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+# 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>
+#
+# 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
+
+ifneq ($(findstring 2.95,$(GCC_VERSION)),2.95)
+GCC_VERSION:=$(strip $(GCC_VERSION))
+
+GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION)
+#GCC_SITE:=http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION)
+
+#
+# snapshots....
+#GCC_VERSION:=3.3-20031013
+#GCC_SITE:=http://gcc.get-software.com/snapshots/$(GCC_VERSION)
+#
+GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
+GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
+GCC_CAT:=bzcat
+GCC_STRIP_HOST_BINARIES:=true
+
+#############################################################
+#
+# Setup some initial stuff
+#
+#############################################################
+
+ifeq ($(INSTALL_LIBGCJ),true)
+TARGET_LANGUAGES:=c,c++,java
+else
+ifeq ($(INSTALL_LIBSTDCPP),true)
+TARGET_LANGUAGES:=c,c++
+else
+TARGET_LANGUAGES:=c
+endif
+endif
+
+#############################################################
+#
+# build the first pass gcc compiler
+#
+#############################################################
+GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
+
+$(DL_DIR)/$(GCC_SOURCE):
+ echo GCC_SOURCE is $(GCC_SOURCE)
+ /bin/false
+ mkdir -p $(DL_DIR)
+ $(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)
+
+$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
+ mkdir -p $(TOOL_BUILD_DIR)
+ $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) -xvf -
+ touch $(GCC_DIR)/.unpacked
+
+$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
+ # Apply any files named gcc-*.patch from the source directory to gcc
+ $(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) $(SOURCE_DIR)/gcc/$(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, except for
+ # anyone (?) who might still be using gcc 2.95. mjn3
+ifeq ($(SOFT_FLOAT),true)
+ifeq ("$(strip $(ARCH))","arm")
+ $(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) $(SOURCE_DIR)/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
+endif
+ # Not yet updated to 3.4.1.
+ #ifeq ("$(strip $(ARCH))","i386")
+ #$(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) $(SOURCE_DIR)/gcc i386-gcc-soft-float.patch
+ #endif
+endif
+ 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 $(GCC_BUILD_DIR1); PATH=$(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) $(JLEVEL) -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) $(JLEVEL) -C $(GCC_BUILD_DIR1) install-gcc
+ #rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
+ #rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
+
+gcc_initial: uclibc-configured binutils $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
+
+gcc_initial-clean:
+ rm -rf $(GCC_BUILD_DIR1)
+ rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
+
+gcc_initial-dirclean:
+ rm -rf $(GCC_BUILD_DIR1)
+
+#############################################################
+#
+# second pass compiler build. Build the compiler targeting
+# the newly built shared uClibc library.
+#
+#############################################################
+#
+# Sigh... I had to rework things because using --with-gxx-include-dir
+# causes issues with include dir search order for g++. This seems to
+# have something to do with "path translations" and possibly doesn't
+# affect gcc-target. However, I haven't tested gcc-target yet so no
+# guarantees. mjn3
+
+GCC_BUILD_DIR2:=$(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.
+ ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+ (cd $(GCC_BUILD_DIR2); PATH=$(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) $(JLEVEL) -C $(GCC_BUILD_DIR2) all
+ touch $(GCC_BUILD_DIR2)/.compiled
+
+$(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
+ PATH=$(TARGET_PATH) $(MAKE) $(JLEVEL) -C $(GCC_BUILD_DIR2) install
+ # Strip the host binaries
+ifeq ($(GCC_STRIP_HOST_BINARIES),true)
+ -strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
+endif
+ # 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; \
+ );
+ touch $(GCC_BUILD_DIR2)/.installed
+
+$(TARGET_DIR)/lib/libgcc_s.so.1: $(GCC_BUILD_DIR2)/.installed
+ # These are in /lib, so...
+ rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
+ -$(STRIP) $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s.so.1
+ -cp -a $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* $(TARGET_DIR)/lib/
+
+gcc: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) uclibc \
+ $(TARGET_DIR)/lib/libgcc_s.so.1 $(GCC_BUILD_DIR2)/.installed $(GCC_TARGETS)
+
+gcc-source: $(DL_DIR)/$(GCC_SOURCE)
+
+gcc-clean:
+ rm -rf $(GCC_BUILD_DIR2)
+ rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
+
+gcc-dirclean:
+ rm -rf $(GCC_BUILD_DIR2)
+
+#############################################################
+#
+# Next build target gcc compiler
+#
+#############################################################
+GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
+
+$(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR2)/.installed
+ mkdir -p $(GCC_BUILD_DIR3)
+ (cd $(GCC_BUILD_DIR3); PATH=$(TARGET_PATH) \
+ $(GCC_DIR)/configure \
+ --prefix=/usr \
+ --build=$(GNU_HOST_NAME) \
+ --host=$(REAL_GNU_TARGET_NAME) \
+ --target=$(REAL_GNU_TARGET_NAME) \
+ --enable-languages=$(TARGET_LANGUAGES) \
+ --enable-shared \
+ --with-gxx-include-dir=/usr/include/c++ \
+ --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 $(GCC_BUILD_DIR3)/.configured
+
+$(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
+ PATH=$(TARGET_PATH) \
+ $(MAKE) $(JLEVEL) $(TARGET_GCC_ARGS) -C $(GCC_BUILD_DIR3) all
+ touch $(GCC_BUILD_DIR3)/.compiled
+
+#
+# gcc-lib dir changes names to gcc with 3.4.mumble
+#
+ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
+GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
+else
+GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
+endif
+
+$(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled
+ PATH=$(TARGET_PATH) \
+ $(MAKE) $(JLEVEL) DESTDIR=$(TARGET_DIR) -C $(GCC_BUILD_DIR3) install
+ # Remove broken specs file (cross compile flag is set).
+ rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
+ -(cd $(TARGET_DIR)/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
+ -(cd $(TARGET_DIR)/usr/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
+ -(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR); $(STRIP) cc1 cc1plus collect2 > /dev/null 2>&1)
+ -(cd $(TARGET_DIR)/usr/lib; $(STRIP) libstdc++.so.*.*.* > /dev/null 2>&1)
+ -(cd $(TARGET_DIR)/lib; $(STRIP) libgcc_s.so.*.*.* > /dev/null 2>&1)
+ #
+ rm -f $(TARGET_DIR)/usr/lib/*.la*
+ #rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
+ # $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc
+ # Work around problem of missing syslimits.h
+ @if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h ] ; then \
+ echo "warning: working around missing syslimits.h" ; \
+ cp -f $(STAGING_DIR)/$(GCC_LIB_SUBDIR)/include/syslimits.h \
+ $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/ ; \
+ fi
+ # These are in /lib, so...
+ #rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
+ #touch -c $(TARGET_DIR)/usr/bin/gcc
+
+gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc
+
+gcc_target-clean:
+ rm -rf $(GCC_BUILD_DIR3)
+ rm -f $(TARGET_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
+
+gcc_target-dirclean:
+ rm -rf $(GCC_BUILD_DIR3)
+
+endif