# Main makefile for the toolchain
#
include $(TOPDIR)/rules.mk
-TARGETS-y:=sed kernel-headers sstrip binutils gcc uClibc ipkg-utils libnotimpl squashfs jffs2 lzma
+
+TARGETS-y:=kernel-headers
TARGETS-$(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
download: $(TARGETS_DOWNLOAD)
-install: $(TARGETS_INSTALL)
+compile: $(TARGETS_COMPILE)
+install: $(STAMP)
clean: $(TARGETS_CLEAN)
-kernel-headers-prepare: sed-install
-uClibc-prepare: kernel-headers-prepare sstrip-install
-binutils-prepare: uClibc-prepare
-gcc-prepare: binutils-install
-uClibc-compile: gcc-compile
+ifneq ($(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 ($(CONFIG_NATIVE_TOOLCHAIN),)
+ binutils-prepare: uClibc-prepare
+ gcc-prepare: binutils-install
+ uClibc-compile: gcc-compile
+endif
gcc-install: uClibc-install
-squashfs-compile: lzma-install
-
-TOOLCHAIN_STAMP_DIR:=$(STAGING_DIR)/stampfiles
-$(TOOLCHAIN_STAMP_DIR):
- mkdir -p $@
+$(STAMP):
+ mkdir -p $(shell dirname $@)
+ touch $@
-$(STAGING_DIR):
- @mkdir -p $@/lib
- @mkdir -p $@/include
- @mkdir -p $@/$(REAL_GNU_TARGET_NAME)
- @ln -sf ../lib $@/$(REAL_GNU_TARGET_NAME)/lib
-
-$(TOOL_BUILD_DIR):
+$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME):
@mkdir -p $@
+ @ln -sf ../lib $@/lib
-%-download: FORCE
- $(MAKE) -C $(patsubst %-download,%,$@) download
-
-%-prepare: $(TOOLCHAIN_STAMP_DIR) $(STAGING_DIR) $(TOOL_BUILD_DIR) FORCE
- @[ -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 $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
+$(TOOLCHAIN_BUILD_DIR):
+ @mkdir -p $@
-%-clean: FORCE
- @$(MAKE) -C $(patsubst %-clean,%,$@) clean
- @rm -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$(patsubst %-clean,%,$@)-*
+$(eval $(call default_subtargets,$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME) $(TOOLCHAIN_BUILD_DIR)))