diff options
| -rw-r--r-- | Config.in | 8 | ||||
| -rw-r--r-- | package/Makefile | 35 |
2 files changed, 43 insertions, 0 deletions
@@ -126,6 +126,14 @@ choice endchoice +config USE_MKLIBS + bool "Strip unnecessary functions from libraries" + help + Reduces libraries to only those functions that are necessary for using all + selected packages (including those selected as <M>) + Note that this will make the system libraries incompatible with most of the packages + that are not selected during the build process + comment "Package build options" config DEBUG diff --git a/package/Makefile b/package/Makefile index b7337a6840..362a63cc8e 100644 --- a/package/Makefile +++ b/package/Makefile @@ -25,6 +25,40 @@ $(curdir)/install:=$(curdir)/install-cleanup $(curdir)/cleanup: $(TMP_DIR)/.build rm -rf $(TARGET_DIR) $(STAGING_DIR_ROOT) +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-progs + mkdir -p $(TMP_DIR)/mklibs-out + $(STAGING_DIR_HOST)/bin/mklibs.py -D -v \ + -d $(TMP_DIR)/mklibs-out \ + --sysroot $(STAGING_DIR_ROOT) \ + -L /lib \ + -L /usr/lib \ + --ldlib $(patsubst $(STAGING_DIR_ROOT)/%,/%,$(firstword $(wildcard \ + $(foreach name,ld-uClibc.so.* ld-linux.so.*, \ + $(STAGING_DIR_ROOT)/lib/$(name) \ + )))) \ + --target $(REAL_GNU_TARGET_NAME) \ + `cat $(TMP_DIR)/mklibs-progs` 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 + $(curdir)/rootfs-prepare: $(TMP_DIR)/.build @-$(MAKE) package/preconfig @if [ -d $(TOPDIR)/files ]; then \ @@ -42,6 +76,7 @@ $(curdir)/rootfs-prepare: $(TMP_DIR)/.build @-find $(TARGET_DIR) -name .svn | $(XARGS) rm -rf @-find $(TARGET_DIR) -name '.#*' | $(XARGS) rm -f $(if $(CONFIG_CLEAN_IPKG),rm -rf $(TARGET_DIR)/usr/lib/ipkg) + $(call mklibs) $(curdir)/index: FORCE @(cd $(PACKAGE_DIR); $(SCRIPT_DIR)/ipkg-make-index.sh . > Packages && \ |