Major buildroot facelift, step one.

 -Erik

1 files changed, 321 insertions, 0 deletions

diff --git a/toolchain/gcc/gcc-uclibc-3.x.mk b/toolchain/gcc/gcc-uclibc-3.x.mk
new file mode 100644
index 000000000..cc32d2952
--- /dev/null
+++ b/toolchain/gcc/gcc-uclibc-3.x.mk
@@ -0,0 +1,321 @@
+# 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):
+	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 $(GCC_DIR) toolchain/gcc/$(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 $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
+endif
+ifeq ("$(strip $(ARCH))","armeb")
+	$(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(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) toolchain/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##$(REAL_GNU_TARGET_NAME)}; \
+		done; \
+	);
+	#
+	# Now for the ugly 3.3.x soft float hack...
+	#
+ifeq ($(SOFT_FLOAT),true)
+ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
+	# Make sure we have a soft float specs file for this arch
+	if [ ! -f toolchain/gcc/$(GCC_VERSION)/specs-$(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)/$(GCC_VERSION)/specs ] ; then \
+		echo staging dir specs file is missing ; \
+		/bin/false ; \
+	fi;
+	cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
+endif
+endif
+	#
+	# Ok... that's enough of that.
+	#
+	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
+	#
+	# Now for the ugly 3.3.x soft float hack...
+	#
+ifeq ($(SOFT_FLOAT),true)
+ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
+	# Add a specs file that defaults to soft float mode.
+	cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
+	# Make sure gcc does not think we are cross compiling
+	$(SED) "s/^1/0/;" $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
+endif
+endif
+	#
+	# Ok... that's enough of that.
+	#
+	-(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