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Date: Thu, 14 Feb 2008 10:42:08 +0100
From: "Reini Urban" <rurban AT x-ray DOT at>
To: cygwin AT cygwin DOT com
Subject: Re: Perl with SerialPort
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2008/2/14, Dave Korn <dave DOT korn AT artimi DOT com>:
> On 13 February 2008 22:59, Dave Korn wrote:
>  > On 13 February 2008 22:46, Dave Korn wrote:
>  >> On 13 February 2008 21:23, curator wrote:
>
> >>> So the question is: i would like to prefer no 2. For that i have to
>  >>> install SerialPort for Perl for cygwin.
>  >>>
>  >>> Is this possible, and if yes, could you tell me how?

Win32::SerialPort is not a recommended module for any platform other
than ActivePerl for MSWin32.
It uses Win32::API.
The author had not the lightest idea how to use ExtUtils::MakeMaker.

cpan Win32::SerialPort
..
CPAN::Reporter: Makefile.PL result is 'pass', No errors.
  BBIRTH/Win32-SerialPort-0.19.tar.gz
  /usr/bin/perl.exe Makefile.PL -- NO Makefile created
Running make test
  Make had some problems, won't test
Running make install
  Make had some problems, won't install

With the simple Makefile.PL below[1] and my Win32::API patches[2] for gcc,
it works fine [3].

[1]:
use ExtUtils::MakeMaker;
WriteMakefile(
 'NAME'	=> 'Win32::SerialPort',
 'VERSION_FROM' => 'lib/Win32/SerialPort.pm', # finds $VERSION
);

[2]:
add http://rurban.xarch.at/software/cygwin to your setup path and
select perl-Win32-API
0.42-1 for perl-5.8.x and 0.42-2 for perl-5.10.0-3

[3]
/usr/bin/perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(0,
'blib/lib', 'blib/arch')" t/*.t
t/test1....defined(@array) is deprecated at t/test1.t line 445.
        (Maybe you should just omit the defined()?)
t/test1....ok
t/test2....ok
t/test3....defined(@array) is deprecated at t/test3.t line 444.
        (Maybe you should just omit the defined()?)
t/test3....FAILED test 195
        Failed 1/244 tests, 99.59% okay
t/test4....FAILED tests 100, 252
        Failed 2/516 tests, 99.61% okay
t/test5....FAILED test 166
        Failed 1/166 tests, 99.40% okay
t/test6....NOK 116/315SetCommState failed at t/test6.t line 403
t/test6....FAILED tests 74, 114, 116, 201, 233, 237
        Failed 6/315 tests, 98.10% okay
t/test7....ok
Failed Test Stat Wstat Total Fail  List of Failed
-------------------------------------------------------------------------------
t/test3.t                244    1  195
t/test4.t                516    2  100 252
t/test5.t                166    1  166
t/test6.t                315    6  74 114 116 201 233 237
Failed 4/7 test scripts. 10/1749 subtests failed.
Files=7, Tests=1749, 61 wallclock secs ( 1.73 cusr +  0.87 csys =  2.59 CPU)
Failed 4/7 test programs. 10/1749 subtests failed.
make: *** [test_dynamic] Error 255

> >>   I'm no perl expert,
>  >
>  >   Still true, but I've found one thing out since sending that:
>
>
>   Still true, but I've found another:
>
>
>  > Running make test
>  > /usr/bin/perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(0,
>  > 'blib/lib', 'blib/arch')" t/*.t
>  > t/01timing.............ok 4/7
>  > t/01timing.............NOK 7#     Failed test (t/01timing.t at line 33)
>  > # then: 207441765 now: 207443905 diff: 2140
>  > # Looks like you failed 1 test of 7.
>  > t/01timing.............dubious
>
>
>   That diff is absolutely reliably consistently 2140 for me.  I'd speculate
>  that maybe the cygwin signal emulation requires a context switch or two, to or
>  away from the signal processing thread, and so we're seeing an extra quantum
>  or two of constant overhead for systematic reasons.  So...
>
>  > looking at 01timing.t:-
>
>   Well, editing it in ~/.cpan/build/Device-SerialPort-1.04/t/, to be exact:
>
>
>  > # Allow 100ms fudge-time for slow calls, etc
>  > ok( ($now-$then) <= 2100, "measured sleep as less than 2 seconds")
>  >       or diag("then: $then now: $now diff: ".($now-$then)); # test
>
>
>   Change that to "100ms" and "<= 2200" and it goes ahead and installs.

Thanks!

-- 
Reini Urban
http://phpwiki.org/              http://murbreak.at/
http://spacemovie.mur.at/   http://helsinki.at/

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