CMake: fix broken Googletest build on Oracle Linux 9

Author: sedmicha

CMakeModules/unit_tests.cmake

@@ -9,7 +9,7 @@ include(ExternalProject)
 ExternalProject_Add(
   googletest
   GIT_REPOSITORY   https://github.com/google/googletest.git
-  GIT_TAG          "release-1.8.1"
+  GIT_TAG          "release-1.12.1"
   UPDATE_COMMAND   ""
   INSTALL_COMMAND  ""
   LOG_DOWNLOAD     ON
@@ -22,36 +22,36 @@ set(GTEST_INCLUDE_DIRS ${source_dir}/googletest/include)
 set(GMOCK_INCLUDE_DIRS ${source_dir}/googlemock/include)
 
 ExternalProject_Get_Property(googletest binary_dir)
-set(GTEST_LIBRARY_PATH ${binary_dir}/googlemock/gtest/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a)
+set(GTEST_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a)
 set(GTEST_LIBRARY gtest)
 add_library(${GTEST_LIBRARY} UNKNOWN IMPORTED)
 set_target_properties(${GTEST_LIBRARY} PROPERTIES
-  IMPORTED_LOCATION ${GTEST_LIBRARY_PATH}
-  IMPORTED_LINK_INTERFACE_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+  "IMPORTED_LOCATION" "${GTEST_LIBRARY_PATH}"
+  "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}")
 add_dependencies(${GTEST_LIBRARY} googletest)
 
-set(GTEST_MAIN_LIBRARY_PATH ${binary_dir}/googlemock/gtest/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main.a)
+set(GTEST_MAIN_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main.a)
 set(GTEST_MAIN_LIBRARY gtest_main)
 add_library(${GTEST_MAIN_LIBRARY} UNKNOWN IMPORTED)
 set_target_properties(${GTEST_MAIN_LIBRARY} PROPERTIES
-  IMPORTED_LOCATION ${GTEST_MAIN_LIBRARY_PATH}
-  IMPORTED_LINK_INTERFACE_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+  "IMPORTED_LOCATION" "${GTEST_MAIN_LIBRARY_PATH}"
+  "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}")
 add_dependencies(${GTEST_MAIN_LIBRARY} googletest)
 
-set(GMOCK_LIBRARY_PATH ${binary_dir}/googlemock/${CMAKE_FIND_LIBRARY_PREFIXES}gmock.a)
+set(GMOCK_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gmock.a)
 set(GMOCK_LIBRARY gmock)
 add_library(${GMOCK_LIBRARY} UNKNOWN IMPORTED)
 set_target_properties(${GMOCK_LIBRARY} PROPERTIES
-  IMPORTED_LOCATION ${GMOCK_LIBRARY_PATH}
-  IMPORTED_LINK_INTERFACE_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+  "IMPORTED_LOCATION" "${GMOCK_LIBRARY_PATH}"
+  "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}")
 add_dependencies(${GMOCK_LIBRARY} googletest)
 
-set(GMOCK_MAIN_LIBRARY_PATH ${binary_dir}/googlemock/${CMAKE_FIND_LIBRARY_PREFIXES}gmock_main.a)
+set(GMOCK_MAIN_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gmock_main.a)
 set(GMOCK_MAIN_LIBRARY gmock_main)
 add_library(${GMOCK_MAIN_LIBRARY} UNKNOWN IMPORTED)
 set_target_properties(${GMOCK_MAIN_LIBRARY} PROPERTIES
-  IMPORTED_LOCATION ${GMOCK_MAIN_LIBRARY_PATH}
-  IMPORTED_LINK_INTERFACE_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+  "IMPORTED_LOCATION" "${GMOCK_MAIN_LIBRARY_PATH}"
+  "IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}")
 add_dependencies(${GMOCK_MAIN_LIBRARY} ${GTEST_LIBRARY})
 
 include_directories(