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Sat, 28 Jan 2023 10:09:56 -0800 (PST) | |
Message-ID: | <ff678ac2-ffd0-4f06-07eb-f5ad50dab84b@gmail.com> |
Date: | Sat, 28 Jan 2023 19:09:56 +0100 |
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Subject: | Re: DXE3 with std::vector |
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From: | "J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com> |
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On 2023-01-28 18:23, Eli Zaretskii (eliz AT gnu DOT org) [via djgpp AT delorie DOT com] wrote: >> Date: Sat, 28 Jan 2023 18:01:44 +0100 >> From: "J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com> >> >>> >>> I don't really like this "solution", it just makes it the user's problem. >>> >>> How likely is it that someone uses the latest version of dxe3gen, but is >>> somehow stuck with such an ancient (nearly 25 years old) version of gcc? At >>> some point you'll just have to say, for gcc < X, use dxe3gen Y. >>> >>> For DXE_LD_LIBRARY_PATH, that can be added easily as -L dir, and won't break >>> anything. But not having this set should not be an error. >>> >>> For DJDIR, there is only one valid place it can point to, and gcc already knows >>> where to find it. I don't think a native gcc even works without DJDIR set. So >>> it doesn't make sense to also parse it in dxe3gen. >> >> Also, with removing DXE_LD_LIBRARY_PATH, the concern was that it could break >> existing makefiles. But now the accepted solution is... to break existing >> makefiles? That logic is hard to follow. > > If you can propose a patch that caters to your use case without > breaking the "traditional" one, please do, and let's take it from > there. > > GCC 2.95 is not a blocking problem, from my POV. But I don't want to > lose support for DJDIR and DXE_LD_LIBRARY_PATH, because someone could > have set them in their build procedures for some reason, and have them > point to some strange places that neither me nor you can imagine. > > Are there any fundamental problems that would preclude invoking GCC > instead of ld (so that your case is supported), but still have the -L > switch added to the GCC command line, whose argument is derived from > DXE_LD_LIBRARY_PATH or from DJDIR if those are set? IOW, can we have > the code work as you wanted when these two variables aren't set, but > add the additional -L switch when they are? Sure, that should be possible. Starting from the patch I submitted earlier, simply adding DXE_LD_LIBRARY_PATH via -L will achieve that. For DJDIR, again, having it set to anything other than the djgpp install location is *always* user error. Many things rely on this, and to me it doesn't seem very useful to support invalid configurations in dxe3gen.
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