[uClibc]Build problem with latest uclibc

Mon Nov 11 23:03:54 UTC 2002

I have been trying to build ucLibc for the ARM platform. Below is my
makefile. It built all of the toolchain but fails on stlport. I get the
following message:

make: *** No rule to make target
`/home/sat/Projects/uclibc/gcc-2.95/build/STLport-4.5.3/lib/libstdc++.a'
, needed by
`/home/sat/Projects/uclibc/gcc-2.95/toolchain/lib/libstdc++.a'.  Stop.

Any ideas why
`/home/sat/Projects/uclibc/gcc-2.95/toolchain/lib/libstdc++.a' doesn't
exist? I am able to get stlport-4.5.3 from the www.stlport.org/archives
<http://www.stlport.org/archives> , but I am not sure how I should build
it. I assume it should be built with the new tools....

Thanks for anyhelp, the build was amazing so far....

Steve Tuckner

---- Makefile ----------
# Makefile for to build gcc for uClibc
#
# Copyright (C) 2002 Erik Andersen < andersen at uclibc.org
<mailto:andersen at 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
#
BASEDIR:=${shell pwd}
#############################################################
#
# EDIT this stuff to suit your system and source locations
#
#############################################################

# Where do you want your toolchain to be installed? 
#TARGET_PATH=/usr/local/uclibc
#TARGET_PATH=/opt/toolchain
TARGET_PATH=$(BASEDIR)/toolchain

# Native C compiler for the build system
HOSTCC:=gcc

# Pick your target CPU...
#ARCH:=i386
ARCH:=arm
#ARCH:=mipsel
#ARCH:=powerpc

# Set this to `false' if you are building for a CPU does not have
# a memory management unit (MMU) -- i.e. an uClinux system..  If
# you are targeting a regular Linux system, leave this "true".
# Set Most people will leave this set to "true".
HAS_MMU:=true

# Enable this to use the uClibc daily snapshot instead of a released
# version.  Daily snapshots may contain new features and bugfixes. Or
# they may not even compile at all, depending on what Erik is doing...
USE_UCLIBC_SNAPSHOT:=false

# Construct a tarball of the resulting toolchain
BUILD_TARBALL:=false

#############################################################
#
# What shall we build today?
#
#############################################################
TARGETS:=gcc_final
ifneq ($(HAS_MMU),true)
TARGETS:=elf2flt
endif
TARGET_LANGUAGES:=c,c++

#############################################################
#
# You should probably leave this stuff alone unless you are
# hacking on the toolchain...
#
#############################################################
TARGET=$(ARCH)-linux
BASE_DIR:=$(shell pwd)
SOURCE_DIR:=$(BASE_DIR)/sources
DL_DIR:=$(SOURCE_DIR)/dl
BUILD_DIR:=$(BASE_DIR)/build
STAGING_DIR:=$(TARGET_PATH)
GNU_TARGET_NAME:=$(ARCH)-linux
MAKE:=make
NATIVE_ARCH:= ${shell uname -m | sed \
  -e 's/i.86/i386/' \
  -e 's/sparc.*/sparc/' \
  -e 's/arm.*/arm/g' \
  -e 's/m68k.*/m68k/' \
  -e 's/ppc/powerpc/g' \
  -e 's/v850.*/v850/g' \
  -e 's/sh[234].*/sh/' \
  -e 's/mips.*/mips/' \
  }
ifneq ($(HAS_MMU),true)
NOMMU:=nommu
endif
ifeq ($(BUILD_TARBALL),true)
TARBALL:=tarball
endif

#############################################################
#
# Where we can find things....
#
# for various dependancy reasons, these need to live
# here at the top...  Easier to find things here anyways...
#
#############################################################
LINUX_SITE:=ftp://www.uclibc.org/uClibc/toolchain/
LINUX_SOURCE:=kernel-headers-2.4.18.tar.bz2
LINUX_DIR:=$(BUILD_DIR)/linux

# Binutils 2.13 has not proven very stable/solid for me...
#BINUTILS_SITE:=ftp://ftp.gnu.org/gnu/binutils/
#BINUTILS_SOURCE:=binutils-2.13.tar.bz2
#BINUTILS_DIR:=$(BUILD_DIR)/binutils-2.13
# Use the stable version 2.12.1 instead....
BINUTILS_SITE:=ftp://ftp.gnu.org/gnu/binutils/
BINUTILS_SOURCE:=binutils-2.12.1.tar.bz2
BINUTILS_DIR:=$(BUILD_DIR)/binutils-2.12.1

ifeq ($(USE_UCLIBC_SNAPSHOT),true)
# Be aware that this changes daily....
UCLIBC_DIR=$(BUILD_DIR)/uClibc
UCLIBC_SOURCE=uClibc-snapshot.tar.bz2
UCLIBC_SITE:=ftp://www.uclibc.org/uClibc
else
UCLIBC_DIR:=$(BUILD_DIR)/uClibc-0.9.15
UCLIBC_SOURCE:=uClibc-0.9.15.tar.bz2
UCLIBC_SITE:=http://www.kernel.org/pub/linux/libs/uclibc
endif

GCC_SITE:=ftp://www.uclibc.org/uClibc/toolchain/
GCC_SOURCE:=gcc-20011006.tar.bz2
GCC_DIR:=$(BUILD_DIR)/gcc-20011006
GCC_BUILD_DIR1:=$(BUILD_DIR)/gcc-initial
GCC_BUILD_DIR2:=$(BUILD_DIR)/gcc-final

ELF2FLT_SITE:=ftp://www.uclibc.org/uClibc/toolchain/
ELF2FLT_SOURCE:=elf2flt-20020731.tar.bz2
ELF2FLT_DIR:=$(BUILD_DIR)/elf2flt

STLPORT_SITE=http://www.stlport.org/archive
STLPORT_SOURCE=STLport-4.5.3.tar.gz
STLPORT_DIR=$(BUILD_DIR)/STLport-4.5.3

#############################################################
#
# What shall we build today?
#
#############################################################
all: $(TARGETS) toolchain stlport

#############################################################
#
# Setup some initial paths
#
#############################################################
$(BUILD_DIR)/.setup:
 mkdir -p $(BUILD_DIR)
 mkdir -p $(DL_DIR)
 mkdir -p $(STAGING_DIR)
 mkdir -p $(STAGING_DIR)/include
 mkdir -p $(STAGING_DIR)/lib/gcc-lib
 mkdir -p $(STAGING_DIR)/$(GNU_TARGET_NAME)/
 (cd $(STAGING_DIR)/$(GNU_TARGET_NAME); ln -fs ../lib)
 (cd $(STAGING_DIR)/$(GNU_TARGET_NAME); ln -fs ../include)
 (cd $(STAGING_DIR)/$(GNU_TARGET_NAME); ln -fs ../include sys-include)
 mkdir -p $(STAGING_DIR)/usr/lib
 (cd $(STAGING_DIR)/usr/lib; ln -fs ../../lib/gcc-lib)
 touch $(BUILD_DIR)/.setup

#############################################################
#
# Setup the kernel headers.  I include a generic package of
# kernel headers here, so you shouldn't need to include your
# own.  Be aware these kernel headers _will_ get blown away
# by a 'make clean' so don't put anything sacred in here...
#
#############################################################
$(DL_DIR)/$(LINUX_SOURCE):
 wget -P $(DL_DIR) --passive-ftp $(LINUX_SITE)/$(LINUX_SOURCE)

$(LINUX_DIR)/.unpacked: $(BUILD_DIR)/.setup $(DL_DIR)/$(LINUX_SOURCE)
 bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) -xvf -
 touch $(LINUX_DIR)/.unpacked

