https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96168
Keno Fischer changed:
What|Removed |Added
CC||keno at juliacomputing dot com
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: keno at juliacomputing dot com
Target Milestone: ---
The contrib/download_prerequisites script uses `sha512sum --check` to verify
the integrity
of the downloaded
Assignee: unassigned at gcc dot gnu.org
Reporter: keno at juliacomputing dot com
Target Milestone: ---
In trying to build gcc on musl-based Alpine linux, I encountered the following
error:
```
/src/gcc-7.2.0/libmpx/mpxrt/mpxrt-utils.c:72:23: error: ‘PATH_MAX’ undeclared
here
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82708
--- Comment #2 from Keno Fischer ---
It looks like different parts of the build system may be disagreeing on that. I
see
checking limits.h usability... yes
in the log in one place and then
checking limits.h usability... no
later in the same l
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82708
--- Comment #4 from Keno Fischer ---
Ah, ok sorry I was confused. I probably should have mentioned that I'm doing a
cross compile to a glibc based system, so I'm building the compiler, then
building glibc,
and then going back and building the run
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82708
Keno Fischer changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82704
--- Comment #2 from Keno Fischer ---
Well, the script has a separate code path for Darwin anyway, since Darwin's
sha512sum is spelled `shasum -a 512`, but `shasum` also supports `-c` (as well
as `--check`).
: normal
Priority: P3
Component: libgcc
Assignee: unassigned at gcc dot gnu.org
Reporter: keno at juliacomputing dot com
Target Milestone: ---
Recent gcc versions provide the `-moutline-atomics` option that outlines
aarch64 atomics into calls to libgcc that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105708
--- Comment #3 from Keno Fischer ---
> I am going to close it as won't fix as the problem is with the rr emulator
> which needs to emulate ll/sc for correctness.
No currently shipping aarch64 chip provides hardware support that would allow
suc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105708
--- Comment #5 from Keno Fischer ---
Yes, rr cannot record ll/sc. I'm happy to go into depth here, but this is not
really an aarch64 issue. rr doesn't work on ppc64le either for this reason. The
introduction of lse has made rr feasible on aarch6
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105708
--- Comment #7 from Keno Fischer ---
I'm probably talking in circles at this point, but let me try just one more
time. I just want to clarify that I understand that this is not technically a
libgcc bug. But it's not really an rr bug either. Exis
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