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Date: Tue, 14 May 2013 19:24:00 -0000
Message-Id: <201305141923.r4EJNvUE017192@glazunov.sibelius.xs4all.nl>
From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: tromey@redhat.com
CC: pavel.v.chupin@gmail.com, mark.kettenis@xs4all.nl,        gdb-patches@sourceware.org
In-reply-to: <87a9nx5qv9.fsf@fleche.redhat.com> (message from Tom Tromey on	Tue, 14 May 2013 13:00:10 -0600)
Subject: Re: [PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability
References: <CANwJu1-LGhEaeA3Mmi37UkLZOAqEFpzFpKaKzL3MVA2WORdR7Q@mail.gmail.com>	<CANwJu18MP86hi3etqskPSR3Pt6tPEZCSndzW2No_9ZHEig0AHQ@mail.gmail.com>	<201305061230.r46CU0P4006086@glazunov.sibelius.xs4all.nl>	<CANwJu1_HerKDCXB4gWAXMQY5TBe++X1A2bFSPcj+xg+MGnYQtA@mail.gmail.com> <87a9nx5qv9.fsf@fleche.redhat.com>
X-SW-Source: 2013-05/txt/msg00491.txt.bz2

> From: Tom Tromey <tromey@redhat.com>
> Date: Tue, 14 May 2013 13:00:10 -0600
> 
> Mark> The fix isn't quite right.  OpenBSD for example has <dlfcn.h> but no
> Mark> libdl; dlopen(3) and friends live in libc.
> 
> Pavel> Hi Mark,
> Pavel> Thanks for your comments. Please see new patch attached.
> 
> Pavel> -    LIBS="-ldl $LIBS"
> Pavel> +    AC_CHECK_LIB(dl, dlopen)
> 
> I think it is probably better to use AC_SEARCH_LIBS.

That's indeed what the autoconf manual suggests.