#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG=$TMP/package-flex
SRC=/devel/manpagesrc
INFO=$PKG/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/_flex.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 "| flex-2.5.4 |"
echo "+============+"
cd $TMP
tar xzvf $CWD/flex-2.5.4.tar.gz
cd flex-2.5.4
mkdir -p $PKG/usr/doc/flex-2.5.4
cp -a INSTALL NEWS README $PKG/usr/doc/flex-2.5.4
mkdir -p $PKG/usr/doc/flex-2.5.4/MISC
cd MISC
cp -a EBCDIC README alloca.c debflex.awk parse.c parse.h \
  testxxLexer.l $PKG/usr/doc/flex-2.5.4/MISC
cp -a fastwc $PKG/usr/doc/flex-2.5.4/MISC
chown -R root.root $PKG/usr/doc/flex-2.5.4
cd ..
configure --prefix=/usr
make CFLAGS=-O2 LDFLAGS=-s
cat flex > $PKG/usr/bin/flex
cat FlexLexer.h > $PKG/usr/include/FlexLexer.h
cat libfl.a > $PKG/usr/lib/libfl.a
cat flex.1 | gzip -9c > $PKG/usr/man/man1/flex.1.gz
cd MISC/texinfo
makeinfo flex.texi
mkdir -p $INFO
cat flex.info | gzip -9c > $INFO/flex.info.gz
cat flex.info-1 | gzip -9c > $INFO/flex.info-1.gz
cat flex.info-2 | gzip -9c > $INFO/flex.info-2.gz
cat flex.info-3 | gzip -9c > $INFO/flex.info-2.gz
cp flex.texi $TEX/flex.texi

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

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/flex-2.5.4
  rm -rf $PKG
fi