dannym pushed a commit to branch master
in repository guix.

commit 67ca98ec7818f5b63fe041bfee4ef10826635685
Author: Efraim Flashner <efr...@flashner.co.il>
Date:   Thu Mar 22 09:14:53 2018 +0200

    gnu: rust: Don't build for "native" arch on ARM.
    
    * gnu/packages/rust.scm (rust-1.23)<#:phases>[dont-build-native]: New phase.
---
 gnu/packages/rust.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 8c5abfc..0df649c 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -351,6 +351,12 @@ safety and thread safety guarantees.")
      (substitute-keyword-arguments (package-arguments rust-1.19)
        ((#:phases phases)
         `(modify-phases ,phases
+           (add-after 'unpack 'dont-build-native
+             (lambda _
+               ;; XXX: Revisit this when we use gcc 6.
+               (substitute* "src/binaryen/CMakeLists.txt"
+                 (("ADD_COMPILE_FLAG\\(\\\"-march=native\\\"\\)") ""))
+               #t))
            (add-after 'patch-tests 'patch-cargo-tests
              (lambda _
                (substitute* "src/tools/cargo/tests/build.rs"

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