Add build rule for python3 (bug #58689). * src/build-python3.mk: Add build rule for python3 version 3.8.3. * dist-files.mk: Add new file to list. * index.html: Add new package to list. * src/build-setuptools.mk: Update to version 44.1.1 (last version compatible with python2). Use python2. Set installation prefix. * src/build-mako.mk: Use python2. Set installation prefix. * src/build-markupsafe.mk: Use python2. Set installation prefix. * src/mesa.mk: Windows rule depends on scons. Use python2. * src/nsis.mk: Depend on scons. Use python2.

/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <stdio.h>
#include <libical/ical.h>

int main(int argc, char *argv[])
{
    icalvalue *v;
    char *str;
    (void)argc;
    (void)argv;

    v = icalvalue_new_caladdress("cap://value/1");
    str = icalvalue_as_ical_string_r(v);
    printf("String: %s\n", str);

    return 0;
}