#!/bin/sh
# sit class file
#
# Christoph Niethammer <niethammer@hlrs.de> (C) 2012
#
# laki sit command:
# PREFIX_BASE=/opt COMPILER=gnu COMPILER_VERSION=4.8.1 MPI=openmpi MPI_VERSION=1.6.5 ./sit numlib/scotch/6.0.0
#
# hermit sit command:
# PREFIX_BASE=/opt/hlrs COMPILER=pgi COMPILER_VERSION=13.10.0 ./sit numlib/scotch/6.0.0

CATEGORY="numlib"
PACKAGE="scotch"
VERSION="6.0.0"
URL="http://www.labri.fr/perso/pelegrin/scotch/"
INSTALLER="Elke Flehmig <flehmig@hlrs.de>"

# Archive A and package name P
A=${PACKAGE}_${VERSION}.tar.gz
P=${PACKAGE}_${VERSION}/src

BUILDDIR=$SRCDIR

src_prepare() {
  case $PLATFORM in
    hermit|hermit1)
#       there are some GNU extensions Cray compiler doesn't (yet) know about
#        module swap PrgEnv-cray PrgEnv-gnu
        echo "Building for hermit."
#       link most fitting Makefile.inc sample:
        cd $SRCDIR
        cp Make.inc/Makefile.inc.x86-64_cray-xt4_linux2 Makefile.inc
        echo "Linking Makefile.inc in $SRCDIR"
#       adjust CFLAGS:
#       remove not working options: -c99 -fast -fastsse
#       add options: -DINTSIZE64 -DCOMMON_MEMORY_TRACE -DSCOTCH_METIS_PREFIX
#       -DINTSIZE64 - set 64bit type width
#       -DCOMMON_MEMORY_TRACE - enable monitoring of memory allocation
#       -DSCOTCH_METIS_PREFIX - prefix scotch versions of metis files so as to avoid multiply defined symbol conflicts when using scotch and metis together

        patch Makefile.inc < $SRC_POOL/6.0.0_Makefile.inc_patch_cray
    ;;
    laki|*)
    echo "Building for laki."
#       link most fitting Makefile.inc sample:
        cd $SRCDIR
        cp Make.inc/Makefile.inc.x86-64_pc_linux2 Makefile.inc
        echo "Linking Makefile.inc in $SRCDIR"
#       add options to CFLAGS:
#       -DINTSIZE64 -DCOMMON_MEMORY_TRACE -DSCOTCH_METIS_PREFIX
#       -DINTSIZE64 - set 64bit type width
#       -DCOMMON_MEMORY_TRACE - enable monitoring of memory allocation
#       -DSCOTCH_METIS_PREFIX - prefix scotch versions of metis files so as to avoid multiply defined symbol conflicts when using scotch and metis together
#       set CCD to avoid compilation errors for ptscotch:
#        CCD = mpicc
        patch Makefile.inc < $SRC_POOL/6.0.0_Makefile.inc_patch_laki
     ;;
  esac

# set installation target path for prefix:
  cd $SRCDIR
  sed -i -e "/^prefix.*\?= /s#/usr/local#$PREFIX#" Makefile
    
}

sit_configure() {
    sit_info "Configure not required"
}

src_build() {
    sit_info "Building scotch..."
    make scotch || sit_fail "Building scotch failed"
    sit_info "Building ptscotch..."
    make ptscotch || sit_fail "Building ptscotch failed"
}

# check fails on cray (for now...)
src_pretest() {
#      add stdint.h to testfile to avoid failure
       patch check/test_strat_seq.c < $SRC_POOL/6.0.0_test_strat_seq.c_patch_laki
       sit_info "Checking scotch..."
       make check || sit_fail "Checking scotch failed"
#      ptcheck uses mpirun/requires qsub, which we will not process here
#      may be done separately after installation...
       # patch check/test_strat_par.c < $SRC_POOL/6.0.0_test_strat_par.c_patch_laki
       # make ptcheck
}

src_install() {
    mkdir -p $PREFIX
    make install  || sit_fail "Installation failed"
}

src_postinst() {
#   mv documentation to target (not included in make install)
    cd ${WORKDIR}/${PACKAGE}_${VERSION}; mv doc $PREFIX

    sit_info "NOTE: you may want to run 'make ptcheck' on laki, but this has to be done via qsub as it calls mpirun!"
    sit_info "NOTE: try 'make check' and 'ptcheck' on cray, but some may fail or have to be run with mpirun...!"
}