From 973e6e1d71c161f1df336d9eaed019b013a7927f Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 21 Jul 2016 18:49:54 +0200
Subject: build: move rootfs processing code to include/rootfs.mk so it can be
 reused later

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 include/rootfs.mk | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 include/rootfs.mk

(limited to 'include/rootfs.mk')

diff --git a/include/rootfs.mk b/include/rootfs.mk
new file mode 100644
index 0000000000..5c9276a6e4
--- /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
-- 
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