$(LINUX_DIR)/include/linux/version.h: $(LINUX_DIR)/.unpacked
 rm -f $(LINUX_DIR)/include/asm
 (cd $(LINUX_DIR)/include; ln -fs asm-$(ARCH)$(NOMMU) asm;)
 touch $(LINUX_DIR)/include/linux/autoconf.h;
 echo "#define UTS_RELEASE \"2.4.18\"" >
$(LINUX_DIR)/include/linux/version.h;
 echo "#define LINUX_VERSION_CODE 132114" >>
$(LINUX_DIR)/include/linux/version.h;
 echo "#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))"
>> \
  $(LINUX_DIR)/include/linux/version.h;

linux_headers: $(LINUX_DIR)/include/linux/version.h

#############################################################
#
# build binutils
#
#############################################################
$(DL_DIR)/$(BINUTILS_SOURCE):
 wget -P $(DL_DIR) --passive-ftp $(BINUTILS_SITE)/$(BINUTILS_SOURCE)

$(BINUTILS_DIR)/.unpacked: $(BUILD_DIR)/.setup
$(DL_DIR)/$(BINUTILS_SOURCE)
 bzcat $(DL_DIR)/$(BINUTILS_SOURCE) | tar -C $(BUILD_DIR) -xvf -
 touch $(BINUTILS_DIR)/.unpacked

$(BINUTILS_DIR)/.patched: $(BINUTILS_DIR)/.unpacked
 # Apply all binutils patches in the source directory, named
binutils-*.patch
 $(SOURCE_DIR)/patch-kernel.sh $(BINUTILS_DIR) $(SOURCE_DIR)
binutils-*.patch
 -perl -i -p -e "s,link_info.combreloc = false,link_info.combreloc =
true,g;" \
  $(BINUTILS_DIR)/ld/ldmain.c
 touch $(BINUTILS_DIR)/.patched

$(BINUTILS_DIR)/.configured: $(BINUTILS_DIR)/.patched
 (cd $(BINUTILS_DIR); perl -i -p -e
"s,^#define.*ELF_DYNAMIC_INTERPRETER.*$$,\
  #define ELF_DYNAMIC_INTERPRETER \"/lib/ld-uClibc.so.0\",;" \
  `grep -lr "#.*define.*ELF_DYNAMIC_INTERPRETER.*\".*\""
$(BINUTILS_DIR)`);
 (cd $(BINUTILS_DIR); CC=$(HOSTCC) ./configure --disable-shared \
  --target=$(GNU_TARGET_NAME) --prefix=$(STAGING_DIR) \
  --enable-targets=$(GNU_TARGET_NAME) \
  --program-transform-name=s,^,$(ARCH)-uclibc-,);
 touch $(BINUTILS_DIR)/.configured

$(BINUTILS_DIR)/binutils/objdump: $(BINUTILS_DIR)/.configured
 $(MAKE) -C $(BINUTILS_DIR);

$(STAGING_DIR)/$(GNU_TARGET_NAME)/bin/ld:
$(BINUTILS_DIR)/binutils/objdump 
 $(MAKE) -C $(BINUTILS_DIR) install
 -cp $(BINUTILS_DIR)/bfd/bfd.h $(BINUTILS_DIR)/include/
 rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share

$(STAGING_DIR)/lib/libg.a:
 $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin/ar rv $(STAGING_DIR)/lib/libg.a;

binutils: linux_headers $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin/ld
$(STAGING_DIR)/lib/libg.a

binutils-clean:
 rm -f $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)*
 -$(MAKE) -C $(BINUTILS_DIR) clean

binutils-dirclean:
 rm -rf $(BINUTILS_DIR)

#############################################################
#
# Next build first pass gcc compiler
#
#############################################################
$(DL_DIR)/$(GCC_SOURCE):
 wget -P $(DL_DIR) --passive-ftp $(GCC_SITE)/$(GCC_SOURCE)

$(GCC_DIR)/.unpacked: $(BUILD_DIR)/.setup $(DL_DIR)/$(GCC_SOURCE)
 bzcat $(DL_DIR)/$(GCC_SOURCE) | tar -C $(BUILD_DIR) -xvf -
 touch $(GCC_DIR)/.unpacked

