ExtUtils-Depends 0.300 on Cygwin

["Yaakov (Cygwin Ports)" <yselkowitz users sourceforge net>]

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I tried today's release of EU-D 0.300, with the added support for
inter-module deps on Cygwin.  Unfortunately it doesn't quite work yet
for perl-5.10.

While Cygwin's perl-5.8 used perlld for linking, which is a script that
would create an import library (libFoo.dll.a) when calling the linker,
perl-5.10 behaves exactly as on *NIX and calls gcc directly.  This means
that import libraries are no longer generated.  But since one can link
directly against the DLL, the fix would be to change:

cygwin  => sub { 'lib' . $_[0] . '.dll.a'},

to the following:

cygwin  => sub { $_[0] . '.dll'},

But when that is done, I get the following:

Unrecognized argument in LIBS ignored:
'/usr/lib/perl5/vendor_perl/5.10/i686-cygwin/auto/Glib/Glib.dll'
Unrecognized argument in LIBS ignored:
'/usr/lib/perl5/vendor_perl/5.10/i686-cygwin/auto/Gtk2/Gtk2.dll'
Unrecognized argument in LIBS ignored:
'/usr/lib/perl5/vendor_perl/5.10/i686-cygwin/auto/Cairo/Cairo.dll'

This comes from ExtUtils::Liblist::Kid, which doesn't seem to like a
full pathname to the DLL in LIBS.  I don't follow the code there, so I'm
not sure if this would this happen on Linux as well, or not.

~From there, perhaps we can figure out if EU::Liblist::Kid needs to be
patched, or if EU::D can work around this.


Yaakov
Cygwin Ports
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