Add a target (CONFIG_MAKE_CONFIG) that creates an exportable toolchain. The toolchain will zipped and saved under $(TOPDIR)/bin directory.
[openwrt.org/openwrt.git] / toolchain / gcc / Makefile
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#
# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
# Copyright (C) 2005-2006 Felix Fietkau <nbd@openwrt.org>
# Copyright (C) 2006-2009 OpenWrt.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
include $(TOPDIR)/rules.mk
 
PKG_NAME:=gcc
GCC_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
 
ifdef CONFIG_GCC_VERSION_LLVM
  PKG_SOURCE_VERSION:=c98c494b72ff875884c0c7286be67f16f9f6d7ab
  PKG_REV:=83504
  GCC_DIR:=llvm-gcc-4.2-r$(PKG_REV)
  PKG_VERSION:=4.2.1
  PKG_SOURCE:=$(GCC_DIR).tar.gz
  PKG_SOURCE_PROTO:=git
  PKG_SOURCE_URL:=git://repo.or.cz/llvm-gcc-4.2.git
  PKG_SOURCE_SUBDIR:=$(GCC_DIR)
  HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GCC_DIR)
else
  PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
  PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 
  ifeq ($(PKG_VERSION),3.4.6)
    PKG_MD5SUM:=4a21ac777d4b5617283ce488b808da7b
  endif
  ifeq ($(PKG_VERSION),4.1.2)
    PKG_MD5SUM:=a4a3eb15c96030906d8494959eeda23c
  endif
  ifeq ($(PKG_VERSION),4.2.4)
    PKG_MD5SUM:=d79f553e7916ea21c556329eacfeaa16
  endif
  ifeq ($(PKG_VERSION),4.3.3)
    PKG_MD5SUM:=cc3c5565fdb9ab87a05ddb106ba0bd1f
  endif
  ifeq ($(PKG_VERSION),4.4.0)
    PKG_MD5SUM:=cf5d787bee57f38168b74d65a7c0e6fd
  endif
  ifeq ($(PKG_VERSION),4,4,1)
    PKG_MD5SUM:=927eaac3d44b22f31f9c83df82f26436
  endif
  ifeq ($(PKG_VERSION),4.4.2)
    PKG_MD5SUM:=70f5ac588a79e3c9901d5b34f58d896d
  endif
endif
 
PATCH_DIR=./patches/$(GCC_VERSION)
 
include $(INCLUDE_DIR)/toolchain-build.mk
 
HOST_STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
 
HOST_BUILD_DIR0:=$(HOST_BUILD_DIR)-minimal
HOST_BUILD_DIR1:=$(HOST_BUILD_DIR)-initial
HOST_BUILD_DIR2:=$(HOST_BUILD_DIR)-final
 
SEP:=,
TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
 
export libgcc_cv_fixed_point=no
 
GCC_CONFIGURE:= \
        SHELL="$(BASH)" \
        $(HOST_BUILD_DIR)/configure \
                --prefix=$(TOOLCHAIN_DIR)/usr \
                --build=$(GNU_HOST_NAME) \
                --host=$(GNU_HOST_NAME) \
                --target=$(REAL_GNU_TARGET_NAME) \
                --with-gnu-ld \
                --enable-target-optspace \
                --disable-libgomp \
                --disable-libmudflap \
                --disable-multilib \
                --disable-nls \
                $(if $(CONFIG_GCC_USE_GRAPHITE),--with-host-libstdcxx=-lstdc++) \
                $(SOFT_FLOAT_CONFIG_OPTION) \
                $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
                $(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 --with-abi=64) \
                $(if $(CONFIG_GCC_VERSION_LLVM),--enable-llvm=$(BUILD_DIR_BASE)/host/llvm) \
                $(if $(CONFIG_GCC_VERSION_4_3_3_CS),--enable-poison-system-directories)
 
ifneq ($(CONFIG_GCC_VERSION_4_3)$(CONFIG_GCC_VERSION_4_4),)
  GCC_BUILD_TARGET_LIBGCC:=y
  GCC_CONFIGURE+= \
                --with-gmp=$(TOPDIR)/staging_dir/host \
                --with-mpfr=$(TOPDIR)/staging_dir/host \
                --disable-decimal-float
endif
 
ifneq ($(CONFIG_SSP_SUPPORT),)
  GCC_CONFIGURE+= \
                --enable-libssp
else
  GCC_CONFIGURE+= \
                --disable-libssp
endif
 
ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
  GCC_CONFIGURE+= \
                --enable-biarch \
                --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
endif
 
ifeq ($(LIBC),uClibc)
  GCC_CONFIGURE+= \
                --disable-__cxa_atexit
else
  GCC_CONFIGURE+= \
                --enable-__cxa_atexit
endif
 
GCC_CONFIGURE_STAGE0:= \
        $(GCC_CONFIGURE) \
                --with-newlib \
                --without-headers \
                --enable-languages=c \
                --disable-libssp \
                --disable-shared \
                --disable-threads \
 
GCC_CONFIGURE_STAGE1:= \
        $(GCC_CONFIGURE) \
                --with-newlib \
                --with-sysroot=$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev \
                --enable-languages=c \
                --disable-shared \
                --disable-threads \
 
