#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG=$TMP/package-m4
SRC=/devel/manpagesrc
INFO=/devel/info-pages/usr/info
TEX=/devel/texinfo-docs

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi
if [ ! -d $PKG ]; then
  mkdir -p $PKG # place for the package to be built
fi

# Explode the package framework:
cd $PKG
explodepkg $CWD/_m4.tar.gz

# Function to handle manpage source:
man2gz () { # $1 is source page name, $2 is target name for preformatted
            # output (full path && name) and $3 is the same, but for the
            # source.
  mkdir -p `dirname $2`
  groff -Tascii -mandoc $1 | gzip -9c > $2
  if [ ! "$3" = "" ]; then
    mkdir -p `dirname $3`
    cat $1 > $3 
  fi 
}

echo "+========+"
echo "| m4-1.4 |"
echo "+========+"
cd $TMP
tar xzvf $CWD/m4-1.4.tar.gz
cd m4-1.4
./configure --prefix=/usr
make CFLAGS=-O2 LDFLAGS=-s
cd src
make ansi2knr CFLAGS=-O2 LDFLAGS=-s
cat ansi2knr > $PKG/usr/bin/ansi2knr
cat m4 > $PKG/usr/bin/m4
man2gz ansi2knr.1 $PKG/usr/man/preformat/cat1/ansi2knr.1.gz $SRC/usr/man/man1/ansi2knr.1
cd ../examples
for file in * ; do
  cat $file > $PKG/usr/lib/m4-examples/$file
done
cd ../doc
cat m4.info | gzip -9c > $INFO/m4.info.gz
cat m4.info-1 | gzip -9c > $INFO/m4.info-1.gz
cat m4.info-2 | gzip -9c > $INFO/m4.info-2.gz
cat m4.info-3 | gzip -9c > $INFO/m4.info-3.gz
cp m4.texinfo $TEX/m4.texi

# Build the package:
cd $PKG
tar czvf $TMP/m4.tgz .

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/m4-1.4
  rm -rf $PKG
fi