[PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability

[Pavel Chupin]

On Tue, May 14, 2013 at 11:23 PM, Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
>> 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.

Please see attached.

ChangeLog entry didn't change:
2013-05-16  Pavel Chupin  <pavel.v.chupin@intel.com>

        Replace hardcoded -ldl with check for availability
        * acinclude.m4: Add check for dlopen in libdl.
        * configure.ac: Ditto.
        * configure: Regenerate.

Is it OK for trunk?

--
Pavel Chupin
Intel Corporation
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