m4/python.m4

   1 AC_DEFUN(RFX_CHECK_PYTHON,
   2 [
   3 AC_MSG_CHECKING([for Python.h and PIL])
   4
   5 if test "x$PYTHON_LIB" '!=' "x" -a "x$PYTHON_INCLUDES" '!=' "x";then
   6     PY_VERSION=unknown
   7 else
   8     if test "x$PYTHON_LIB" '!=' "x" -o "x$PYTHON_INCLUDES" '!=' "x";then
   9         echo "Set both PYTHON_LIB and PYTHON_INCLUDES, or none at all"
  10     fi
  11     # iterate through version 2.2 to 2.5
  12     for v in 2 3 4 5; do
  13         # Linux
  14         if test -f "/usr/lib/python2.$v/site-packages/PIL/_imaging.so" -a -f "/usr/include/python2.$v/Python.h";then
  15             PY_VERSION=2.$v
  16             PYTHON_LIB="-lpython$PY_VERSION /usr/lib/python$PY_VERSION/site-packages/PIL/_imaging.so"
  17             PYTHON_INCLUDES="-I/usr/include/python$PY_VERSION"
  18         # Mac OS X
  19         elif test -f "/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/Python.h";then
  20             #TODO: test for /System/Library/Frameworks/Python.framework/Versions/2.3/Python ?
  21             PY_VERSION=2.$v
  22             PYTHON_LIB="-framework Python"
  23             if test -f "/Library/Python/2.$v/PIL/_imaging.so";then
  24                 PYTHON_LIB2="$PYTHON_LIB /Library/Python/2.$v/PIL/_imaging.so"
  25             else
  26                 PYTHON_LIB2="$PYTHON_LIB"
  27             fi
  28             PYTHON_INCLUDES="-I/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/"
  29         # Mac OS X [Fink]:
  30         elif test "(" -f "/sw/lib/python2.$v/config/libpython2.$v.dylib" \
  31                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.a" \
  32                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.so" \
  33                   ")" \
  34                -a -f "/sw/include/python2.$v/Python.h" \
  35                -a -f "/sw/lib/python2.$v/site-packages/PIL/_imaging.so";then
  36             PY_VERSION=2.$v
  37             PYTHON_LIB="-L /sw/lib/python2.$v/config/ -lpython$PY_VERSION /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  38             PYTHON_INCLUDES="-I /sw/include/python2.$v/"
  39         fi
  40     done
  41 fi
  42
  43 if test "x$PY_VERSION" "!=" "x"; then
  44     AC_MSG_RESULT($PY_VERSION)
  45     export PYTHON_INCLUDES PYTHON_LIB
  46     AC_SUBST(PYTHON_LIB)
  47     AC_SUBST(PYTHON_INCLUDES)
  48     AC_MSG_CHECKING([whether we can compile the python test program])
  49
  50     cat > conftest.c << EOF
  51 #include <Python.h>
  52 #include <Imaging.h>
  53
  54 int main()
  55 {
  56     int ret;
  57     ret = Py_Main(0, 0);
  58     int x; // check also for gcc 2.95.x incompatibilities
  59     return ret;
  60 }
  61 EOF
  62     ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS $PYTHON_LIB $LIBS -o conftest${ac_exeext}'
  63     if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  64         AC_MSG_RESULT(yes)
  65         PYTHON_OK=yes
  66     else
  67         ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS ${PYTHON_LIB2} $LIBS -o conftest${ac_exeext}'
  68         if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  69             AC_MSG_RESULT(yes)
  70             PYTHON_LIB="${PYTHON_LIB2}"
  71             PYTHON_OK=yes
  72         else
  73             echo "configure: failed program was:" >&5
  74             cat conftest.c >&5
  75             AC_MSG_RESULT(no)
  76         fi
  77     fi
  78     rm -f conftest*
  79 else
  80     AC_MSG_RESULT(nope)
  81 fi
  82 ])