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Date: Wed, 5 Mar 2025 16:30:48 +0100
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Subject: Cygwin 3.6: clang cannot use /usr/include/unistd.h, issue with
|setproctitle_init()| ...
To: cygwin AT cygwin DOT com
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From: Roland Mainz via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Roland Mainz <roland DOT mainz AT nrubsig DOT org>
Sender: "Cygwin" <cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com>

Hi!

----

Small issue with Cygwin 3.6 (3.6.0-0.419.g3c1308ed890e.x86_64) system
/usr/include/unistd.h and clang:
---- snip ----
$ clang --version
clang version 8.0.1 (tags/RELEASE_801/final)
Target: x86_64-unknown-windows-cygnus
Thread model: posix
InstalledDir: /usr/bin
$ clang -std=gnu17 -Wall -Wextra -g foo.c -lntdll -o foo.i686.exe
In file included from foo.c:37:
In file included from /usr/include/unistd.h:4:
/usr/include/sys/unistd.h:218:42: error: parameter name omitted
static inline void setproctitle_init (int, char *[], char *[]) {}
                                        ^
/usr/include/sys/unistd.h:218:50: error: parameter name omitted
static inline void setproctitle_init (int, char *[], char *[]) {}
                                                ^
/usr/include/sys/unistd.h:218:60: error: parameter name omitted
static inline void setproctitle_init (int, char *[], char *[]) {}
                                                          ^
3 errors generated.
make: *** [Makefile:10: foo.i686.exe] Error 1
---- snip ----

----

Bye,
Roland
-- 
  __ .  . __
 (o.\ \/ /.o) roland DOT mainz AT nrubsig DOT org
  \__\/\/__/  MPEG specialist, C&&JAVA&&Sun&&Unix programmer
  /O /==\ O\  TEL +49 641 3992797
 (;O/ \/ \O;)

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