Ticket #1035: OpenModelica-9999.ebuild

# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: ... ebo Exp $

#inherit flag-o-matic subversion eutils
inherit subversion

DESCRIPTION="A Modelica modeling, compilation and simulation environment."
HOMEPAGE="http://www.ida.liu.se/labs/pelab/modelica/OpenModelica.html"

# the original package tarball disappeared, so build it from SVN source
ESVN_REPO_URI="https://openmodelica.ida.liu.se/svn/OpenModelica/trunk"
ESVN_OPTIONS=" --username anonymous --password none"
S=${WORKDIR}/trunk


LICENSE="OSMC"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="+corba doc threads fortran"

DEPEND="sys-apps/sed
  sys-apps/coreutils
  sys-apps/findutils
  app-arch/tar
  media-libs/coin
  media-libs/SoQt"
RDEPEND="dev-lang/rml
  =dev-java/antlr-2*
  sys-libs/readline
  threads? ( dev-libs/boost )
  corba? ( >=net-misc/mico-2.3.12 
    =x11-libs/qt-4* 
    >=virtual/jre-1.4 )
  ${DEPEND}"

pkg_setup() {
  export RMLHOME="${ROOT}usr"
  export ANTLRHOME="${ROOT}usr"
  export CLASSPATH="${ROOT}usr/share/antlr/lib/antlr.jar"

  # This package is very sensitive to parallelisation of the build
  # process. Do not do it and you will be safe.
  MAKEOPTS="${MAKEOPTS} -j1"
}

src_unpack() {
  subversion_src_unpack || die "subversion unpack failed"

  cd "${S}"
  chmod +x configure
  chmod +x Compiler/rml2sig/rmldep-new.sh

    # FIXME: 
  #epatch "${FILESDIR}/${P}-build_fixes.patch"
  epatch "${FILESDIR}/OpenModelica-1.4.5-build_fixes.patch"

  # Convert DOS line endings to UNIX, or script will not work.
  sed -i -e "s|\r$||g" configure
}

src_compile() {
  econf \
        --without-CORBA \
    $(use_with corba CORBA) \
    $(use_with threads MODPAR) \
    $(use_with threads BOOST) \
    || die "Configure failed."

  # Correct the documentation installation directory: the package
  # does not give a 'make doc' alternative, so we simply install it
  # into a folder that will be discarded if documentation is not
  # desired.
  if use doc ; then
    sed -i -r "s|^(INSTALL_DOCDIR.*)/omc/doc|\1/doc/${P}|" "${S}/Makefile"
  else
    sed -i -r "s|^(INSTALL_DOCDIR).*/omc/doc|\1 = ${T}/rubbish|" "${S}/Makefile"
  fi

  emake || die "Build of the OpenModelica Compiler failed."

  if use corba ; then
    cd "${S}/OMShell"
    qmake OMShell.pro || die "QMake could not be run on OMShell.pro."
    emake || die "Build of the OpenModelica GUI Shell failed."
  else
    ewarn "You deactivated CORBA support for OpenModelica. This means also"
    ewarn "that the Qt-based GUI will not be built."
  fi
}

src_install() {
  sed -i -r "s#^((lib|data)dir\s*=)\s*/usr(.*)#\1 \${prefix}\3#" Makefile
  make prefix="${D}/usr" install
  dobin "${S}/OMShell/OMShell"
  # Yes, it looks stupid to put data files in /bin, but that's
  # where OpenModelica expects them to be.
  dobin "${S}/OMNotebook/OMNotebookQT4/commands.xml"
  dobin "${S}/OMNotebook/OMNotebookQT4/modelicacolors.xml"
  dobin "${S}/OMNotebook/OMNotebookQT4/stylesheet.xml"

    # removed... see below
  #dodoc "${S}/build/bin/ptplot\ copyright.txt"
  dodoc "${S}/OSMC-License.txt"

  # Untar the Modelica standard library and set permissions
  LIBRARYDIR="${D}/usr/share/${PN}"
  mkdir ${LIBRARYDIR}
  cd ${LIBRARYDIR}
  tar xzf "${S}/Compiler/VC7/Setup/zips/ModelicaLib.tar.gz"
  for DIR in $( find ${LIBRARYDIR} -type d )
  do
    chmod 755 ${DIR}
  done
  for FILE in $( find ${LIBRARYDIR} -type f )
  do
    chmod 644 ${FILE}
  done

  # Build environment variables
  echo "OPENMODELICAHOME=${ROOT}usr" > "${T}/99OpenModelica"
  echo "OPENMODELICALIBRARY=${ROOT}usr/share/${PN}/ModelicaLibrary" >> "${T}/99OpenModelica"
  doenvd "${T}/99OpenModelica"
  
  # Do some spring cleaining: some files must be removed.
  cd "${D}/usr"
  # Note that lib/ could be lib64/ or lib32/.
  rm -f lib*/libQt*.a lib*/libf2c*
  # This has been dodoc'ed above.
  rm -f bin/ptplot\ copyright.txt
  # Remove files that are not useful in UNIX.
  rm -f bin/Compile.* bin/doPlot.* bin/omc_*
  # Remove one header that belongs to another package.
  rm -f include/f2c.h

  # Adjust some permissions
  chmod 755 "${D}/usr/bin/Compile"
  chmod 755 "${D}/usr/bin/doPlot"
  # ... And fix some line endings
  sed -i -e "s|\r$||g" "${D}/usr/bin/Compile"
  sed -i -e "s|\r$||g" "${D}/usr/bin/doPlot"
}

pkg_postinst() {
  if use corba ; then
    ewarn "Remember to run 'source /etc/profile' as a user before starting the"
    ewarn "graphical interface OMShell, otherwise it will not be able to"
    ewarn "find the compiler and the Modelica standard library."
    ewarn
    ewarn "Note that OMShell generates a number of garbage files (C++ files,"
    ewarn "result listings, executables) in the folder it is run from. You"
    ewarn "should run OMShell from a sandbox folder."
  fi
  echo
  einfo "OpenModelica..."
  echo
}