#!/bin/sh
# build gcc for Slackware

CWD=`pwd`
VERSION=2.95.3
ARCH=i386
BUILD=2
TARGET=i386-slackware-linux
TEMPDIR=/tmp

cd $TEMPDIR
tar xjvf $CWD/gcc-2.95.3.tar.bz2
( cd gcc-2.95.3 ; zcat $CWD/gcc-2.95.3-glibc-2.2.3.diff.gz | patch -p1 --verbose )
# install docs
( cd gcc-2.95.3
  mkdir -p $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3
  cp -a COPYING COPYING.LIB FAQ MAINTAINERS README faq.html install \
    $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3
  mkdir -p $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/f
  ( cd gcc
    cp -a ABOUT* BUGS COPYING* INSTALL LANG* NEWS PROBLEMS \
       README* SERVICE TESTS.FLUNK $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc
    cd f
    cp -a BUGS INSTALL NEWS README RELEASE-PREP \
       $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/f
    cd ../objc
    mkdir -p $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/objc
    cp -a README $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/objc
# Who uses Chill?
#    cd ../ch
#    mkdir -p $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/ch
#    cp -a README chill.brochure chill.texi \
#       $TEMPDIR/package-gcc/usr/doc/gcc-2.95.3/gcc/ch
  )
)
# build gcc
( mkdir gcc.build.lnx;
  cd gcc.build.lnx;
  # CFLAGS="-Wall -g1 -O2"
  CFLAGS="-Wall -O2" LDFLAGS=-s \
    ../gcc-$VERSION/configure --prefix=/usr \
                       --enable-shared \
                       --with-gnu-ld \
                       --enable-threads \
                       --verbose \
                       --target=${TARGET} \
                       --host=${TARGET}
  make bootstrap;
  make info
  make check;
  make install prefix=$TEMPDIR/package-gcc/usr;
  make install-info prefix=$TEMPDIR/package-gcc/usr;

  # Fix stuff up:
  chown -R root.root $TEMPDIR/package-gcc
  ( cd $TEMPDIR/package-gcc/usr/info ; rm dir ; gzip -9 * )
  cd $TEMPDIR/package-gcc
  mkdir -p lib
  ( cd lib ; ln -sf /usr/bin/cpp . )
  ( cd usr/bin
    mv g++ g++-gcc-2.95.3
    mv gcc gcc-2.95.3
    mv g77 g77-gcc-2.95.3
    mv chill chill-gcc-2.95.3
    ln -sf g++-gcc-2.95.3 g++
    ln -sf gcc-2.95.3 gcc
    ln -sf g77-gcc-2.95.3 g77 
    ln -sf chill-gcc-2.95.3 chill
    ln -sf g++ c++
    ln -sf gcc cc
    ln -sf gcc-2.95.3 i386-slackware-linux-gcc 
    ln -sf g77 f77
    strip *
    chown root.bin * .
  )
  ( cd usr/lib/gcc-lib/i386-slackware-linux/2.95.3
    strip cc1* collect2 cpp f771 jc1 jvgenmain 
  )
  ( cd usr/man/man1
    gzip -9 *
    ln -sf cccp.1.gz cpp.1.gz
    ln -sf g++.1.gz c++.1.gz
    ln -sf g77.1.gz f77.1.gz
    ln -sf gcc.1.gz cc.1.gz
  )  

  # The new tar ignores umask...
  find $TEMPDIR/package-gcc/usr/doc -type f -exec chmod 644 {} \;

  rmdir usr/i386-slackware-linux/include
  rmdir usr/i386-slackware-linux

  mkdir -p $TEMPDIR/package-gcc/install
  # This big package will need to be split...
  ( cd $CWD
    for file in slack-desc* ; do
      cat $file > $TEMPDIR/package-gcc/install/$file
    done )
  # Leave a default so the package can work as-is:
  cp $TEMPDIR/package-gcc/install/slack-desc.gcc $TEMPDIR/package-gcc/install/slack-desc

  # build the tgz package
  (
    cd $TEMPDIR/package-gcc;
    makepkg -l y -c n $TEMPDIR/gcc-$VERSION-$ARCH-$BUILD.tgz
  )
# keep a log
) 2>&1 | tee $TEMPDIR/gcc.build.log