e4s: set single amd gpu target for rccl (spack#3418)

haampie · web-flow · commit 0e5a0142f1a8 · 2026-02-14T12:05:59.000+01:00
Signed-off-by: Harmen Stoppels &lt;me@harmenstoppels.nl&gt;
diff --git a/stacks/e4s/spack.yaml b/stacks/e4s/spack.yaml
@@ -39,6 +39,8 @@ spack:
       variants: +pic +xz
     openblas:
       variants: threads=openmp
+    rccl:
+      variants: amdgpu_target=gfx90a
     rocblas:
       require: ~hipblaslt #hangs in ci
     trilinos:
