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Re: Forcing the linking language

From: Alien
Subject: Re: Forcing the linking language
Date: Sun, 17 Oct 2004 22:28:19 +0200
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i have a similar problem with my project,

I have to link with which holds C++ things, and it should contain C 
prototypes,... but, if i do manually compile with gcc, it fails to link, but 
with g++ it works, i'd like to make this go automatically with autotools, but 
i don't know how...

thanks in advance,


Op vrijdag 15 oktober 2004 23:19, schreef Norman Gray:
> Greetings.
> Is there any way of indicating to automake which language to use when
> linking a library?
> I'm assembling a (shared) library using convenience libraries:
> libfoo_la_SOURCES =
> libfoo_la_LIBADD = stuff/
> Now, is a convenience library of objects built from
> _Fortran_ sources.  This means that the libfoo shared library should be
> assembled using the F77 or FC languages (this matters on OSX: this
> situation requires libtool's Fortran magic, since the OSX linker has a
> big downer on common blocks, and needs to be told to chill out a bit).
> However automake doesn't know this, so it tries to use gcc to link the
> library, which fails.  Is there any way of giving it a hint, here?
> Using libfoo_la_LINK isn't the solution, since that would require me to
> copy the long LIBTOOL definition that automake generates (which I
> oughtn't to have to know about);  manually adding --tag=F77 to the
> libtool line works, but there's no way of inserting that from within
> without redefining LIBTOOL (again using internals).
> There's no mechanism that seems obvious from, though I
> confess I have only a fairly sketchy idea of how it is that
> handle_single_transform_list (yes?) determines the language to use for
> the link.
> I've managed to get this to work by setting
> libfoo_la_SOURCES = dummy.f
> where dummy.f is a trivial Fortran routine.  That tells automake that
> Fortran is involved somewhere, and it consequently does The Right
> Thing.  But this seems like a bit of a hack.
> There's nothing leaps out from the list archives.  Does anyone have any
> advice?
> Best wishes,
> Norman
> --
> ----------------------------------------------------------------------
> Norman Gray  :  Physics & Astronomy, Glasgow University, UK
>  :

- -- 
AL13N is my name and head-biting is my game
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