gcc-3.3.mk

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# Makefile for to build a gcc/uClibc toolchain
#
# Copyright (C) 2002-2003 Erik Andersen <[e-mail]>
#
# 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 ($(GCC_2_95_TOOLCHAIN),true)

# Older stuff...
#GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/
#GCC_SOURCE:=gcc-3.3.tar.gz
#GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-3.3
#GCC_CAT:=zcat

# Shiny new stuff...
GCC_VERSION:=3.3.1
#GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/gcc-$(GCC_VERSION)
#GCC_SITE:=http://www.binarycode.org/gcc/releases/gcc-$(GCC_VERSION)
GCC_SITE:=http://gcc.get-software.com/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.gz
GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
GCC_CAT:=gzip -dc

#############################################################
#
# Setup some initial stuff
#
#############################################################

ifeq ($(INSTALL_LIBSTDCPP),true)
TARGET_LANGUAGES:=c,c++
else
TARGET_LANGUAGES:=c
endif

#############################################################
#
# build the first pass gcc compiler
#
#############################################################
GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-3.3-initial

$(DL_DIR)/$(GCC_SOURCE):
#	$(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)

$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
	$(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) $(SOURCE_DIR) gcc-*.patch
ifeq ($(SOFT_FLOAT),true)
ifeq ("$(strip $(ARCH))","i386")
	$(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) $(SOURCE_DIR) i386-gcc-soft-float.patch
endif
endif
	touch $(GCC_DIR)/.patched

$(GCC_DIR)/.gcc3_3_build_hacks: $(GCC_DIR)/.patched
	#
	# Hack things to use the correct shared lib loader
	#
	(cd $(GCC_DIR); set -e; export LIST=`grep -lr -- "-dynamic-linker.*\.so[\.0-9]*" *`;\
		if [ -n "$$LIST" ] ; then \
		$(SED) "s,-dynamic-linker.*\.so[\.0-9]*},\
		    -dynamic-linker /lib/ld-uClibc.so.0},;" $$LIST; fi);
	#
	# Prevent gcc from using the unwind-dw2-fde-glibc code used for
	# unwinding stack frames for C++ exception handling.  The
	# unwind-dw2-fde-glibc code depends on glibc's ldso, we want to
	# use the generic version instead.
	#
	$(SED) "s,^#ifndef inhibit_libc,#define inhibit_libc\n\
		#ifndef inhibit_libc,g;" $(GCC_DIR)/gcc/unwind-dw2-fde-glibc.c;
	#
	# Prevent system glibc start files from leaking in uninvited...
	#
	$(SED) "s,standard_startfile_prefix_1 = \".*,standard_startfile_prefix_1 =\
		\"$(STAGING_DIR)/lib/\";,;" $(GCC_DIR)/gcc/gcc.c;
	$(SED) "s,standard_startfile_prefix_2 = \".*,standard_startfile_prefix_2 =\
		\"$(STAGING_DIR)/usr/lib/\";,;" $(GCC_DIR)/gcc/gcc.c;
	#
	# Prevent system glibc include files from leaking in uninvited...
	#
	$(SED) "s,^NATIVE_SYSTEM_HEADER_DIR.*,NATIVE_SYSTEM_HEADER_DIR=\
		$(STAGING_DIR)/include,;" $(GCC_DIR)/gcc/Makefile.in;
	$(SED) "s,^CROSS_SYSTEM_HEADER_DIR.*,CROSS_SYSTEM_HEADER_DIR=\
		$(STAGING_DIR)/include,;" $(GCC_DIR)/gcc/Makefile.in;
	$(SED) "s,^#define.*STANDARD_INCLUDE_DIR.*,#define STANDARD_INCLUDE_DIR \
		\"$(STAGING_DIR)/include\",;" $(GCC_DIR)/gcc/cppdefault.h;
	#
	# Prevent system glibc libraries from being found by collect2 
	# when it calls locatelib() and rummages about the system looking 
	# for libraries with the correct name...
	#
	$(SED) "s,\"/lib,\"$(STAGING_DIR)/lib,g;" $(GCC_DIR)/gcc/collect2.c
	$(SED) "s,\"/usr/,\"$(STAGING_DIR)/usr/,g;" $(GCC_DIR)/gcc/collect2.c
	touch $(GCC_DIR)/.gcc3_3_build_hacks

