m4/python.m4

   1 AC_DEFUN([RFX_CHECK_PYTHON],
   2 [
   3 AC_MSG_CHECKING([for Python.h])
   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/include/python2.$v/Python.h";then
  15             PY_VERSION=2.$v
  16             PYTHON_LIB="-lpython$PY_VERSION"
  17             if test -f "/usr/lib/python2.$v/site-packages/PIL/_imaging.so";then
  18                 PYTHON_LIB2="$PYTHON_LIB /usr/lib/python2.$v/site-packages/PIL/_imaging.so"
  19                 HAVE_PYTHON_IMAGING_LIB=1
  20             else
  21                 PYTHON_LIB2="$PYTHON_LIB"
  22             fi
  23             PYTHON_INCLUDES="-I/usr/include/python$PY_VERSION"
  24         # Mac OS X
  25         elif test -f "/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/Python.h";then
  26             #TODO: test for /System/Library/Frameworks/Python.framework/Versions/2.3/Python ?
  27             PY_VERSION=2.$v
  28             PYTHON_LIB="-framework Python"
  29             if test -f "/Library/Python/2.$v/PIL/_imaging.so";then
  30                 PYTHON_LIB2="$PYTHON_LIB /Library/Python/2.$v/PIL/_imaging.so"
  31                 HAVE_PYTHON_IMAGING_LIB=1
  32             else
  33                 PYTHON_LIB2="$PYTHON_LIB"
  34             fi
  35             PYTHON_INCLUDES="-I/System/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/"
  36         # Mac OS X [Fink]:
  37         elif test "(" -f "/sw/lib/python2.$v/config/libpython2.$v.dylib" \
  38                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.a" \
  39                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.so" \
  40                   ")" \
  41                -a -f "/sw/include/python2.$v/Python.h"; then
  42             PY_VERSION=2.$v
  43             PYTHON_LIB="-L /sw/lib/python2.$v/config/ -lpython$PY_VERSION /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  44             if test -f "/sw/lib/python2.$v/site-packages/PIL/_imaging.so";then
  45                 PYTHON_LIB2="$PYTHON_LIB /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  46                 HAVE_PYTHON_IMAGING_LIB=1
  47             else
  48                 PYTHON_LIB2="$PYTHON_LIB"
  49             fi
  50             PYTHON_INCLUDES="-I /sw/include/python2.$v/"
  51         fi
  52     done
  53 fi
  54
  55 if test "x$PY_VERSION" "!=" "x"; then
  56     AC_MSG_RESULT([$PY_VERSION])
  57     export PYTHON_INCLUDES PYTHON_LIB
  58     AC_SUBST(PYTHON_LIB)
  59     AC_SUBST(PYTHON_INCLUDES)
  60     AC_MSG_CHECKING([whether we can compile the python test program])
  61
  62     cat > conftest.c << EOF
  63 #include <Python.h>
  64
  65 int main()
  66 {
  67     int ret;
  68     ret = Py_Main(0, 0);
  69     int x; // check also for gcc 2.95.x incompatibilities
  70     return ret;
  71 }
  72 EOF
  73
  74     ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS $PYTHON_LIB $LIBS -o conftest${ac_exeext}'
  75     if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  76         AC_MSG_RESULT(yes)
  77         PYTHON_OK=yes
  78     else
  79         echo "configure: failed program was:" >&5
  80         cat conftest.c >&5
  81         AC_MSG_RESULT(no)
  82     fi
  83     rm -f conftest*
  84     if test "x$PYTHON_OK" = "xyes";then
  85         AC_MSG_CHECKING([for Python-Imaging])
  86     cat > conftest.c << EOF
  87 #include <Python.h>
  88 #include <Imaging.h>
  89
  90 int main()
  91 {
  92     Py_Main(0, 0);
  93     return 0;
  94 }
  95 EOF
  96         if test "$HAVE_PYTHON_IMAGING_LIB"; then
  97             ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS ${PYTHON_LIB2} $LIBS -o conftest${ac_exeext}'
  98             if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  99                 PYTHON_LIB="${PYTHON_LIB2}"
 100                 AC_DEFINE([HAVE_PYTHON_IMAGING], [1], [whether python-imaging was found])
 101                 HAVE_PYTHON_IMAGING=yes
 102                 export HAVE_PYTHON_IMAGING
 103                 AC_SUBST(HAVE_PYTHON_IMAGING)
 104                 AC_MSG_RESULT(yes)
 105             else
 106                 echo "configure: failed program was:" >&5
 107                 cat conftest.c >&5
 108                 AC_MSG_RESULT(no)
 109             fi
 110         else
 111             echo "(didn't find the Python-Imaging libraries)" >&5
 112             AC_MSG_RESULT(no)
 113         fi
 114     fi
 115     rm -f conftest*
 116 else
 117     AC_MSG_RESULT([nope])
 118 fi
 119 ])