HOWTO build arm-linux toolchain for ARM/XSCALE

These instructions document how to build an arm-linux tool chain
that contains both little-endian and big-endian target libraries.

1. Packages used:

binutils-2.16.tar.gz
gcc-3.4.4.tar.gz
glibc-2.3.3.tar.gz
glibc-linuxthreads-2.3.3.tar.gz

2. binutils-2.16

tar xvzf binutils-2.16.tar.gz
cd binutils-2.16
mkdir arm-linux
cd arm-linux
../configure --target=arm-linux --with-lib-path=/usr/local/arm-linux/lib:/usr/local/arm-linux/lib/be:/usr/local/arm-linux/lib/soft-float:/usr/local/arm-linux/lib/be/soft-float
make
make install
chmod 777 /usr/local/arm-linux

3. gcc-3.4.4

tar xvzf gcc-3.4.4.tar.gz
cd gcc-3.4.4

cp $(ATTACHED t-linux file) gcc/config/arm/
vi gcc/config/arm/linux-elf.h
-- remove line that defines LIBGCC_SPEC

mkdir arm-linux
cd arm-linux
../configure --target=arm-linux --disable-shared --disable-threads \
--prefix=/usr/local --with-headers=linux-2.4.x/include \
--with-gnu-as --with-gnu-ld --enable-multilib --enable-languages=c
make
make install

4. glibc-2.3.3 (big-endian)

tar xvzf glibc-2.3.3.tar.gz
cd glibc-2.3.3
tar xvzf glibc-linuxthreads-2.3.3.tar.gz

rm -rf nptl
vi sysdeps/unix/sysv/linux/arm/ioperm.c
- change "BUS_ISA" to be "CTL_BUS_ISA" lines 103 and 104
vi config.make.in
- change "slibdir = @...@" to "slibdir = @libdir@"
vi Makeconfig
- change all occurrances of "O2" to "O"
- remove any occurrances of -lgcc_eh
vi configure
- change all occurrances of "O2" to "O"
touch sysdeps/arm/framestate.c

mkdir arm-linux
cd arm-linux
CC="arm-linux-gcc -mbig-endian -finline-limit=10000" \
AS="arm-linux-as -mbig-endian" \
LD="arm-linux-ld -EB" \
../configure --host=arm-linux --build=i686-pc-linux-gnu \
--with-headers=linux-2.4.x/include \
--enable-add-ons --enable-shared --prefix=/usr/local/arm-linux \
--libdir=/usr/local/arm-linux/lib/be
make
make install

5. glibc-2.3.3 (little-endian)

tar xvzf glibc-2.3.3.tar.gz
cd glibc-2.3.3
tar xvzf glibc-linuxthreads-2.3.3.tar.gz

[ Apply same fixes as above ]

mkdir arm-linux
cd arm-linux
CC="arm-linux-gcc -finline-limit=10000" \
AS="arm-linux-as" \
LD="arm-linux-ld" \
../configure --host=arm-linux --build=i686-pc-linux-gnu \
--with-headers=linux-2.4.x/include \
--enable-add-ons --enable-shared --prefix=/usr/local/arm-linux
make
make install



6. glibc-2.3.3 (big-endian/soft-float)

tar xvzf glibc-2.3.3.tar.gz
cd glibc-2.3.3
tar xvzf glibc-linuxthreads-2.3.3.tar.gz

[ Apply same fixes as above ]

mkdir arm-linux
cd arm-linux
CC="arm-linux-gcc -mbig-endian -msoft-float -finline-limit=10000" \
AS="arm-linux-as -mbig-endian" \
LD="arm-linux-ld -EB" \
../configure --host=arm-linux --build=i686-pc-linux-gnu \
--with-headers=linux-2.4.x/include \
--enable-add-ons --enable-shared --prefix=/usr/local/arm-linux \
--without-fp --libdir=/usr/local/arm-linux/lib/be/soft-float
make
make install



7. glibc-2.3.3 (little-endian/soft-float)

tar xvzf glibc-2.3.3.tar.gz
cd glibc-2.3.3
tar xvzf glibc-linuxthreads-2.3.3.tar.gz

[ Apply same fixes as above ]

mkdir arm-linux
cd arm-linux

CC="arm-linux-gcc -msoft-float -finline-limit=10000" \
AS="arm-linux-as" \
LD="arm-linux-ld" \
../configure --host=arm-linux --build=i686-pc-linux-gnu \
--with-headers=linux-2.4.x/include \
--enable-add-ons --enable-shared --prefix=/usr/local/arm-linux \
--without-fp --libdir=/usr/local/arm-linux/lib/soft-float
make
make install


8. gcc-3.4.4 (c++, etc)

tar xvzf gcc-3.4.4.tar.gz
cd gcc-3.4.4

cp $(ATTACHED t-linux file) gcc/config/arm/
vi gcc/config/arm/t-linux
- remove all "-Dinhibit_libc" occruances
vi gcc/config/arm/linux-elf.h
-- remove line that defines LIBGCC_SPEC
perl -pi -e 's/int namelen/unsigned int namelen/' libjava/java/net/natInetAddressPosix.cc

mkdir arm-linux
cd arm-linux
../configure --target=arm-linux --disable-shared \
--prefix=/usr/local --with-headers=linux-2.4.x/include \
--with-gnu-as --with-gnu-ld --enable-multilib
make
make install


9. cd /
find /usr/local/arm-linux -name CVS -type d | xargs rm -rf
strip /usr/local/arm-linux/bin/*
strip /usr/local/bin/arm-linux-*
tar cvzf /tmp/arm-linux-tools-xxxxxxxx.tar.gz \
/usr/local/arm-linux \
/usr/local/lib/gcc/arm-linux \
/usr/local/include/c++/3.4.4 \
/usr/local/bin/arm-linux-* \
/usr/local/libexec/gcc/arm-linux/3.4.4 \
/usr/local/bin/genext2fs


------------------------------------------------------------------------------

APPENDIX A -- modified t-linux for gcc-3.4.4

------------------------------------------------------------------------------
# Just for these, we omit the frame pointer since it makes such a big
# difference. It is then pointless adding debugging.
TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC -Dinhibit_libc -D__gthr_posix
LIBGCC2_DEBUG_CFLAGS = -g0

# Don't build enquire
ENQUIRE=

LIB1ASMSRC = arm/lib1funcs.asm
LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
_bb_init_func _call_via_rX _interwork_call_via_rX \
_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
_fixsfsi _fixunssfsi

MULTILIB_OPTIONS = mlittle-endian/mbig-endian mhard-float/msoft-float
MULTILIB_DIRNAMES = le be hard-float soft-float

EXTRA_MULTILIB_PARTS = crtbegin.o crtbeginS.o crtend.o crtendS.o crti.o crtn.o

LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
T_CFLAGS = -Dinhibit_libc -D__gthr_posix_h

# Assemble startup files.
$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm

$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm