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turtles
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Joined: 31 Dec 2004
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 Posted: Mon May 03, 2021 10:41 pm Post subject: gcc 11.1 update |
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Greetings all has anyone updated gcc to 11.1?
Working thru an emerge world update and it went pretty smooth other than mongoDb and libreoffice both seemed to have strange errors
| Code: | from src/mongo/db/pipeline/semantic_analysis.cpp:33:
src/mongo/db/exec/plan_stats.h:214:10: error: ‘optional’ in namespace ‘std’ does not name a template type
214 | std::optional<std::string> replanReason;
| ^~~~~~~~
src/mongo/db/exec/plan_stats.h:41:1: note: ‘std::optional’ is defined in header ‘<optional>’; did you forget to ‘#include <optional>’? |
Libreoffice also had a similar c++ error.
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Ionen
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Joined: 06 Dec 2018
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| Posted: Mon May 03, 2021 11:13 pm Post subject: |
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There's plenty of known build issues, and list still growing (most with C++ packages given gcc11 defaults to c++17 now).
Starting to see reports of potential runtime issues too, but that still need looking into. So use care if select it.
I use it myself (for testing) and minus a few occasional hiccups been going fine, but I still keep 10 around for when needed.
For mongodb it's bug #768339, this one been known for a while before 11 was released. |
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turtles
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| Posted: Tue May 04, 2021 12:24 am Post subject: |
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Thanks for the reply Ionen and the bug link.
Yeah I have got | Code: | gcc-config -l
[1] x86_64-pc-linux-gnu-9.2.0
[2] x86_64-pc-linux-gnu-10.3.0
[3] x86_64-pc-linux-gnu-11.1.0 *
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I'll try libreoffice with 10.3 later.
I have about 14 more builds to go before the world update is complete.
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mv
Watchman
Joined: 20 Apr 2005
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| Posted: Tue May 04, 2021 8:24 am Post subject: Re: gcc 11.1 update |
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| turtles wrote: | | Libreoffice also had a similar c++ error. |
Libreoffice-6.4.7.2 clearly has some problems. Did you already try a newer version? (Could safe me some time trying...) |
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Perfect Gentleman
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Joined: 18 May 2014
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| Posted: Tue May 04, 2021 8:33 am Post subject: Re: gcc 11.1 update |
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| mv wrote: | | turtles wrote: | | Libreoffice also had a similar c++ error. |
Libreoffice-6.4.7.2 clearly has some problems. Did you already try a newer version? (Could safe me some time trying...) |
app-office/libreoffice-7.1.3.2 is okay with GCC-11.1. |
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turtles
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| Posted: Tue May 04, 2021 2:12 pm Post subject: |
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Thanks Perfect I am trying that out now.
I got everything else to compile.
Once I added a
#include <optional>
to the source in mongo/db/exec/plan_stats.h
I got mongodb to compile.
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freke
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Joined: 23 Jan 2003
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| Posted: Wed May 05, 2021 8:17 am Post subject: |
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My servers (console-only) seems mostly fine with gcc11 - only had net-misc/dhcp acting up...
gcc10+lto was fine, gcc11+lto compiles fine, but segfaults when starting (for me anyway). |
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Ionen
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| Posted: Wed May 05, 2021 8:21 am Post subject: |
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| freke wrote: | | only had net-misc/dhcp acting up.... |
Are you using -O3? dhcp issue is apparently specific to gcc11 + -O3 (bug #787935, assuming you didn't file that yourself anyway  ) |
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freke
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Joined: 23 Jan 2003
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Location: Somewhere in Denmark
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| Posted: Wed May 05, 2021 8:33 am Post subject: |
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| Ionen wrote: | | freke wrote: | | only had net-misc/dhcp acting up.... |
Are you using -O3? dhcp issue is apparently specific to gcc11 + -O3 (bug #787935, assuming you didn't file that yourself anyway ) |
yeah - I saw that bug, but no - I'm pretty standard, I guess (apart maybe from using graphite and lto) | Code: | CFLAGS="-fgraphite-identity -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block"
CFLAGS="${CFLAGS} -flto=4 -fuse-linker-plugin -fno-fat-lto-objects"
CFLAGS="${CFLAGS} -ftree-vectorize"
CFLAGS="${CFLAGS} -march=native -O2 -pipe -fomit-frame-pointer"
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Works fine when I disable the lto-flags/add net-misc/dhcp to my no-lto packages.... |
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Ionen
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| Posted: Wed May 05, 2021 8:40 am Post subject: |
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| freke wrote: | | yeah - I saw that bug, but no - I'm pretty standard, I guess (apart maybe from using graphite and lto) |
Well, you are using parts of -O3, i.e. -O3 enables -floop-interchange, -ftree-vectorize, and -ftree-loop-distribution. lto may just be an alternate way to trigger this though. |
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