X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/7619fe0848dc5f31d5c4c4cadd2ec067bd5c55d1..97ae61108d5e5e6b5f0d53e2694c8ff8cafcd976:/toolchain/Makefile?ds=inline diff --git a/toolchain/Makefile b/toolchain/Makefile index 2b1358b12..7c96c85e2 100644 --- a/toolchain/Makefile +++ b/toolchain/Makefile @@ -1,47 +1,80 @@ +# +# Copyright (C) 2007-2009 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 $(TOPDIR)/rules.mk -TARGETS:=sed utils binutils gcc uClibc ipkg-utils gdb +# +# Steps: +# 1) toolchain/binutils/install +# build & install binutils +# 2) toolchain/gcc/prepare +# build & install a minimal gcc, needed for steps 3 & 4 +# 3) toolchain/kernel-headers/install +# install kernel headers, needed for step 4 +# 4) toolchain/libc/prepare +# build & install libc headers & support files, needed for step 5 +# 5) toolchain/gcc/compile +# build & install an initial gcc, needed for step 6 +# 6) toolchain/libc/compile +# build & install the final libc +# 7) toolchain/gcc/install +# build & install the final gcc +# 8) toolchain/libc/install +# build & install libc utilities +# -TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS)) -TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS)) +curdir:=toolchain -all: install -install: $(TARGETS_INSTALL) -clean: $(TARGETS_CLEAN) +# subdirectories to descend into +$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC) $(if $(CONFIG_GLIBC_PORTS),glibc-ports)) +$(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare) +$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile) -uClibc-prepare: kernel-headers-prepare sed-install utils-install -binutils-prepare: uClibc-prepare -gcc-prepare: binutils-install -uClibc-compile: gcc-prepare -gcc-compile: uClibc-install +# builddir dependencies +ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) + $(curdir)/$(LIBC)/prepare:=$(curdir)/kernel-headers/install + $(curdir)/gcc/minimal/compile:=$(curdir)/binutils/install + $(curdir)/kernel-headers/install:=$(curdir)/gcc/minimal/install + $(curdir)/gcc/initial/compile:=$(curdir)/$(LIBC)/prepare + $(curdir)/$(LIBC)/compile:=$(curdir)/gcc/initial/install + $(curdir)/gcc/final/compile:=$(curdir)/$(LIBC)/compile + $(curdir)/$(LIBC)/install:=$(curdir)/gcc/final/install + ifneq ($(CONFIG_GLIBC_PORTS),) + $(curdir)/glibc/prepare:=$(curdir)/glibc-ports/prepare + endif +endif -TOOLCHAIN_STAMP_DIR:=$(STAGING_DIR)/stampfiles +ifdef CONFIG_GCC_VERSION_LLVM + $(curdir)/builddirs += llvm + $(curdir)/gcc/minimal/compile += $(curdir)/llvm/install +endif -$(TOOLCHAIN_STAMP_DIR): - mkdir -p $(TOOLCHAIN_STAMP_DIR) +ifndef DUMP_TARGET_DB +ifneq ($(ARCH),) + $(TOOLCHAIN_DIR)/info.mk: .config + @for dir in $(TOOLCHAIN_DIR); do ( \ + set -x; \ + mkdir -p "$$dir"; \ + cd "$$dir"; \ + mkdir -p stamp lib usr/include usr/lib ; \ + ); done + @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@ + @touch $@ +endif +endif -$(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 +# prerequisites for the individual targets +$(curdir)/ := .config prereq +$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk +$(curdir)//compile = $(1)/prepare +$(curdir)//install = $(1)/compile -$(TOOL_BUILD_DIR): - @mkdir -p $(TOOL_BUILD_DIR) +ifndef DUMP_TARGET_DB +$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed: +endif -%-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,%,$@)-* +$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed,,$(TOOLCHAIN_DIR))) +$(eval $(call subdir,$(curdir)))