From: Miles Bader <miles@gnu.org>
To: "Jan Djärv" <jan.h.d@swipnet.se>
Cc: emacs-devel@gnu.org
Subject: Re: emacs fails to build -- XRenderQueryExtension undefined
Date: Tue, 12 Jan 2010 16:54:21 +0900 [thread overview]
Message-ID: <buovdf7iwr6.fsf@dhlpc061.dev.necel.com> (raw)
In-Reply-To: <4B4C2742.5010002@swipnet.se> ("Jan Djärv"'s message of "Tue, 12 Jan 2010 08:39:46 +0100")
Jan Djärv <jan.h.d@swipnet.se> writes:
>> I worked around it with the following patch, though it's probably not
>> exactly the right fix...
>
> What system are you on? How did you configure Emacs?
> If Xft requires Xrender at link time it should say so in the pkg-config
> output. Normally on GNU/Linux, -Xrender is a private dependency,
It only says so in the pkg-config output if you specify --static
(otherwise, I think that since it's a "private" dependency of libxft.so,
it uses libxft.so's dependencies to load the library at runtime, but the
linker won't see it):
$ pkg-config --libs xft
-lXft
$ pkg-config --libs --static xft
-lXft -lXrender -lfontconfig -lexpat -lfreetype -lz -lX11 -lpthread -lxcb -lXau -lXdmcp
The problem, as far as I can tell, seems to be that there's an explicit
reference to XRenderQueryExtension in src/xftfont.c (src/xftfont.c:365),
so Emacs itself needs to link against -lXrender, it can't rely on the
the fact that libxft uses it.
I dunno if there's some system change that exposed this issue recently;
the relevant Emacs change seems to be a bit old -- vc annotate says:
f602b732 src/xftfont.c (YAMAMOTO Mitsuharu 2009-05-11 09:29:49 +0000 365) XRenderQueryExtension (display, &event_base, &error_base);
[Note, I don't know the details of how this stuff works really, but I
think the above is roughly correct.]
-Miles
--
Monday, n. In Christian countries, the day after the baseball game.
next prev parent reply other threads:[~2010-01-12 7:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-12 3:12 emacs fails to build -- XRenderQueryExtension undefined Miles Bader
2010-01-12 7:39 ` Jan Djärv
2010-01-12 7:54 ` Miles Bader [this message]
2010-01-12 8:06 ` Miles Bader
2010-01-12 8:23 ` Jan Djärv
2010-01-12 16:25 ` Chong Yidong
2010-01-12 9:22 ` YAMAMOTO Mitsuharu
2010-01-12 9:44 ` Miles Bader
2010-01-12 10:01 ` Sven Joachim
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