ENH: Add testing of symlinks too

Tests/TarTest/CMakeLists.txt

@@ -4,7 +4,7 @@ PROJECT(TestTar)
 MACRO(EXEC_TAR_COMMAND DIR ARGS)
   EXEC_PROGRAM("${CMAKE_COMMAND}" "${DIR}" ARGS "-E tar ${ARGS}" RETURN_VALUE RET)
   IF(${RET})
-    MESSAGE(FATAL_ERROR "CMake command \"${COMMAND}\" failed with arguments \"${ARGS}\"")
+    MESSAGE(FATAL_ERROR "CMake tar command failed with arguments \"${ARGS}\"")
   ENDIF(${RET})
 ENDMACRO(EXEC_TAR_COMMAND)
 
@@ -23,8 +23,8 @@ COPY("CMakeLists.txt" "d-4/f1.txt")
 COPY("CMakeLists.txt" "My Special Directory/f1.txt")
 
 IF(UNIX)
-  #EXEC_PROGRAM("ln" ARGS "-s \"${CMAKE_CURRENT_SOURCE_DIR}/tar_dir/d1/f1.txt\" \"${CMAKE_CURRENT_BINARY_DIR}/tar_dir/d1/f2.txt\"")
-  #SET(CHECK_FILES ${CHECK_FILES} "d1/f2.txt")
+  EXEC_PROGRAM("ln" ARGS "-s \"${CMAKE_CURRENT_BINARY_DIR}/tar_dir/d1/f1.txt\" \"${CMAKE_CURRENT_BINARY_DIR}/tar_dir/d1/f2.txt\"")
+  SET(CHECK_FILES ${CHECK_FILES} "d1/f2.txt")
 ENDIF(UNIX)
 
 MAKE_DIRECTORY("${CMAKE_CURRENT_BINARY_DIR}/test_output_tar")