path: root/src/detect.sh

#! /bin/bash

################################################################################
# Prepare
################################################################################

# Set up shell
if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
    set -x                      # Output commands
fi
set -e                          # Abort on errors

. $CCTK_HOME/lib/make/bash_utils.sh

################################################################################
# Check for old mechanism
################################################################################

if [ -n "${HDF5}" ]; then
    echo 'BEGIN ERROR'
    echo "Setting the option \"HDF5\" is incompatible with the HDF5 thorn. Please remove the option HDF5=${HDF5}."
    echo 'END ERROR'
    exit 1
fi

# Take care of requests to build the library in any case
HDF5_DIR_INPUT=$HDF5_DIR
if [ "$(echo "${HDF5_DIR}" | tr '[a-z]' '[A-Z]')" = 'BUILD' ]; then
    HDF5_BUILD=yes
    HDF5_DIR=
else
    HDF5_BUILD=
fi

# HDF5 can be configures in different ways
HDF5_C_LIBS='hdf5_hl hdf5'
if [ "${HDF5_ENABLE_CXX:=no}" = 'yes' ]; then
    HDF5_CXX_LIBS='hdf5_hl_cpp hdf5_cpp'
    HDF5_REQ='C++'
fi
if [ "${HDF5_ENABLE_FORTRAN:=yes}" = 'yes' ]; then
    if [ "${F90}" != "none" ]; then
        HDF5_FORTRAN_LIBS='hdf5hl_fortran hdf5_fortran'
        HDF5_REQ="$HDF5_REQ Fortran"
    fi
fi
if [ -n "$HDF5_REQ" ]; then
    echo "BEGIN MESSAGE"
    echo "Additional requested language support: $HDF5_REQ"
    echo "END MESSAGE"
fi

HDF5_REQ_LIBS="${HDF5_CXX_LIBS} ${HDF5_FORTRAN_LIBS} ${HDF5_C_LIBS}"

################################################################################
# Search
################################################################################
if [[ -z "$HDF5_BUILD" ]]; then
    find_lib HDF5 hdf5 1 1.0 "$HDF5_REQ_LIBS" "hdf5.h" "$HDF5_DIR"

    # Sadly, pkg-config for HDF5 is good for paths, but bad for the list of
    # available (and necessary) library names, so we have to fix things
    if [ -n "$PKG_CONFIG_SUCCESS" ]; then
        HDF5_LIBS="hdf5_hl $HDF5_LIBS"
        find_libs "$HDF5_LIB_DIRS" "hdf5_hl"
        if [ -z "$FOUND" ]; then
            echo 'BEGIN ERROR'
            echo 'Detected problem with HDF5 libary at'
            echo "          $HDF5_DIR ($HDF5_LIB_DIRS)"
            echo 'Library hdf5_hl not found.'
            echo 'END ERROR'
            exit 1
        fi
        if [ "${HDF5_ENABLE_CXX:=no}" = 'yes' ]; then
            HDF5_LIBS="hdf5_hl_cpp hdf5_cpp $HDF5_LIBS"
            find_libs "$HDF5_LIB_DIRS" "hdf5_hl_cpp hdf5_cpp"
            if [ -z "$FOUND" ]; then
                echo 'BEGIN ERROR'
                echo 'HDF5 Installation found at '
                echo "       $HDF5_DIR ($HDF5_LIB_DIRS)"
                echo '     does not provide requested C++ support. Either specify the '
                echo '     location of a different HDF5 installation, or do not '
                echo '     require the HDF5 C++ interface if you do not need it '
                echo '     (set HDF5_ENABLE_CXX to "no").'
                echo 'END ERROR'
                exit 1
            fi
        fi
        if [ "${HDF5_ENABLE_FORTRAN:=yes}" = 'yes' ]; then
            HDF5_LIBS="hdf5hl_fortran hdf5_fortran $HDF5_LIBS"
            find_libs "$HDF5_LIB_DIRS" "hdf5hl_fortran hdf5_fortran"
            if [ -z "$FOUND" ]; then
                echo 'BEGIN ERROR'
                echo 'HDF5 Installation found at '
                echo "       $HDF5_DIR ($HDF5_LIB_DIRS)"
                echo '     does not provide requested Fortran support. Either specify '
                echo '     location of a different HDF5 installation, or do not '
                echo '     require the HDF5 Fortran interface if you do not need it '
                echo '     (set HDF5_ENABLE_FORTRAN to "no").'
                echo 'END ERROR'
                exit 1
            fi
        fi
    fi
fi

################################################################################
# Build
################################################################################
THORN=HDF5

if [ -n "$HDF5_BUILD" -o -z "${HDF5_DIR}" ]; then
    echo "BEGIN MESSAGE"
    echo "Using bundled HDF5..."
    echo "END MESSAGE"
    
    check_tools "tar patch"

    # Set locations
    NAME=hdf5-1.8.14
    SRCDIR="$(dirname $0)"
    BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
    if [ -z "${HDF5_INSTALL_DIR}" ]; then
        INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
    else
        echo "BEGIN MESSAGE"
        echo "Installing HDF5 into ${HDF5_INSTALL_DIR}"
        echo "END MESSAGE"
        INSTALL_DIR=${HDF5_INSTALL_DIR}
    fi
    HDF5_DIR=${INSTALL_DIR}
    # Fortran modules may be located in the lib directory
    HDF5_INC_DIRS="${HDF5_DIR}/include ${HDF5_DIR}/lib"
    HDF5_LIB_DIRS="${HDF5_DIR}/lib"
    HDF5_LIBS="${HDF5_CXX_LIBS} ${HDF5_FORTRAN_LIBS} ${HDF5_C_LIBS}"
fi

if [ -n "$HDF5_DIR" ]; then
    # Fortran modules may be located in the lib directory
    : ${HDF5_RAW_LIB_DIRS:="$HDF5_LIB_DIRS"}
    HDF5_INC_DIRS="$HDF5_RAW_LIB_DIRS $HDF5_INC_DIRS"
    # We need the un-scrubbed inc dirs to look for a header file below.
    : ${HDF5_RAW_INC_DIRS:="$HDF5_INC_DIRS"}
else
    echo 'BEGIN ERROR'
    echo 'ERROR in HDF5 configuration: Could neither find nor build library.'
    echo 'END ERROR'
fi

mkdir ${SCRATCH_BUILD}/done 2> /dev/null || true
DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
date > ${DONE_FILE}

