Replace CMake `return` from later CMake (#970)

example/CMakeLists.txt

@@ -59,7 +59,7 @@ function(add_example_executable EXAMPLE_NAME FILE_NAME)
         set(result 0)
     endif()
     #message("add_example returns ${result}")
-    return(PROPAGATE result)
+    set(result ${result} PARENT_SCOPE)
 endfunction(add_example_executable EXAMPLE_NAME)
 
 function(add_example_executable_no_testing EXAMPLE_NAME FILE_NAME)
@@ -114,7 +114,7 @@ function(add_example_executable_no_testing EXAMPLE_NAME FILE_NAME)
         set(result 0)
     endif()
     #message("add_example returns ${result}")
-    return(PROPAGATE result)
+    set(result ${result} PARENT_SCOPE)
 endfunction(add_example_executable_no_testing EXAMPLE_NAME)
 
 # add all example subdir

library/src/tensor_operation_instance/gpu/CMakeLists.txt

@@ -51,7 +51,7 @@ function(add_instance_library INSTANCE_NAME)
         set(result 0)
     endif()
     #message("add_instance_library returns ${result}")
-    return(PROPAGATE result)
+    set(result ${result} PARENT_SCOPE)
 endfunction(add_instance_library INSTANCE_NAME)
 
 

test/CMakeLists.txt

@@ -61,7 +61,7 @@ function(add_test_executable TEST_NAME)
         set(result 0)
     endif()
     #message("add_test returns ${result}")
-    return(PROPAGATE result)
+    set(result ${result} PARENT_SCOPE)
 endfunction(add_test_executable TEST_NAME)
 
 include(GoogleTest)
@@ -123,7 +123,7 @@ function(add_gtest_executable TEST_NAME)
         set(result 0)
     endif()
     #message("add_gtest returns ${result}")
-    return(PROPAGATE result)
+    set(result ${result} PARENT_SCOPE)
 endfunction(add_gtest_executable TEST_NAME)
 
 add_subdirectory(magic_number_division)