tests: Propogate LLVM_SRC_ROOT and PYTHON_EXECUTABLE environment variables to tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105890 91177308-0d34-0410-b5e6-96231b3b80d8

test/CMakeLists.txt

@@ -35,6 +35,7 @@ if(PYTHONINTERP_FOUND)
                 -e "s#\@LLVM_BINARY_DIR\@#${LLVM_BINARY_DIR}#"
                 -e "s#\@LLVM_TOOLS_DIR\@#${LLVM_TOOLS_BINARY_DIR}/${CMAKE_CFG_INTDIR}#"
                 -e "s#\@LLVMGCCDIR\@##"
+                -e "s#\@PYTHON_EXECUTABLE\@#${PYTHON_EXECUTABLE}#"
                 ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in >
                 ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
     COMMAND sed -e "s#\@LLVM_SOURCE_DIR\@#${LLVM_MAIN_SRC_DIR}#"

test/lit.cfg

@@ -48,6 +48,13 @@ if llvm_obj_root is not None:
 # Propogate 'HOME' through the environment.
 config.environment['HOME'] = os.environ['HOME']
 
+# Propogate LLVM_SRC_ROOT into the environment.
+config.environment['LLVM_SRC_ROOT'] = config.llvm_src_root
+
+# Propogate PYTHON_EXEUTABLE into the environment
+config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
+                                                  '')
+
 ###
 
 import os

test/lit.site.cfg.in

@@ -4,6 +4,7 @@ config.llvm_src_root = "@LLVM_SOURCE_DIR@"
 config.llvm_obj_root = "@LLVM_BINARY_DIR@"
 config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
 config.llvmgcc_dir = "@LLVMGCCDIR@"
+config.python_executable = "@PYTHON_EXECUTABLE@"
 
 # Let the main config do the real work.
 lit.load_config(config, "@LLVM_SOURCE_DIR@/test/lit.cfg")