Re: latest clone/pull of git.git problems with setlinebuf.

[Junio C Hamano <gitster@pobox.com>]

Boyd Lynn Gerber <gerberb@zenez.com> writes:

> Hello,
>
> I just noticed that setlinebuf is coming back as undefined when trying
> to build the lastest version.
>
> on UnixWare 7.1.4 I get
>
>     LINK git-var
>     CC daemon.o
> UX:acomp: WARNING: "daemon.c", line 485: end-of-loop code not reached
>     LINK git-daemon
> Undefined                       first referenced
> symbol                              in file
> setlinebuf                          daemon.o
> UX:ld: ERROR: Symbol referencing errors. No output written to git-daemon
> gmake: *** [git-daemon] Error 1

Ah, ok.  I should have noticed that setlinebuf() was outside POSIX (it is
not usable on older BSDs either).

Let's see if we can replace it with setvbuf() which is POSIX.

---
 daemon.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git c/daemon.c w/daemon.c
index 23278e2..7f2743a 100644
--- c/daemon.c
+++ w/daemon.c
@@ -1083,7 +1083,8 @@ int main(int argc, char **argv)
 		openlog("git-daemon", LOG_PID, LOG_DAEMON);
 		set_die_routine(daemon_die);
 	} else
-		setlinebuf(stderr); /* avoid splitting a message in the middle */
+		/* avoid splitting a message in the middle */
+		setvbuf(stderr, NULL, _IOLBF, 0);
 
 	if (inetd_mode && (group_name || user_name))
 		die("--user and --group are incompatible with --inetd");