Add support for libelf

package/Config.in

@@ -46,6 +46,7 @@ source "package/iproute2/Config.in"
 source "package/iptables/Config.in"
 source "package/jpeg/Config.in"
 source "package/less/Config.in"
+source "package/libelf/Config.in"
 source "package/libfloat/Config.in"
 source "package/libglib12/Config.in"
 source "package/libmad/Config.in"

package/libelf/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_LIBELF
+	bool "libelf"
+	default n
+	help
+	  This is the public release of libelf-0.8.5, a free ELF object
+	  file access library.
+
+	  http://www.stud.uni-hannover.de/~michael/software/

package/libelf/libelf.mk

@@ -0,0 +1,61 @@
+#############################################################
+#
+# libelf
+#
+#############################################################
+LIBELF_VER=0.8.5
+LIBELF_SOURCE=libelf-$(LIBELF_VER).tar.gz
+LIBELF_SITE=http://www.stud.uni-hannover.de/~michael/software/
+LIBELF_DIR=$(BUILD_DIR)/libelf-$(LIBELF_VER)
+
+LIBELF_ARCH:=$(ARCH)
+ifeq ("$(strip $(ARCH))","armeb")
+LIBELF_ARCH:=arm
+endif
+
+$(DL_DIR)/$(LIBELF_SOURCE):
+	$(WGET) -P $(DL_DIR) $(LIBELF_SITE)/$(LIBELF_SOURCE)
+
+$(LIBELF_DIR)/.source: $(DL_DIR)/$(LIBELF_SOURCE)
+	zcat $(DL_DIR)/$(LIBELF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	touch $(LIBELF_DIR)/.source
+
+$(LIBELF_DIR)/.configured: $(LIBELF_DIR)/.source
+	(cd $(LIBELF_DIR); \
+		$(TARGET_CONFIGURE_OPTS) \
+		./configure \
+		--target=$(GNU_TARGET_NAME) \
+		--host=$(GNU_TARGET_NAME) \
+		--build=$(GNU_HOST_NAME) \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+	);
+	touch $(LIBELF_DIR)/.configured;
+
+$(LIBELF_DIR)/libelf.so.$(LIBELF_VER): $(LIBELF_DIR)/.configured
+	$(MAKE) CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld ARCH=$(LIBELF_ARCH) \
+		-C $(LIBELF_DIR)
+
+$(TARGET_DIR)/usr/lib/libelf.so.$(LIBELF_VER): $(LIBELF_DIR)/libelf.so.$(LIBELF_VER)
+	$(INSTALL) -d -m 0644 $(LIBELF_DIR)/libelf.so.$(LIBELF_VER) $(TARGET_DIR)/usr/lib/
+	$(INSTALL) -d -m 0644 $(LIBELF_DIR)/libelf.so $(TARGET_DIR)/usr/lib/
+
+libelf: uclibc $(TARGET_DIR)/usr/lib/libelf.so.$(LIBELF_VER)
+
+libelf-source: $(DL_DIR)/$(LIBELF_SOURCE)
+
+libelf-clean:
+	$(MAKE) prefix=$(TARGET_DIR)/usr -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