Moving env around.

.github/workflows/ci.yml

@@ -35,9 +35,16 @@ on: [push, pull_request]
   # pull_request:
   #   branches: [ $default-branch ]
 
-defaults:
+
+jobs:
+  build:
+    runs-on: [ubuntu-latest, macos-latest]
+    strategy:
+      matrix:
+        python-version: [2.7, pypy, pypy3, 3.5, 3.6, 3.7, 3.8, 3.9]
     env:
-    BUILD_RUNTIMES: $HOME/.runtimes
+      # XXX: Can't seem to set these globally. ``defaults.env`` is not
+      # a thing.
       PYTHONHASHSEED: 8675309
       PYTHONUNBUFFERED: 1
       PYTHONDONTWRITEBYTECODE: 1
@@ -57,6 +64,7 @@ defaults:
       ###
       # Part of caching; disabled for now.
       #
+      # BUILD_RUNTIMES: $HOME/.runtimes
       # CC: "ccache gcc"
       # CCACHE_NOCPP2: true
       # CCACHE_SLOPPINESS: file_macro,time_macros,include_file_ctime,include_file_mtime
@@ -65,15 +73,6 @@ defaults:
       # CPPFLAGS: "-I$BUILD_LIBS/include -DEV_VERIFY: 1"
       # LDFLAGS: "-L$BUILD_LIBS/lib"
       # LD_LIBRARY_PATH: "$BUILD_LIBS/lib"
-
-
-jobs:
-  build:
-    runs-on: [ubuntu-latest, macos-latest]
-    strategy:
-      matrix:
-        python-version: [2.7, pypy, pypy3, 3.5, 3.6, 3.7, 3.8, 3.9]
-
     steps:
       - name: checkout
         uses: actions/checkout@v2