# 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)/.gcc3_3_build_hacks
	mkdir -p $(GCC_BUILD_DIR1)
	echo -e "#!/bin/sh\nexec $(GCC_BUILD_DIR1)/gcc/xgcc -B$(GCC_BUILD_DIR1)/gcc/ -B$(STAGING_DIR)/$(ARCH)-linux/bin/ -B$(STAGING_DIR)/$(ARCH)-linux/lib/ -isystem $(STAGING_DIR)/$(ARCH)-linux/include $(TARGET_SOFT_FLOAT) \$$@" > $(GCC_BUILD_DIR1)/target_gcc
	chmod a+x $(GCC_BUILD_DIR1)/target_gcc
	(cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) AR=$(TARGET_CROSS)ar \
		RANLIB=$(TARGET_CROSS)ranlib \
		CC="$(HOSTCC)" \
		LDFLAGS="$(HOSTLDFLAGS)" \
		gcc_cv_as_hidden=no \
		$(GCC_DIR)/configure \
		--target=$(GNU_TARGET_NAME) \
		--host=$(GNU_HOST_NAME) \
		--build=$(GNU_HOST_NAME) \
		--prefix=$(STAGING_DIR) \
		--exec-prefix=$(STAGING_DIR) \
		--bindir=$(STAGING_DIR)/bin \
		--sbindir=$(STAGING_DIR)/sbin \
		--sysconfdir=$(STAGING_DIR)/etc \
		--datadir=$(STAGING_DIR)/share \
		--includedir=$(STAGING_DIR)/include \
		--libdir=$(STAGING_DIR)/lib \
		--localstatedir=$(STAGING_DIR)/var \
		--mandir=$(STAGING_DIR)/man \
		--infodir=$(STAGING_DIR)/info \
		--with-local-prefix=$(STAGING_DIR)/usr/local \
		--oldincludedir=$(STAGING_DIR)/include $(MULTILIB) \
		--enable-target-optspace $(DISABLE_NLS) --with-gnu-ld \
		--disable-shared --enable-languages=c --disable-__cxa_atexit \
		$(SOFT_FLOAT_CONFIG_OPTION) \
		$(EXTRA_GCC_CONFIG_OPTIONS) --program-prefix=$(ARCH)-linux-);
	touch $(GCC_BUILD_DIR1)/.configured

$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
	PATH=$(TARGET_PATH) $(MAKE) $(JLEVEL) -C $(GCC_BUILD_DIR1) \
	    CC="$(HOSTCC)" \
	    LDFLAGS="$(HOSTLDFLAGS)" \
	    AR_FOR_TARGET=$(STAGING_DIR)/bin/$(ARCH)-linux-ar \
	    RANLIB_FOR_TARGET=$(STAGING_DIR)/bin/$(ARCH)-linux-ranlib \
	    CC_FOR_TARGET=$(GCC_BUILD_DIR1)/target_gcc \
	    GCC_FOR_TARGET=$(GCC_BUILD_DIR1)/target_gcc
	touch $(GCC_BUILD_DIR1)/.compiled