GCC_CONFIGURE_STAGE2:= \
        $(GCC_CONFIGURE) \
                --enable-languages=$(TARGET_LANGUAGES) \
                --enable-shared \
                --enable-threads \
                --disable-tls \
                --with-slibdir=$(TOOLCHAIN_DIR)/lib \
 
ifdef CONFIG_powerpc
  TARGET_CFLAGS := $(patsubst -Os,-O2,$(TARGET_CFLAGS))
endif
 
GCC_MAKE:= \
        export SHELL="$(BASH)"; \
        $(MAKE) \
                CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
                CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
 
define Host/SetToolchainInfo
        $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
        $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
endef
 
 
define Stage0/Configure
        mkdir -p $(HOST_BUILD_DIR0)
        (cd $(HOST_BUILD_DIR0); rm -f config.cache; \
                $(GCC_CONFIGURE_STAGE0) \
        );
endef
 
define Stage0/Compile
        $(GCC_MAKE) -C $(HOST_BUILD_DIR0) all-gcc
endef
 
define Stage0/Install
        $(GCC_MAKE) -C $(HOST_BUILD_DIR0) install-gcc
endef
 
 
define Stage1/Configure
        mkdir -p $(HOST_BUILD_DIR1)
        (cd $(HOST_BUILD_DIR1); rm -f config.cache; \
                $(GCC_CONFIGURE_STAGE1) \
        );
endef
 
define Stage1/Compile
        $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/
        $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
                all-build-libiberty \
                all-gcc \
                $(if $(GCC_BUILD_TARGET_LIBGCC),all-target-libgcc)
endef
 
define Stage1/Install
        $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
                install-gcc \
                $(if $(GCC_BUILD_TARGET_LIBGCC),install-target-libgcc)
        
        # XXX: glibc insists on linking against libgcc_eh
        ( cd $(TOOLCHAIN_DIR)/usr/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION) ; \
                [ -e libgcc_eh.a ] || ln -sf libgcc.a libgcc_eh.a ; \
                cp libgcc.a libgcc_initial.a; \
        )
endef
 
 
define Stage2/Configure
        mkdir -p $(HOST_BUILD_DIR2) $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)
        # Important!  Required for limits.h to be fixed.
        rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
        ln -sf ../include $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
        rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
        ln -sf ../lib $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
        $(if $(CONFIG_mips64)$(CONFIG_mips64el)$(CONFIG_x86_64),ln -sf ../lib64 $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64)
        (cd $(HOST_BUILD_DIR2); rm -f config.cache; \
                $(GCC_CONFIGURE_STAGE2) \
        );
endef
 
define Stage2/Compile
        $(GCC_MAKE) -C $(HOST_BUILD_DIR2) all
endef
 
define SetupExtraArch
        for app in $(TOOLCHAIN_DIR)/usr/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
                [ -e $$$$app ] || continue; \
                old_base=$$$$(basename $$$$app); \
                new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
                sed -e "s/@CC_BASE@/$$$$old_base/" \
                        -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
                         ./files/alternate-arch-cc.in > \
                         $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
                chmod a+x $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
        done
endef
 
define Stage2/Install
        $(GCC_MAKE) -C $(HOST_BUILD_DIR2) install
        # Set up the symlinks to enable lying about target name.
        set -e; \
        $(CP) ./files/wrapper.sh $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-wrapper.sh
        chmod +x $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-wrapper.sh
        (cd $(TOOLCHAIN_DIR)/usr; \
                ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
                cd bin; \
                for app in $(REAL_GNU_TARGET_NAME)-* ; do \
                        ln -sf $$$${app} \
                        $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
                done; \
                for app in cc gcc g++ c++ cpp ld as ; do \
                        [ -f $(REAL_GNU_TARGET_NAME)-$$$${app} ] && mv $(REAL_GNU_TARGET_NAME)-$$$${app} $(REAL_GNU_TARGET_NAME)-$$$${app}.bin ; \
                        ln -sf $(REAL_GNU_TARGET_NAME)-wrapper.sh $(REAL_GNU_TARGET_NAME)-$$$${app} ; \
                done; \
        );
        $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
endef
 
 
BUGURL=https://dev.openwrt.org/
 
define Host/Prepare
        $(call Host/SetToolchainInfo)
        $(call Host/Prepare/Default)
        ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
        $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/
        $(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_BUILD_DIR)/gcc/config/*/t-*
        $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(HOST_BUILD_DIR)/gcc/version.c
        $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:$(BUGURL)>\2,' $(HOST_BUILD_DIR)/gcc/version.c
        $(SED) 's,http://gcc.gnu.org/bugs.html,$(BUGURL),' $(HOST_BUILD_DIR)/gcc/configure
        #(cd $(HOST_BUILD_DIR)/libstdc++-v3; autoconf;);
        $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_BUILD_DIR)/libstdc++-v3/configure
        $(call Stage0/Configure)
        $(call Stage0/Compile)
        $(call Stage0/Install)
endef
 
define Host/Configure
endef
 
define Host/Compile
        $(call Stage1/Configure)
        $(call Stage1/Compile)
        $(call Stage1/Install)
endef
 
define Host/Install
        $(call Stage2/Configure)
        $(call Stage2/Compile)
        $(call Stage2/Install)
endef
 
define Host/Clean
        rm -rf \
                $(HOST_BUILD_DIR) \
                $(HOST_BUILD_DIR0) \
                $(HOST_BUILD_DIR1) \
                $(HOST_BUILD_DIR2) \
                $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
                $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME) \
                $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gc* \
                $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-c*
endef
 
$(eval $(call HostBuild))
 
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