X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/9d30652149fd745711342cec7ee8574e973ec241..78d185add66052f54f7b3c76e1f551c36c75c3a2:/openwrt/toolchain/gcc/Makefile

diff --git a/openwrt/toolchain/gcc/Makefile b/openwrt/toolchain/gcc/Makefile
index d060ab0b6..26e17ad61 100644
--- a/openwrt/toolchain/gcc/Makefile
+++ b/openwrt/toolchain/gcc/Makefile
@@ -1,9 +1,209 @@
+# 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 Felix Fietkau <openwrt@nbd.name>
+#
+# 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 $(GCC_VERSION))
+
+#GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(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-$(GCC_VERSION)
+GCC_CAT:=bzcat
+GCC_STRIP_HOST_BINARIES:=true
+
+#############################################################
+#
+# Setup some initial stuff
+#
+#############################################################
+
+ifeq ($(BR2_INSTALL_LIBGCJ),y)
+TARGET_LANGUAGES:=c,c++,java
+else
+ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
+TARGET_LANGUAGES:=c,c++
+else
+TARGET_LANGUAGES:=c
+endif
+endif
+
+#############################################################
+#
+# build the first pass gcc compiler
+#
+#############################################################
+
+GCC_BUILD_DIR1:=$(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 ($(BR2_SOFT_FLOAT),y)
+ifeq ("$(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<URL:https://dev.openwrt.org/>\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##$(REAL_GNU_TARGET_NAME)}; \
+		done; \
+	);
+	#
+	# Now for the ugly 3.3.x soft float hack...
+	#
+ifeq ($(BR2_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*