05/05: gnu: rust: Add 'supported-systems' field.

[guix-commits]

civodul pushed a commit to branch core-updates-frozen
in repository guix.

commit e765ad091d861c99eae9fdd402214a2e2e90ed4d
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Sat Nov 27 22:27:09 2021 +0100

    gnu: rust: Add 'supported-systems' field.
    
    * gnu/packages/rust.scm (rust-1.39)[supported-systems]: New field.
    (rust-1.40)[supported-systems]: Remove.
---
 gnu/packages/rust.scm | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index f7f0585..2a43e88 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -318,6 +318,11 @@
     (description "Rust is a systems programming language that provides memory
 safety and thread safety guarantees.")
     (home-page "https://github.com/thepowersgang/mrustc";)
+
+    ;; So far mrustc is x86_64-only.  It may support i686 soon:
+    ;; <https://github.com/thepowersgang/mrustc/issues/78>.
+    (supported-systems '("x86_64-linux"))
+
     ;; Dual licensed.
     (license (list license:asl2.0 license:expat))))
 
@@ -502,9 +507,6 @@ ar = \"" binutils "/bin/ar" "\"
            (search-path-specification
             (variable "LIBRARY_PATH")
             (files '("lib" "lib64")))))
-    (supported-systems
-     (delete "i686-linux"               ; fails to build, see bug #35519
-             %supported-systems))
     (synopsis "Compiler for the Rust progamming language")
     (description "Rust is a systems programming language that provides memory
 safety and thread safety guarantees.")