Raise minimum CMake version to 3.5

For compatibility with CMake 4.0, which also removes CMP0043 OLD - there
are no uses of COMPILE_DEFINITIONS_<CONFIG>.

Signed-off-by: Chris Mayo <aklhfex@gmail.com>

Author: cjmayo

IGC/MDAutogen/CMakeLists.txt

@@ -6,7 +6,7 @@
 #
 #============================ end_copyright_notice =============================
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.5)
 
 set(_autogenScript "${IGC_SOURCE_DIR}/common/autogen.py")
 set(_autogenSource "${IGC_SOURCE_DIR}/common/MDFrameWork.h")

external/SPIRV-Tools/CMakeLists.txt

@@ -6,7 +6,7 @@
 #
 #============================ end_copyright_notice =============================
 
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.5)
 
 message(STATUS "============================ SPIRV-Tools project ============================")
 

visa/CMakeLists.txt

@@ -74,12 +74,7 @@ if (WIN32 OR UNIX)
   add_subdirectory(iga/IGAExe)
 endif (WIN32 OR UNIX)
 
-if(WIN32)
-  cmake_minimum_required(VERSION 3.1)
-  cmake_policy(SET CMP0043 OLD)
-else()
-  cmake_minimum_required(VERSION 2.8.12)
-endif(WIN32)
+cmake_minimum_required(VERSION 3.5)
 
 # In the case where this is the IGC build we need to add a dummy custom target check_headers
 add_custom_target(check_headers)

visa/iga/GEDLibrary/GED_external/CMakeLists.txt

@@ -7,11 +7,7 @@
 #============================ end_copyright_notice =============================
 
 # GEDLibrary/GED
-if(WIN32)
-    cmake_minimum_required(VERSION 3.1)
-else()
-    cmake_minimum_required(VERSION 2.8.12)
-endif(WIN32)
+cmake_minimum_required(VERSION 3.5)
 
 project(GEDLibrary)