cmake: Remove remaining checks for CMAKE_VERSION

Remove conditional code that doesn't need to exist anymore.

googlemock/CMakeLists.txt

@@ -100,10 +100,7 @@ else()
   target_link_libraries(gmock_main PUBLIC gmock)
   set_target_properties(gmock_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
 endif()
-# If the CMake version supports it, attach header directory information
+
-# to the targets for when we are part of a parent build (ie being pulled
-# in via add_subdirectory() rather than being a standalone build).
-if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
 string(REPLACE ";" "$<SEMICOLON>" dirs "${gmock_build_include_dirs}")
 target_include_directories(gmock SYSTEM INTERFACE
   "$<BUILD_INTERFACE:${dirs}>"
@@ -111,7 +108,6 @@ if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
 target_include_directories(gmock_main SYSTEM INTERFACE
   "$<BUILD_INTERFACE:${dirs}>"
   "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
-endif()
 
 ########################################################################
 #
@@ -135,11 +131,7 @@ if (gmock_build_tests)
   enable_testing()
 
   if (MINGW OR CYGWIN)
-    if (CMAKE_VERSION VERSION_LESS "2.8.12")
     add_compile_options("-Wa,-mbig-obj")
-    else()
-      add_definitions("-Wa,-mbig-obj")
-    endif()
   endif()
 
   ############################################################

googletest/CMakeLists.txt

@@ -140,10 +140,6 @@ if(GTEST_HAS_ABSL)
 endif()
 cxx_library(gtest_main "${cxx_strict}" src/gtest_main.cc)
 set_target_properties(gtest_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
-# If the CMake version supports it, attach header directory information
-# to the targets for when we are part of a parent build (ie being pulled
-# in via add_subdirectory() rather than being a standalone build).
-if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
 string(REPLACE ";" "$<SEMICOLON>" dirs "${gtest_build_include_dirs}")
 target_include_directories(gtest SYSTEM INTERFACE
   "$<BUILD_INTERFACE:${dirs}>"
@@ -151,7 +147,6 @@ if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
 target_include_directories(gtest_main SYSTEM INTERFACE
   "$<BUILD_INTERFACE:${dirs}>"
   "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
-endif()
 if(CMAKE_SYSTEM_NAME MATCHES "QNX")
   target_link_libraries(gtest PUBLIC regex)
 endif()

googletest/cmake/internal_utils.cmake

@@ -188,23 +188,14 @@ function(cxx_library_with_type name type cxx_flags)
     set_target_properties(${name}
       PROPERTIES
       COMPILE_DEFINITIONS "GTEST_CREATE_SHARED_LIBRARY=1")
-    if (NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
       target_compile_definitions(${name} INTERFACE
         $<INSTALL_INTERFACE:GTEST_LINKED_AS_SHARED_LIBRARY=1>)
   endif()
-  endif()
   if (DEFINED GTEST_HAS_PTHREAD)
-    if ("${CMAKE_VERSION}" VERSION_LESS "3.1.0")
+    target_link_libraries(${name} PUBLIC Threads::Threads)
-      set(threads_spec ${CMAKE_THREAD_LIBS_INIT})
-    else()
-      set(threads_spec Threads::Threads)
-    endif()
-    target_link_libraries(${name} PUBLIC ${threads_spec})
   endif()
 
-  if (NOT "${CMAKE_VERSION}" VERSION_LESS "3.8")
   target_compile_features(${name} PUBLIC cxx_std_14)
-  endif()
 endfunction()
 
 ########################################################################
@@ -256,16 +247,7 @@ function(cxx_executable name dir libs)
     ${name} "${cxx_default}" "${libs}" "${dir}/${name}.cc" ${ARGN})
 endfunction()
 
-# Sets PYTHONINTERP_FOUND and PYTHON_EXECUTABLE.
+find_package(Python3)
-if ("${CMAKE_VERSION}" VERSION_LESS "3.12.0")
-  find_package(PythonInterp)
-  set(PYTHONINTERP_FOUND ${PYTHONINTERP_FOUND} CACHE INTERNAL "")
-  set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE INTERNAL "")
-else()
-  find_package(Python COMPONENTS Interpreter)
-  set(PYTHONINTERP_FOUND ${Python_Interpreter_FOUND} CACHE INTERNAL "")
-  set(PYTHON_EXECUTABLE ${Python_EXECUTABLE} CACHE INTERNAL "")
-endif()
 
 # cxx_test_with_flags(name cxx_flags libs srcs...)
 #
@@ -291,34 +273,22 @@ endfunction()
 # creates a Python test with the given name whose main module is in
 # test/name.py.  It does nothing if Python is not installed.
 function(py_test name)
-  if (PYTHONINTERP_FOUND)
+  if (NOT Python3_Interpreter_FOUND)
-    if ("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 3.1)
+    return()
-      if (CMAKE_CONFIGURATION_TYPES)
-        # Multi-configuration build generators as for Visual Studio save
-        # output in a subdirectory of CMAKE_CURRENT_BINARY_DIR (Debug,
-        # Release etc.), so we have to provide it here.
-        add_test(NAME ${name}
-          COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
-              --build_dir=${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG> ${ARGN})
-      else (CMAKE_CONFIGURATION_TYPES)
-        # Single-configuration build generators like Makefile generators
-        # don't have subdirs below CMAKE_CURRENT_BINARY_DIR.
-        add_test(NAME ${name}
-          COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
-            --build_dir=${CMAKE_CURRENT_BINARY_DIR} ${ARGN})
-      endif (CMAKE_CONFIGURATION_TYPES)
-    else()
-      # ${CMAKE_CURRENT_BINARY_DIR} is known at configuration time, so we can
-      # directly bind it from cmake. ${CTEST_CONFIGURATION_TYPE} is known
-      # only at ctest runtime (by calling ctest -c <Configuration>), so
-      # we have to escape $ to delay variable substitution here.
-      add_test(NAME ${name}
-        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
-          --build_dir=${CMAKE_CURRENT_BINARY_DIR}/\${CTEST_CONFIGURATION_TYPE} ${ARGN})
   endif()
+
+  get_cmake_property(is_multi "GENERATOR_IS_MULTI_CONFIG")
+  set(build_dir "${CMAKE_CURRENT_BINARY_DIR}")
+  if (is_multi)
+    set(build_dir "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>")
+  endif()
+
+  add_test(NAME ${name}
+      COMMAND Python3::Interpreter ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
+          --build_dir=${build_dir} ${ARGN})
+
   # Make the Python import path consistent between Bazel and CMake.
   set_tests_properties(${name} PROPERTIES ENVIRONMENT PYTHONPATH=${CMAKE_SOURCE_DIR})
-  endif(PYTHONINTERP_FOUND)
 endfunction()
 
 # install_project(targets...)