[lit] Rename lld and clang lit configs to end in .py

This follows in line with a previous patch of renaming LLVM's.

Working on these files is difficult in certain operating systems
and/or environments that don't like handling python code with a
non .py file extension.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@313892 91177308-0d34-0410-b5e6-96231b3b80d8

test/CMakeLists.txt

@@ -26,13 +26,17 @@ llvm_canonicalize_cmake_booleans(
   HAVE_LIBZ)
 
 configure_lit_site_cfg(
-  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
-  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
+  MAIN_CONFIG
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
   )
 
 configure_lit_site_cfg(
-  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.in
-  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg
+  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py
+  MAIN_CONFIG
+  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.cfg.py
   )
 
 option(CLANG_TEST_USE_VG "Run Clang tests under Valgrind" OFF)

test/Unit/lit.site.cfg.py.in

@@ -25,4 +25,4 @@ except KeyError:
     lit_config.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key,key))
 
 # Let the main config do the real work.
-lit_config.load_config(config, "@CLANG_SOURCE_DIR@/test/Unit/lit.cfg")
+lit_config.load_config(config, "@CLANG_SOURCE_DIR@/test/Unit/lit.cfg.py")

test/lit.site.cfg.py.in

@@ -42,4 +42,4 @@ except KeyError:
 @LIT_SITE_CFG_IN_FOOTER@
 
 # Let the main config do the real work.
-lit_config.load_config(config, "@CLANG_SOURCE_DIR@/test/lit.cfg")
+lit_config.load_config(config, "@CLANG_SOURCE_DIR@/test/lit.cfg.py")