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From: | Behdad Esfahbod |
Subject: | Re: [ft-devel] LD version script |
Date: | Tue, 30 Jan 2018 12:30:12 -0800 |
You raise a fair point. The point I was trying to make, and perhaps I didn't make it clear enoughwhat I was after, is this: suppose some downstream maintainer decides to add symbol versions.Wouldn't it be nice if we already had that so there is no mess between how one Linux distributiondoes it versus another? Granted, there still might be a mess, but we can mitigate the hassle.And, now for another idiom: that's just my two cents.Regards,TomOn Tue, Jan 30, 2018 at 3:03 PM, Behdad Esfahbod <address@hidden> wrote:I know what symbol versioning is used for (I was also package maintainer at Red Hat for four years). But don't see how it applies to FreeType. FreeType never changes ABI in backward-incompatible way. Its build system is already adhoc enough. I don't want to see more complexity added unnecessarily. Also, I don't want FreeType binaries to come with the same headaches that libpng and openssl cause every time they bump soname.On Tue, Jan 30, 2018 at 4:45 AM, Tom Kacvinsky <address@hidden> wrote:______________________________Hi all,I'll see what I can do. To be honest, the only platforms that really support thisare Linux and Solaris. I definitely have access to Linux machines, but not aSolaris machine. I might be able to get access to the latter.Despite all of the talk about whether symbol versioning is useful (and this is notmeant to be snarky), keep in mind the major commercial Linux distributions usesymbol versioning, as well as the free Linux distributions. I work for SUSE andmy colleagues highly recommend getting symbol versioning into FreeType. Iagree with them and am willing to do the work as I find time - as the saying goes,put my money where my mouth is.The only thing I would need is a way of getting the API functions to add to asymbol versioning linker file. This way, the symbol versioning script doesn'tneed to be checked in, and if we add something to the API, we don't need toworry about missing it in the library version file.Regards,TomOn Tue, Jan 30, 2018 at 1:25 AM, Werner LEMBERG <address@hidden> wrote:
> Admittedly, symbol versioning is very poorly supported and
> documented [...]
Yes.
> [...] All in all, this looks like something to stay away from.
Maybe there are more knowledgeable people who want to contribute...
Werner
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