X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=toolchain%2Fgcc%2FMakefile;h=7c037edddc0673b4458e902c82bf500b74019c22;hb=6e8ac7b3c5059154b16d575fe5945473917152de;hp=d060ab0b6c310047c55f794fc834b753fb0be1ae;hpb=f77b88d124ea1c900f9cf5e04046939aad48bbe1;p=openwrt-10.03%2F.git diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile index d060ab0b6..7c037eddd 100644 --- a/toolchain/gcc/Makefile +++ b/toolchain/gcc/Makefile @@ -1,9 +1,209 @@ +# Makefile for to build a gcc/uClibc toolchain +# +# Copyright (C) 2002-2003 Erik Andersen +# Copyright (C) 2004 Manuel Novoa III +# Copyright (C) 2005 Felix Fietkau +# +# 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 $(TOPDIR)/rules.mk -include ./gcc-uclibc-3.x.mk +GCC_VERSION:=$(strip $(CONFIG_GCC_VERSION)) + +#GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION) +GCC_SITE:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(GCC_VERSION) \ + http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION) + +GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2 +GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION) +GCC_CAT:=bzcat +GCC_STRIP_HOST_BINARIES:=true + +############################################################# +# +# Setup some initial stuff +# +############################################################# + +ifeq ($(CONFIG_INSTALL_LIBGCJ),y) +TARGET_LANGUAGES:=c,c++,java +else +ifeq ($(CONFIG_INSTALL_LIBSTDCPP),y) +TARGET_LANGUAGES:=c,c++ +else +TARGET_LANGUAGES:=c +endif +endif + +############################################################# +# +# build the first pass gcc compiler +# +############################################################# + +GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial + +$(DL_DIR)/$(GCC_SOURCE): + mkdir -p $(DL_DIR) + $(SCRIPT_DIR)/download.pl $(DL_DIR) $(GCC_SOURCE) x $(GCC_SITE) + +$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE) + mkdir -p $(TOOL_BUILD_DIR) + $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) - + touch $(GCC_DIR)/.unpacked + +$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked + # Apply any files named gcc-*.patch from the source directory to gcc + $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) \*.patch + # Note: The soft float situation has improved considerably with gcc 3.4.x. + # We can dispense with the custom spec files, as well as libfloat for the arm case. + # However, we still need a patch for arm. There's a similar patch for gcc 3.3.x + # which needs to be integrated so we can kill of libfloat for good. +ifeq ($(CONFIG_SOFT_FLOAT),y) +ifeq ("$(strip $(ARCH))","arm") + $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional +endif +ifeq ("$(strip $(ARCH))","armeb") + $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional +endif +endif + $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(GCC_DIR)/gcc/version.c + $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1\2,' $(GCC_DIR)/gcc/version.c + touch $(GCC_DIR)/.patched + +# The --without-headers option stopped working with gcc 3.0 and has never been +# # fixed, so we need to actually have working C library header files prior to +# # the step or libgcc will not build... + +$(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched + mkdir -p $(GCC_BUILD_DIR1) + (cd $(GCC_BUILD_DIR1); rm -f config.cache; PATH=$(TARGET_PATH) \ + $(GCC_DIR)/configure \ + --prefix=$(STAGING_DIR) \ + --build=$(GNU_HOST_NAME) \ + --host=$(GNU_HOST_NAME) \ + --target=$(REAL_GNU_TARGET_NAME) \ + --enable-languages=c \ + --disable-shared \ + --with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \ + --disable-__cxa_atexit \ + --enable-target-optspace \ + --with-gnu-ld \ + $(DISABLE_NLS) \ + $(MULTILIB) \ + $(SOFT_FLOAT_CONFIG_OPTION) \ + $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \ + $(EXTRA_GCC_CONFIG_OPTIONS)); + touch $(GCC_BUILD_DIR1)/.configured + +$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured + PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc + touch $(GCC_BUILD_DIR1)/.compiled + +$(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled + PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc + +############################################################# +# +# second pass compiler build. Build the compiler targeting +# the newly built shared uClibc library. +# +############################################################# +# +# Sigh... I had to rework things because using --with-gxx-include-dir +# causes issues with include dir search order for g++. This seems to +# have something to do with "path translations" and possibly doesn't +# affect gcc-target. However, I haven't tested gcc-target yet so no +# guarantees. mjn3 + +GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final +$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(STAGING_DIR)/lib/libc.a + mkdir -p $(GCC_BUILD_DIR2) + # Important! Required for limits.h to be fixed. + rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include + ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include + rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib + ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib + (cd $(GCC_BUILD_DIR2); rm -f config.cache; PATH=$(TARGET_PATH) \ + $(GCC_DIR)/configure \ + --prefix=$(STAGING_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) \ + $(MULTILIB) \ + $(SOFT_FLOAT_CONFIG_OPTION) \ + $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \ + $(GCC_USE_SJLJ_EXCEPTIONS) \ + $(EXTRA_GCC_CONFIG_OPTIONS)); + touch $(GCC_BUILD_DIR2)/.configured + +$(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured + PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all + touch $(GCC_BUILD_DIR2)/.compiled + +gcc-install: $(GCC_BUILD_DIR2)/.compiled + PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install + echo $(GCC_VERSION) > $(STAGING_DIR)/gcc_version + # Set up the symlinks to enable lying about target name. + set -e; \ + (cd $(STAGING_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##$(REAL_GNU_TARGET_NAME)}; \ + done; \ + ); + # + # Now for the ugly 3.3.x soft float hack... + # +ifeq ($(CONFIG_SOFT_FLOAT),y) +ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.) + # Make sure we have a soft float specs file for this arch + if [ ! -f ./$(GCC_VERSION)/specs-$(ARCH)-soft-float ] ; then \ + echo soft float configured but no specs file for this arch ; \ + /bin/false ; \ + fi; + # Replace specs file with one that defaults to soft float mode. + if [ ! -f $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \ + echo staging dir specs file is missing ; \ + /bin/false ; \ + fi; + $(CP) ./$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs +endif +endif +# We do another ugly hack here because the standard behaviour is +# to include a reference to libgcc.so.1 in all binaries. For flash space +# saving, we change the specs file to link in a static libgcc here. + if [ -f $(STAGING_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \ + patch -d $(STAGING_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/ -p0 < ./$(GCC_VERSION)/static-libgcc.patch.conditional ; \ + fi; -source: gcc-source -prepare: gcc_initial -compile: $(GCC_BUILD_DIR2)/.compiled -install: gcc-install -clean: gcc_initial-clean gcc-clean +source: $(DL_DIR)/$(GCC_SOURCE) +prepare: $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc +compile: gcc-install +install: +clean: gcc-clean + rm -rf $(GCC_DIR) + rm -rf $(GCC_BUILD_DIR1) + rm -rf $(GCC_BUILD_DIR2) + rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* + rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*