#!/bin/bash

# perl.SlackBuild
# Heavily based on the original Slackware build script by
# Patrick Volkerding & David Cantrell.
# 01-Jun-2004

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

# Additional required modules:
DBDMYSQL=4.018
DBI=1.616
URI=1.58
XMLPARSER=2.40
XMLSIMPLE=2.18

# : IMPORTANT VERSION INFORMATION :
# IMPORTANT: also update -Dinc_version_list in ./configure below!

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete and re-create temporary directories

# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv4t"
            export LIBDIRSUFFIX="" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.?z*
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Security patches:
zcat $CWD/10_hash.t.gz | patch -p1 --verbose || exit 1
zcat $CWD/hash.t.gz | patch -p1 --verbose || exit 1
zcat $CWD/hv.c.gz | patch -p1 --verbose || exit 1

# Apply patches (taken from Debian's diff):
tar xf  $PORTCWD/sources/perl*debian* || exit 1
auto_apply_patch debian/patches/debian/arm_optim.diff || exit 1
auto_apply_patch debian/patches/debian/arm_thread_stress_timeout.diff || exit 1

# Configure perl:
USE_THREADS="-Dusethreads -Duseithreads" 
./Configure -de $USE_THREADS \
   -Dprefix=/usr \
   -Dcccdlflags='-fPIC' \
   -Dinstallprefix=/usr \
   -Dvendorprefix=/usr \
   -Doptimize="$SLKCFLAGS" \
   -Dlibpth="/usr/local/lib${LIBDIRSUFFIX} /usr/lib${LIBDIRSUFFIX} /lib${LIBDIRSUFFIX}" \
   -Dpager='/usr/bin/less -isr' \
   -Dinc_version_list='5.12.2 5.12.1 5.12.0 5.10.1 5.10.0 5.8.8 5.8.7 5.8.6 5.8.5 5.8.4 5.8.3 5.8.2 5.8.1 5.8.0' \
   -Darchname=$ARCH-linux-gnueabi || failconfig

# Kludge for gcc-4.2.3's needlessly changed output:
cat makefile | grep -v '\<command-line\>' > foo
mv foo makefile
cat x2p/makefile | grep -v '\<command-line\>' > foo
mv foo x2p/makefile

# Build:
make $NUMJOBS || failmake
make test || failtest

# Install onto filesystem (needed to build modules):
make install
( cd /usr/bin
  ln -vsf perl$VERSION perl
  ln -vsf c2ph pstruct
  ln -vsf s2p psed )
mkdir -p /usr/lib${LIBDIRSUFFIX}/perl5/vendor_perl/${VERSION}/${ARCH}-linux-gnueabi-thread-multi

# Install into package directory:
make install DESTDIR=$PKG
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/perl5/vendor_perl/${VERSION}/${ARCH}-linux-gnueabi-thread-multi

