Re: Re-ordering of libraries by libtool.

[Bob Friesenhahn]

On Wed, 20 Feb 2013, Richard Shann wrote:


In the GNU/Denemo project we are trying to cross-build a for windows on
Debian stable using static libraries. The libtool step is re-ordering
the libraries before invoking the linker, and so it fails.
The cross-environment has version 2.22 of GNU/Binutils, but I am not
clear where the actual libtool is coming from - the host libtool is
version 2.26b.


It is not wise to use such an archaic libtool.  You can determine 
which version is actually used by doing './libtool --version' in the 
build tree.



I can't find online documentation for this version, and even in the
latest version there is almost no mention of libtool re-ordering the
directories as given. I noticed one previous email on this topic, which
received no responses. Can someone help?


If any libraries have .la files, then this cause libtool to inject 
library dependencies (additional needed libraries) into the build, 
which may have the apparent effect of re-ordering.


Regardless, you should be using libtool 2.4.2.  Libtool 2.2.6b is a a 
security-patched version of libtool 2.2.6a, which was released in 
2008.


Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,http://www.GraphicsMagick.org/

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[sr #108201] libtool problems with -export-symbols-regex on solaris with gcc-4.7.x

[Richard PALO]

Follow-up Comment #31, sr #108201 (project libtool):

apparently Joyent believe that this isn't closed, if there is somebody that
has tested this too could determine whether or not to close the issue as
fixed, thanks in advance.

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Re: Re-ordering of libraries by libtool.

[Richard Shann]

Thank you for the thoughtful response.
On Sun, 2013-02-24 at 10:50 -0600, Bob Friesenhahn wrote:
> On Wed, 20 Feb 2013, Richard Shann wrote:
> 
> > In the GNU/Denemo project we are trying to cross-build a for windows on
> > Debian stable using static libraries. The libtool step is re-ordering
> > the libraries before invoking the linker, and so it fails.
> > The cross-environment has version 2.22 of GNU/Binutils, but I am not
> > clear where the actual libtool is coming from - the host libtool is
> > version 2.26b.
> 
> It is not wise to use such an archaic libtool.  You can determine 
> which version is actually used by doing './libtool --version' in the 
> build tree.
My problem was that the build is done with some environment set, without
hacking at it I cannot be sure what is being invoked (the tools are
being built for doing the compiling and linking as well as the final
executable)
> 
> > I can't find online documentation for this version, and even in the
> > latest version there is almost no mention of libtool re-ordering the
> > directories as given. I noticed one previous email on this topic, which
> > received no responses. Can someone help?
> 
> If any libraries have .la files, then this cause libtool to inject 
> library dependencies (additional needed libraries) into the build, 
> which may have the apparent effect of re-ordering.
But that is intended to be only an apparent effect - the later
appearance of the library on the link line would surely not be deleted?
This is what I appeared to encounter - no matter how many times I listed
the set of libraries on the $(CXXLD) line a symbol which nm says was
defined in a library was not found.
> 
> Regardless, you should be using libtool 2.4.2.  Libtool 2.2.6b is a a 
> security-patched version of libtool 2.2.6a, which was released in 
> 2008.
Yes Debian stable is always about 2 years behind; I guess that is why it
is called stable :) Trying to mix-and-match components is (for me) an
exercise in frustration.

Once again, thanks - at the moment we have returned to trying to build
using GNU/LilyPond's GUB system...

Richard Shann








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