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#############################################################
#
# libelf
#
#############################################################
LIBELF_VERSION=0.8.10
LIBELF_SOURCE=libelf-$(LIBELF_VERSION).tar.gz
LIBELF_SITE=http://www.mr511.de/software/
LIBELF_DIR=$(BUILD_DIR)/libelf-$(LIBELF_VERSION)

LIBELF_ARCH:=$(ARCH)
ifeq ("$(strip $(ARCH))","armeb")
LIBELF_ARCH:=arm
endif

ifeq ($(BR2_LARGEFILE),y)
LIBELF_CONFIG:=--enable-elf64
endif

$(DL_DIR)/$(LIBELF_SOURCE):
	$(WGET) -P $(DL_DIR) $(LIBELF_SITE)/$(LIBELF_SOURCE)

$(LIBELF_DIR)/.unpacked: $(DL_DIR)/$(LIBELF_SOURCE)
	$(ZCAT) $(DL_DIR)/$(LIBELF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
	toolchain/patch-kernel.sh $(LIBELF_DIR) package/libelf libelf\*.patch
	$(CONFIG_UPDATE) $(LIBELF_DIR)
	touch $@

$(LIBELF_DIR)/.configured: $(LIBELF_DIR)/.unpacked
	(cd $(LIBELF_DIR); rm -f config.cache; \
		$(TARGET_CONFIGURE_OPTS) \
		$(TARGET_CONFIGURE_ARGS) \
		CFLAGS="$(TARGET_CFLAGS)" \
		libelf_cv_working_memmove=yes \
		mr_cv_target_elf=yes \
		libelf_64bit=yes \
		./configure \
		--target=$(GNU_TARGET_NAME) \
		--host=$(GNU_TARGET_NAME) \
		--build=$(GNU_HOST_NAME) \
		--prefix=/usr \
		--sysconfdir=/etc \
		--enable-shared \
		--disable-debug \
		--disable-sanity-checks \
		$(LIBELF_CONFIG) \
		$(DISABLE_NLS) \
	)
	touch $@

$(LIBELF_DIR)/lib/libelf.so.$(LIBELF_VERSION): $(LIBELF_DIR)/.configured
	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(LIBELF_DIR)

$(STAGING_DIR)/usr/lib/libelf.a $(STAGING_DIR)/usr/lib/libelf.so.$(LIBELF_VERSION): $(LIBELF_DIR)/lib/libelf.so.$(LIBELF_VERSION)
	$(MAKE) $(TARGET_CONFIGURE_OPTS) \
		instroot=$(STAGING_DIR) -C $(LIBELF_DIR) install

ifeq ($(BR2_PACKAGE_LIBELF_HEADERS),y)
$(TARGET_DIR)/usr/lib/libelf.so.$(LIBELF_VERSION): $(STAGING_DIR)/usr/lib/libelf.a
	$(INSTALL) $(STAGING_DIR)/usr/lib/libelf* $(@D)
	cp -dpR $(STAGING_DIR)/usr/include/{gelf.h,libelf*} $(TARGET_DIR)/usr/include/
	$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $@

libelf: uclibc $(TARGET_DIR)/usr/lib/libelf.so.$(LIBELF_VERSION)
else
libelf: uclibc $(STAGING_DIR)/usr/lib/libelf.so.$(LIBELF_VERSION)
endif
libelf-source: $(DL_DIR)/$(LIBELF_SOURCE)

libelf-clean:
	$(MAKE) prefix=$(TARGET_DIR)/usr -C $(LIBELF_DIR) uninstall
	$(MAKE) instroot=$(STAGING_DIR) -C $(LIBELF_DIR) uninstall
	-$(MAKE) -C $(LIBELF_DIR) clean

libelf-dirclean:
	rm -rf $(LIBELF_DIR)

#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(strip $(BR2_PACKAGE_LIBELF)),y)
TARGETS+=libelf
endif