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 2.4
  12     for v in 2 3 4; 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 "/Library/Python/2.$v/PIL/_imaging.so" \
  20                -a -f "/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/Python.h";then
  21             PY_VERSION=2.$v
  22             PYTHON_LIB="-framework Python /Library/Python/2.$v/PIL/_imaging.so"
  23             PYTHON_INCLUDES="-I/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/"
  24         # Mac OS X [Fink]:
  25         elif test "(" -f "/sw/lib/python2.$v/config/libpython2.$v.dylib" \
  26                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.a" \
  27                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.so" \
  28                   ")" \
  29                -a -f "/sw/include/python2.$v/Python.h" \
  30                -a -f "/sw/lib/python2.$v/site-packages/PIL/_imaging.so";then
  31             PY_VERSION=2.$v
  32             PYTHON_LIB="-L /sw/lib/python2.$v/config/ -lpython$PY_VERSION /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  33             PYTHON_INCLUDES="-I /sw/include/python2.$v/"
  34         fi
  35     done
  36 fi
  37
  38 if test "x$PY_VERSION" "!=" "x"; then
  39     AC_MSG_RESULT($PY_VERSION)
  40     export PYTHON_INCLUDES PYTHON_LIB
  41     AC_SUBST(PYTHON_LIB)
  42     AC_SUBST(PYTHON_INCLUDES)
  43     AC_MSG_CHECKING([whether we can compile the python test program])
  44
  45     cat > conftest.c << EOF
  46 #include <Python.h>
  47 #include <Imaging.h>
  48
  49 int main()
  50 {
  51     int ret;
  52     ret = Py_Main(0, 0);
  53     int x; // check also for gcc 2.95.x incompatibilities
  54     return ret;
  55 }
  56 EOF
  57     ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS $PYTHON_LIB $LIBS -o conftest${ac_exeext}'
  58     if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  59         AC_MSG_RESULT(yes)
  60         PYTHON_OK=yes
  61     else
  62         echo "configure: failed program was:" >&5
  63         cat conftest.c >&5
  64         AC_MSG_RESULT(no)
  65     fi
  66     rm -f conftest*
  67 else
  68     AC_MSG_RESULT(nope)
  69 fi
  70 ])