cpu: fix clang flags for generic x86_64 (#13491)

* cpu: differentiate flags used for pristine LLVM vs. Apple's version
2019-10-30 17:16:13 -05:00
parent cf1c38162e
commit 230c6aa326
2 changed files with 16 additions and 8 deletions
--- a/lib/spack/llnl/util/cpu/microarchitectures.json
+++ b/lib/spack/llnl/util/cpu/microarchitectures.json
@@ -61,11 +61,18 @@
            "flags": "-march={name} -mtune={name}"
          }
        ],
-        "clang": {
-          "versions": ":",
-          "family": "x86-64",
-          "flags": "-march={family} -mcpu=generic"
-        },
+        "clang": [
+          {
+            "versions": "0.0.0-apple:",
+            "family": "x86-64",
+            "flags": "-march={family}"
+          },
+          {
+            "versions": ":",
+            "family": "x86-64",
+            "flags": "-march={family} -mcpu=generic"
+          }
+        ],
        "intel": {
          "versions": ":",
          "name": "pentium4",