Re: Link against a ".la" file
Re: Link against a ".la" file
- Subject: Re: Link against a ".la" file
- From: Jonathan Taylor <email@hidden>
- Date: Fri, 10 Mar 2006 09:29:58 +0000
I've strayed into unix-y areas of OS X that I'm not familiar with,
and I wonder if anyone can help. I'm trying to get Xcode to link
against a ".la" file. I've installed GSL (Gnu Scientific Library)
and built it according to the instructions (from the command
line). This has created a file libgsl.la which I think is what I
need to link my code against. Unfortunately Xcode doesn't
recognise that file extension, and treats the file as a text file
when I add it to my project.
Can anyone shed any light on exactly what a '.la' extension means,
and how I can add it to the project? I'm vaguely aware of '.a' as
an object code archive, but I've never come across this one.
Doesn't seem to be anything in the list archives about this...
.la is a libtool file. It just tells libtool how to deal with the
file. Check the .libs directory in the same directory as the .la
file. You should find libgsl.a in there that you can link against.
- Steve
Thanks everyone for the explanations. libgsl.a is indeed in the
".libs" directory. The reason I missed this is that it is of course
an invisible directory(!?).
For the record, it seems that a more accessible copy of the library
is meant to be installed in /usr/local/lib but for some reason the
"make install" command didn't work on my system. Ah well, never mind
- I've found the invisible copy now.
Cheers
Jonny
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