1########################################################################
2#
3# Copyright (c) 2010, Secure Endpoints Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9#
10# - Redistributions of source code must retain the above copyright
11#   notice, this list of conditions and the following disclaimer.
12#
13# - Redistributions in binary form must reproduce the above copyright
14#   notice, this list of conditions and the following disclaimer in
15#   the documentation and/or other materials provided with the
16#   distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29# POSSIBILITY OF SUCH DAMAGE.
30#
31
32# Try to detect the version of Visual C++ in use by parsing the output
33# of cl.exe.
34
35$cl_cmd = shift;
36
37die "C compiler command should be specified" if ($cl_cmd eq '');
38
39open(CL, '-|', $cl_cmd." 2>&1") or die "Can't run C compiler command [$cl_cmd]";
40
41$verline = <CL>;
42
43if ($verline =~ /(\d+).(\d+).(\d+).(\d+)/) {
44    print "Found Version: $1.$2.$3.$4\n";
45    exit $1 + 0;
46} else {
47    print "Mismatch";
48    exit 1;
49}
50