$(STAGING_DIR)/bin/$(ARCH)-linux-gcc: $(GCC_BUILD_DIR1)/.compiled
	PATH=$(TARGET_PATH) $(MAKE) $(JLEVEL) \
	    CC="$(HOSTCC)" \
	    LDFLAGS="$(HOSTLDFLAGS)" \
	    -C $(GCC_BUILD_DIR1) install;
	#Cleanup then mess when --program-prefix mysteriously fails 
	-mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-cpp $(STAGING_DIR)/bin/$(ARCH)-linux-cpp
	-mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-gcc $(STAGING_DIR)/bin/$(ARCH)-linux-gcc
	if [ -n "$(strip $(TARGET_SOFT_FLOAT))" ] ; then \
		for app in gcc c++ g++ ; do \
			if [ -x $(STAGING_DIR)/bin/$(ARCH)-linux-$${app} ] ; then \
			    (cd $(STAGING_DIR)/bin; \
				rm -f $(ARCH)-linux-$${app}$(TARGET_SOFT_FLOAT); \
				echo -e "#!/bin/sh\nexec $(STAGING_DIR)/bin/$(ARCH)-linux-$${app} -msoft-float \$$@" > $(ARCH)-linux-$${app}$(TARGET_SOFT_FLOAT); \
				chmod a+x $(ARCH)-linux-$${app}$(TARGET_SOFT_FLOAT); \
			    ); \
			fi; \
		done; \
	fi; \
	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

gcc3_3_initial: binutils uclibc-configured $(STAGING_DIR)/bin/$(ARCH)-linux-gcc

gcc3_3_initial-clean:
	rm -rf $(GCC_BUILD_DIR1)
	rm -f $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)*

gcc3_3_initial-dirclean:
	rm -rf $(GCC_BUILD_DIR1)

#############################################################
#
# second pass compiler build.  Build the compiler targeting 
# the newly built shared uClibc library.
#
#############################################################
GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-3.3-final
$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched
	mkdir -p $(GCC_BUILD_DIR2)
	echo -e "#!/bin/sh\nexec $(GCC_BUILD_DIR2)/gcc/xgcc -B$(GCC_BUILD_DIR2)/gcc/ -B$(STAGING_DIR)/$(ARCH)-linux/bin/ -B$(STAGING_DIR)/$(ARCH)-linux/lib/ -isystem $(STAGING_DIR)/$(ARCH)-linux/include $(TARGET_SOFT_FLOAT) \$$@" > $(GCC_BUILD_DIR2)/target_g++
	chmod a+x $(GCC_BUILD_DIR2)/target_g++
	echo -e "#!/bin/sh\nexec $(GCC_BUILD_DIR2)/gcc/xgcc -B$(GCC_BUILD_DIR2)/gcc/ -B$(STAGING_DIR)/$(ARCH)-linux/bin/ -B$(STAGING_DIR)/$(ARCH)-linux/lib/ -isystem $(STAGING_DIR)/$(ARCH)-linux/include $(TARGET_SOFT_FLOAT) \$$@" > $(GCC_BUILD_DIR2)/target_gcc
	chmod a+x $(GCC_BUILD_DIR2)/target_gcc
	(cd $(GCC_BUILD_DIR2); PATH=$(TARGET_PATH) AR=$(TARGET_CROSS)ar \
		RANLIB=$(TARGET_CROSS)ranlib LD=$(TARGET_CROSS)ld \
		NM=$(TARGET_CROSS)nm \
		CC="$(HOSTCC)" \
		LDFLAGS="$(HOSTLDFLAGS)" \
		gcc_cv_as_hidden=no \
		$(GCC_DIR)/configure \
		--target=$(GNU_TARGET_NAME) \
		--host=$(GNU_HOST_NAME) \
		--build=$(GNU_HOST_NAME) \
		--prefix=$(STAGING_DIR) \
		--exec-prefix=$(STAGING_DIR) \
		--bindir=$(STAGING_DIR)/bin \
		--sbindir=$(STAGING_DIR)/sbin \
		--sysconfdir=$(STAGING_DIR)/etc \
		--datadir=$(STAGING_DIR)/share \
		--localstatedir=$(STAGING_DIR)/var \
		--mandir=$(STAGING_DIR)/man \
		--infodir=$(STAGING_DIR)/info \
		--with-local-prefix=$(STAGING_DIR)/usr/local \
		--libdir=$(STAGING_DIR)/lib \