build: move rootfs processing code to include/rootfs.mk so it can be reused later

[openwrt/openwrt.git] / include / rootfs.mk

diff --git a/include/rootfs.mk b/include/rootfs.mk
new file mode 100644 (file)
index 0000000..5c9276a
--- /dev/null
+++ b/include/rootfs.mk
@@ -0,0 +1,78 @@
+include $(INCLUDE_DIR)/feeds.mk
+
+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 "$(TARGET_DIR)/lib/$$LIB" "$(TARGET_DIR)/usr/lib/$$LIB" 2>/dev/null`"; \
+               [ -n "$$DEST" ] || continue; \
+               echo "Copying stripped library $$lib to $$DEST"; \
+               cp "$$lib" "$$DEST" || exit 1; \
+       done
+  endef
+endif
+
+# where to build (and put) .ipk packages
+OPKG:= \
+  IPKG_NO_SCRIPT=1 \
+  IPKG_TMP=$(TMP_DIR)/ipkg \
+  IPKG_INSTROOT=$(TARGET_DIR) \
+  IPKG_CONF_DIR=$(STAGING_DIR)/etc \
+  IPKG_OFFLINE_ROOT=$(TARGET_DIR) \
+  $(XARGS) $(STAGING_DIR_HOST)/bin/opkg \
+       --offline-root $(TARGET_DIR) \
+       --force-depends \
+       --force-overwrite \
+       --force-postinstall \
+       --force-maintainer \
+       --add-dest root:/ \
+       --add-arch all:100 \
+       --add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200
+
+
+define prepare_rootfs
+       @if [ -d $(TOPDIR)/files ]; then \
+               $(call file_copy,$(TOPDIR)/files/.,$(TARGET_DIR)); \
+       fi
+       @mkdir -p $(TARGET_DIR)/etc/rc.d
+       @( \
+               cd $(TARGET_DIR); \
+               for script in ./usr/lib/opkg/info/*.postinst; do \
+                       IPKG_INSTROOT=$(TARGET_DIR) $$(which bash) $$script; \
+               done; \
+               for script in ./etc/init.d/*; do \
+                       grep '#!/bin/sh /etc/rc.common' $$script >/dev/null || continue; \
+                       IPKG_INSTROOT=$(TARGET_DIR) $$(which bash) ./etc/rc.common $$script enable; \
+               done || true \
+       )
+       $(if $(SOURCE_DATE_EPOCH),sed -i "s/Installed-Time: .*/Installed-Time: $(SOURCE_DATE_EPOCH)/" $(TARGET_DIR)/usr/lib/opkg/status)
+       @-find $(TARGET_DIR) -name CVS   | $(XARGS) rm -rf
+       @-find $(TARGET_DIR) -name .svn  | $(XARGS) rm -rf
+       @-find $(TARGET_DIR) -name .git  | $(XARGS) rm -rf
+       @-find $(TARGET_DIR) -name '.#*' | $(XARGS) rm -f
+       rm -f $(TARGET_DIR)/usr/lib/opkg/info/*.postinst*
+       rm -f $(TARGET_DIR)/usr/lib/opkg/info/*.prerm*
+       $(if $(CONFIG_CLEAN_IPKG),rm -rf $(TARGET_DIR)/usr/lib/opkg)
+       $(mklibs)
+endef