#!/bin/sh
# find out where the build script is located
tdir=`echo "$0" | sed 's%[\\/][^\\/][^\\/]*$%%'`
test "x$tdir" = "x$0" && tdir=.
scriptdir=`cd $tdir; pwd`
# find src directory.  
# If scriptdir ends in SPECS, then topdir is $scriptdir/.. 
# If scriptdir ends in CYGWIN-PATCHES, then topdir is $scriptdir/../..
# Otherwise, we assume that topdir = scriptdir
topdir1=`echo ${scriptdir} | sed 's%/SPECS$%%'`
topdir2=`echo ${scriptdir} | sed 's%/CYGWIN-PATCHES$%%'`
if [ "x$topdir1" != "x$scriptdir" ] ; then # SPECS
  topdir=`cd ${scriptdir}/..; pwd`
else
  if [ "x$topdir2" != "x$scriptdir" ] ; then # CYGWIN-PATCHES
    topdir=`cd ${scriptdir}/../..; pwd`
  else
    topdir=`cd ${scriptdir}; pwd`
  fi
fi

tscriptname=`basename $0 .sh`
export PKG=xemacs-sumo
export VER=2007-04-27
export REL=1
export FULLPKG=${PKG}-${VER}-${REL}

# determine correct decompression option and tarball filename
if [ -e ${PKG}-${VER}.tar.gz ] ; then
  export opt_decomp=z
  export src_orig_pkg_ext=gz
elif [ -e ${PKG}-${VER}.tgz ] ; then
  export opt_decomp=z
  export src_orig_pkg_ext=tgz
elif [ -e ${PKG}-${VER}.tar.bz2 ] ; then
  export opt_decomp=j
  export src_orig_pkg_ext=bz2
fi

export src_orig_pkg_name=${PKG}-${VER}.tar.${src_orig_pkg_ext}
export src_pkg_name=${FULLPKG}-src.tar.bz2
export src_patch_name=${FULLPKG}.patch
export bin_pkg_name=${FULLPKG}.tar.bz2

export src_orig_pkg=${topdir}/${src_orig_pkg_name}
export src_pkg=${topdir}/${src_pkg_name}
export src_patch=${topdir}/${src_patch_name}
export bin_pkg=${topdir}/${bin_pkg_name}
export srcdir=${topdir}/${PKG}-${VER}
export objdir=${srcdir}/.build
export instdir=${srcdir}/.inst
export srcinstdir=${srcdir}/.sinst
export configurefile=${topdir}/${FULLPKG}.configure
export makefile=${topdir}/${FULLPKG}.make
export checkfile=${topdir}/${FULLPKG}.check
# run on
host=i686-pc-cygwin
# if this package creates binaries, they run on
target=i686-pc-cygwin

prefix=/usr
exec_prefix=${prefix}
sysconfdir=/etc
bindir=${prefix}/bin
sbindir=${prefix}/sbin
libexecdir=${prefix}/libexec
libdir=${prefix}/lib
includedir=${prefix}/include
datadir=${prefix}/share
infodir=${datadir}/info
mandir=${datadir}/man
sharedstatedir=${prefix}/com
localstatedir=/var

