Charles M. Hannum <root@ihack.net> wrote:
>Matthew Green <mrg@eterna.com.au> wrote:
>> it seems to be that this is wrong.  we do *not* want to write $DESTDIR/usr/lib
>> as the runtime path into each binary.. i want my install binaries to use the
>> normal, standard, path, not some random, ah-hoc directory, that i decided to
>> use as my $DESTDIR for this build.
>
>That's nice, but unfortunately ld(1) uses the rpath to find dependent
>libraries during the link.  Without that change, cross-compiling many
>executables was not possible.
>
>I'd certainly prefer some other way of solving the problem.

Would the -rpath-link option work?  We've been having a bit of a discussion
over in current-users about -L and -rpath stuff, and I noticed it while
browsing through the gnu ld man page.  It looks like it might be what you
need:

       -rpath-link directory
              When using ELF or SunOS, one shared library may re-
              quire  another.   This  happens  when an ld -shared
              link includes a shared library as one of the  input
              files.

              When  the  linker encounters such a dependency when
              doing a non-shared, non-relocateable link, it  will
              automatically try to locate the required shared li-
              brary and include it in the link, if it is not  in-
              cluded explicitly.  In such a case, the -rpath-link
              option specifies the first set  of  directories  to
              search.   The  -rpath-link option may specify a se-
              quence of directory names either  by  specifying  a
              list  of names separated by colons, or by appearing
              multiple times.

              If the required shared library is  not  found,  the
              linker  will  issue a warning and continue with the
              link.

(Unfortunately, the DNS troubles have made it hard to follow anything
on the mailing lists recently...)

jdarrow

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