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#----------------------------------------------------------------
# Look for Python
#----------------------------------------------------------------
AC_DEFUN(SW_FIND_PYTHON,
[
PYINCLUDE=
PYLIB=
PYPACKAGE=
PYTHONBUILD=
# I don't think any of this commented stuff works anymore
#PYLINK="-lModules -lPython -lObjects -lParser"
#AC_ARG_WITH(py,[ --with-py=path Set location of Python],[
# PYPACKAGE="$withval"], [PYPACKAGE=])
#AC_ARG_WITH(pyincl,[ --with-pyincl=path Set location of Python include directory],[
# PYINCLUDE="$withval"], [PYINCLUDE=])
#AC_ARG_WITH(pylib,[ --with-pylib=path Set location of Python library directory],[
# PYLIB="$withval"], [PYLIB=])
#if test -z "$PYINCLUDE"; then
# if test -n "$PYPACKAGE"; then
# PYINCLUDE="$PYPACKAGE/include"
# fi
#fi
#if test -z "$PYLIB"; then
# if test -n "$PYPACKAGE"; then
# PYLIB="$PYPACKAGE/lib"
# fi
#fi
AC_ARG_WITH(python,[ --with-python=path Set location of Python executable],[ PYBIN="$withval"], [PYBIN=])
# First figure out the name of the Python executable
if test -z "$PYBIN"; then
AC_PATH_PROGS(PYTHON, $prefix/bin/python python python2.4 python2.3 python2.2 python2.1 python2.0 python1.6 python1.5 python1.4 python)
else
PYTHON="$PYBIN"
fi
if test -n "$PYTHON"; then
AC_MSG_CHECKING(for Python prefix)
PYPREFIX=`($PYTHON -c "import sys; print sys.prefix") 2>/dev/null`
AC_MSG_RESULT($PYPREFIX)
AC_MSG_CHECKING(for Python exec-prefix)
PYEPREFIX=`($PYTHON -c "import sys; print sys.exec_prefix") 2>/dev/null`
AC_MSG_RESULT($PYEPREFIX)
# Note: I could not think of a standard way to get the version string from different versions.
# This trick pulls it out of the file location for a standard library file.
AC_MSG_CHECKING(for Python version)
# Need to do this hack since autoconf replaces __file__ with the name of the configure file
filehack="file__"
PYVERSION=`($PYTHON -c "import string,operator; print operator.getitem(string.split(string.__$filehack,'/'),-2)")`
AC_MSG_RESULT($PYVERSION)
# Set the include directory
AC_MSG_CHECKING(for Python header files)
if test -r $PYPREFIX/include/$PYVERSION/Python.h; then
PYINCLUDE="-I$PYPREFIX/include/$PYVERSION -I$PYEPREFIX/lib/$PYVERSION/config"
fi
if test -z "$PYINCLUDE"; then
if test -r $PYPREFIX/include/Py/Python.h; then
PYINCLUDE="-I$PYPREFIX/include/Py -I$PYEPREFIX/lib/python/lib"
fi
fi
AC_MSG_RESULT($PYINCLUDE)
# Set the library directory blindly. This probably won't work with older versions
AC_MSG_CHECKING(for Python library)
dirs="$PYVERSION/config $PYVERSION/lib python/lib"
for i in $dirs; do
if test -d $PYEPREFIX/lib/$i; then
PYLIB="$PYEPREFIX/lib/$i"
PYTHONBUILD=python_make
break
fi
done
if test -z "$PYLIB"; then
AC_MSG_RESULT(Not found)
else
AC_MSG_RESULT($PYLIB)
fi
# Check for really old versions
if test -r $PYLIB/libPython.a; then
PYLINK="-lModules -lPython -lObjects -lParser"
else
PYLINK="-l$PYVERSION"
fi
fi
# Only cygwin (Windows) needs the library for dynamic linking
case $ac_sys_system/$ac_sys_release in
CYGWIN*) PYTHONDYNAMICLINKING="-L$PYLIB $PYLINK"
PYINCLUDE="-DUSE_DL_IMPORT $PYINCLUDE"
;;
*)PYTHONDYNAMICLINKING="";;
esac
AC_SUBST(PYINCLUDE)
AC_SUBST(PYLIB)
AC_SUBST(PYLINK)
AC_SUBST(PYTHONBUILD)
AC_SUBST(PYTHONDYNAMICLINKING)
])
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