cygdatadir=${prefix}/share
docdir=${cygdatadir}/doc/${PKG}-${VER}

MY_CFLAGS="-O2"
MY_LDFLAGS=

mkdirs() {
  (cd ${topdir} && \
  rm -fr ${objdir} ${instdir} ${srcinstdir} && \
  mkdir -p ${objdir} && \
  mkdir -p ${instdir} && \
  mkdir -p ${srcinstdir} )
}
prep() {
  (mkdirs && \
  cd ${srcdir} && \
  tar xv${opt_decomp}f ${src_orig_pkg} ; \
  cd ${topdir} && \
  patch -p0 < ${src_patch} )
}
conf() {
  echo "Nothing to configure"
}
build() {
  echo "Nothing to build"
}
check() {
  (cd ${objdir} && \
  make test | tee ${checkfile} 2>&1 )
}
clean() {
  (cd ${objdir} && \
  make clean )
}
install() {
  (cd ${srcdir} && \
  mkdir -p ${instdir}${datadir}/xemacs         && \
  mv xemacs-packages ${instdir}${datadir}/xemacs && \
  for f in ${prefix}/share/info/dir ${prefix}/info/dir ; do
    if [ -f ${instdir}${f} ] ; then \
      rm -f ${instdir}${f} ; \
    fi ;\
  done &&\
  for d in ${prefix}/share/doc/Cygwin ; do
    if [ ! -d ${instdir}${d} ] ; then
      mkdir -p ${instdir}${d} ;\
    fi ;\
  done &&\
  templist=""; \
  for f in ${srcdir}/ANNOUNCE ${srcdir}/CHANGES ${srcdir}/INSTALL \
           ${srcdir}/KNOWNBUG ${srcdir}/LICENSE ${srcdir}/README \
           ${srcdir}/TODO ${srcdir}/COPYING ; do \
    if [ -f $f ] ; then \
      templist="$templist $f"; \
    fi ; \
  done && \
  if [ ! "x$templist" = "x" ]; then \
    /usr/bin/install -m 644 $templist \
         ${instdir}${prefix}/share/doc/${PKG}-${VER} ;
  fi && \
  if [ -f ${srcdir}/CYGWIN-PATCHES/${PKG}.README ]; then \
    /usr/bin/install -m 644 ${srcdir}/CYGWIN-PATCHES/${PKG}.README \
      ${instdir}${prefix}/share/doc/Cygwin/${PKG}-${VER}.README ; \
  else \
    if [ -f ${srcdir}/CYGWIN-PATCHES/README ]; then \
      /usr/bin/install -m 644 ${srcdir}/CYGWIN-PATCHES/README \
        ${instdir}${prefix}/share/doc/Cygwin/${PKG}-${VER}.README ; \
    fi ;\
  fi ;\
  if [ -f ${srcdir}/CYGWIN-PATCHES/postinstall.sh ] ; then \
  /usr/bin/install -m 755 ${srcdir}/CYGWIN-PATCHES/postinstall.sh \
      ${instdir}${sysconfdir}/postinstall/${PKG}.sh
  fi )
}
strip() {
  echo "Nothing to strip"
}
list() {
  (cd ${instdir} && \
  find . -name "*" ! -type d | sed 's%^\.%  %' ; \
  true )
}
pkg() {
  (cd ${instdir} && \
  tar cvjf ${bin_pkg} * )
}
mkpatch() {
  (cd ${topdir}                                  && \
  if [ ! -d ${topdir}/${PKG}-${VER}-orig ] ; then
    mkdir -p ${topdir}/${PKG}-${VER}-orig
    cd ${PKG}-${VER}-orig                        && \
    tar xv${opt_decomp}f ${src_orig_pkg}
  fi
  cd ${topdir}                                   && \
  diff -urN -x '.build' -x '.inst' -x '.sinst'      \
    ${PKG}-${VER}-orig ${PKG}-${VER} >              \
    ${srcinstdir}/${src_patch_name}
  rm -rf ${PKG}-${VER}-orig
  )
}
spkg() {
  (cp ${src_orig_pkg} ${srcinstdir}/${src_orig_pkg_name} && \
  cp $0 ${srcinstdir}/`basename $0` && \
  cd ${srcinstdir} && \
  tar cvjf ${src_pkg} * )
}
finish() {
  rm -rf ${srcdir} 
  rm ${configurefile} > /dev/null 2>&1 
  rm ${makefile}      > /dev/null 2>&1 
  rm ${checkfile}     > /dev/null 2>&1 
}
case $1 in
  prep)	         prep ; STATUS=$? ;;
  mkdirs)      mkdirs ; STATUS=$? ;;
  conf)	         conf ; STATUS=$? ;;
  build)	build ; STATUS=$? ;;
  check)	check ; STATUS=$? ;;
  clean)	clean ; STATUS=$? ;;
  install)    install ; STATUS=$? ;;
  list)	         list ; STATUS=$? ;;
  strip)	strip ; STATUS=$? ;;
  package)	  pkg ; STATUS=$? ;;
  pkg)	          pkg ; STATUS=$? ;;
  mkpatch)    mkpatch ; STATUS=$? ;;
  src-package)	 spkg ; STATUS=$? ;;
  spkg)	         spkg ; STATUS=$? ;;
  finish)      finish ; STATUS=$? ;;
  all) prep && mkpatch && conf && build && install && \
      strip && pkg  && spkg  && finish ; \
	    STATUS=$? ;;
  *) echo "Error: bad arguments" ; exit 1 ;;
esac
exit ${STATUS}
