#!/bin/sh
# Heavily based on the Slackware 12.1 SlackBuild
# Build/install Tcl the way Slackware's binary package is made:

CWD=`pwd`
TMP=${TMP:-/tmp/tgz}
PKG=$TMP/package-tcl
NAME=tcl
VERSION=8.5.2
ARCH=${ARCH:-i486}
BUILD=1ga

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O3 -march=i686 -pipe -fomit-frame-pointer"
elif [ "$ARCH" = "athlon64" ]; then
  SLKCFLAGS="-O2 -march=athlon64 -pipe"
elif [ "$ARCH" = "athlonxp" ]; then
  SLKCFLAGS="-O3 -march=athlon-xp -pipe -fomit-frame-pointer"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

if [ ! -d $TMP ]; then
 mkdir -p $TMP
fi
if [ ! -d $PKG ]; then
 mkdir -p $PKG
fi

cd $TMP
tar xzvf $CWD/tcl$VERSION-src.tar.gz || exit 1
cd tcl$VERSION || exit 1

chown -R root:root .
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;
mkdir -p $PKG/usr/doc/tcl-$VERSION
cp -a README license.terms $PKG/usr/doc/tcl-$VERSION
cd unix
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --enable-shared \
  --enable-man-symlinks \
  --enable-man-compression=gzip \
  --enable-64bit \
  --build=$ARCH-slackware-linux
make -j4 || exit 1
make install DESTDIR=$PKG

# Some sources require Tcl's private headers, which might not be the
# best thing but we'll include them where we've seen other teams
# doing the same thing:
mkdir -p $PKG/usr/include/tcl-private/{generic,unix}
cp -a ../generic/*.h $PKG/usr/include/tcl-private/generic
cp -a ../unix/*.h $PKG/usr/include/tcl-private/unix
( cd $PKG/usr/include/tcl-private/generic
  rm -f tcl.h tclDecls.h tclPlatDecls.h
  ln -sf ../../tcl.h .
  ln -sf ../../tclDecls.h .
  ln -sf ../../tclPlatDecls.h
)

( cd $PKG/usr/bin
  rm -f tclsh
  ln -sf tclsh8.5 tclsh
)
( cd $PKG/usr/lib
  rm -f libtcl.so
  ln -sf libtcl8.5.so libtcl.so
)

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/$NAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/slack-desc

cd $PKG
requiredbuilder -v -y -s $CWD $PKG
if [ -x /sbin/makepkg7 ]; then
 makepkg7 -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz
else
 makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz
fi

if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi
