[toolchain] provide a cleaner way to specify a biarch toolchain build
[openwrt.git] / toolchain / gcc / Makefile
index d060ab0..875c375 100644 (file)
@@ -1,9 +1,172 @@
+# Makefile for to build a gcc/uClibc toolchain
+#
+# 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>
+#
+# 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
 
-include ./gcc-uclibc-3.x.mk
+PKG_NAME:=gcc
+PKG_VERSION:=$(strip $(subst ",, $(CONFIG_GCC_VERSION)))#"))
+
+PATCH_DIR=./patches/$(PKG_VERSION)
+PKG_SOURCE_URL:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(PKG_VERSION) \
+       http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(PKG_VERSION) \
+       ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(PKG_VERSION)
+PKG_SOURCE:=gcc-$(PKG_VERSION).tar.bz2
+STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
+BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
+BUILD_DIR1:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-initial
+BUILD_DIR2:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-final
+
+SEP:=,
+TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
+
+EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc)
+
+define Stage1/Configure
+       $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
+       $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
+       mkdir -p $(BUILD_DIR1)
+       (cd $(BUILD_DIR1); rm -f config.cache; \
+               SHELL="$(BASH)" \
+               $(PKG_BUILD_DIR)/configure \
+               --prefix=$(TOOLCHAIN_DIR) \
+               --build=$(GNU_HOST_NAME) \
+               --host=$(GNU_HOST_NAME) \
+               --target=$(REAL_GNU_TARGET_NAME) \
+               --enable-languages=c \
+               --disable-shared \
+               --with-sysroot=$(BUILD_DIR_HOST)/uClibc_dev/ \
+               --disable-__cxa_atexit \
+               --enable-target-optspace \
+               --with-gnu-ld \
+               --disable-nls \
+               --disable-libmudflap \
+               --disable-multilib \
+               $(EXTRA_TARGET) \
+               $(SOFT_FLOAT_CONFIG_OPTION) \
+               $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
+       );
+endef
+define Stage1/Compile
+       export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) all-gcc
+endef
+define Stage1/Install
+       export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) install-gcc
+endef
+
+define Stage2/Configure
+       mkdir -p $(BUILD_DIR2)
+       # Important!  Required for limits.h to be fixed.
+       rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+       ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+       rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+       ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+       (cd $(BUILD_DIR2); rm -f config.cache; \
+               SHELL="$(BASH)" \
+               $(PKG_BUILD_DIR)/configure \
+               --prefix=$(TOOLCHAIN_DIR) \
+               --build=$(GNU_HOST_NAME) \
+               --host=$(GNU_HOST_NAME) \
+               --target=$(REAL_GNU_TARGET_NAME) \
+               --enable-languages=$(TARGET_LANGUAGES) \
+               --enable-shared \
+               --disable-__cxa_atexit \
+               --enable-target-optspace \
+               --with-gnu-ld \
+               --disable-nls \
+               --disable-libmudflap \
+               --disable-multilib \
+               $(EXTRA_TARGET) \
+               $(SOFT_FLOAT_CONFIG_OPTION) \
+               $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
+       );
+endef
+
+define Stage2/Compile
+       export SHELL="\$(BASH)"; \$(MAKE) -C \$(BUILD_DIR2) all
+endef
+
+define SetupExtraArch
+       for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
+               [ -e $$$$app ] || continue; \
+               old_base=$$$$(basename $$$$app); \
+               new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
+               sed -e "s/@CC_BASE@/$$$$old_base/" \
+                       -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
+                        ./files/alternate-arch-cc.in > \
+                        $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
+               chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
+       done
+endef
+
+define Stage2/Install
+       $(MAKE) -C $(BUILD_DIR2) \
+               SHELL="$(BASH)" \
+               install
+       # Set up the symlinks to enable lying about target name.
+       set -e; \
+       (cd $(TOOLCHAIN_DIR); \
+               ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
+               cd bin; \
+               for app in $(REAL_GNU_TARGET_NAME)-* ; do \
+                       ln -sf $$$${app} \
+                       $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
+               done; \
+       );
+       $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
+endef
+
+define Build/Prepare
+       $(call Build/Prepare/Default)
+       $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(PKG_BUILD_DIR)/gcc/version.c
+       $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:https://dev.openwrt.org/>\2,' $(PKG_BUILD_DIR)/gcc/version.c
+       (cd $(PKG_BUILD_DIR)/libstdc++-v3; autoconf;);
+       $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(PKG_BUILD_DIR)/libstdc++-v3/configure
+endef
+
+define Build/Configure
+       $(call Stage1/Configure)
+endef
+
+define Build/Compile
+       $(call Stage1/Compile)
+       $(if $(wildcard $(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-gcc),,$(call Stage1/Install))
+endef
+
+define Build/Install
+       $(call Stage2/Configure)
+       $(call Stage2/Compile)
+       $(call Stage2/Install)
+endef
+
+define Build/Clean
+       rm -rf \
+               $(PKG_BUILD_DIR) \
+               $(BUILD_DIR1) \
+               $(BUILD_DIR2) \
+               $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
+               $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
+               $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
+endef
 
-source: gcc-source
-prepare: gcc_initial
-compile: $(GCC_BUILD_DIR2)/.compiled
-install: gcc-install
-clean: gcc_initial-clean gcc-clean
+$(eval $(call HostBuild))
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