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322 lines
11 KiB
Makefile
322 lines
11 KiB
Makefile
# Makefile for to build a gcc/uClibc toolchain
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#
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# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
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# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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ifneq ($(findstring 2.95,$(GCC_VERSION)),2.95)
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GCC_VERSION:=$(strip $(GCC_VERSION))
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#GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION)
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GCC_SITE:=http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION)
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#
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# snapshots....
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#GCC_VERSION:=3.3-20031013
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#GCC_SITE:=http://gcc.get-software.com/snapshots/$(GCC_VERSION)
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#
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GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
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GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
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GCC_CAT:=bzcat
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GCC_STRIP_HOST_BINARIES:=true
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#############################################################
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#
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# Setup some initial stuff
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#
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#############################################################
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ifeq ($(BR2_INSTALL_LIBGCJ),y)
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TARGET_LANGUAGES:=c,c++,java
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else
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ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
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TARGET_LANGUAGES:=c,c++
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else
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TARGET_LANGUAGES:=c
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endif
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endif
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#############################################################
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#
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# build the first pass gcc compiler
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#
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#############################################################
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GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
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$(DL_DIR)/$(GCC_SOURCE):
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mkdir -p $(DL_DIR)
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$(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)
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$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
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mkdir -p $(TOOL_BUILD_DIR)
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$(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
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touch $(GCC_DIR)/.unpacked
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$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
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# Apply any files named gcc-*.patch from the source directory to gcc
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toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) \*.patch
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# Note: The soft float situation has improved considerably with gcc 3.4.x.
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# We can dispense with the custom spec files, as well as libfloat for the arm case.
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# However, we still need a patch for arm. There's a similar patch for gcc 3.3.x
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# which needs to be integrated so we can kill of libfloat for good, except for
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# anyone (?) who might still be using gcc 2.95. mjn3
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ifeq ($(BR2_SOFT_FLOAT),y)
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ifeq ("$(strip $(ARCH))","arm")
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toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
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endif
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ifeq ("$(strip $(ARCH))","armeb")
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toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
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endif
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# Not yet updated to 3.4.1.
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#ifeq ("$(strip $(ARCH))","i386")
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#toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc i386-gcc-soft-float.patch
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#endif
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endif
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touch $(GCC_DIR)/.patched
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# The --without-headers option stopped working with gcc 3.0 and has never been
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# # fixed, so we need to actually have working C library header files prior to
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# # the step or libgcc will not build...
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$(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
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mkdir -p $(GCC_BUILD_DIR1)
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(cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) \
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$(GCC_DIR)/configure \
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--prefix=$(STAGING_DIR) \
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--build=$(GNU_HOST_NAME) \
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--host=$(GNU_HOST_NAME) \
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--target=$(REAL_GNU_TARGET_NAME) \
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--enable-languages=c \
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--disable-shared \
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--with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
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--disable-__cxa_atexit \
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--enable-target-optspace \
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--with-gnu-ld \
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$(DISABLE_NLS) \
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$(MULTILIB) \
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$(SOFT_FLOAT_CONFIG_OPTION) \
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$(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
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$(EXTRA_GCC_CONFIG_OPTIONS));
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touch $(GCC_BUILD_DIR1)/.configured
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$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
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PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
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touch $(GCC_BUILD_DIR1)/.compiled
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$(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
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PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
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#rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
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#rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
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gcc_initial: uclibc-configured binutils $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
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gcc_initial-clean:
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rm -rf $(GCC_BUILD_DIR1)
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rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
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gcc_initial-toolclean:
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rm -rf $(GCC_BUILD_DIR1)
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#############################################################
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#
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# second pass compiler build. Build the compiler targeting
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# the newly built shared uClibc library.
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#
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#############################################################
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#
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# Sigh... I had to rework things because using --with-gxx-include-dir
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# causes issues with include dir search order for g++. This seems to
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# have something to do with "path translations" and possibly doesn't
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# affect gcc-target. However, I haven't tested gcc-target yet so no
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# guarantees. mjn3
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GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
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$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(STAGING_DIR)/lib/libc.a
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mkdir -p $(GCC_BUILD_DIR2)
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# Important! Required for limits.h to be fixed.
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ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
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(cd $(GCC_BUILD_DIR2); PATH=$(TARGET_PATH) \
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$(GCC_DIR)/configure \
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--prefix=$(STAGING_DIR) \
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--build=$(GNU_HOST_NAME) \
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--host=$(GNU_HOST_NAME) \
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--target=$(REAL_GNU_TARGET_NAME) \
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--enable-languages=$(TARGET_LANGUAGES) \
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--enable-shared \
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--disable-__cxa_atexit \
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--enable-target-optspace \
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--with-gnu-ld \
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$(DISABLE_NLS) \
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$(MULTILIB) \
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$(SOFT_FLOAT_CONFIG_OPTION) \
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$(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
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$(GCC_USE_SJLJ_EXCEPTIONS) \
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$(EXTRA_GCC_CONFIG_OPTIONS));
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touch $(GCC_BUILD_DIR2)/.configured
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$(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
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PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all
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touch $(GCC_BUILD_DIR2)/.compiled
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$(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
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PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install
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# Strip the host binaries
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ifeq ($(GCC_STRIP_HOST_BINARIES),true)
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-strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
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endif
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# Set up the symlinks to enable lying about target name.
