1 files changed, 208 insertions, 0 deletions
diff --git a/misc/buildroot/toolchain/gcc/gcc-nuttx-4.x.mk b/misc/buildroot/toolchain/gcc/gcc-nuttx-4.x.mk
new file mode 100644
index 000000000..25da37e29
--- /dev/null
+++ b/misc/buildroot/toolchain/gcc/gcc-nuttx-4.x.mk
@@ -0,0 +1,208 @@
+# Makefile for to build a gcc/nuttx 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
+
+# sysroot support works with gcc >= 4.2.0 only
+ifeq ($(BR2_GCC_SUPPORTS_SYSROOT),y)
+
+GCC_OFFICIAL_VER:=$(GCC_VERSION)
+GCC_SITE:=http://ftp.gnu.org/gnu/gcc/gcc-$(GCC_VERSION)
+#GCC_SITE:=ftp://ftp.ibiblio.org/pub/mirrors/gnu/ftp/gnu/gcc/gcc-$(GCC_OFFICIAL_VER)
+
+GCC_SOURCE:=gcc-$(GCC_OFFICIAL_VER).tar.bz2
+GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_OFFICIAL_VER)
+GCC_CAT:=$(BZCAT)
+GCC_STRIP_HOST_BINARIES:=true
+
+# gcc 4.6.x quadmath requires wchar
+ifneq ($(BR2_TOOLCHAIN_BUILDROOT_WCHAR),y)
+GCC_QUADMATH=--disable-libquadmath
+endif
+
+#############################################################
+#
+# Setup some initial stuff
+#
+#############################################################
+
+GCC_TARGET_LANGUAGES:=c
+
+ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
+GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),c++
+endif
+
+ifeq ($(BR2_INSTALL_LIBGCJ),y)
+GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),java
+endif
+
+ifeq ($(BR2_INSTALL_OBJC),y)
+GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),objc
+endif
+
+ifeq ($(BR2_INSTALL_FORTRAN),y)
+GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),fortran
+endif
+
+GCC_SHARED_LIBGCC:=--disable-shared
+
+ifneq ($(BR2_ENABLE_LOCALE),y)
+GCC_ENABLE_CLOCALE:=--disable-clocale
+endif
+
+#############################################################
+#
+# build the gcc compiler
+#
+#############################################################
+GCC_BUILD_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-build
+
+$(DL_DIR)/$(GCC_SOURCE):
+	mkdir -p $(DL_DIR)
+	$(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)
+
+gcc-unpacked: $(GCC_DIR)/.unpacked
+$(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) -
+	$(CONFIG_UPDATE) $(GCC_DIR)
+	touch $@
+
+gcc-patched: $(GCC_DIR)/.patched
+$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
+	# Apply any files named gcc-*.patch from the source directory to gcc
+	toolchain/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 ($(BR2_SOFT_FLOAT),y)
+ifeq ("$(strip $(ARCH))","arm")
+	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
+endif
+ifeq ("$(strip $(ARCH))","armeb")
+	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
+endif
+endif
+	touch $@
+
+$(GCC_BUILD_DIR)/.configured: $(GCC_DIR)/.patched
+	mkdir -p $(GCC_BUILD_DIR)
+	# Important!  Required for limits.h to be fixed.
