openwrt/include/rootfs.mk
Alexander Couzens 8cb13f4e6d
rootfs.mk: ensure all timestamp are set to SOURCE_DATE_EPOCH
Some tools doesn't support SOURCE_DATE_EPOCH (e.g. initramfs images).
Ensure all files of a root filesystem are set to SOURCE_DATE_EPOCH.
Make initramfs builds reproducible (for ramips).

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
2019-09-21 03:26:38 +02:00

104 lines
3.7 KiB
Makefile

ifdef CONFIG_USE_MKLIBS
define mklibs
rm -rf $(TMP_DIR)/mklibs-progs $(TMP_DIR)/mklibs-out
# first find all programs and add them to the mklibs list
find $(STAGING_DIR_ROOT) -type f -perm /100 -exec \
file -r -N -F '' {} + | \
awk ' /executable.*dynamically/ { print $$1 }' > $(TMP_DIR)/mklibs-progs
# find all loadable objects that are not regular libraries and add them to the list as well
find $(STAGING_DIR_ROOT) -type f -name \*.so\* -exec \
file -r -N -F '' {} + | \
awk ' /shared object/ { print $$1 }' > $(TMP_DIR)/mklibs-libs
mkdir -p $(TMP_DIR)/mklibs-out
$(STAGING_DIR_HOST)/bin/mklibs -D \
-d $(TMP_DIR)/mklibs-out \
--sysroot $(STAGING_DIR_ROOT) \
`cat $(TMP_DIR)/mklibs-libs | sed 's:/*[^/]\+/*$$::' | uniq | sed 's:^$(STAGING_DIR_ROOT):-L :'` \
--ldlib $(patsubst $(STAGING_DIR_ROOT)/%,/%,$(firstword $(wildcard \
$(foreach name,ld-uClibc.so.* ld-linux.so.* ld-*.so ld-musl-*.so.*, \
$(STAGING_DIR_ROOT)/lib/$(name) \
)))) \
--target $(REAL_GNU_TARGET_NAME) \
`cat $(TMP_DIR)/mklibs-progs $(TMP_DIR)/mklibs-libs` 2>&1
$(RSTRIP) $(TMP_DIR)/mklibs-out
for lib in `ls $(TMP_DIR)/mklibs-out/*.so.* 2>/dev/null`; do \
LIB="$${lib##*/}"; \
DEST="`ls "$(1)/lib/$$LIB" "$(1)/usr/lib/$$LIB" 2>/dev/null`"; \
[ -n "$$DEST" ] || continue; \
echo "Copying stripped library $$lib to $$DEST"; \
cp "$$lib" "$$DEST" || exit 1; \
done
endef
endif
# where to build (and put) .ipk packages
opkg = \
IPKG_NO_SCRIPT=1 \
IPKG_INSTROOT=$(1) \
TMPDIR=$(1)/tmp \
$(STAGING_DIR_HOST)/bin/opkg \
--offline-root $(1) \
--force-postinstall \
--add-dest root:/ \
--add-arch all:100 \
--add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200
TARGET_DIR_ORIG := $(TARGET_ROOTFS_DIR)/root.orig-$(BOARD)
ifdef CONFIG_CLEAN_IPKG
define clean_ipkg
-find $(1)/usr/lib/opkg/info -type f -and -not -name '*.control' | $(XARGS) rm -rf
-sed -i -ne '/^Require-User: /p' $(1)/usr/lib/opkg/info/*.control
awk ' \
BEGIN { conffiles = 0; print "Conffiles:" } \
/^Conffiles:/ { conffiles = 1; next } \
!/^ / { conffiles = 0; next } \
conffiles == 1 { print } \
' $(1)/usr/lib/opkg/status >$(1)/usr/lib/opkg/status.new
mv $(1)/usr/lib/opkg/status.new $(1)/usr/lib/opkg/status
-find $(1)/usr/lib/opkg -empty | $(XARGS) rm -rf
endef
endif
define prepare_rootfs
$(if $(2),@if [ -d '$(2)' ]; then \
$(call file_copy,$(2)/.,$(1)); \
fi)
@mkdir -p $(1)/etc/rc.d
@mkdir -p $(1)/var/lock
@( \
cd $(1); \
for script in ./usr/lib/opkg/info/*.postinst; do \
IPKG_INSTROOT=$(1) $$(which bash) $$script; \
ret=$$?; \
if [ $$ret -ne 0 ]; then \
echo "postinst script $$script has failed with exit code $$ret" >&2; \
exit 1; \
fi; \
done; \
for script in ./etc/init.d/*; do \
grep '#!/bin/sh /etc/rc.common' $$script >/dev/null || continue; \
if ! echo " $(3) " | grep -q " $$(basename $$script) "; then \
IPKG_INSTROOT=$(1) $$(which bash) ./etc/rc.common $$script enable; \
echo "Enabling" $$(basename $$script); \
else \
IPKG_INSTROOT=$(1) $$(which bash) ./etc/rc.common $$script disable; \
echo "Disabling" $$(basename $$script); \
fi; \
done || true \
)
$(if $(SOURCE_DATE_EPOCH),sed -i "s/Installed-Time: .*/Installed-Time: $(SOURCE_DATE_EPOCH)/" $(1)/usr/lib/opkg/status)
@-find $(1) -name CVS | $(XARGS) rm -rf
@-find $(1) -name .svn | $(XARGS) rm -rf
@-find $(1) -name .git | $(XARGS) rm -rf
@-find $(1) -name '.#*' | $(XARGS) rm -f
rm -rf $(1)/tmp/*
rm -f $(1)/usr/lib/opkg/lists/*
rm -f $(1)/usr/lib/opkg/info/*.postinst*
rm -f $(1)/var/lock/*.lock
rm -rf $(1)/boot
$(call clean_ipkg,$(1))
$(call mklibs,$(1))
$(if $(SOURCE_DATE_EPOCH),find $(1)/ -mindepth 1 -execdir touch -hcd "@$(SOURCE_DATE_EPOCH)" "{}" +)
endef