$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
 # Apply all gcc patches in the source directory, named gcc-*.patch
 $(SOURCE_DIR)/patch-kernel.sh $(GCC_DIR) $(SOURCE_DIR) gcc-*.patch
 # We do not wish to build the libstdc++ library provided with gcc...
 mv $(GCC_DIR)/libstdc++ $(GCC_DIR)/libstdc++.orig
 mv $(GCC_DIR)/libio $(GCC_DIR)/libio.orig
 touch $(GCC_DIR)/.patched

$(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
 mkdir -p $(GCC_BUILD_DIR1)
 (cd $(GCC_BUILD_DIR1); PATH=$(STAGING_DIR)/bin:$$PATH
AR=$(ARCH)-uclibc-ar \
  RANLIB=$(ARCH)-uclibc-ranlib CC=$(HOSTCC) $(GCC_DIR)/configure \
  --target=$(GNU_TARGET_NAME) --prefix=$(STAGING_DIR) \
  --enable-target-optspace --disable-nls --with-gnu-ld \
  --disable-shared --enable-languages=$(TARGET_LANGUAGES) \
  --with-gxx-include-dir=$(STAGING_DIR)/include/c++ \
  --program-transform-name='s/^$(GNU_TARGET_NAME)-/$(ARCH)-uclibc-/');
 -perl -i -p -e "s,ac_cv_prog_cc_cross=no,ac_cv_prog_cc_cross=yes,g;"
$(GCC_BUILD_DIR1)/config.cache
 touch $(GCC_BUILD_DIR1)/.configured

$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
 PATH=$(STAGING_DIR)/bin:$$PATH $(MAKE) -C $(GCC_BUILD_DIR1);
 touch $(GCC_BUILD_DIR1)/.compiled

$(GCC_BUILD_DIR1)/.installed: $(GCC_BUILD_DIR1)/.compiled
 PATH=$(STAGING_DIR)/bin:$$PATH $(MAKE) -C $(GCC_BUILD_DIR1) install;
 #Cleanup then mess when --program-transform-name mysteriously fails 
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-cpp
$(STAGING_DIR)/bin/$(ARCH)-uclibc-cpp
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-gcc
$(STAGING_DIR)/bin/$(ARCH)-uclibc-gcc
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-protoize
$(STAGING_DIR)/bin/$(ARCH)-uclibc-protoize
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-unprotoize
$(STAGING_DIR)/bin/$(ARCH)-uclibc-unprotoize
 rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
 rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share
 touch $(GCC_BUILD_DIR1)/.installed

gcc_initial: binutils $(UCLIBC_DIR)/.configured
$(GCC_BUILD_DIR1)/.installed

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

gcc_initial-dirclean:
 rm -rf $(GCC_BUILD_DIR1)

#############################################################
#
# uClibc is built in two stages.  First, we hack the uClibc 
# include files and such in preparation for a gcc build.  Later
# when gcc for the target arch has been compiled, we can then
# actually compile uClibc for the target... 
#
#############################################################
$(DL_DIR)/$(UCLIBC_SOURCE):
 wget -P $(DL_DIR) $(UCLIBC_SITE)/$(UCLIBC_SOURCE)

$(UCLIBC_DIR)/.unpacked: $(BUILD_DIR)/.setup $(DL_DIR)/$(UCLIBC_SOURCE)
 bzcat $(DL_DIR)/$(UCLIBC_SOURCE) | tar -C $(BUILD_DIR) -xvf -
 touch $(UCLIBC_DIR)/.unpacked

