cleanup between self hosted jobs

Author: acalejos

.github/workflows/precompile.yml

@@ -81,3 +81,6 @@ jobs:
         with:
           files: |
             ${{ matrix.runner == 'macos-latest' && 'cache/*x86_64*.tar.gz' || 'cache/*aarch64*.tar.gz' }}
+      - name: Cleanup # We need this since self-hosted runners are not ephemeral
+        run: |
+          make clean

Makefile

@@ -72,4 +72,5 @@ clean:
 	rm -rf $(EXGBOOST_CACHE_LIB_DIR)
 	rm -rf $(EXGBOOST_SO)
 	rm -rf $(EXGBOOST_LIB_DIR)
-	rm -rf $(XGBOOST_DIR)
+	rm -rf $(XGBOOST_DIR)
+	rm -rf $(XGBOOST_LIB_DIR_FLAG)