CMake: Fix values of INTERFACE_INCLUDE_DIRECTORIES property

Replace semicolon by `$<SEMICOLON>` in generator-expressions of target
property `INTERFACE_INCLUDE_DIRECTORIES` of CMake targets `gtest`,
`gtest_main`, `gmock` and `gmock_main`.

Fixes: #3616
Signed-off-by: Deniz Bahadir <deniz@code.bahadir.email>

googlemock/CMakeLists.txt

@@ -105,11 +105,12 @@ endif()
 # to the targets for when we are part of a parent build (ie being pulled
 # in via add_subdirectory() rather than being a standalone build).
 if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
+  string(REPLACE ";" "$<SEMICOLON>" dirs "${gmock_build_include_dirs}")
   target_include_directories(gmock SYSTEM INTERFACE
-    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
+    "$<BUILD_INTERFACE:${dirs}>"
     "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
   target_include_directories(gmock_main SYSTEM INTERFACE
-    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
+    "$<BUILD_INTERFACE:${dirs}>"
     "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
 endif()
 

googletest/CMakeLists.txt

@@ -131,11 +131,12 @@ set_target_properties(gtest_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
 # to the targets for when we are part of a parent build (ie being pulled
 # in via add_subdirectory() rather than being a standalone build).
 if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
+  string(REPLACE ";" "$<SEMICOLON>" dirs "${gtest_build_include_dirs}")
   target_include_directories(gtest SYSTEM INTERFACE
-    "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
+    "$<BUILD_INTERFACE:${dirs}>"
     "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
   target_include_directories(gtest_main SYSTEM INTERFACE
-    "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
+    "$<BUILD_INTERFACE:${dirs}>"
     "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
 endif()
 target_link_libraries(gtest_main PUBLIC gtest)