Re: [gembud] Some help installing GemPak

• To: Steve <beforewisdom@xxxxxxxxx>
• Subject: Re: [gembud] Some help installing GemPak
• From: Michael James <mjames@xxxxxxxx>
• Date: Mon, 8 Aug 2016 11:02:55 -0500

On Sun, Aug 7, 2016 at 9:33 PM, Steve <beforewisdom@xxxxxxxxx> wrote:
>
> /usr/bin/ld: cannot find -lpython2.7
> collect2: error: ld returned 1 exit status
> make[5]: *** [sfctime] Error 1
>
> I made some adjustments such that when I echo my $LD_LIBRARY_PATH I get
> this output from the terminal:
>
> Mint17QianaCinnamonBIOSF10$ echo $LD_LIBRARY_PATH
> /lib64:/usr/lib64:/home/gempak/GEMPAK7/os/linux64/lib:
> /usr/lib/python2.7/config-x86_64-linux-gnu
> Mint17QianaCinnamonBIOSF10$
>
> When I try compiling I keep getting many of the same error message
> regardless.
>
> Does anyone have any ideas of what I might need to do to make that error
> message go away?
>


Determine where the file libpython2.7.so is located ("find / -name
libpython2.7.so") and ensure that the path is in $LD_LIBRARY_PATH.  You'll
need some other environmental variables set for the build as well, from the
last section in Gemenviron.profile (or Gemenviron):

this should get you there, or close:

export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/lib64:/usr/lib64:${OS_LIB}
export PYINC="-I/usr/include/python2.7"
export PYLIB="-L/usr/lib64 -lpython2.7"
export WITHPY="-DWITHPYTHON"
export PYDEP="-lpthread -ldl -lutil"
export
PYTHONPATH="/usr/lib64/python2.7/site-packages:/usr/lib/python2.7/site-packages:${NAWIPS}/scripts/python"


You have the option to not build against Python at all, simply remove the
last block from Gemenviron.profile (below) and source the file again (.
Gemenviron.profile) and run make.


##
## PYTHON for GEMPAK
##
COMMAND=`rpm -q awips2-python`
if [ $? -eq 0 ]; then
    # use AWIPS Python
    export PYHOME="/awips2/python"
    pv="`${PYHOME}/bin/python -V 2>&1 | cut -c8- | cut -d. -f1`"
    pr="`${PYHOME}/bin/python -V 2>&1 | cut -c8- | cut -d. -f2`"
    export
PYTHONPATH="${PYHOME}/lib/python${pv}.${pr}/site-packages:${NAWIPS}/scripts/python"
else
    # use system Python
    export PYHOME="/usr"
    pv="`${PYHOME}/bin/python -V 2>&1 | cut -c8- | cut -d. -f1`"
    pr="`${PYHOME}/bin/python -V 2>&1 | cut -c8- | cut -d. -f2`"
    if [[ ${pv}${pr} -lt 27 ]] ; then
      echo "python${pv}.${pr} is not supported for GEMPAK. Install
python2.7+"
      return
    fi
    export
PYTHONPATH="${PYHOME}/lib64/python${pv}.${pr}/site-packages:${PYHOME}/lib/python${pv}.${pr}/site-packages:${NAWIPS}/scripts/python"
    MACHTEST=${MACHTYPE:=`uname -m`}
    IS64=`echo $MACHTEST | grep -c "_64"`
    if [ ${IS64} -gt 0 ] ; then
      ARCH="64"
    fi
fi
# this is needed for the build, and not required at runtime
export
LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/lib${ARCH}:/usr/lib${ARCH}:${OS_LIB}
export PYINC="-I${PYHOME}/include/python${pv}.${pr}"
export PYLIB="-L${PYHOME}/lib${ARCH} -lpython${pv}.${pr}"
export WITHPY="-DWITHPYTHON"
export PYDEP="-lpthread -ldl -lutil"

• References:
  • [gembud] Some help installing GemPak
    • From: Steve