CI: Force fmt to cxxstd=17

gsjaardema · gsjaardema · commit 9734844d5c4c · 2025-09-18T12:04:26.000-06:00
diff --git a/.github/workflows/spack.yml b/.github/workflows/spack.yml
@@ -33,6 +33,7 @@ jobs:
     - run: |
        spack external find
        spack compiler find
+       spack install fmt cxxstd=17
        spack spec seacas@master~mpi
        spack install seacas@master~mpi
        spack find
