#!/bin/bash

# install glibc-2.0.7-20.src.rpm from SGI FTP and extra patches into SOURCEDIR

BUILDROOT=/home/mfklar/src/tmp/build
SOURCEDIR=/home/mfklar/build/mipsel-linux/src
# This is the prefix for the HOST system, the one cross-build tools will run on
# the user running this script must have write permissions to this dir (which
# usually means being root if it's /usr or /usr/local)
PREFIX=/usr/local
# This is the prefix on the TARGET system, usually /usr
TPREFIX=/usr
# TARGET is mips-linux for big endian, mipsel-linux for little endian
TARGET=mipsel-linux


mkdir -p $BUILDROOT

# Note: the '|| exit 1's just mean "abort on error",
# otherwise the script will try to go on ...

echo --- Building glibc for $TARGET ---

cd $BUILDROOT

gzip -dc $SOURCEDIR/glibc-2.0.7-980711.tar.gz  | tar xf - || exit 1
cd glibc-2.0.7
gzip -dc $SOURCEDIR/glibc-crypt-2.0.6.tar.gz | tar xf - || exit 1
gzip -dc $SOURCEDIR/glibc-localedata-2.0.7pre3.tar.gz | tar xf - || exit 1
gzip -dc $SOURCEDIR/glibc-linuxthreads-2.0.7pre5.tar.gz | tar xf - || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-preload.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-localedata.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-misc.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-tz.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-gafton.patch || exit 1
# some chunks of this next patch do fail, just let them...
patch -p1 -f < $SOURCEDIR/glibc-2.0.7-mips.patch
patch -p1 < $SOURCEDIR/glibc-2.0.7-mips2.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-mips-softfloat.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-mips_from_2.0.6-5lm.patch || exit 1
patch -p1 < $SOURCEDIR/glibc-2.0.7-mips_clone.patch || exit 1

mkdir build
cd build
CC=$PREFIX/bin/$TARGET-gcc \
      ../configure --prefix=$TPREFIX $TARGET \
      --enable-add-ons=crypt,linuxthreads,localedata --enable-profile || exit 1
echo CC=$PREFIX/bin/$TARGET-gcc > configparms
# For building soft-float userland, uncomment next line:
# echo CFLAGS=-msoft-float >> configparms
echo BUILD_CC=gcc >> configparms
echo AR=$PREFIX/bin/$TARGET-ar >> configparms
echo RANLIB=$PREFIX/bin/$TARGET-ranlib >> configparms

make || exit 1

# This overrides first few lines of build/make.config to install to right place:
make prefix=$PREFIX exec_prefix=$PREFIX/$TARGET slibdir=$PREFIX/$TARGET/lib \
      sysconfdir=$PREFIX/etc rootsbindir=$PREFIX/$TARGET/sbin install || exit 1