Bug 302400 – toolchain-prefix-wrapper plugin thingy should not filter libpath on Interix

• Status: RESOLVED FIXED
• Product: Gentoo/Alt

[Description Greg Turner 2010-01-27 06:18:30 UTC]

In sys-devel/binutils-config, in ld/gnuplugin.c (~ line 130), library paths are removed if they are provided by -rpath to ld.  However, this is apparently ng on Interix, where apparently -rpath foo_dir does not imply -Lfoo_dir.  The end result is that libtool builds fail to relink during portage staging ("cannot find -lfoobarbaz").

Perhaps this is because Interix uses an ancient ld.  I hope I have understood the problem correctly... regardless, the enclosed patches fix it, whatever the true etiology :)

Reproducible: Always

Steps to Reproduce:
i.e.: emerge orbit
Actual Results:  
cannot find -lgmodule-2.0 or similar during install phase ("please relink with above options").

Expected Results:  
success

[Comment 1 Greg Turner 2010-01-27 06:19:24 UTC]

Created attachment 217545 [details, diff]
dont filter libpaths on interix

[Comment 2 Greg Turner 2010-01-27 06:19:58 UTC]

Created attachment 217547 [details, diff]
ebuild patch

[Comment 3 Markus Duft (RETIRED) 2010-01-27 08:57:00 UTC]

hey :) thanks for the patch. i'm thinking about resolving this problem somewhere else (sys-devel/binutils brings a shell script wrapper specifically for interix, look at sys-devel/binutils/files/2.18-ldwrap-interix.sh, and/or the binutils-2.18 ebuild).

also, i suspect that something must have gone wrong somewhere:
 1) it always worked, until now (i just had the same problem, when i saw the bug)
 2) in the binutils ebuild, there is a comment about inserting the PREFIX as
    search dir in the linker scripts, but it is not done (anymore?).

... searching the files history ... :) hmm... nothing found. could be that this part is missing ever since. i added something. could you update binutils, and try again?

[Comment 4 Markus Duft (RETIRED) 2010-01-27 08:58:34 UTC]

aww... i just realized what caused this problem, and why this is not with every single package: older libtool (older than 2.2.6) did not relink on interix! pfff... a very well hidden bug ;) should be fixed with the linker scripts now though...

[Comment 5 Fabian Groffen 2010-01-27 19:42:52 UTC]

Erhm, there is nothing Interix specific here.  This is just a bug introduced in the last version because we tried to optimize things here.  The "don't add" block should be removed completely, because no platform I know implicitly adds -L for -rpath/-R entries.

[Comment 6 Fabian Groffen 2010-01-27 19:51:50 UTC]

presumably fixed in binutils-config-2-r00.2.ebuild