X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/3fbba28a36fbb88219790491ef2460a264017012..2b3bc2ee33940f82f949cbe84b68a01a412b7fa5:/toolchain/Makefile

diff --git a/toolchain/Makefile b/toolchain/Makefile
index c56f263bc..cbc726ef0 100644
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -1,47 +1,46 @@
+# 
+# Copyright (C) 2007 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 $(TOPDIR)/rules.mk
-TARGETS:=sed utils binutils gcc uClibc ipkg-utils gdb libmissing
-
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
-
-all: install
-install: $(TARGETS_INSTALL)
-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,%,$@)-*
+#
+curdir:=toolchain
+
+# subdirectories to descend into
+$(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc uClibc)
+$(curdir)/builddirs-compile:=. $(filter-out kernel-headers,$($(curdir)/builddirs))
+$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
+
+# builddir dependencies
+$(curdir)/uClibc/prepare:=$(curdir)/kernel-headers/prepare
+ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+  $(curdir)/binutils/prepare:=$(curdir)/uClibc/prepare
+  $(curdir)/gcc/prepare:=$(curdir)/binutils/install
+  $(curdir)/uClibc/compile:=$(curdir)/gcc/compile
+  $(curdir)/gcc/install:=$(curdir)/uClibc/compile
+  $(curdir)/uClibc/install:=$(curdir)/gcc/install
+endif
+
+$(TOOLCHAIN_DIR)/info.mk: .config
+	@for dir in $(TOOLCHAIN_DIR); do ( \
+		set -x; \
+		mkdir -p "$$dir"; \
+		cd "$$dir"; \
+		mkdir -p bin lib include stamp; \
+	); done
+	@grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
+	@touch $@
+
+# prerequisites for the individual targets
+$(curdir)/ := .config prereq
+$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk
+$(curdir)//compile = $(1)/prepare
+$(curdir)//install = $(1)/compile
+
+$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
+
+$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed))
+$(eval $(call subdir,$(curdir)))