GNU bug report logs - #24219
Fwd: Compiling guile-2.0.12

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Paul Emsley <pemsley <at> mrc-lmb.cam.ac.uk>
To: bug-guile <at> gnu.org
Subject: Fwd: Compiling guile-2.0.12
Date: Sat, 13 Aug 2016 15:10:21 +0100

Fwd at the request of Mark Weaver.

Paul


-------- Forwarded Message --------
Subject: Compiling guile-2.0.12
Date: Thu, 11 Aug 2016 22:26:25 +0100
From: Paul Emsley <pemsley <at> mrc-lmb.cam.ac.uk>
To: guile-user <at> gnu.org


$ ./configure --prefix=$HOME/guile-2 --with-libltdl-prefix=$HOME/guile-2

checking for dlopen... no
checking for dlopen in -ldl... yes
checking whether a program can dlopen itself... yes
checking whether a statically linked program can dlopen itself... yes
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for libltdl... no
configure: error: GNU libltdl (Libtool) not found, see README.


config.log has this:

configure:46406: checking for libltdl
configure:46428: gcc -o conftest -g -O2   conftest.c  -lltdl >&5
conftest.c:598:18: error: ltdl.h: No such file or directory
configure:46428: $? = 1

It seems to me that the argument to --with-libltdl-prefix is not being 
checked.  And that seems like a bug.

Do you agree?

Paul.

Message #10 received at 24219-done <at> debbugs.gnu.org (full text, mbox):

From: Andy Wingo <wingo <at> pobox.com>
To: Paul Emsley <pemsley <at> mrc-lmb.cam.ac.uk>
Cc: 24219-done <at> debbugs.gnu.org
Subject: Re: bug#24219: Fwd: Compiling guile-2.0.12
Date: Wed, 01 Mar 2017 10:04:42 +0100

On Sat 13 Aug 2016 16:10, Paul Emsley <pemsley <at> mrc-lmb.cam.ac.uk> writes:

> $ ./configure --prefix=$HOME/guile-2 --with-libltdl-prefix=$HOME/guile-2
>
> checking for dlopen... no
> checking for dlopen in -ldl... yes
> checking whether a program can dlopen itself... yes
> checking whether a statically linked program can dlopen itself... yes
> checking whether stripping libraries is possible... yes
> checking if libtool supports shared libraries... yes
> checking whether to build shared libraries... yes
> checking whether to build static libraries... yes
> checking for libltdl... no
> configure: error: GNU libltdl (Libtool) not found, see README.
>
>
> config.log has this:
>
> configure:46406: checking for libltdl
> configure:46428: gcc -o conftest -g -O2   conftest.c  -lltdl >&5
> conftest.c:598:18: error: ltdl.h: No such file or directory
> configure:46428: $? = 1
>
> It seems to me that the argument to --with-libltdl-prefix is not being
> checked.  And that seems like a bug.

I looked at the generated "configure" file and it would seem that (in
your case) $HOME/guile-2/include is only added to the command line (via
-I $HOME/guile-2/include) if it exists and is a directory.  Similarly
for $HOME/guile-2/lib.  I suspect that was the situation.  Since this is
a standard autoconf thing and we do nothing special, I have to assume
that was the case.  Closing optimisitically :)

Andy

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