#!/bin/bash
set -x

# http://kegel.com/crosstool/
# http://sources.redhat.com/ml/binutils/2003-10/msg00448.html
# http://sources.redhat.com/ml/crossgcc/2004-03/msg00162.html
# http://sources.redhat.com/ml/binutils/2001-10/msg00186.html

## http://mirrors.mathematik.uni-bielefeld.de/pub/linux/suse/ftp.suse.com/pub/projects/powerpc/ftp.linuxppc64.org/pub/people/janis/old/README.20040130
## http://mirrors.mathematik.uni-bielefeld.de/pub/linux/suse/ftp.suse.com/pub/projects/powerpc/ftp.linuxppc64.org/pub/people/janis/old/glibc.patch.20040121 ;

[ ! -f  crosstool-0.28-rc37.tar.gz ] && \
	wget http://kegel.com/crosstool/crosstool-0.28-rc37.tar.gz || true

tar xzf crosstool-0.28-rc37.tar.gz

cd crosstool-0.28-rc37

pwd

## NPTL patch: when ARCH=ppc, dirname needs to be "powerpc"
## patch the patch ...

patch -p 0 <<HERE
--- contrib/crosstool-0.28-rc34-nptl_fixes.patch        2004/10/13 04:48:11    1.1
+++ contrib/crosstool-0.28-rc34-nptl_fixes.patch        2004/10/13 04:48:45
@@ -164,7 +164,7 @@
 +        # will have to manually be copied from under the tree of the desired
 +        # target pthread implementation.
 +        cp \${GLIBC_DIR}/nptl/sysdeps/pthread/pthread.h \$HEADERDIR/pthread.h
-+        cp \${GLIBC_DIR}/nptl/sysdeps/unix/sysv/linux/\${ARCH}/bits/pthreadtypes.h \$HEADERDIR/bits/pthreadtypes.h
++        cp \${GLIBC_DIR}/nptl/sysdeps/unix/sysv/linux/\${ARCH/ppc/powerpc}/bits/pthreadtypes.h \$HEADERDIR/bits/pthreadtypes.h
 +
 +        # On s390, powerpc and sparc we also require bits/wordsize.h.
 +        case \$TARGET in
HERE

# now apply the patch ...
patch -p 1 <  contrib/crosstool-0.28-rc34-nptl_fixes.patch

## gcc3.4.2 disallows setjmp() in inline functions:
## http://mirrors.mathematik.uni-bielefeld.de/pub/linux/suse/ftp.suse.com/pub/projects/powerpc/ftp.linuxppc64.org/pub/people/janis/old/README.20040130
## then fixup to only use first part of patch (and doctor for "patch -p1") ...

( cd patches/glibc-2.3.3;
        wget http://mirrors.mathematik.uni-bielefeld.de/pub/linux/suse/ftp.suse.com/pub/projects/powerpc/ftp.linuxppc64.org/pub/people/janis/old/glibc.patch.20040121 ;
        ed glibc.patch.20040121 <<HERE
/Makefile
.,\$d
,s#sysdeps#foo/sysdeps#g
wq
HERE
)

TARBALLS_DIR=`pwd`/..	\
TARGET=powerpc-8540-linux-gnu   \
TARGET_CFLAGS="-O -msoft-float -mno-string -Wa,-me500"  \
GCC_EXTRA_CONFIG=""     \
GCC_LANGUAGES="c"       \
GLIBC_EXTRA_CONFIG="--without-fp"       \
GLIBC_ADDON_NPTL=1	\
BINUTILS_DIR=binutils-2.15      \
GCC_DIR=gcc-3.4.2       \
GLIBC_DIR=glibc-2.3.3   \
LINUX_DIR=linux-2.6.8.1 \
        ./all.sh  --testlinux

	# now,
	#  cd build/powerpc-8540-linux-gnu/gcc-3.4.2-glibc-2.3.3/linux-2.6.8.1
	# ( or wherever your kernel of interest lives )
	#  make V=1 ARCH=ppc CROSS_COMPILE=/work/src/crosstool-0.28-rc37/result/powerpc-8540-linux-gnu/gcc-3.4.2-glibc-2.3.3/bin/powerpc-8540-linux-gnu-