git-svn-id: https://svn.pengutronix.de/svn/oselas/toolchain/trunks/OSELAS.Toolchain-trunk@769 f8d472c7-5700-0410-ac5a-87979cec3adf

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diff --git a/EXTERNAL/build-arm-linux-3.4.4 b/EXTERNAL/build-arm-linux-3.4.4
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+
+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
+------------------------------------------------------------------------------