+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
# Main makefile for the toolchain
+#
include $(TOPDIR)/rules.mk
-TARGETS:=sed utils binutils gcc uClibc ipkg-utils gdb libnotimpl
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
+TARGETS-y:=kernel-headers
+TARGETS-$(CONFIG_GDB) += gdb
+TARGETS-$(CONFIG_CCACHE) += ccache
+ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+ TARGETS-y+=binutils gcc uClibc
+endif
+
+TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
+TARGETS_COMPILE:=$(patsubst %,%-compile,$(TARGETS-y))
+TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y))
+TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y))
+STAMP:=$(STAGING_DIR)/stampfiles/.toolchain_installed
all: install
-install: $(TARGETS_INSTALL)
+download: $(TARGETS_DOWNLOAD)
+compile: $(TARGETS_COMPILE)
+install: $(STAMP)
clean: $(TARGETS_CLEAN)
-uClibc-prepare: kernel-headers-prepare sed-install utils-install
-binutils-prepare: uClibc-prepare
-gcc-prepare: binutils-install
-uClibc-compile: gcc-prepare
-gcc-compile: uClibc-install
-
-TOOLCHAIN_STAMP_DIR:=$(STAGING_DIR)/stampfiles
-
-$(TOOLCHAIN_STAMP_DIR):
- mkdir -p $(TOOLCHAIN_STAMP_DIR)
-
-$(STAGING_DIR):
- @mkdir -p $(STAGING_DIR)/lib
- @mkdir -p $(STAGING_DIR)/include
- @mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
- @ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
-
-$(TOOL_BUILD_DIR):
- @mkdir -p $(TOOL_BUILD_DIR)
-
-%-prepare: $(TOOLCHAIN_STAMP_DIR) $(STAGING_DIR) $(TOOL_BUILD_DIR)
- @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || $(MAKE) -C $(patsubst %-prepare,%,$@) prepare
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-compile: %-prepare
- @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || $(MAKE) -C $(patsubst %-compile,%,$@) compile
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-install: %-compile
- @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || $(MAKE) -C $(patsubst %-install,%,$@) install
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-clean:
- @$(MAKE) -C $(patsubst %-clean,%,$@) clean
- @rm -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$(patsubst %-clean,%,$@)-*
+ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
+ $(STAMP): $(TARGETS_INSTALL)
+endif
+
+ifeq ($(CONFIG_CCACHE),y)
+ uClibc-prepare: ccache-install
+endif
+uClibc-prepare: kernel-headers-prepare
+ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+ binutils-prepare: uClibc-prepare
+ gcc-prepare: binutils-install
+ uClibc-compile: gcc-compile
+endif
+gcc-install: uClibc-install
+
+$(STAMP):
+ mkdir -p $(shell dirname $@)
+ touch $@
+
+$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME):
+ @mkdir -p $@
+ @ln -sf ../lib $@/lib
+
+$(TOOLCHAIN_BUILD_DIR):
+ @mkdir -p $@
+
+$(eval $(call default_subtargets,$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME) $(TOOLCHAIN_BUILD_DIR)))