[python] [tests] Fix calling tests on Windows

mgorny · mgorny · commit d50a4310dcee · 2018-10-11T20:26:55.000Z
Fix passing arguments to the Python test command to use 'env' builtin CMake command, in order to fix compatibility with Windows. Differential Revision: https://reviews.llvm.org/D53151 llvm-svn: 344288
diff --git a/clang/bindings/python/tests/CMakeLists.txt b/clang/bindings/python/tests/CMakeLists.txt
@@ -1,7 +1,9 @@
 # Test target to run Python test suite from main build.
 
 add_custom_target(check-clang-python
-    COMMAND CLANG_LIBRARY_PATH=$<TARGET_FILE_DIR:libclang> ${PYTHON_EXECUTABLE} -m unittest discover
+    COMMAND ${CMAKE_COMMAND} -E env
+            CLANG_LIBRARY_PATH=$<TARGET_FILE_DIR:libclang>
+            ${PYTHON_EXECUTABLE} -m unittest discover
     DEPENDS libclang
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/..)
 
