#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG1=$TMP/emacsbin
PKG2=$TMP/emacmisc
PKG3=$TMP/elispc
PKG4=$TMP/elisp1
PKG5=$TMP/elisp2
PKG6=$TMP/emac_nox

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
for pkg in $PKG1 $PKG2 $PKG3 $PKG4 $PKG5 $PKG6 ; do
  if [ ! -d $pkg ]; then
    mkdir -p $pkg # place for the package to be built
  fi
done

# Explode the package framework:
( cd $PKG1 ; tar xzvf $CWD/_emacsbin.tar.gz )
( cd $PKG2 ; tar xzvf $CWD/_emacmisc.tar.gz )
( cd $PKG3 ; tar xzvf $CWD/_elispc.tar.gz )
( cd $PKG4 ; tar xzvf $CWD/_elisp1.tar.gz )
( cd $PKG5 ; tar xzvf $CWD/_elisp2.tar.gz )
( cd $PKG6 ; tar xzvf $CWD/_emac_nox.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 "| emacs-19.28 |"
echo "+=============+"
cd $TMP
tar xzvf $CWD/emacs-19.28.tar.gz
cd emacs-19.28
# First let's build a version with X support:
./configure i486-slackware-linux --prefix=/usr --with-x11 --with-x-toolkit
make CFLAGS=-O2 LDFLAGS=-s
cd info
rm COPYING dir
for file in * ; do
  cat $file | gzip -9c > $PKG1/usr/info/$file.gz
done
cd ../src
cat emacs > $PKG1/usr/bin/emacs-19.28-with-x11
cd ../lib-src
cat b2m > $PKG1/usr/bin/b2m
cat ctags > $PKG1/usr/bin/ctags
cat etags > $PKG1/usr/bin/etags
cat emacsclient > $PKG1/usr/bin/emacsclient
cat cvtmail > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/cvtmail
cat digest-doc > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/digest-doc
cat emacsserver > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/emacsserver
cat fakemail > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/fakemail
cat hexl > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/hexl
cat make-docfile > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/make-docfile
cat make-path > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/make-path
cat movemail > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/movemail
cat profile > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/profile
cat rcs2log > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/rcs2log
cat sorted-doc > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/sorted-doc
cat test-distrib > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/test-distrib
cat timer > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/timer
cat vcdiff > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/vcdiff
cat wakeup > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/wakeup
cat yow > $PKG1/usr/lib/emacs/19.28/i486-slackware-linux/yow
cd ../etc
man2gz emacs.1 $PKG1/usr/man/preformat/cat1/emacs.1.gz $SRC/usr/man/man1/emacs.1
man2gz etags.1 $PKG1/usr/man/preformat/cat1/etags.1.gz $SRC/usr/man/man1/etags.1
( cd $SRC/usr/man/man1 ; ln -sf etags.1 ctags.1 )
cd ../lisp
cp abbrevlist.el blessmail.el cal-menu.el cdl.el cl-specs.el foldout.el \
iso-transl.el ispell4.el loaddefs.el loadup.el paths.el sc.el tpu-doc.el \
version.el vt-control.el $PKG1/usr/lib/emacs/19.28/lisp
cd term
cp * $PKG1/usr/lib/emacs/19.28/lisp/term
( cd $PKG1/usr/lib/emacs/19.28/lisp/term ; chmod 644 * )
( cd $PKG1/usr/lib/emacs/19.28/lisp ; chmod 644 *.el )
cd ../../etc
cp -a * $PKG2/usr/lib/emacs/19.28/etc
cd ../lisp
cp *.elc $PKG3/usr/lib/emacs/19.28/lisp
chmod 644 $PKG3/usr/lib/emacs/19.28/lisp/*.elc
cp {a,b,c,d,e,f,g,h,i,j,k}*.el $PKG4/usr/lib/emacs/19.28/lisp
chmod 644 $PKG4/usr/lib/emacs/19.28/lisp/*.el
cp {l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}*.el $PKG5/usr/lib/emacs/19.28/lisp
chmod 644 $PKG5/usr/lib/emacs/19.28/lisp/*.el
# OK, now we rebuild for people that don't have X:
echo "+====================================+"
echo "| Rebuilding emacs without X support |"
echo "+====================================+"
cd ..
make clean
./configure i486-slackware-linux --prefix=/usr --with-x=no
make CFLAGS=-O2 LDFLAGS=-s
cd src
cat emacs > $PKG6/usr/bin/emacs-19.28-no-x11
cd ../etc
cat DOC-19.28.1 > $PKG6/usr/lib/emacs/19.28/etc/DOC-19.28.1
cd ../man
cp *.texi $TEX

# Build the packages:
( cd $PKG1 ; tar czvf $TMP/emacsbin.tgz . )
( cd $PKG2 ; tar czvf $TMP/emacmisc.tgz . )
( cd $PKG3 ; tar czvf $TMP/elispc.tgz . )
( cd $PKG4 ; tar czvf $TMP/elisp1.tgz . )
( cd $PKG5 ; tar czvf $TMP/elisp2.tgz . )
( cd $PKG6 ; tar czvf $TMP/emac_nox.tgz . )

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/emacs-19.28
  rm -rf $PKG1 $PKG2 $PKG3 $PKG4 $PKG5 $PKG6
fi