheaders: make headers archive reproducible kbuild: update compile-test header list for v5.4-rc2 kbuild: two minor updates for Documentation/kbuild/modules.rst scripts/setlocalversion: clear local variable to make it work for sh namespace: fix namespace.pl script to support relative paths video/logo: do not generate unneeded logo C files video/logo: remove unneeded *.o pattern from clean-files integrity: remove pointless subdir-$(CONFIG_...) integrity: remove unneeded, broken attempt to add -fshort-wchar modpost: fix static EXPORT_SYMBOL warnings for UML build kbuild: correct formatting of header in kbuild module docs kbuild: remove SUBDIRS support kbuild: remove ar-option and KBUILD_ARFLAGS
Diffstat (limited to 'kernel')
-rwxr-xr-xkernel/gen_kheaders.sh5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh
index 9ff449888d9c..aff79e461fc9 100755
--- a/kernel/gen_kheaders.sh
+++ b/kernel/gen_kheaders.sh
@@ -71,7 +71,10 @@ done | cpio --quiet -pd $cpio_dir >/dev/null 2>&1
find $cpio_dir -type f -print0 |
xargs -0 -P8 -n1 perl -pi -e 'BEGIN {undef $/;}; s/\/\*((?!SPDX).)*?\*\///smg;'
-tar -Jcf $tarfile -C $cpio_dir/ . > /dev/null
+# Create archive and try to normalize metadata for reproducibility
+tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \
+ --owner=0 --group=0 --sort=name --numeric-owner \
+ -Jcf $tarfile -C $cpio_dir/ . > /dev/null
echo "$src_files_md5" > kernel/kheaders.md5
echo "$obj_files_md5" >> kernel/kheaders.md5