$(UCLIBC_DIR)/.configured: $(UCLIBC_DIR)/.unpacked
 cp $(UCLIBC_DIR)/extra/Configs/Config.$(ARCH) $(UCLIBC_DIR)/Config~;
 echo "TARGET_ARCH=$(ARCH)" >> $(UCLIBC_DIR)/Config~
 perl -i -p -e 's,^HAS_WCHAR.*,HAS_WCHAR=false,g' $(UCLIBC_DIR)/Config~
 perl -i -p -e 's,^PREFIX.*,,g' $(UCLIBC_DIR)/Config~
 perl -i -p -e 's,^CROSS.*,CROSS=,g' $(UCLIBC_DIR)/Config~
 perl -i -p -e
's,^SYSTEM_DEVEL_PREFIX.*,SYSTEM_DEVEL_PREFIX=$(STAGING_DIR),g' \
  $(UCLIBC_DIR)/Config~
 perl -i -p -e 's,^UNIX98PTY_ONLY.*,UNIX98PTY_ONLY=false,g'
$(UCLIBC_DIR)/Config~
 $(UCLIBC_DIR)/extra/Configs/uClibc_config_fix.pl \
  --arch=$(ARCH) \
  --cross=$(STAGING_DIR)/bin/$(ARCH)-uclibc- \
  --c99_math=$(HAS_MMU) \
  --devel_prefix=$(STAGING_DIR) \
  --kernel_dir=$(LINUX_DIR) \
  --long_long=true \
  --float=true \
  --shadow=true \
  --threads=true \
  --rpc_support=true \
  --large_file=$(HAS_MMU) \
  --mmu=$(HAS_MMU) \
  --debug=false \
  --ldso_path="/lib" \
  --shared_support=$(HAS_MMU) \
  --file=$(UCLIBC_DIR)/Config~ \
  > $(UCLIBC_DIR)/Config; 
 # Note that since the target compiler does not yet exist, we will not
 # be able to properly generate include/bits/syscall.h so we will need
 # to run part again later...
 $(MAKE) -C $(UCLIBC_DIR) headers uClibc_config install_dev;
 touch $(UCLIBC_DIR)/.configured

# Now that we have a working target compiler, rebuild the header files
for the
# target so things like include/bits/syscall.h can actually be built
this time
# around...
$(UCLIBC_DIR)/.config_final: $(UCLIBC_DIR)/.configured
 $(MAKE) -C $(UCLIBC_DIR) headers uClibc_config install_dev
 touch $(UCLIBC_DIR)/.config_final

$(UCLIBC_DIR)/lib/libc.a: $(UCLIBC_DIR)/.config_final
 $(MAKE) -C $(UCLIBC_DIR)

$(STAGING_DIR)/lib/libc.a: $(UCLIBC_DIR)/lib/libc.a
 $(MAKE) -C $(UCLIBC_DIR) install_dev install_runtime install_utils

uclibc: gcc_initial $(STAGING_DIR)/lib/libc.a

uclibc-clean:
 -$(MAKE) -C $(UCLIBC_DIR) clean
 rm -f $(UCLIBC_DIR)/Config

uclibc-dirclean:
 rm -rf $(UCLIBC_DIR)

#############################################################
#
# second pass compiler build.  Build the compiler targeting 
# the newly built shared uClibc library.
#
#############################################################
$(GCC_DIR)/.ldso_hacks: $(GCC_DIR)/.patched
 # Hack things to use the correct shared lib loader
 (cd $(GCC_DIR); set -e; export LIST=`grep -lr --
"-dynamic-linker.*ld-linux.so.[0-9]" *`;\
  if [ -n "$$LIST" ] ; then \
  perl -i -p -e "s,-dynamic-linker.*ld-linux.so.*[0-9]},\
      -dynamic-linker /lib/ld-uClibc.so.0},;" $$LIST; fi);
 (cd $(GCC_DIR); set -e; export LIST=`grep -lr ":gcrt1.o%s}" *`; \
  if [ -n "$$LIST" ] ; then \
  perl -i -p -e "s,:gcrt1.o%s},:crt0.o%s},g;" \
  $$LIST; fi);
 (cd $(GCC_DIR); set -e; export LIST=`grep -lr ":crt1.o%s}" *`; \
  if [ -n "$$LIST" ] ; then \
  perl -i -p -e "s,:crt1.o%s},:crt0.o%s},g;" \
  $$LIST; fi);
 # Fixup where gcc looks for start files to prevent glibc stuff leaking
in...
 perl -i -p -e "s,standard_startfile_prefix_1 =
\".*,standard_startfile_prefix_1=\
  \"$(STAGING_DIR)/lib/\";,;" $(GCC_DIR)/gcc/gcc.c;
 perl -i -p -e "s,standard_startfile_prefix_2 =
\".*,standard_startfile_prefix_2=\
  \"$(STAGING_DIR)/usr/lib/\";,;" $(GCC_DIR)/gcc/gcc.c;
 # Use atexit() directly, rather than cxa_atexit
 perl -i -p -e "s,int flag_use_cxa_atexit = 1;,int flag_use_cxa_atexit =
0;,g;"\
  $(GCC_DIR)/gcc/cp/decl2.c;
 # Fix up a lame quirk...
 #perl -i -p -e "s,defined.*_GLIBCPP_USE_C99.*,1,g;"
$(GCC_DIR)/libstdc++/config/locale/generic/c_locale.cc;
 # Hack up the soname for libstdc++
 perl -i -p -e "s,\.so\.1,.so.0.9.9,g;"
$(GCC_DIR)/gcc/config/t-slibgcc-elf-ver;
 #perl -i -p -e "s,-version-info.*[0-9]:[0-9]:[0-9],-version-info
9:9:0,g;" \
 # $(GCC_DIR)/libstdc++/src/Makefile.am
$(GCC_DIR)/libstdc++/src/Makefile.in;
 #perl -i -p -e "s,3\.0\.0,9.9.0,g;" $(GCC_DIR)/libstdc++/acinclude.m4 \
 # $(GCC_DIR)/libstdc++/aclocal.m4 $(GCC_DIR)/libstdc++/configure;
 # For now, we don't support locale-ified ctype, so bypass that problem
here
 #cp $(GCC_DIR)/libstdc++/config/os/generic/bits/ctype_base.h \
 # $(GCC_DIR)/libstdc++/config/os/gnu-linux/bits/
 #cp $(GCC_DIR)/libstdc++/config/os/generic/bits/ctype_inline.h \
 # $(GCC_DIR)/libstdc++/config/os/gnu-linux/bits/
 #cp $(GCC_DIR)/libstdc++/config/os/generic/bits/ctype_noninline.h \
 # $(GCC_DIR)/libstdc++/config/os/gnu-linux/bits/
 touch $(GCC_DIR)/.ldso_hacks

$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.ldso_hacks
 mkdir -p $(GCC_BUILD_DIR2)
 (cd $(GCC_BUILD_DIR2); PATH=$(STAGING_DIR)/bin:$$PATH
AR=$(ARCH)-uclibc-ar \
  RANLIB=$(ARCH)-uclibc-ranlib CC=$(HOSTCC) $(GCC_DIR)/configure \
  --target=$(GNU_TARGET_NAME) --prefix=$(STAGING_DIR) \
  --enable-target-optspace --disable-nls --with-gnu-ld \
  --disable-shared --enable-languages=$(TARGET_LANGUAGES) \
  --with-gxx-include-dir=$(STAGING_DIR)/include/c++ \
  --program-transform-name='s/^$(GNU_TARGET_NAME)-/$(ARCH)-uclibc-/');
 perl -i -p -e "s,ac_cv_prog_cc_cross=no,ac_cv_prog_cc_cross=yes,g;"
$(GCC_BUILD_DIR2)/config.cache
 touch $(GCC_BUILD_DIR2)/.configured

$(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
 PATH=$(STAGING_DIR)/bin:$$PATH $(MAKE) -C $(GCC_BUILD_DIR2)
 touch $(GCC_BUILD_DIR2)/.compiled

$(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
 PATH=$(STAGING_DIR)/bin:$$PATH $(MAKE) -C $(GCC_BUILD_DIR2) install;
 touch $(GCC_BUILD_DIR2)/.installed

