Re: Error running configure on Mac

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От Andres Freund
Тема Re: Error running configure on Mac
Дата
Msg-id 20220124080927.7lvubnvtgeik6jah@alap3.anarazel.de
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Ответ на Re: Error running configure on Mac  (samay sharma <smilingsamay@gmail.com>)
Ответы Re: Error running configure on Mac  (samay sharma <smilingsamay@gmail.com>)
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Hi,

On 2022-01-23 23:44:11 -0800, samay sharma wrote:
> I also see many more error messages in config.log when I grep for error.
> So, I've attached the entire file in case any other output is useful.

The important lines seem to be:

configure:4591: gcc  -c -g -O2  conftest.c >&5
In file included from conftest.c:21:
In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/include/stdlib.h:66:
In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/include/sys/wait.h:110:
/Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/include/sys/resource.h:202:2: error: unknown type name
'uint8_t'
        uint8_t  ri_uuid[16];

I.e. that for some reason on your system stdlib.h is not standalone. Which is
quite bizarre.


Grepping through headers on an m1 mini running monterey, I see

sys/resource.h:
#include <sys/cdefs.h>
...
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#include <stdint.h>
#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */

sys/cdefs.h:
#if   defined(_ANSI_SOURCE)
#define __DARWIN_C_LEVEL        __DARWIN_C_ANSI
#elif defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE) && !defined(_NONSTD_SOURCE)
#define __DARWIN_C_LEVEL        _POSIX_C_SOURCE
#else
#define __DARWIN_C_LEVEL        __DARWIN_C_FULL
#endif

So it seems that the problem is that for some reason your environment ends up
with __DARWIN_C_LEVEL being set to something too low?

It's interesting that all the _POSIX_C_SOURCE values are smaller than
__DARWIN_C_LEVEL, which seems to indicate that the above include of stdint.h
won't be made if _POSIX_C_SOURCE is set?


Could you create a test.c file like:
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wchar.h>
#include <stdio.h>

and then run

gcc -v -E -dD test.c -o test.i

and then share both the output of that and test.i?

Greetings,

Andres Freund



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