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Re: Testing doesn't work so well, but it builds

From: Bruce Korb
Subject: Re: Testing doesn't work so well, but it builds
Date: Tue, 24 Jun 2008 17:18:59 -0700

Hi Brian, Harlan, and libtool-ers,

On Tue, Jun 24, 2008 at 4:59 PM, Brian Utterback
<address@hidden> wrote:

>>>> Bruce is correct that the problem has to do with "-R" but you don't do
>>>> "-R" the way he is using it here.

I need to point out that "he" isn't doing anything with the "-R".
I have to depend upon libtool to take canonical link commands
and transform them into whatever is needed for a particular platform.
If the "-R" option to the linker is not being configured correctly,
then they need to know about it.

I'll update my libtool as soon as there is a fix.

Regards, Bruce

>>>> On Solaris, the link time library search path is separate from the run
>>>> time library search path. The -L flag sets the link time (compile
>>>> time) library search path, and the -R flag sets the run time path. If
>>>> the library you are linking to is already installed in the same place
>>>> and the directory it is in is not on the default search path, then you
>>>> need to set the directory with both a -L and a -R. You use them the
>>>> same way, on the command line.

>> >> $ bash -x
>> >> -I/pogo/users/bkorb/autogen-
>> >> 5.9.6pre6 -I/pogo/users/bkorb/autogen-5.9.6pre6/_b 
>> >> -I/pogo/users/bkorb/autoge
>> >> n-5.9.6pre6/_b/agen5 -I/pogo/users/bkorb/autogen-5.9.6pre6/_b/autoopts 
>> >> -I/pog
>> >> o/users/bkorb/autogen-5.9.6pre6/agen5 
>> >> -I/pogo/users/bkorb/autogen-5.9.6pre6/a
>> >> utoopts -I/usr/local/gnu/include -o nested nested.c 
>> >> /pogo/users/bkorb/autogen
>> >> -5.9.6pre6/_b/autoopts/.libs/libopts.a 
>> >> /pogo/users/bkorb/autogen-5.9.6pre6/_b
>> >> /autoopts/.libs/libguileopts.a -Wl,-R -L/usr/local/gnu/lib -lguile 
>> >> -lguile -lt
>> >> dl -lsocket -lnsl -lm -lgen
>> >>
>> >> That looks better, but:
>> >> $ ./nested -?
>> >> nested: fatal: open failed: No such file or 
>> >> directory
>> >> Killed
> Yes, -Wl,-R supplies a -R to the linker, but the -R to the linker needs an
> argument, the same as the -L. Also, it is usual to supply the -R the same
> way as the -L, as a plain flag to the compiler. The compiler knows to pass
> it to the linker.
> Brian Utterback

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