#Cleanup then mess when --program-transform-name mysteriously fails 
$(GCC_BUILD_DIR2)/.fixedup: $(GCC_BUILD_DIR2)/.installed
ifeq ($(strip $(ARCH)),$(strip $(NATIVE_ARCH)))
 -mv $(STAGING_DIR)/bin/gcc $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin;
 -mv $(STAGING_DIR)/bin/protoize $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin;
 -mv $(STAGING_DIR)/bin/unprotoize
$(STAGING_DIR)/$(GNU_TARGET_NAME)/bin;
endif
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-cpp
$(STAGING_DIR)/bin/$(ARCH)-uclibc-cpp
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-gcc
$(STAGING_DIR)/bin/$(ARCH)-uclibc-gcc
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-c++
$(STAGING_DIR)/bin/$(ARCH)-uclibc-c++
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-g++
$(STAGING_DIR)/bin/$(ARCH)-uclibc-g++
 -mv $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-c++filt
$(STAGING_DIR)/bin/$(ARCH)-uclibc-c++filt
 rm -f $(STAGING_DIR)/bin/cpp $(STAGING_DIR)/bin/gcov
$(STAGING_DIR)/bin/*gccbug
 rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share
 touch $(GCC_BUILD_DIR2)/.fixedup

gcc_final: uclibc $(GCC_BUILD_DIR2)/.fixedup

gcc_final-clean:
 rm -rf $(GCC_BUILD_DIR2)
 rm -f $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)*

gcc_final-dirclean:
 rm -rf $(GCC_BUILD_DIR2)

#############################################################
#
# elf2flt -- only compiled for mmu-less systems
#
#############################################################
$(DL_DIR)/$(ELF2FLT_SOURCE):
 wget -P $(DL_DIR) --passive-ftp $(ELF2FLT_SITE)/$(ELF2FLT_SOURCE)

$(ELF2FLT_DIR)/.unpacked: $(BUILD_DIR)/.setup
$(DL_DIR)/$(ELF2FLT_SOURCE)
 bzcat $(DL_DIR)/$(ELF2FLT_SOURCE) | tar -C $(BUILD_DIR) -xvf -
 touch $(ELF2FLT_DIR)/.unpacked

$(ELF2FLT_DIR)/.configured: $(ELF2FLT_DIR)/.unpacked
 (cd $(ELF2FLT_DIR); ./configure \
  --target=$(GNU_TARGET_NAME) --prefix=$(STAGING_DIR) \
  --with-libbfd=$(BINUTILS_DIR)/bfd/libbfd.a \
  --with-libiberty=$(BINUTILS_DIR)/libiberty/libiberty.a \
  --with-bfd-include-dir=$(BINUTILS_DIR)/include)
 touch $(ELF2FLT_DIR)/.configured

$(ELF2FLT_DIR)/elf2flt: $(ELF2FLT_DIR)/.configured
 $(MAKE) -C $(ELF2FLT_DIR)
 chmod a+x $(ELF2FLT_DIR)/ld-elf2flt

$(STAGING_DIR)/$(GNU_TARGET_NAME)/bin/elf2flt: $(ELF2FLT_DIR)/elf2flt
 cp $(ELF2FLT_DIR)/elf2flt $(STAGING_DIR)/bin/$(ARCH)-uclibc-elf2flt
 (cd $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin; ln -f
../../bin/$(ARCH)-uclibc-elf2flt elf2flt)
 cp $(ELF2FLT_DIR)/flthdr $(STAGING_DIR)/bin/$(ARCH)-uclibc-flthdr
 (cd $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin; ln -f
../../bin/$(ARCH)-uclibc-flthdr flthdr)
 if [ ! -f $(STAGING_DIR)/bin/$(ARCH)-uclibc-ld.real ] ; then \
  mv $(STAGING_DIR)/bin/$(ARCH)-uclibc-ld
$(STAGING_DIR)/bin/$(ARCH)-uclibc-ld.real;\
 fi;
 cp $(ELF2FLT_DIR)/ld-elf2flt $(STAGING_DIR)/bin/$(ARCH)-uclibc-ld
 cp $(ELF2FLT_DIR)/elf2flt.ld $(STAGING_DIR)/lib

elf2flt: gcc_final $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin/elf2flt

elf2flt-clean:
 rm -f $(STAGING_DIR)/sbin/elf2flt
 -$(MAKE) -C $(ELF2FLT_DIR) clean

elf2flt-dirclean:
 rm -rf $(ELF2FLT_DIR)

