Ticket #189: opensg-1.8.ebuild

# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils

DESCRIPTION="OpenSG is a portable scenegraph system to create realtime graphics programs, e.g. for virtual reality applications."
HOMEPAGE="http://www.opensg.org"
LICENSE="LGPL-2"

SRC_URI="http://superb-east.dl.sourceforge.net/sourceforge/opensg/opensg_dailybuild.070704.source.tgz"

SLOT="1"
KEYWORDS="~x86 ~amd64"

# TODO: add use flags for distcc, qt4, tests 
IUSE="debug tiff png openexr gif cal3d jpeg qt3 cg tests doc"

DEPEND="
  virtual/opengl
  virtual/glut
  >=sys-libs/zlib-1.2.3-r1
  tiff? ( >=media-libs/tiff-3.8.2-r2 )
  png? ( >=media-libs/libpng-1.2.16 )
  gif? ( >=media-libs/giflib-4.1.4 )
  jpeg? ( >=media-libs/jpeg-6b-r7 )
  openexr? ( media-libs/openexr )
  cal3d? ( >=media-libs/cal3d-0.11.0-r1 )
  qt3? ( >=x11-libs/qt-3.3.8 )
  cg? ( >=media-gfx/nvidia-cg-toolkit-1.5.0 )
  doc? ( >=app-doc/doxygen-1.4.2 )
  doc? ( sci-visualization/gnuplot )
  doc? ( media-gfx/imagemagick )
  doc? ( media-gfx/transfig )
"

RDEPEND="${DEPEND}"

#S="${WORKDIR}/${P}"

# globally set the type of OpenSG to be build
OSGTYPE="opt"
if use debug ; then
  OSGTYPE="dbg"
fi

src_unpack()
{
  unpack ${A}

  # add scons modifications for the docs
  cd ${WORKDIR}/OpenSG
  epatch ${FILESDIR}/opensg_1.8_scons_doc_all.diff
}

src_compile()
{
  # setup scons options
  osg_gif="0"
  if use gif ; then
    osg_gif="1"
  fi

  osg_png="0"
  if use png ; then
    osg_png="1"
  fi

  osg_tiff="0"
  if use tiff ; then
    osg_tiff="1"
  fi

  osg_jpeg="0"
  if use jpeg ; then
    osg_jpeg="1"
  fi

  osg_cal3d="0"
  if use cal3d ; then
    osg_cal3d="/usr"
  fi

  osg_qt3="0"
  if use qt3 ; then
    osg_qt3="/usr/qt/3"
  fi

  osg_cgchunk="0"
  osg_cg="0"
  osg_cgfxmaterial2="0"
  osg_cg="0"
  if use cg ; then
    elog "Nvidia Cg support is currently disabled. i'm sorry."
    #osg_cg="/usr"
    #osg_cgchunk="1"
    #osg_cgfxmaterial2="1"
  fi

  osg_tests="0"
  if use tests ; then
    osg_tests="1"
  fi

  osg_doc="0"
  if use doc ; then
    osg_doc="1"
  fi
  

  # call scons (this customized scons is part of the opensg package)
  cd ${WORKDIR}/OpenSG
  ./scons ${MAKEOPTS} \
    type=${OSGTYPE} \
    gif=${osg_gif} \
    tif=${osg_tiff} \
    png=${osg_png} \
    jpg=${osg_jpeg} \
    qt=${osg_qt3} \
    contrib_cal3d=${osg_cal3d} \
    cg=${osg_cg} \
    contrib_cgchunk=${osg_cgchunk} \
    contrib_cgfxmaterial2=${osg_cgfxmaterial2} \
    tests=${osg_tests} \
    userdocs=${osg_doc} \
    || die \
    "!!! Please add ${S}/config.log when filing bugs reports to bugs.gentoo.org"
}


src_install()
{
  osg_install="OpenSG/Build/linux-gcc/installed"

  # install tool binaries
  exeinto /usr/bin
  doexe ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/fcdCompile
  doexe ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/runGraphOp
  doexe ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/proxyBuilder

  if use qt3 ; then
    doexe ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/fcdEdit
    doexe ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/osgSceneViewer
  fi

  # install libraries
  dolib.so ${WORKDIR}/${osg_install}/lib/${OSGTYPE}/*.so

  # install headers
  # the headers are split into two commands
  insinto /usr/include/OpenSG
  doins ${WORKDIR}/${osg_install}/include/OpenSG/*.inl
  doins ${WORKDIR}/${osg_install}/include/OpenSG/OSG[0-9A-Ma-m]*.h
  doins ${WORKDIR}/${osg_install}/include/OpenSG/OSG[N-Zn-z]*.h

  # install tutorials
  exeinto /usr/share/${PN}/tutorials
  doexe ${WORKDIR}/${osg_install}/Tutorials/*
  insinto /usr/share/${PN}/tutorials
  doins ${WORKDIR}/OpenSG/Tutorials/*.cpp
  doins ${WORKDIR}/OpenSG/Tutorials/Makefile

  # install documentation
  if use doc ; then
    cd ${WORKDIR}/OpenSG/Doc/Code/user/html;
    for i in $( ls ); do
      dodoc ${i};
    done
    #dodoc ${WORKDIR}/OpenSG/Doc/Code/user/html/*
  fi
}