mirror of https://github.com/hak5/openwrt.git
98 lines
3.3 KiB
Makefile
98 lines
3.3 KiB
Makefile
#
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# Copyright (C) 2007-2009 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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# Main makefile for the toolchain
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#
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# Steps:
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# 1) toolchain/binutils/compile
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# build & install binutils
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# 2) toolchain/gcc/minimal/compile
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# build & install a minimal gcc, needed for steps 3 & 4
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# 3) toolchain/kernel-headers/compile
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# install kernel headers, needed for step 4
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# 4) toolchain/libc/headers/compile
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# build & install libc headers & support files, needed for step 5
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# 5) toolchain/gcc/initial/compile
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# build & install an initial gcc, needed for step 6
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# 6) toolchain/libc/compile
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# build & install the final libc
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# 7) toolchain/gcc/final/compile
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# build & install the final gcc
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# 8) toolchain/libc/utils/compile
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# build & install libc utilities
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#
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# For musl, steps 2 and 4 are skipped, and step 3 is done after 5
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curdir:=toolchain
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# subdirectories to descend into
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$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),wrapper,kernel-headers binutils gcc/initial gcc/final $(LIBC) fortify-headers) $(if $(CONFIG_NASM),nasm)
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ifdef CONFIG_USE_UCLIBC
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$(curdir)/builddirs += $(LIBC)/utils
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endif
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# builddir dependencies
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ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
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ifdef CONFIG_USE_MUSL
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$(curdir)/kernel-headers/compile:=$(curdir)/gcc/initial/compile
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$(curdir)/$(LIBC)/compile:=$(curdir)/kernel-headers/compile
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else
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$(curdir)/builddirs += $(LIBC)/headers gcc/minimal
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$(curdir)/gcc/minimal/compile:=$(curdir)/binutils/compile
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$(curdir)/kernel-headers/compile:=$(curdir)/gcc/minimal/compile
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$(curdir)/$(LIBC)/headers/compile:=$(curdir)/kernel-headers/compile
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$(curdir)/gcc/initial/compile:=$(curdir)/$(LIBC)/headers/compile
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endif
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$(curdir)/gcc/initial/compile+=$(curdir)/binutils/compile
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$(curdir)/$(LIBC)/compile:=$(curdir)/gcc/initial/compile
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$(curdir)/gcc/final/compile:=$(curdir)/$(LIBC)/compile
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$(curdir)/$(LIBC)/utils/compile:=$(curdir)/gcc/final/compile
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endif
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ifndef DUMP_TARGET_DB
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ifneq ($(ARCH),)
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$(TOOLCHAIN_DIR)/info.mk: .config
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@for dir in $(TOOLCHAIN_DIR); do ( \
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$(if $(QUIET),,set -x;) \
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mkdir -p "$$dir"; \
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cd "$$dir"; \
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ln -nsf lib lib64; \
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ln -nsf lib lib32; \
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mkdir -p stamp lib usr/include usr/lib ; \
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); done
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@grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
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@touch $@
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endif
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endif
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ifdef CONFIG_BUILDBOT
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$(TOOLCHAIN_DIR)/stamp/.ver_check: $(TMP_DIR)/.build
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cd "$(TOPDIR)"; git log --format=%h -1 toolchain > $(TMP_DIR)/.ver_check
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cmp -s $(TMP_DIR)/.ver_check $@ || { \
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rm -rf $(BUILD_DIR) $(STAGING_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR_TOOLCHAIN); \
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mkdir -p $(TOOLCHAIN_DIR)/stamp; \
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mv $(TMP_DIR)/.ver_check $@; \
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}
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$(TOOLCHAIN_DIR)/info.mk $(STAGING_DIR)/.prepared: $(TOOLCHAIN_DIR)/stamp/.ver_check
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endif
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# prerequisites for the individual targets
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$(curdir)/ := .config prereq
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$(curdir)//compile = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk $(tools/stamp-compile)
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ifndef DUMP_TARGET_DB
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$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
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endif
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$(curdir)/install: $(curdir)/compile
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$(eval $(call stampfile,$(curdir),toolchain,compile,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed,,$(TOOLCHAIN_DIR)))
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$(eval $(call stampfile,$(curdir),toolchain,check,$(TMP_DIR)/.build))
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$(eval $(call subdir,$(curdir)))
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