Re: [rt.cpan.org #80217] Build failure under Cygwin on Windows

On Wed, Oct 17, 2012 at 6:06 PM, Daniel Dragan via RT
<[email protected]> wrote:
> Wed Oct 17 19:06:51 2012: Request 80217 was acted upon.
> Transaction: Correspondence added by BULKDD
>        Queue: Win32-API
>      Subject: Build failure under Cygwin on Windows
>    Broken in: 0.72
>     Severity: Critical
>        Owner: Nobody
>   Requestors: [email protected]
>       Status: open
>  Ticket <URL: https://rt.cpan.org/Ticket/Display.html?id=80217 >
>
>
> On Wed Oct 17 16:47:25 2012, JDHEDDEN wrote:
>> On 2012-10-17 16:27:50, BULKDD wrote:
>> > The correct fix is talking to whoever maintains cygwin.asm and fixing
>> > the bug in cygwin.asm and waiting for a new cygwin release.
>>
>> Well, not really.  You'll need to support older Cygwin versions.  (I'm
>> still on Cygwin 1.5 at home, for example).  Therefore, the hack needs to
>> be "permanent", or conditionally compiled based on Cygwin
>> version/release.
>
> 2 major problems were causing the test failures.
>
> 1 was alloca bug, fixed with a
>
> #ifdef __CYGWIN__
> #  define _alloca(size) __builtin_alloca(size)
> #endif
>
> 2nd was verbose logging mode caused printf args/string litteral pointers
> to wind up as args to the C funcs in the test DLL, (#define
> WIN32_API_DEBUG). IsBadReadPtr by the test dll caused some things to be
> failures rather than segvs.
>
> Now I have to mop up "J" is not a pointer bugs in the test scripts.
>
> I will update this ticket when I have a working 32 bit with 64 bit IVs
> Cygwin Perl Win32::API for you to try.

Yes, much better
With the better alloca and DEBUG disabled I got

t/00_API.t        (Wstat: 256 Tests: 48 Failed: 1)
  Failed test:  46
  Non-zero exit status: 1
t/01_Struct.t     (Wstat: 0 Tests: 7 Failed: 0)
  Parse errors: Bad plan.  You planned 18 tests but ran 7.
t/03_undef.t      (Wstat: 256 Tests: 3 Failed: 1)
  Failed test:  2
  Non-zero exit status: 1
t/v69.t           (Wstat: 65280 Tests: 29 Failed: 0)
  Non-zero exit status: 255
  Parse errors: Bad plan.  You planned 36 tests but ran 29.
t/v71.t           (Wstat: 65280 Tests: 5 Failed: 0)
  Non-zero exit status: 255
  Parse errors: Bad plan.  You planned 23 tests but ran 5.
Files=13, Tests=159,  9 wallclock secs ( 0.03 usr  0.11 sys +  3.70
cusr  5.51 csys =  9.35 CPU)
Result: FAIL
Failed 5/13 test programs. 2/159 subtests failed.
-- 
Reini Urban
http://cpanel.net/   http://www.perl-compiler.org/