m4/python.m4

   1 # PYTHON_DEVEL()
   2 #
   3 # Checks for Python and tries to get the include path to 'Python.h', and
   4 # the libpython library.
   5 # It provides the $(PYTHON_CFLAGS) $(PYTHON_LIBS) output variables.
   6 AC_DEFUN([PYTHON_DEVEL],
   7 [
   8   AC_REQUIRE([AM_PATH_PYTHON])
   9
  10   python_prefix=${PYTHON%/bin*}
  11
  12   # Check for Python include path
  13   AC_MSG_CHECKING([for python include path])
  14   for i in "$python_prefix/include/python$PYTHON_VERSION/" \
  15            "$python_prefix/include/python/" "$python_prefix/"
  16   do
  17     python_path=`find $i -type f -name Python.h -print 2> /dev/null`
  18     test "$python_path" && break
  19   done
  20   for i in $python_path
  21   do
  22     python_path=${python_path%/Python.h}
  23     break
  24   done
  25   if test "$python_path"
  26   then
  27     AC_MSG_RESULT([$python_path])
  28   else
  29     AC_MSG_ERROR([cannot find python include path])
  30   fi
  31   AC_SUBST([PYTHON_CFLAGS], [-I$python_path])
  32
  33   # Check for a Python library
  34   AC_MSG_CHECKING([for python library])
  35   PYLIB=""
  36   for i in "$python_prefix/lib" \
  37            "$python_prefix/lib/python$PYTHON_VERSION/config" \
  38            "$python_prefix/lib/python$PYTHON_VERSION/lib" \
  39            "$python_prefix/lib/python/lib"
  40   do
  41     if test -r "$i/libpython$PYTHON_VERSION.so"; then
  42       PYLIB="$i/libpython$PYTHON_VERSION.so"
  43       PYTHON_LIBS="-L$i -lpython$PYTHON_VERSION"
  44       break
  45     else
  46       if test -r "$i/libpython$PYTHON_VERSION.a"; then
  47         PYLIB="$i/libpython$PYTHON_VERSION.a"
  48         PYTHON_LIBS="-L$i -lpython$PYTHON_VERSION -lpthread -ldl -lutil -lm"
  49         break
  50       else
  51         # look for really old versions
  52         if test -r "$i/libPython.a"; then
  53           PYLIB="$i/libPython.a"
  54           PYTHON_LIBS="-L$i -lModules -lPython -lObjects -lParser"
  55           break
  56         fi
  57       fi
  58     fi
  59   done
  60   if test "$PYLIB"
  61   then
  62     AC_MSG_RESULT([$PYLIB])
  63   else
  64     AC_MSG_ERROR([cannot find python library])
  65   fi
  66   AC_SUBST([PYTHON_LIBS])
  67 ])