# Add additional modules:
( cd ext
  ( tar xvvf $CWD/DBI-${DBI}.tar.gz
    cd DBI-${DBI}
    slackhousekeeping
    perl Makefile.PL INSTALLDIRS=vendor
    make
    make test
    make install
    make install DESTDIR=$PKG
    mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/DBI-${DBI}
    cp -a README $PKG/usr/doc/$PKGNAM-$VERSION/DBI-${DBI}
  )
  ( tar xvvf $CWD/DBD-mysql-${DBDMYSQL}.tar.gz
    cd DBD-mysql-${DBDMYSQL}
    slackhousekeeping
    perl Makefile.PL INSTALLDIRS=vendor
    make
    make test
    make install
    make install DESTDIR=$PKG
    mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/DBD-mysql-${DBDMYSQL}
    cp -a INSTALL.html README TODO $PKG/usr/doc/$PKGNAM-$VERSION/DBD-mysql-${DBDMYSQL}
  )
  ( tar xvvf $CWD/XML-Parser-${XMLPARSER}.tar.gz
    cd XML-Parser-${XMLPARSER}
    slackhousekeeping
    perl Makefile.PL INSTALLDIRS=vendor
    make
    make test
    make install
    make install DESTDIR=$PKG
    mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/XML-Parser-${XMLPARSER}
    cp -a README $PKG/usr/doc/$PKGNAM-$VERSION/XML-Parser-${XMLPARSER}
  )
  ( tar xvvf $CWD/XML-Simple-${XMLSIMPLE}.tar.gz
    cd XML-Simple-${XMLSIMPLE}
    chown -R root:root .
    perl Makefile.PL INSTALLDIRS=vendor
    make
    make test
    make install
    make install DESTDIR=$PKG
    mkdir -p $PKG/usr/doc/perl-$VERSION/XML-Simple${XMLSIMPLE}
    cp -a README $PKG/usr/doc/perl-$VERSION/XML-Simple${XMLSIMPLE}
    chmod 644 $PKG/usr/doc/perl-$VERSION/XML-Simple${XMLSIMPLE}/*
  )
  ( tar xvvf $CWD/URI-${URI}.tar.gz
    cd URI-${URI}
    slackhouskeeping
    perl Makefile.PL INSTALLDIRS=vendor
    make
    make test
    make install
    make install DESTDIR=$PKG
    mkdir -p $PKG/usr/doc/perl-$VERSION/URI-${URI}
    cp -a README $PKG/usr/doc/perl-$VERSION/URI-${URI}
    chmod 644 $PKG/usr/doc/perl-$VERSION/URI-${URI}/*
  )
)

# Symlinks that replace hard links
( cd $PKG/usr/bin
  ln -vsf perl$VERSION perl
  ln -vsf c2ph pstruct
  ln -vsf s2p psed )

# Install documentation
mkdir -pm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  AUTHORS Artistic Changes Copying INSTALL MANIFEST \
  README README.{cn,jp,ko,tw} README.linux \
  $PKG/usr/doc/$PKGNAM-$VERSION

# We follow LSB with symlinks in /usr/share:
( cd $PKG/usr/share
  mv man .. )
( cd $PKG/usr/man/man1
  mkdir foo
  cp *.1 foo
  rm *.1
  mv foo/* .
  rmdir foo
  gzip -9 *
  ln -vsf c2ph.1.gz pstruct.1.gz
  ln -vsf s2p.1.gz psed.1.gz )
( cd $PKG/usr/man/man3 && gzip -9 * )

chmod 755 $PKG/usr/bin/*
chmod 644 $PKG/usr/man/man?/*
rm -rf $PKG/usr/share

# This file shouldn't get clobbered:
if [ -r $PKG/usr/lib${LIBDIRSUFFIX}/perl5/${VERSION}/${ARCH}-linux-gnueabi-thread-multi/perllocal.pod ]; then
  mv -fv $PKG/usr/lib${LIBDIRSUFFIX}/perl5/${VERSION}/${ARCH}-linux-gnueabi-thread-multi/perllocal.pod \
         $PKG/usr/lib${LIBDIRSUFFIX}/perl5/${VERSION}/${ARCH}-linux-gnueabi-thread-multi/perllocal.pod.new
fi

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# The Slackware doinst.sh script contains non-portable arch names:
#sed -i 's?i486?'"$ARCH"'?g' install/doinst.sh
# And switch our target tripet to include "gnueabi"
#sed -i 's?linux-thread-multi?linux-gnueabi-thread-multi?g' install/doinst.sh
cat << EOF > $PKG/install/doinst.sh
#!/bin/sh
config() {
  NEW="\$1"
  OLD="\$(dirname \$NEW)/\$(basename \$NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r \$OLD ]; then
    mv \$NEW \$OLD
  elif [ "\$(cat \$OLD | md5sum)" = "\$(cat \$NEW | md5sum)" ]; then # toss the redundant copy
    rm \$NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}
config usr/lib/perl5/${VERSION}/$ARCH-linux-gnueabi-thread-multi/perllocal.pod.new
EOF

slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links