+	ln -snf ../include/ $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+	(cd $(GCC_BUILD_DIR); rm -rf config.cache; PATH=$(TARGET_PATH) \
+		CC="$(HOSTCC)" \
+		$(GCC_DIR)/configure \
+		--prefix=$(STAGING_DIR) \
+		--build=$(GNU_HOST_NAME) \
+		--host=$(GNU_HOST_NAME) \
+		--target=$(REAL_GNU_TARGET_NAME) \
+		--enable-languages=$(GCC_TARGET_LANGUAGES) \
+		--disable-__cxa_atexit \
+		--disable-libssp \
+		--enable-target-optspace \
+		--with-gnu-ld \
+		$(GCC_SHARED_LIBGCC) \
+		$(DISABLE_NLS) \
+		$(THREADS) \
+		$(MULTILIB) \
+		$(SOFT_FLOAT_CONFIG_OPTION) \
+		$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) $(GCC_WITH_MODE) \
+		$(GCC_USE_SJLJ_EXCEPTIONS) \
+		$(DISABLE_LARGEFILE) \
+		$(EXTRA_GCC_CONFIG_OPTIONS));
+	touch $@
+
+$(GCC_BUILD_DIR)/.compiled: $(GCC_BUILD_DIR)/.configured
+	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR) all
+	touch $@
+
+$(GCC_BUILD_DIR)/.installed: $(GCC_BUILD_DIR)/.compiled
+	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR) install
+	if [ -d "$(STAGING_DIR)/lib64" ] ; then \
+		if [ ! -e "$(STAGING_DIR)/lib" ] ; then \
+			mkdir "$(STAGING_DIR)/lib" ; \
+		fi ; \
+		mv "$(STAGING_DIR)/lib64/"* "$(STAGING_DIR)/lib/" ; \
+		rmdir "$(STAGING_DIR)/lib64" ; \
+	fi
+	# Strip the host binaries
+ifeq ($(GCC_STRIP_HOST_BINARIES),true)
+	-strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
+endif
+	# Make sure we have 'cc'.
+	if [ ! -e $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-cc ] ; then \
+		ln -snf $(REAL_GNU_TARGET_NAME)-gcc \
+			$(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-cc ; \
+	fi;
+	if [ ! -e $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/bin/cc ] ; then \
+		ln -snf gcc $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/bin/cc ; \
+	fi;
+	# Set up the symlinks to enable lying about target name.
+	set -e; \
+	(cd $(STAGING_DIR); \
+		if [ "$(REAL_GNU_TARGET_NAME)" != "$(GNU_TARGET_NAME)" ]; then \
+			ln -snf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
+			cd bin; \
+			for app in $(REAL_GNU_TARGET_NAME)-* ; do \
+				ln -snf $${app} \
+				$(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
+			done; \
+		fi; \
+	);
+	#
+	# Ok... that's enough of that.
+	#
+	touch $@
+
+$(GCC_BUILD_DIR)/.libs_installed: $(GCC_BUILD_DIR)/.installed
+ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
+	# We have disabled building of libstdc++ for NuttX
+	#-cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/lib/
+endif
+ifeq ($(BR2_INSTALL_LIBGCJ),y)
+	-cp -dpf $(STAGING_DIR)/lib/libgcj.so* $(TARGET_DIR)/lib/
+	-cp -dpf $(STAGING_DIR)/lib/lib-org-w3c-dom.so* $(TARGET_DIR)/lib/
+	-cp -dpf $(STAGING_DIR)/lib/lib-org-xml-sax.so* $(TARGET_DIR)/lib/
+	-mkdir -p $(TARGET_DIR)/usr/lib/security
+	-cp -dpf $(STAGING_DIR)/usr/lib/security/libgcj.security $(TARGET_DIR)/usr/lib/security/
+	-cp -dpf $(STAGING_DIR)/usr/lib/security/classpath.security $(TARGET_DIR)/usr/lib/security/
+endif
+	touch $@
+
+gcc: binutils $(LIBFLOAT_TARGET) \
+	$(GCC_BUILD_DIR)/.installed $(GCC_BUILD_DIR)/.libs_installed \
+	$(GCC_TARGETS)
+
+gcc-source: $(DL_DIR)/$(GCC_SOURCE)
+
+gcc-clean:
+	rm -rf $(GCC_BUILD_DIR)
+	for prog in cpp gcc gcc-[0-9]* protoize unprotoize gcov gccbug cc; do \
+	    rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-$$prog \
+	    rm -f $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-$$prog; \
+	done
+
+gcc-dirclean:
+	rm -rf $(GCC_BUILD_DIR)
+
+ifeq ($(strip $(BR2_PACKAGE_GCC)),y)
+TARGETS += gcc
+endif
+endif