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set -e; \
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(cd $(STAGING_DIR); \
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ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
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cd bin; \
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for app in $(REAL_GNU_TARGET_NAME)-* ; do \
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ln -sf $${app} \
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$(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
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done; \
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);
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#
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# Now for the ugly 3.3.x soft float hack...
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#
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ifeq ($(BR2_SOFT_FLOAT),y)
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ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
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# Make sure we have a soft float specs file for this arch
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if [ ! -f toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float ] ; then \
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echo soft float configured but no specs file for this arch ; \
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/bin/false ; \
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fi;
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# Replace specs file with one that defaults to soft float mode.
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if [ ! -f $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \
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echo staging dir specs file is missing ; \
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/bin/false ; \
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fi;
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cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
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endif
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endif
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#
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# Ok... that's enough of that.
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#
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touch $(GCC_BUILD_DIR2)/.installed
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$(TARGET_DIR)/lib/libgcc_s.so.1: $(GCC_BUILD_DIR2)/.installed
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# These are in /lib, so...
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rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
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-$(STRIP) $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s.so.1
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-cp -a $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* $(TARGET_DIR)/lib/
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gcc: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) uclibc \
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$(TARGET_DIR)/lib/libgcc_s.so.1 $(GCC_BUILD_DIR2)/.installed $(GCC_TARGETS)
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gcc-source: $(DL_DIR)/$(GCC_SOURCE)
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gcc-clean:
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rm -rf $(GCC_BUILD_DIR2)
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rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
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gcc-toolclean:
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rm -rf $(GCC_BUILD_DIR2)
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#############################################################
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#
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# Next build target gcc compiler
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#
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#############################################################
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GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
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$(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR2)/.installed
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mkdir -p $(GCC_BUILD_DIR3)
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(cd $(GCC_BUILD_DIR3); PATH=$(TARGET_PATH) \
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$(GCC_DIR)/configure \
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--prefix=/usr \
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--build=$(GNU_HOST_NAME) \
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--host=$(REAL_GNU_TARGET_NAME) \
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--target=$(REAL_GNU_TARGET_NAME) \
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--enable-languages=$(TARGET_LANGUAGES) \
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--enable-shared \
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--with-gxx-include-dir=/usr/include/c++ \
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--disable-__cxa_atexit \
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--enable-target-optspace \
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--with-gnu-ld \
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$(DISABLE_NLS) \
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$(MULTILIB) \
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$(SOFT_FLOAT_CONFIG_OPTION) \
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$(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
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$(GCC_USE_SJLJ_EXCEPTIONS) \
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$(EXTRA_GCC_CONFIG_OPTIONS));
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touch $(GCC_BUILD_DIR3)/.configured
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$(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
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PATH=$(TARGET_PATH) \
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$(MAKE) $(TARGET_GCC_ARGS) -C $(GCC_BUILD_DIR3) all
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touch $(GCC_BUILD_DIR3)/.compiled
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#
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# gcc-lib dir changes names to gcc with 3.4.mumble
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#
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ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
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GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
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else
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GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
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endif
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$(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled
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PATH=$(TARGET_PATH) \
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$(MAKE) DESTDIR=$(TARGET_DIR) -C $(GCC_BUILD_DIR3) install
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# Remove broken specs file (cross compile flag is set).
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rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
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#
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# Now for the ugly 3.3.x soft float hack...
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#
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ifeq ($(BR2_SOFT_FLOAT),y)
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ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
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# Add a specs file that defaults to soft float mode.
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cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
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# Make sure gcc does not think we are cross compiling
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$(SED) "s/^1/0/;" $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
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endif
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endif
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#
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# Ok... that's enough of that.
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#
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-(cd $(TARGET_DIR)/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
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-(cd $(TARGET_DIR)/usr/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
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-(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR); $(STRIP) cc1 cc1plus collect2 > /dev/null 2>&1)
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-(cd $(TARGET_DIR)/usr/lib; $(STRIP) libstdc++.so.*.*.* > /dev/null 2>&1)
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-(cd $(TARGET_DIR)/lib; $(STRIP) libgcc_s.so.*.*.* > /dev/null 2>&1)
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#
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rm -f $(TARGET_DIR)/usr/lib/*.la*
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#rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
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# $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc
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# Work around problem of missing syslimits.h
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@if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h ] ; then \
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echo "warning: working around missing syslimits.h" ; \
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cp -f $(STAGING_DIR)/$(GCC_LIB_SUBDIR)/include/syslimits.h \
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$(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/ ; \
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fi
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# These are in /lib, so...
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#rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
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#touch -c $(TARGET_DIR)/usr/bin/gcc
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gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc
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gcc_target-clean:
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rm -rf $(GCC_BUILD_DIR3)
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rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)*
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gcc_target-toolclean:
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rm -rf $(GCC_BUILD_DIR3)
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endif
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