On 04/11/2020 16:31, Stephan Bergmann wrote:
Since
<https://git.libreoffice.org/core/+/f23aa1a51cb1beea4ebe3a61ba0c9b3abd844fd9%5E!/>
"Bump compiler plugins Clang baseline to 5.0.2" from about two years
ago, the baseline for (Linux) --enable-compiler-plugins builds is Clang
5.0.2.
Wasting time yesterday with
<https://gerrit.libreoffice.org/c/core/+/105234/1..4>, tracking down why
a loplugin:toolslong false positive started to appear with old Clang, I
wondered whether we could bump once again. The benefit would be getting
rid of various #if CLANG_VERSION cruft across compilerplugins/clang/,
and potentially avoiding wasting time on similar issues in the future.
(Plus, we could revisit
<https://lists.freedesktop.org/archives/libreoffice/2019-November/083780.html>
"On using C++17 for compilerplugins (not possible for now)".)
The question is what the maximum Clang version would be that we could
bump to as a baseline for (Linux) --enable-compiler-plugins builds. (For
(implicit) --disable-compiler-plugins builds, baselines can stay as they
are for now. And on macOS and Windows, I think I am the only one using
--enable-compiler-plugins, and I'm using Clang trunk there anyway.)
So, what is the maximum Clang version that people would be comfortable
with here?
lode already happens to provide a recipe to install Clang 9.0.1 on
Linux. so my suggestion---absent other constraints---would be to at
least bump to Clang 9, somewhat randomly.
as discussed on #libreoffice-dev yesterday:
Feb 08 09:45:59 <sberg> vmiklos, last time I brought up "Bump --enable-compiler-plugins Clang baseline?" back in 2020, you asked for Clang 7 for openSUSE; is that still what you'd ask for as a baseline? (maybe I'll finally find time to actually bump anything there...)
Feb 08 09:50:03 <vmiklos> sberg: today openSUSE has clang 12 (vs only 7 in the past)
Feb 08 09:51:18 <sberg> noelgrandin, ^ and you asked for Clang 10 for Ubuntu, what's your ask now?
Feb 08 09:51:51 <noelgrandin> sberg, I run clang trunk, that I compile myself
Feb 08 09:52:06 <noelgrandin> but kendy I think uses clang from Ubuntu or some such
Feb 08 09:52:24 <noelgrandin> current Ubuntu has clang 13
Feb 08 09:52:50 <sberg> ok, then lets settle on 12 for now, lets see if I get that working on the jenkins machine
