Re: [musl] need help with libGL

["A. Wilcox" <awilfox@adelielinux.org>]

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On Mar 6, 2022, at 11:50 PM, naruto canada <narutocanada@gmail.com> wrote:
> 
> hi
> 
> I've finally managed to get xorg-server compiled and running.
> I've also managed to get llvm and mesa compiled.
> When I tried to run simple 3d test program,
> I got "Error: GLX version >= 1.3 is required"
> I've checked /var/log/Xorg.log, and got:
> Failed to load /usr/lib/xorg/modules/extensions/libglx.so: Error
> relocating /usr/lib/libGL.so.1: _ITM_dereg
> isterTMCloneTable: initial-exec TLS resolves to dynamic definition in
> /usr/lib/libGL.so.1
> 
> I've searched the web and found this thread:
> https://bugs.freedesktop.org/show_bug.cgi?id=35268
> 
> It seems musl was fixed 4 years ago.
> I've checked musl-1.2.2 source code, indeed, the fix seems to be
> there. (tlsdesc.s)
> 
> So, I recompiled mesa with patches from the thread.
> but I still get the same error message.
> 
> I also tried this simple code:
> #include <dlfcn.h>
> #include <stdio.h>
> int main()
> {
>    void *handle = dlopen("/usr/lib/libglapi.so", RTLD_LOCAL | RTLD_NOW);
>    if (!handle) {
>        printf("dlopen failed with message '%s'\n", dlerror());
>    }
> }
> 
> dlopen failed with message 'Error relocating /usr/lib/libglapi.so:
> _glapi_tls_Context: initial-exec TLS resolves to dynamic definition in
> /usr/lib/libglapi.so'
> 
> Most of what was discussed in the thread was way over my head.
> I could use some help. Thanks.


You need to disable TLS in Mesa.  Try something like this patch:

https://cgit.adelielinux.org/packages/tree/user/mesa/no-tls.patch

Hope this helps you.

Best,
-A.

--
A. Wilcox (Sent from my iPhone)
Mac, iOS, Linux software engineer

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