-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 $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \
- $(TRACE) toolchain/$(patsubst %-prepare,%,$@)/prepare; \
- $(MAKE) -C $(patsubst %-prepare,%,$@) prepare; \
- }
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-compile: %-prepare
- @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \
- $(TRACE) toolchain/$(patsubst %-compile,%,$@)/compile; \
- $(MAKE) -C $(patsubst %-compile,%,$@) compile; \
- }
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-install: %-compile
- @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \
- $(TRACE) toolchain/$(patsubst %-install,%,$@)/install; \
- $(MAKE) -C $(patsubst %-install,%,$@) install; \
- }
- @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@
-
-%-clean:
- $(TRACE) toolchain/$(patsubst %-clean,%,$@)/clean
- @$(MAKE) -C $(patsubst %-clean,%,$@) clean
- @rm -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$(patsubst %-clean,%,$@)-*
+ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
+ $(STAMP): $(TARGETS_INSTALL)
+endif
+
+uClibc-prepare: kernel-headers-prepare
+ifeq ($(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 $@
+
+%-prereq %-download %-clean %-refresh %-update: FORCE
+ $(MAKE) -C $* $(patsubst $*-%,%,$@)
+
+%-prepare: $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME) $(TOOLCHAIN_BUILD_DIR)
+ $(MAKE) -C $* $(patsubst $*-%,%,$@)