Mail Archives: cygwin/2009/05/27/13:02:09
$cygcheck -c libGL1 libGL-devel
Cygwin Package Information
Package Version Status
libGL-devel 7.2-2 OK
libGL1 7.2-2 OK
I'll try to make a small lib that cause the error... but I think that
anything that do opengl shall fail
thanks
JLM
On Wed, May 27, 2009 at 1:12 PM, Dave Korn
<dave DOT korn DOT cygwin AT googlemail DOT com> wrote:
> jean-luc malet wrote:
>> On Tue, May 26, 2009 at 6:00 PM, Dave Korn
>>> jean-luc malet wrote:
>
>>>> this dll use 2 others dll : -lglut -lGL
>>>> $pkg-config.exe --libs gl
>>>> -lGL
>>>> but /bin/ contain cygGL-1.dll
>>>> when static linking with -lGL this works fine because libGL.a exist
>>>> when creating the dll -lGL don't work at all, I have to specify -lGL-1
>>>> doing
>>>> /bin/$ ln -s cygGL-1.dll cygGL.dll
>>>> solve the issue
>
>>> =C2=A0Normally for every /bin/cygDLLNAME-VERSION.dll, there should be a
>>> /usr/lib/libDLLNAME.dll.a that contains import stubs, allowing you to l=
ink
>>> against whatever DLL is current without needing to specify the version =
number
>>> as you have done.
>
>> I have the dev packages installed and the libGL.dll.a are present
>> $ls /lib/libGL*
>> /lib/libGL.dll.a =C2=A0/lib/libGLU.dll.a
>>
>> however, without -lGL-1 it's impossible to link a dll (report missing sy=
mbols)
>> thanks and regards
>
> =C2=A0That is strange and unexpected and could indicate a bug, perhaps in=
the
> building of the import libraries. =C2=A0Can you show us a very simple tes=
tcase,
> e.g. a trivial C program with just a "main" function that calls a few of =
these
> functions that cause missing references? =C2=A0(Also, double-check that y=
ou have
> the exact corresponding version of the lib package and the -devel package=
by
> running "cygcheck -c libGL1 libGL-devel", just in case).
>
> =C2=A0 =C2=A0cheers,
> =C2=A0 =C2=A0 =C2=A0DaveK
>
>
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