build-emacs.sh

#!/bin/zsh
#
# Building Emacs/Gnus/ERC apps on OS X 10.6 Snow Leopard.
#
# Need git mirror of emacs: git clone git://git.savannah.gnu.org/emacs.git
# And deps in MacPorts.
#

VERSION=$(git log --pretty=format:"%ai %h" -1 | perl -p -e 's,(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d) [^ ]+ ([a-z0-9]+),\1\2\3-\4\5\6-\7,')
###VERSION=$(bzr log -l 1 | grep revno | awk '{print $2}')
TMP=$(mktemp -d -t emacs-$VERSION)
DMG_PRE=~/Downloads/emacs-builds/Emacs-$VERSION
DMG=${DMG_PRE}.dmg

autogen() {
  sh autogen.sh
}

configure() {
  CPPFLAGS=-I/opt/local/include; export CPPFLAGS
  LDFLAGS=-L/opt/local/lib; export LDFLAGS
  
  ./configure \
      --with-ns \
      --without-x \
      --with-jpeg \
      --with-xpm \
      --with-png
}

stage() {
  app=${1}.app
  tmpapp=${2}/$app
  echo staging $app into $tmpapp
  mkdir $tmpapp
  ( cd nextstep/Emacs.app; tar cf - . ) | ( cd $tmpapp; tar xf - )
}

release() {
  stage ERC $TMP
  stage Gnus $TMP
  stage Emacs $TMP
  if [[ -e $DMG ]]; then
    echo removing existing $DMG
    rm $DMG
  fi
  echo creating DMG
  hdiutil create -volname "Emacs $VERSION" -srcfolder $TMP $DMG_PRE
  echo cleaning $TMP
  rm -rf $TMP
}

echo cleaning...
git clean -fd
#[[ -f Makefile ]] && make distclean
#echo cleaning elc...
#find . -name \*.elc | xargs rm  # distclean does NOT remove elc!
echo building...
autogen && configure && make bootstrap && make install && release