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* Re: Meson and Numa: C header not found
@ 2025-04-10 17:18 Daniel Westermann (DWE) <[email protected]>
0 siblings, 1 reply; 2+ messages in thread
From: Daniel Westermann (DWE) @ 2025-04-10 17:18 UTC (permalink / raw)
To: Tom Lane <[email protected]>; +Cc: Tomas Vondra <[email protected]>; [email protected] <[email protected]>
>That's just weird then. The only other theory that comes to mind
>is that there's something wrong with the SELinux attributes on these
>fles. restorecon might help if so.
If that would be the case, then it is a packaging issue on Fedora, I guess.
Even after restorecon I get this:
Found pkg-config: YES (/usr/bin/pkg-config) 2.3.0
Run-time dependency numa found: YES 2.0.19
../postgresql/meson.build:957:12: ERROR: C header 'numa.h' not found
... which gives this in the log:
Run-time dependency numa found: YES 2.0.19
Using cached compile:
Cached command line: cc /home/postgres/build/meson-private/tmpjon5_bg2/testfile.c -E -P -D_FILE_OFFSET_BITS=64 -P -O0
Code:
#ifdef __has_include
#if !__has_include("numa.h")
#error "Header 'numa.h' could not be found"
#endif
#else
#include <numa.h>
#endif
Cached compiler stdout:
Cached compiler stderr:
/home/postgres/build/meson-private/tmpjon5_bg2/testfile.c:4:12: error: #error "Header 'numa.h' could not be found"
4 | #error "Header 'numa.h' could not be found"
| ^~~~~
../postgresql/meson.build:957:12: ERROR: C header 'numa.h' not found
Regards
Daniel
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: Meson and Numa: C header not found
@ 2025-04-10 17:45 Tom Lane <[email protected]>
parent: Daniel Westermann (DWE) <[email protected]>
0 siblings, 0 replies; 2+ messages in thread
From: Tom Lane @ 2025-04-10 17:45 UTC (permalink / raw)
To: Daniel Westermann (DWE) <[email protected]>; +Cc: Tomas Vondra <[email protected]>; [email protected] <[email protected]>
"Daniel Westermann (DWE)" <[email protected]> writes:
> Even after restorecon I get this:
> Found pkg-config: YES (/usr/bin/pkg-config) 2.3.0
> Run-time dependency numa found: YES 2.0.19
> ../postgresql/meson.build:957:12: ERROR: C header 'numa.h' not found
> ... which gives this in the log:
> Run-time dependency numa found: YES 2.0.19
> Using cached compile:
> Cached command line: cc /home/postgres/build/meson-private/tmpjon5_bg2/testfile.c -E -P -D_FILE_OFFSET_BITS=64 -P -O0
Ah-hah: the "cached" bit gave me the clue I needed. I think
you ran "meson setup" without numactl-devel installed, and it
cached the fact that numa.h wasn't there. I can reproduce
this error with
$ sudo dnf remove numactl-devel
$ git clean -dfxq
$ meson setup build
$ sudo dnf install numactl-devel
$ meson setup build --reconfigure
... which ends with
Run-time dependency numa found: YES 2.0.19
meson.build:957:12: ERROR: C header 'numa.h' not found
It's okay again after blowing away the build subdirectory
(e.g. via "git clean -dfxq") and trying again.
This implies that it caches info about header presence but
not library presence (else it wouldn't have thought that
the library was there either, I guess). Kind of weird,
but I'm still learning about meson.
regards, tom lane
^ permalink raw reply [nested|flat] 2+ messages in thread
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2025-04-10 17:18 Re: Meson and Numa: C header not found Daniel Westermann (DWE) <[email protected]>
2025-04-10 17:45 ` Tom Lane <[email protected]>
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