################################################################################
# Check for additional libraries
################################################################################

# Check whether we are running on Windows
if perl -we 'exit (`uname` =~ /^CYGWIN/)'; then
    is_windows=0
else
    is_windows=1
fi

# Check whether we are running on MacOS
if perl -we 'exit (`uname` =~ /^Darwin/)'; then
    is_macos=0
else
    is_macos=1
fi

# check installed library, assume that everything is fine if we build
if [ -z "$HDF5_BUILD" -a -n "${HDF5_DIR}" ]; then
  # find public include file
  for dir in $HDF5_RAW_INC_DIRS; do
      if [ -r "$dir/H5pubconf.h" ]; then
          H5PUBCONF="$H5PUBCONF $dir/H5pubconf.h"
      fi
  done
  if [ -z "$H5PUBCONF" ]; then
      echo 'BEGIN ERROR'
      echo 'ERROR in HDF5 configuration: '
      echo "H5pubconf.h not found in $HDF5_RAW_INC_DIRS"
      echo 'END ERROR'
  fi
  
  # Check whether we have to link with libsz.a
  if grep -qe '#define H5_HAVE_LIBSZ 1' $H5PUBCONF 2> /dev/null; then
      test_szlib=0
  else
      test_szlib=1
  fi
  if [ $test_szlib -eq 0 ]; then
      HDF5_LIB_DIRS="$HDF5_LIB_DIRS $LIBSZ_DIR"
      if [ $is_windows -eq 0 ]; then
          HDF5_LIBS="$HDF5_LIBS sz"
      else
          HDF5_LIBS="$HDF5_LIBS szlib"
      fi
  fi
  
  # Check whether we have to link with libz.a
  if grep -qe '#define H5_HAVE_LIBZ 1' $H5PUBCONF 2> /dev/null; then
      test_zlib=0
  else
      test_zlib=1
  fi
  if [ $test_zlib -eq 0 ]; then
      HDF5_LIB_DIRS="$HDF5_LIB_DIRS $LIBZ_DIR"
      if [ $is_windows -eq 0 ]; then
          HDF5_LIBS="$HDF5_LIBS z"
      else
          HDF5_LIBS="$HDF5_LIBS zlib"
      fi
  fi
  
  # Check whether we have to link with MPI
  if grep -qe '#define H5_HAVE_PARALLEL 1' $H5PUBCONF 2> /dev/null; then
      test_mpi=0
  else
      test_mpi=1
  fi
  if [ $test_mpi -eq 0 ]; then
      HDF5_LIB_DIRS="$HDF5_LIB_DIRS $MPI_LIB_DIRS"
      HDF5_INC_DIRS="$HDF5_INC_DIRS $MPI_INC_DIRS"
      HDF5_LIBS="$HDF5_LIBS $MPI_LIBS"
  fi
fi

# Add the math library which might not be linked by default
if [ $is_windows -eq 0 ]; then
    HDF5_LIBS="$HDF5_LIBS m"
fi


################################################################################
# Configure Cactus
################################################################################

# Pass configuration options to build script
echo "BEGIN MAKE_DEFINITION"
echo "HDF5_ENABLE_CXX     = ${HDF5_ENABLE_CXX}"
echo "HDF5_ENABLE_FORTRAN = ${HDF5_ENABLE_FORTRAN}"
echo "LIBSZ_DIR           = ${LIBSZ_DIR}"
echo "LIBZ_DIR            = ${LIBZ_DIR}"
echo "HDF5_INSTALL_DIR    = ${HDF5_INSTALL_DIR}"
echo "END MAKE_DEFINITION"

# Is this necessary? Shouldn't the ZLIB thorn already take care of this?
ZLIB_INC_DIRS="$(${CCTK_HOME}/lib/sbin/strip-incdirs.sh ${ZLIB_INC_DIRS})"
ZLIB_LIB_DIRS="$(${CCTK_HOME}/lib/sbin/strip-libdirs.sh ${ZLIB_LIB_DIRS})"

# Pass options to Cactus
echo "BEGIN MAKE_DEFINITION"
echo "HDF5_DIR            = ${HDF5_DIR}"
echo "HDF5_ENABLE_CXX     = ${HDF5_ENABLE_CXX}"
echo "HDF5_ENABLE_FORTRAN = ${HDF5_ENABLE_FORTRAN}"
echo "HDF5_INC_DIRS       = ${HDF5_INC_DIRS} ${ZLIB_INC_DIRS}"
echo "HDF5_LIB_DIRS       = ${HDF5_LIB_DIRS} ${ZLIB_LIB_DIRS}"
echo "HDF5_LIBS           = ${HDF5_LIBS} ${ZLIB_LIBS}"
echo "END MAKE_DEFINITION"

echo 'INCLUDE_DIRECTORY $(HDF5_INC_DIRS)'
echo 'LIBRARY_DIRECTORY $(HDF5_LIB_DIRS)'
echo 'LIBRARY           $(HDF5_LIBS)'