#############################################################
#
# STLport -- an alternative C++ library
#
#############################################################
STLPORT_PATCH=$(SOURCE_DIR)/STLport-4.5.3.patch
$(DL_DIR)/$(STLPORT_SOURCE):
 wget -P $(DL_DIR) --passive-ftp $(STLPORT_SITE)/$(STLPORT_SOURCE)

$(STLPORT_DIR)/Makefile: $(DL_DIR)/$(STLPORT_SOURCE) $(STLPORT_PATCH)
 zcat $(DL_DIR)/$(STLPORT_SOURCE) | tar -C $(BUILD_DIR) -xvf - 
 cat $(STLPORT_PATCH) | patch -d $(STLPORT_DIR) -p1

$(STLPORT_DIR)/lib/libstdc++.so.4.5: $(STLPORT_DIR)/Makefile
 $(MAKE) ARCH=$(ARCH) PREFIX=$(STAGING_DIR) -C $(STLPORT_DIR)

$(STAGING_DIR)/lib/libstdc++.a: $(STLPORT_DIR)/lib/libstdc++.a
 $(MAKE) ARCH=$(ARCH) PREFIX=$(STAGING_DIR) -C $(STLPORT_DIR) install
ifneq ($(HAS_MMU),true)
 rm -f $(STAGING_DIR)/lib/libstdc++*.so*
endif

stlport: gcc_final $(STAGING_DIR)/lib/libstdc++.a

stlport-clean:
 rm -f $(STAGING_DIR)/lib/libstdc++*
 rm -f $(STAGING_DIR)/include/c++*
 -$(MAKE) -C $(STLPORT_DIR) clean

stlport-dirclean:
 rm -f $(STAGING_DIR)/lib/libstdc++*
 rm -f $(STAGING_DIR)/include/g++-v3*
 rm -rf $(STLPORT_DIR)

#############################################################
#
# Packup the toolchain binaries
#
#############################################################
$(BUILD_DIR)/.shuffled: $(TARGETS)
 mkdir -p $(STAGING_DIR)/usr/bin;
 (set -e; cd $(STAGING_DIR)/usr/bin; \
  for i in $(STAGING_DIR)/bin/* ; do \
  j=`basename $$i`; \
  k=`basename $$i| sed -e "s,$(ARCH)-uclibc-,,g"`; \
  ln -fs ../../bin/$$j $$k; \
 done)
 (set -e; cd $(STAGING_DIR)/$(GNU_TARGET_NAME)/bin; \
  for i in $(STAGING_DIR)/bin/* ; do \
  j=`basename $$i`; \
  k=`basename $$i| sed -e "s,$(ARCH)-uclibc-,,g"`; \
  ln -fs ../../bin/$$j $$k; \
 done)
 touch $(BUILD_DIR)/.shuffled

$(BUILD_DIR)/.stripped: $(BUILD_DIR)/.shuffled
 -strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
 -$(STAGING_DIR)/bin/$(ARCH)-uclibc-strip --strip-unneeded \
  -R .note -R .comment $(STAGING_DIR)/lib/*.so*;
 touch $(BUILD_DIR)/.stripped

$(ARCH)-uclibc-toolchain.tar.bz2: toolchain
 rm -f $(ARCH)-uclibc-toolchain.tar.bz2
 tar -cf $(ARCH)-uclibc-toolchain.tar $(STAGING_DIR)
 bzip2 -9 $(ARCH)-uclibc-toolchain.tar

tarball: $(ARCH)-uclibc-toolchain.tar.bz2

toolchain: $(BUILD_DIR)/.stripped $(TARBALL)
 @echo " "
 @echo "Finally finished!"
 @echo " "

#############################################################
#
# Clean up the mess
#
#############################################################
clean:
 @echo "Cleaning everything up..."
 rm -rf $(BUILD_DIR)
 rm -rf $(STAGING_DIR)

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