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Subject: cygwin-devel vs libbsd-devel: arc4random_stir() macro in stdlib.h
 breaks bsd/stdlib.h
To: cygwin AT cygwin DOT com
Message-ID: <8a442ec3-23e8-c09c-f9be-5a9fe7e6d801@t-online.de>
Date: Thu, 13 Mar 2025 08:59:36 +0100
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From: Christian Franke via Cygwin <cygwin AT cygwin DOT com>
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Cc: Christian Franke <Christian DOT Franke AT t-online DOT de>
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Problem introduced in a8891c93:

$ cygcheck -f /usr/include/stdlib.h
cygwin-devel-3.6.0-0.430.ga942476236b5

$ cygcheck -f /usr/include/bsd/stdlib.h
libbsd-devel-0.12.2-2

$ gcc -c -xc - <<<'#include <bsd/stdlib.h>'
In file included from <stdin>:1:
/usr/include/bsd/stdlib.h:62:26: error: macro "arc4random_stir" passed 1 
arguments, but takes just 0
    62 | void arc4random_stir(void);
       |                          ^
In file included from /usr/include/stdlib.h:26,
                  from /usr/include/bsd/stdlib.h:32:
/usr/include/cygwin/stdlib.h:26: note: macro "arc4random_stir" defined here
    26 | #define arc4random_stir()


-- 
Regards,
Christian


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