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Re: AC_PROG_LD manual?
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From: |
Eric Blake |
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Subject: |
Re: AC_PROG_LD manual? |
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Date: |
Wed, 05 May 2010 14:28:36 -0600 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Lightning/1.0b1 Thunderbird/3.0.4 |
On 05/05/2010 09:26 AM, Lukas Kaser wrote:
> Hi all,
>
> I have a configure.ac here which uses AC_PROG_LD, but I don't know
> about the purpose of this macro. Unfortunately I do not find and any
> doc about it.
Autoconf does not define this macro. It comes from somewhere else; most
likely from libtool back in the days before libtool decided to use the
LT_ macro namespace instead of infringing on autoconf, and still exists
in libtool today for backwards compatibility. At a birds-eye level, it
is similar to AC_CHECK_TOOL([LD], [ld], ...) for finding the appropriate
cross-linker. But in general, you are better off using $CC instead of
$LD for linking, as your compiler may know additional things that you
would have to manually supply on the command line to a raw linker.
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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