diff options
Diffstat (limited to 'meta/classes/kernel.bbclass')
| -rw-r--r-- | meta/classes/kernel.bbclass | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass index 6846d6040d..0935196f6f 100644 --- a/meta/classes/kernel.bbclass +++ b/meta/classes/kernel.bbclass @@ -331,6 +331,21 @@ kernel_do_compile() { do_compile_kernelmodules() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE + if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then + # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not + # be set.... + if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then + # The source directory is not necessarily a git repository, so we + # specify the git-dir to ensure that git does not query a + # repository in any parent directory. + SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"` + fi + + ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH` + export KBUILD_BUILD_TIMESTAMP="$ts" + export KCONFIG_NOTIMESTAMP=1 + bbnote "KBUILD_BUILD_TIMESTAMP: $ts" + fi if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then cc_extra=$(get_cc_option) oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC} $cc_extra " LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} |