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Re: Autoconf and Fedora x86_64 /usr/local/lib64?

From: Jeffrey Walton
Subject: Re: Autoconf and Fedora x86_64 /usr/local/lib64?
Date: Fri, 20 Oct 2017 23:51:20 -0400

On Fri, Oct 20, 2017 at 11:42 PM, Jeffrey Walton <address@hidden> wrote:
> I'm having trouble configuring a few Autotool projects on Fedora
> x86_64. Fedora uses /usr/local/lib64 for third party and vendor
> libraries.
> GnuTLS requires this sed (from Fedora's patches to gnutls.spec;
> thanks NM):
>    sed -i -e 's|sys_lib_dlsearch_path_spec="/lib
> /usr/lib|sys_lib_dlsearch_path_spec="/lib /usr/lib %{_libdir}|g'
> configure
> At this point, I believe the hard coded
> "sys_lib_dlsearch_path_spec=/lib /usr/lib" is not correct for Fedora
> x86_64, but I don't know what is correct.
> My first question is, should sys_lib_dlsearch_path_spec should even be
> present? That is, shouldn't the system's or --libdir deal
> with it? Can I delete the line that hard codes
> sys_lib_dlsearch_path_spec all together?
> My first second is, if its OK to fiddle with
> sys_lib_dlsearch_path_spec, then what should the string be? Is /lib
> /usr/lib %{libdir}" correct? Or should it be something else?

I probably should have mentioned... Here are the docs on

  Variable: sys_lib_dlsearch_path_spec

      Expression to get the run-time system library search path.
      Directories that appear in this list are never hard-coded
      into executables.

But I'm not quite following what needs to be done or how it should be handled.


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