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 2.6
  12     for v in 2 3 4 5 6; 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 "/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/Python.h";then
  26             PY_VERSION=2.$v
  27             PYTHON_LIB="-framework Python"
  28             if test -f "/Library/Frameworks/Python.framework/Versions/2.$v/site-packages/PIL/_imaging.so";then
  29                 PYTHON_LIB2="$PYTHON_LIB /Library/Python/2.$v/PIL/_imaging.so"
  30                 HAVE_PYTHON_IMAGING_LIB=1
  31             else
  32                 PYTHON_LIB2="$PYTHON_LIB"
  33             fi
  34             PYTHON_INCLUDES="-I/Library/Frameworks/Python.framework/Versions/2.$v/include/python2.$v/"
  35         # Mac OS X [Fink]:
  36         elif test "(" -f "/sw/lib/python2.$v/config/libpython2.$v.dylib" \
  37                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.a" \
  38                    -o -f "/sw/lib/python2.$v/config/libpython2.$v.so" \
  39                   ")" \
  40                -a -f "/sw/include/python2.$v/Python.h"; then
  41             PY_VERSION=2.$v
  42             PYTHON_LIB="-L /sw/lib/python2.$v/config/ -lpython$PY_VERSION /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  43             if test -f "/sw/lib/python2.$v/site-packages/PIL/_imaging.so";then
  44                 PYTHON_LIB2="$PYTHON_LIB /sw/lib/python2.$v/site-packages/PIL/_imaging.so"
  45                 HAVE_PYTHON_IMAGING_LIB=1
  46             else
  47                 PYTHON_LIB2="$PYTHON_LIB"
  48             fi
  49             PYTHON_INCLUDES="-I /sw/include/python2.$v/"
  50         fi
  51     done
  52 fi
  53
  54 if test "x$PY_VERSION" "!=" "x"; then
  55     AC_MSG_RESULT([$PY_VERSION])
  56     export PYTHON_INCLUDES PYTHON_LIB
  57     AC_SUBST(PYTHON_LIB)
  58     AC_SUBST(PYTHON_INCLUDES)
  59     AC_MSG_CHECKING([whether we can compile the python test program])
  60
  61     cat > conftest.c << EOF
  62 #include <Python.h>
  63
  64 int main()
  65 {
  66     int ret;
  67     ret = Py_Main(0, 0);
  68     int x; // check also for gcc 2.95.x incompatibilities
  69     return ret;
  70 }
  71 EOF
  72
  73     ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS $PYTHON_LIB $LIBS -o conftest${ac_exeext}'
  74     if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  75         AC_MSG_RESULT(yes)
  76         PYTHON_OK=yes
  77     else
  78         echo "configure: failed program was:" >&5
  79         cat conftest.c >&5
  80         AC_MSG_RESULT(no)
  81     fi
  82     rm -f conftest*
  83     if test "x$PYTHON_OK" = "xyes";then
  84         AC_MSG_CHECKING([for Python-Imaging])
  85     cat > conftest.c << EOF
  86 #include <Python.h>
  87 #include <Imaging.h>
  88
  89 int main()
  90 {
  91     Py_Main(0, 0);
  92     return 0;
  93 }
  94 EOF
  95         if test "$HAVE_PYTHON_IMAGING_LIB"; then
  96             ac_link='$CC $CPPFLAGS $CFLAGS $PYTHON_INCLUDES conftest.c $LDFLAGS ${PYTHON_LIB2} $LIBS -o conftest${ac_exeext}'
  97             if { (eval echo python.m4: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  98                 PYTHON_LIB="${PYTHON_LIB2}"
  99                 AC_DEFINE([HAVE_PYTHON_IMAGING], [1], [whether python-imaging was found])
 100                 HAVE_PYTHON_IMAGING=yes
 101                 export HAVE_PYTHON_IMAGING
 102                 AC_SUBST(HAVE_PYTHON_IMAGING)
 103                 AC_MSG_RESULT(yes)
 104             else
 105                 echo "configure: failed program was:" >&5
 106                 cat conftest.c >&5
 107                 AC_MSG_RESULT(no)
 108             fi
 109         else
 110             echo "(didn't find the Python-Imaging libraries)" >&5
 111             AC_MSG_RESULT(no)
 112         fi
 113     fi
 114     rm -f conftest*
 115 else
 116     AC_MSG_RESULT([nope])
 117 fi
 118 ])