CMake/lit: Add llvm_{unit_,}site_config parameters, and always pass them when running tests from the project files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90869 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/test/Unit/lit.cfg b/test/Unit/lit.cfg
index 8321593cf7..34372bb6cb 100644
--- a/test/Unit/lit.cfg
+++ b/test/Unit/lit.cfg
@@ -32,6 +32,12 @@ if config.test_exec_root is None:
     # configuration hasn't been created by the build system, or we are in an
     # out-of-tree build situation).
 
+    # Check for 'llvm_unit_site_config' user parameter, and use that if available.
+    site_cfg = lit.params.get('llvm_unit_site_config', None)
+    if site_cfg and os.path.exists(site_cfg):
+        lit.load_config(config, site_cfg)
+        raise SystemExit
+
     # Try to detect the situation where we are using an out-of-tree build by
     # looking for 'llvm-config'.
     #