GNU bug report logs - #35406
Build error for emacsclient on FreeBSD

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Josh Howard <jraitch <at> outlook.com>
Subject: bug#35406: closed (Re: bug#35406: Build error for emacsclient on
 FreeBSD)
Date: Thu, 25 Apr 2019 22:17:02 +0000

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Your bug report

#35406: Build error for emacsclient on FreeBSD

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 35406 <at> debbugs.gnu.org.

-- 
35406: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35406
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Josh Howard <jraitch <at> outlook.com>, Glenn Morris <rgm <at> gnu.org>,
 35406-done <at> debbugs.gnu.org
Subject: Re: bug#35406: Build error for emacsclient on FreeBSD
Date: Thu, 25 Apr 2019 15:15:58 -0700

On 4/24/19 8:21 PM, Josh Howard wrote:
>
> Yep, this works fine. Thanks!
>
Thanks for checking; closing the bug report.

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From: Josh Howard <jraitch <at> outlook.com>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: Build error for emacsclient on FreeBSD
Date: Tue, 23 Apr 2019 23:26:05 +0000

It appears in a recent commit there was a change to emacsclient.c that breaks its ability to build on FreeBSD by using the euidaccess() function which doesn't exist on the platform.

CCLD     emacsclient
emacsclient.c:1475:11: warning: implicit declaration of function 'euidaccess' is
      invalid in C99 [-Wimplicit-function-declaration]
              && euidaccess (sockdirname, X_OK) == 0)
                 ^
1 warning generated.
/usr/bin/ld: error: undefined symbol: euidaccess
>>> referenced by emacsclient.c:1475
>>>               /tmp/emacsclient-a0b189.o:(set_local_socket)
cc: error: linker command failed with exit code 1 (use -v to see invocation)
gmake: *** [Makefile:399: emacsclient] Error 1

I'd propose it be switched to eaccess() which should be a synonym on Linux and makes it a bit more portable.

diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 5871a18ce6..aac1b3c2b4 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -1472,7 +1472,7 @@ set_local_socket (char const *server_name)
          int sockdirnamelen = snprintf (sockdirname, sizeof sockdirname,
                                         "/run/user/%"PRIuMAX, id);
          if (0 <= sockdirnamelen && sockdirnamelen < sizeof sockdirname
-             && euidaccess (sockdirname, X_OK) == 0)
+             && eaccess (sockdirname, X_OK) == 0)
            message
              (true,
               ("%s: Should XDG_RUNTIME_DIR='%s' be in the environment?\n"

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