202/210: gnu: libstdc++-boot0: Copy libstdc++.so.6.0.20 to pass install.

[Jan Nieuwenhuizen]

janneke pushed a commit to branch wip-bootstrap
in repository guix.

commit a9aff397ff3ee65aa3e641b2d9a2bf9506a7b98e
Author: Jan Nieuwenhuizen <address@hidden>
Date:   Thu Sep 6 21:35:51 2018 +0200

    gnu: libstdc++-boot0: Copy libstdc++.so.6.0.20 to pass install.
    
    * gnu/packages/commencement.scm (libstdc++-boot0): Copy libstdc++.so.6.0.20 
to
    pass install.
---
 gnu/packages/commencement.scm | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index acbe090..8a757f1 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -1766,7 +1766,23 @@ exec " gcc "/bin/" program
          ;; XXX: libstdc++.so NEEDs ld.so for some reason.
          #:validate-runpath? #f
 
-         ,@(package-arguments lib)))
+         ,@(match (%current-system)
+             ("i686-linux"
+              (substitute-keyword-arguments (package-arguments lib)
+                ((#:phases phases)
+                 `(modify-phases ,phases
+                    ;; FIXME: why doesn't this package build 
libstdc++.so.6.0.20,
+                    ;; when gcc-mesboot builds it fine?
+                    ;; libtool: install: 
/gnu/store/7swwdnq02lqk4xkd8740fxdj1h4va38l-bootstrap-binaries-0/bin/install -c 
.libs/libstdc++.so.6.0.20 
/gnu/store/np5pmdlwfin3vmqk88chh0fgs0ncki79-libstdc++-boot0-4.8.5/lib/libstdc++.so.6.0.20
+                    ;; 
/gnu/store/7swwdnq02lqk4xkd8740fxdj1h4va38l-bootstrap-binaries-0/bin/install: 
cannot stat '.libs/libstdc++.so.6.0.20': No such file or directory
+                    (add-after 'build 'copy-libstdc++-
+                      (lambda* (#:key outputs #:allow-other-keys)
+                        (let ((gcc (assoc-ref %build-inputs "gcc"))
+                              (out (assoc-ref outputs "out")))
+                          (copy-file (string-append gcc 
"/lib/libstdc++.so.6.0.20")
+                                     (string-append 
"src/.libs/libstdc++.so.6.0.20"))
+                          #t)))))))
+             (_ (package-arguments lib)))))
       (inputs (%boot0-inputs))
       (native-inputs '()))))