[lldb] Remove CMAKE_VERSION checks now that the minimum version is 3.13.4

Author: JDevlieghere

lldb/cmake/modules/FindPythonInterpAndLibs.cmake

@@ -61,46 +61,22 @@ if(PYTHON_LIBRARIES AND PYTHON_INCLUDE_DIRS AND PYTHON_EXECUTABLE AND SWIG_EXECU
 else()
   find_package(SWIG 2.0)
   if (SWIG_FOUND)
-    if(NOT CMAKE_VERSION VERSION_LESS 3.12)
-      if (LLDB_PYTHON_VERSION)
-        if (LLDB_PYTHON_VERSION VERSION_EQUAL "2")
-          FindPython2()
-        elseif(LLDB_PYTHON_VERSION VERSION_EQUAL "3")
-          FindPython3()
-        endif()
-      else()
+    if (LLDB_PYTHON_VERSION)
+      if (LLDB_PYTHON_VERSION VERSION_EQUAL "2")
+        FindPython2()
+      elseif(LLDB_PYTHON_VERSION VERSION_EQUAL "3")
         FindPython3()
-        if (NOT PYTHON3_FOUND AND NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
-          FindPython2()
-        endif()
       endif()
     else()
-      find_package(PythonInterp)
-      find_package(PythonLibs)
-      if(PYTHONINTERP_FOUND AND PYTHONLIBS_FOUND AND SWIG_FOUND)
-        if (NOT CMAKE_CROSSCOMPILING)
-          string(REPLACE "." ";" pythonlibs_version_list ${PYTHONLIBS_VERSION_STRING})
-          list(GET pythonlibs_version_list 0 pythonlibs_major)
-          list(GET pythonlibs_version_list 1 pythonlibs_minor)
-
-          # Ignore the patch version. Some versions of macOS report a different
-          # patch version for the system provided interpreter and libraries.
-          if (CMAKE_CROSSCOMPILING OR (PYTHON_VERSION_MAJOR VERSION_EQUAL pythonlibs_major AND
-              PYTHON_VERSION_MINOR VERSION_EQUAL pythonlibs_minor))
-            mark_as_advanced(
-              PYTHON_LIBRARIES
-              PYTHON_INCLUDE_DIRS
-              PYTHON_EXECUTABLE
-              SWIG_EXECUTABLE)
-          endif()
-        endif()
+      FindPython3()
+      if (NOT PYTHON3_FOUND AND NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
+        FindPython2()
       endif()
     endif()
   else()
     message(STATUS "SWIG 2 or later is required for Python support in LLDB but could not be found")
   endif()
 
-
   include(FindPackageHandleStandardArgs)
   find_package_handle_standard_args(PythonInterpAndLibs
                                     FOUND_VAR

lldb/cmake/modules/LLDBConfig.cmake

@@ -79,11 +79,6 @@ if(LLDB_BUILD_FRAMEWORK)
   if(NOT APPLE)
     message(FATAL_ERROR "LLDB.framework can only be generated when targeting Apple platforms")
   endif()
-  # CMake 3.6 did not correctly emit POST_BUILD commands for Apple Framework targets
-  # CMake < 3.8 did not have the BUILD_RPATH target property
-  if(CMAKE_VERSION VERSION_LESS 3.8)
-    message(FATAL_ERROR "LLDB_BUILD_FRAMEWORK is not supported on CMake < 3.8")
-  endif()
 
   set(LLDB_FRAMEWORK_VERSION A CACHE STRING "LLDB.framework version (default is A)")
   set(LLDB_FRAMEWORK_BUILD_DIR bin CACHE STRING "Output directory for LLDB.framework")