# Makefile for to build a gcc/uClibc toolchain # # Copyright (C) 2002-2003 Erik Andersen # Copyright (C) 2004 Manuel Novoa III # # 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 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y) # without sysroot support. Sysroot toolchain is gcc-uclibc-4.x.mk ifneq ($(BR2_TOOLCHAIN_SYSROOT),y) ifneq ($(GCC_SNAP_DATE),) GCC_SITE:=ftp://sources.redhat.com/pub/gcc/snapshots/$(GCC_VERSION) else ifeq ($(findstring avr32,$(GCC_VERSION)),avr32) GCC_SITE:=ftp://www.at91.com/pub/buildroot/ else GCC_SITE:=$(BR2_GNU_MIRROR)/gcc/gcc-$(GCC_VERSION) endif GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2 GCC_DIR:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION) GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION) GCC_CAT:=$(BZCAT) GCC_STRIP_HOST_BINARIES:=true ifneq ($(BR2_INSTALL_FORTRAN),y) # fortran needs gmp and mpfr ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.) GCC_NO_MPFR:=y endif ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.) GCC_NO_MPFR:=y endif endif ############################################################# # # Setup some initial stuff # ############################################################# GCC_CROSS_LANGUAGES:=c ifeq ($(BR2_GCC_CROSS_CXX),y) GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),c++ endif ifeq ($(BR2_GCC_CROSS_FORTRAN),y) GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),fortran endif ifeq ($(BR2_GCC_CROSS_OBJC),y) GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),objc endif 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 GCC_TARGET_PREREQ = GCC_STAGING_PREREQ= $(STAGING_DIR)/usr/lib/libc.a ifndef GCC_NO_MPFR GCC_WITH_HOST_GMP=--with-gmp=$(GMP_HOST_DIR) GCC_WITH_HOST_MPFR=--with-mpfr=$(MPFR_HOST_DIR) ifeq ($(BR2_INSTALL_FORTRAN),y) GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),fortran #GCC_TARGET_PREREQ += $(TARGET_DIR)/lib/libmpfr.so $(TARGET_DIR)/lib/libgmp.so #GCC_STAGING_PREREQ+= $(TOOLCHAIN_DIR)/mpfr/lib/libmpfr.so GCC_WITH_TARGET_GMP=--with-gmp="$(GMP_TARGET_DIR)" GCC_WITH_TARGET_MPFR=--with-mpfr="$(MPFR_TARGET_DIR)" endif endif # ifndef GCC_NO_MPFR ifeq ($(BR2_GCC_SHARED_LIBGCC),y) GCC_SHARED_LIBGCC:=--enable-shared else GCC_SHARED_LIBGCC:=--disable-shared endif HOST_SOURCE+=gcc-source ############################################################# # # build the first pass gcc compiler # ############################################################# GCC_BUILD_DIR1:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)-initial $(DL_DIR)/$(GCC_SOURCE): mkdir -p $(DL_DIR) $(call DOWNLOAD,$(GCC_SITE),$(GCC_SOURCE)) gcc-unpacked: $(GCC_DIR)/.patched $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE) mkdir -p $(TOOLCHAIN_DIR) $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOLCHAIN_DIR) $(TAR_OPTIONS) - $(CONFIG_UPDATE) $(@D) touch $@ gcc-patched: $(GCC_DIR)/.patched $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked # Apply any files named gcc-*.patch from the source directory to gcc ifneq ($(wildcard $(GCC_PATCH_DIR)),) toolchain/patch-kernel.sh $(GCC_DIR) $(GCC_PATCH_DIR) \*.patch endif # Note: The soft float situation has improved considerably with gcc 3.4.x. # We can dispense with the custom spec files, as well as libfloat for the arm case. # However, we still need a patch for arm. There's a similar patch for gcc 3.3.x # which needs to be integrated so we can kill of libfloat for good, except for # anyone (?) who might still be using gcc 2.95. mjn3 ifeq ($(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 $@ # 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) \ $(HOST_CONFIGURE_OPTS) \ $(GCC_DIR)/configure $(QUIET) \ --prefix=$(STAGING_DIR)/usr \ --build=$(GNU_HOST_NAME) \ --host=$(GNU_HOST_NAME) \ --target=$(REAL_GNU_TARGET_NAME) \ --enable-languages=c \ --with-sysroot=$(TOOLCHAIN_DIR)/uClibc_dev/ \ --disable-__cxa_atexit \ --enable-target-optspace \ --with-gnu-ld \ --disable-shared \ --disable-libssp \ $(GCC_WITH_HOST_GMP) \ $(GCC_WITH_HOST_MPFR) \ $(DISABLE_NLS) \ $(THREADS) \ $(MULTILIB) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \ $(EXTRA_GCC_CONFIG_OPTIONS) \ $(QUIET) \ ) touch $@ $(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc touch $@ gcc_initial=$(GCC_BUILD_DIR1)/.installed $(gcc_initial) $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled PATH=$(TARGET_PATH) $(MAKE) -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 touch $(gcc_initial) gcc_initial: uclibc-configured binutils $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc gcc_initial-clean: rm -rf $(GCC_BUILD_DIR1) gcc_initial-dirclean: rm -rf $(GCC_BUILD_DIR1) $(GCC_DIR) ############################################################# # # second pass compiler build. Build the compiler targeting # the newly built shared uClibc library. # ############################################################# # # Sigh... I had to rework things because using --with-gxx-include-dir # causes issues with include dir search order for g++. This seems to # have something to do with "path translations" and possibly doesn't # affect gcc-target. However, I haven't tested gcc-target yet so no # guarantees. mjn3 GCC_BUILD_DIR2:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)-final $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(GCC_STAGING_PREREQ) mkdir -p $(GCC_BUILD_DIR2) # Important! Required for limits.h to be fixed. ln -snf ../include $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include #-rmdir $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib #ln -snf ../lib/ $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib (cd $(GCC_BUILD_DIR2); rm -rf config.cache; \ $(HOST_CONFIGURE_OPTS) \ GCC=$(TARGET_CROSS)gcc \ CPP=$(TARGET_CROSS)cpp \ LDFLAGS_FOR_TARGET="$(patsubst %,LDFLAGS+=-Wl$(comma)%,$(TARGET_LDFLAGS)) -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib" \ $(GCC_DIR)/configure $(QUIET) \ --prefix=$(STAGING_DIR) \ --build=$(GNU_HOST_NAME) \ --host=$(GNU_HOST_NAME) \ --target=$(REAL_GNU_TARGET_NAME) \ --enable-languages=$(GCC_CROSS_LANGUAGES) \ --disable-__cxa_atexit \ --enable-target-optspace \ --with-gnu-ld \ --disable-libssp \ $(GCC_WITH_HOST_GMP) \ $(GCC_WITH_HOST_MPFR) \ $(GCC_SHARED_LIBGCC) \ $(DISABLE_NLS) \ $(THREADS) \ $(MULTILIB) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \ $(GCC_USE_SJLJ_EXCEPTIONS) \ $(DISABLE_LARGEFILE) \ $(EXTRA_GCC_CONFIG_OPTIONS) \ ) touch $@ $(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured PATH=$(TARGET_PATH) $(MAKE) $(HOST_CONFIGURE_OPTS) CPP=$(TARGET_CROSS)cpp -C $(GCC_BUILD_DIR2) all touch $@ $(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled PATH=$(TARGET_PATH) \ $(MAKE) $(HOST_CONFIGURE_OPTS) \ LDFLAGS_FOR_TARGET="$(patsubst %,LDFLAGS+=-Wl$(comma)%,$(TARGET_LDFLAGS)) -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib" \ -C $(GCC_BUILD_DIR2) install if [ -d "$(STAGING_DIR)/usr/lib64" ]; then \ if [ ! -e "$(STAGING_DIR)/usr/lib" ]; then \ mkdir -p "$(STAGING_DIR)/usr/lib"; \ fi; \ mv "$(STAGING_DIR)/usr/lib64/"* "$(STAGING_DIR)/usr/lib/"; \ rmdir "$(STAGING_DIR)/usr/lib64"; \ fi # Strip the host binaries ifeq ($(GCC_STRIP_HOST_BINARIES),true) strip --strip-all -R .note -R .comment $(filter-out %-gccbug %-embedspu,$(wildcard $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-*)) endif # Make sure we have 'cc'. if [ ! -e $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc ]; then \ ln -snf $(REAL_GNU_TARGET_NAME)-gcc \ $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \ fi if [ ! -e $(STAGING_DIR)/usr/bin/gcc ]; then \ ln -snf gcc $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \ fi # Set up the symlinks to enable lying about target name. set -e; \ (cd $(STAGING_DIR)/usr; \ 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##$(REAL_GNU_TARGET_NAME)}; \ done; \ ) # # Now for the ugly 3.3.x soft float hack... # ifeq ($(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 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 $(STAGING_DIR)/usr/lib/gcc-lib/$(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 $(STAGING_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs endif endif # # Ok... that's enough of that. # mkdir -p $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/sbin touch $@ $(STAMP_DIR)/gcc_libs_target_installed: $(GCC_BUILD_DIR2)/.installed ifeq ($(BR2_GCC_SHARED_LIBGCC),y) # These are in /lib, so... rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so* -cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \ $(TARGET_DIR)/lib/ -$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/lib/libgcc_s* endif ifeq ($(BR2_INSTALL_LIBSTDCPP),y) ifeq ($(BR2_GCC_SHARED_LIBGCC),y) mkdir -p $(TARGET_DIR)/usr/lib -cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/usr/lib/ -$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libstdc++.so* endif endif ifeq ($(BR2_INSTALL_LIBGCJ),y) cp -dpf $(STAGING_DIR)/lib/libgcj.so* $(TARGET_DIR)/usr/lib/ cp -dpf $(STAGING_DIR)/lib/lib-org-w3c-dom.so* $(TARGET_DIR)/usr/lib/ cp -dpf $(STAGING_DIR)/lib/lib-org-xml-sax.so* $(TARGET_DIR)/usr/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 mkdir -p $(@D) touch $@ cross_compiler:=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc cross_compiler gcc: gcc-config $(GCC_BUILD_DIR2)/.installed \ $(STAMP_DIR)/gcc_libs_target_installed \ $(GCC_TARGETS) gcc-source: $(DL_DIR)/$(GCC_SOURCE) gcc-config: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) \ uclibc $(GCC_BUILD_DIR2)/.configured gcc-clean: rm -rf $(GCC_BUILD_DIR2) for prog in cpp gcc gcc-[0-9]* protoize unprotoize gcov gccbug cc; do \ rm -f $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-$$prog; \ rm -f $(STAGING_DIR)/usr/bin/$(GNU_TARGET_NAME)-$$prog; \ done gcc-dirclean: gcc_initial-dirclean rm -rf $(GCC_BUILD_DIR2) ############################################################# # # Next build target gcc compiler # ############################################################# GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target $(GCC_BUILD_DIR3)/.prepared: $(STAMP_DIR)/gcc_libs_target_installed $(GCC_TARGET_PREREQ) mkdir -p $(GCC_BUILD_DIR3) touch $@ $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared (cd $(GCC_BUILD_DIR3); rm -rf config.cache; \ $(TARGET_CONFIGURE_OPTS) \ CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \ $(TARGET_GCC_FLAGS) \ $(GCC_DIR)/configure $(QUIET) \ --prefix=/usr \ --build=$(GNU_HOST_NAME) \ --host=$(REAL_GNU_TARGET_NAME) \ --target=$(REAL_GNU_TARGET_NAME) \ --enable-languages=$(GCC_TARGET_LANGUAGES) \ --with-gxx-include-dir=/usr/include/c++ \ --disable-__cxa_atexit \ --with-gnu-ld \ --with-gnu-as \ --disable-libssp \ $(GCC_SHARED_LIBGCC) \ $(GCC_WITH_TARGET_GMP) \ $(GCC_WITH_TARGET_MPFR) \ $(DISABLE_NLS) \ $(THREADS) \ $(MULTILIB) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \ $(GCC_USE_SJLJ_EXCEPTIONS) \ $(DISABLE_LARGEFILE) \ $(EXTRA_GCC_CONFIG_OPTIONS) \ $(EXTRA_TARGET_GCC_CONFIG_OPTIONS) \ ) touch $@ $(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured PATH=$(TARGET_PATH) \ $(MAKE) $(TARGET_CONFIGURE_OPTS) \ CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \ $(TARGET_GCC_FLAGS) \ -C $(GCC_BUILD_DIR3) all touch $@ # # gcc-lib dir changes names to gcc with 3.4.mumble # ifeq ($(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)/$(GCC_VERSION) endif # sigh... we need to find a better way ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.) GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION) endif ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.) GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION) endif ifeq ($(findstring 4.2,$(GCC_VERSION)),4.2) ifneq ($(findstring 4.2.,$(GCC_VERSION)),4.2.) REAL_GCC_VERSION=$(shell cat $(GCC_DIR)/gcc/BASE-VER) GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(REAL_GCC_VERSION) else GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION) endif endif $(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled PATH=$(TARGET_PATH) \ $(MAKE) $(TARGET_CONFIGURE_OPTS) \ CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \ $(TARGET_GCC_FLAGS) \ DESTDIR=$(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 ($(BR2_SOFT_FLOAT),y) ifeq ($(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 $(STRIPCMD) > /dev/null 2>&1) -(cd $(TARGET_DIR)/usr/bin && find -type f | xargs $(STRIPCMD) > /dev/null 2>&1) -(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR) && $(STRIPCMD) cc1 cc1plus collect2 > /dev/null 2>&1) -(cd $(TARGET_DIR)/usr/lib && $(STRIPCMD) libstdc++.so.*.*.* > /dev/null 2>&1) -(cd $(TARGET_DIR)/lib && $(STRIPCMD) 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 $(STAGING_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h \ $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/; \ fi # Make sure we have 'cc'. if [ ! -e $(TARGET_DIR)/usr/bin/cc ]; then \ ln -snf gcc $(TARGET_DIR)/usr/bin/cc; \ 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 $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)* gcc_target-dirclean: rm -rf $(GCC_BUILD_DIR3) endif # gcc-3.x only endif