Commit 092d71c3 authored by Mark Olesen's avatar Mark Olesen
Browse files

COMP: improve support for non-system python locations (issue #17)

parent 4a6ab377
......@@ -27,6 +27,18 @@
# Description
# ParaView make/install helper functions
#
# Note
# Obtainining paths via 'python-config' is possible, but may not always
# resolve properly:
#
# python-config --includes
# >>
# -I/usr/include/python2.7 -I/usr/include/python2.7
#
# python-config --libs
# >>
# -lpython2.7 -lpthread -ldl -lutil -lm
#
#------------------------------------------------------------------------------
# Variables referenced by the functions. Initialization at the end of the file.
......@@ -159,68 +171,91 @@ addMpiSupport()
#
addPythonSupport()
{
if [ "${withPYTHON:=false}" != true ]
if [ "${withPYTHON:-false}" != true ]
then
return
fi
if pythonBin=$(which python 2>/dev/null)
local pythonBin pythonConfig pythonMajor
pythonBin=$(which python 2>/dev/null) || {
echo "*** Error: python not found"
echo "*** Deactivate python support by not using the -python "
echo "*** option"
exit 1
}
if [ -n "$PYTHON_LIBRARY" ]
then
if [ -n "$PYTHON_LIBRARY" ]
then
# Check $PYTHON_LIBRARY if it has been set
if [ ! -e "$PYTHON_LIBRARY" ]
then
echo "*** Error: libpython not found at location specified " \
"by -pythnon-lib input: PYTHON_LIBRARY=$PYTHON_LIBRARY"
fi
else
# Try to get $PYTHON_LIBRARY from dynamically linked binary
PYTHON_LIBRARY=$(ldd $pythonBin | \
sed -ne '/libpython/s/.* => \(.*\) (.*/\1/p')
[ -e "$PYTHON_LIBRARY" ] || {
echo "*** Error: Unable to determine path to python library."
}
fi
# PYTHON_LIBRARY set:
[ -e "$PYTHON_LIBRARY" ] || \
echo "*** Error: libpython not found at location specified " \
"by -python-lib : PYTHON_LIBRARY=$PYTHON_LIBRARY"
else
# Fallback: get PYTHON_LIBRARY from dynamically linked binary
PYTHON_LIBRARY=$(ldd $pythonBin | \
sed -ne '/libpython/s/^.* => \(.*\) (.*/\1/p')
[ -e "$PYTHON_LIBRARY" ] || {
echo " Please set the full path to the python library "
echo " (including libpython) using the -python-lib option, "
echo " or deactivate python support by not using the -python "
echo " option"
exit 1
echo "*** Error: Unable to determine path to python library."
}
pythonMajor=$(echo $PYTHON_LIBRARY | sed 's/.*libpython\(.*\)\.so.*/\1/')
pythonInclude=/usr/include/python$pythonMajor
fi
# Note - we could also allow for a PYTHON_INCLUDE variable ...
[ -d "$pythonInclude" -a -f "$pythonInclude/Python.h" ] || {
echo " No python headers found in $pythonInclude/"
echo " Please install python headers or deactivate "
echo " python support by not using the -python option"
exit 1
}
[ -e "$PYTHON_LIBRARY" ] || {
echo " Please set the full path to the python library "
echo " (including libpython) using the -python-lib option, "
echo " or deactivate python support by not using the -python "
echo " option"
exit 1
}
# Guess major from library
pythonMajor=$(echo $PYTHON_LIBRARY | sed 's/.*libpython\(.*\)\.so.*/\1/')
if [ -n "$PYTHON_INCLUDE" ]
then
addCMakeVariable "PARAVIEW_ENABLE_PYTHON=ON"
addCMakeVariable "PYTHON_INCLUDE_DIRS=$pythonInclude"
addCMakeVariable "PYTHON_LIBRARY=$PYTHON_LIBRARY"
# PYTHON_INCLUDE set:
[ -d "$PYTHON_INCLUDE" -a -f "$PYTHON_INCLUDE/Python.h" ] || \
echo "*** Error: Python.h not found at location specified " \
"by -python-include : PYTHON_INCLUDE=$PYTHON_INCLUDE"
echo "----"
echo "Python information:"
echo " executable : $pythonBin"
echo " version : $pythonMajor"
echo " include path : $pythonInclude"
echo " library : $PYTHON_LIBRARY"
elif pythonConfig=$(which python-config 2>/dev/null)
then
# Guess from python-config
# parse '-I/usr/include/python2.7 -I/usr/include/python2.7'
# -> '/usr/include/python2.7'
PYTHON_INCLUDE=$(python-config --includes | sed -ne 's/^-I\([^ ][^ ]*\).*$/\1/p')
unset pythonBin pythonInclude pythonMajor
else
echo "*** Error: python not found"
echo "*** Deactivate python support by not using the -python "
echo "*** option"
exit 1
# Fallback to system headers
PYTHON_INCLUDE=/usr/include/python$pythonMajor
fi
[ -d "$PYTHON_INCLUDE" -a -f "$PYTHON_INCLUDE/Python.h" ] || {
echo " No python headers found in $PYTHON_INCLUDE/"
echo " Please install python headers or deactivate "
echo " python support by not using the -python option"
exit 1
}
addCMakeVariable "PARAVIEW_ENABLE_PYTHON=ON"
addCMakeVariable "PYTHON_INCLUDE_DIRS=$PYTHON_INCLUDE"
addCMakeVariable "PYTHON_LIBRARY=$PYTHON_LIBRARY"
echo "----"
echo "Python information:"
echo " executable : $pythonBin"
echo " version : $pythonMajor"
echo " include path : $PYTHON_INCLUDE"
echo " library : $PYTHON_LIBRARY"
}
......
......@@ -78,6 +78,8 @@ options:
-mpi with mpi
-mpi=N with max 'N' mpi processes. N=0 for no upper-limit.
-python with python
-python-include DIR
location of python headers (current: ${PYTHON_INCLUDE:-none})
-python-lib PATH path to python library (current: ${PYTHON_LIBRARY:-none})
-cmake PATH with cmake from the path given
-qmake PATH with the Qt version corresponding to the qmake path given
......@@ -233,6 +235,12 @@ do
-no-python)
withPYTHON=false
;;
-python-include)
[ "$#" -ge 2 ] || die "'$1' option requires an argument"
withPYTHON=true
PYTHON_INCLUDE="${2%%/}"
shift
;;
-python-lib)
[ "$#" -ge 2 ] || die "'$1' option requires an argument"
withPYTHON=true
......
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