build system: introduce a new feature called build variants.

[openwrt.git] / tools / Makefile

diff --git a/tools/Makefile b/tools/Makefile
index 21d6a94..1456c0d 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,61 +1,87 @@
-# 
-# Copyright (C) 2006 OpenWrt.org
+#
+# 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 host tools
 #
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 # Main makefile for the host tools
 #

-include $(TOPDIR)/rules.mk
-TARGETS-y:=sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage
+curdir:=tools
+
+# subdirectories to descend into
+tools-y :=
+ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+tools-$(CONFIG_GCC_VERSION_4_3)$(CONFIG_GCC_VERSION_4_4) += gmp mpfr
+endif
+tools-y += m4 autoconf automake bison pkg-config sed mklibs
+tools-y += sstrip ipkg-utils genext2fs squashfs squashfs4 mtd-utils lzma-old mkimage
+tools-y += firmware-utils patch-cmdline quilt yaffs2
+
+tools-$(CONFIG_CCACHE) += ccache
+tools-$(CONFIG_powerpc) += dtc
+tools-dep += lzma

 
 

-TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y))
+ifdef CONFIG_GCC_VERSION_4_4
+  tools-y += ppl cloog
+  $(curdir)/cloog/compile := $(curdir)/ppl/install
+endif

 
 

-all: install
-download: $(TARGETS_DOWNLOAD)
-install: $(TARGETS_INSTALL)
-clean: $(TARGETS_CLEAN)
+# builddir dependencies
+$(curdir)/pkg-config/compile := $(curdir)/sed/install
+$(curdir)/squashfs/compile := $(curdir)/lzma-old/install
+$(curdir)/squashfs4/compile := $(curdir)/lzma/install
+$(curdir)/quilt/compile := $(curdir)/sed/install
+$(curdir)/dtc/compile := $(curdir)/bison/install
+$(curdir)/autoconf/compile := $(curdir)/m4/install
+$(curdir)/automake/compile := $(curdir)/m4/install $(curdir)/autoconf/install
+$(curdir)/mpfr/compile := $(curdir)/gmp/install

 
 

-squashfs-compile: lzma-install
+$(curdir)/builddirs := $(tools-y) $(tools-dep) $(tools-)
+$(curdir)/builddirs-default := $(tools-y)

 
 

-TOOL_STAMP_DIR:=$(STAGING_DIR)/stampfiles
+define PrepareStaging
+       @for dir in $(1); do ( \
+               set -x; \
+               mkdir -p "$$dir"; \
+               cd "$$dir"; \
+               mkdir -p bin lib include stamp; \
+       ); done
+endef

 
 

-$(TOOL_STAMP_DIR):
-       mkdir -p $@
+# preparatory work
+$(STAGING_DIR)/.prepared: $(TMP_DIR)/.build
+       $(call PrepareStaging,$(STAGING_DIR))
+       mkdir -p $(BUILD_DIR)/stamp
+       touch $@

 
 

-$(STAGING_DIR):
-       @mkdir -p $@/lib
-       @mkdir -p $@/include
-       @mkdir -p $@/$(REAL_GNU_TARGET_NAME)
-       @ln -sf ../lib $@/$(REAL_GNU_TARGET_NAME)/lib
+$(STAGING_DIR_HOST)/.prepared: $(TMP_DIR)/.build
+       $(call PrepareStaging,$(STAGING_DIR_HOST))
+       mkdir -p $(BUILD_DIR_HOST)/stamp
+       $(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
+       touch $@

 
 

-$(TOOL_BUILD_DIR):
-       @mkdir -p $@

 
 

-%-download: FORCE
-       $(MAKE) -C $(patsubst %-download,%,$@) download
+define PrepareCommand
+$(STAGING_DIR_HOST)/bin/$(1): $(STAGING_DIR)/.prepared
+       @mkdir -p "$$(dir $$@)"; rm -f "$$@"
+       @export FILE="$$$$(which $(2) 2>/dev/null | grep -v 'not found' | head -n1)"; [ -n "$$$$FILE" ] || { \
+               echo "Command $(1) not found."; false; \
+       }; ln -s "$$$$FILE" "$$@"

 
 

-%-prepare: $(TOOL_STAMP_DIR) $(STAGING_DIR) $(TOOL_BUILD_DIR) FORCE
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-prepare,%,$@) prepare; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
+endef

 
 

-%-compile: %-prepare 
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-compile,%,$@) compile; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
+$(eval $(call PrepareCommand,find,gfind find))
+$(eval $(call PrepareCommand,md5sum,md5sum $(SCRIPT_DIR)/md5sum))
+$(eval $(call PrepareCommand,cp,gcp cp))
+$(eval $(call PrepareCommand,stat,gstat stat))

 
 

-%-install: %-compile
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-install,%,$@) install; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
+$(curdir)/cmddeps = $(patsubst %,$(STAGING_DIR_HOST)/bin/%,find md5sum cp stat)
+$(curdir)//prepare = $(STAGING_DIR)/.prepared $(STAGING_DIR_HOST)/.prepared $($(curdir)/cmddeps)
+$(curdir)//compile = $(STAGING_DIR)/.prepared $(STAGING_DIR_HOST)/.prepared $($(curdir)/cmddeps)

 
 

-%-clean: FORCE
-       @$(MAKE) -C $(patsubst %-clean,%,$@) clean
-       @rm -f $(TOOL_STAMP_DIR)/.tool_$(patsubst %-clean,%,$@)-*
+# prerequisites for the individual targets
+$(curdir)/ := .config prereq
+$(curdir)//install = $(1)/compile

 
 

+$(eval $(call stampfile,$(curdir),tools,install,,CONFIG_CCACHE CONFIG_powerpc CONFIG_GCC_VERSION_4_3))
+$(eval $(call subdir,$(curdir)))