[TSAR, CMake] Apply patch to LLVM to build it on OS Windows.

Author: kaniandr

CMakeLists.txt

@@ -61,7 +61,7 @@ endif()
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${BCL_CMAKE_MODULE_PATH})
 
 # Minimum LLVM version which is necessary to build TSAR.
-set(LLVM_MIN_VERSION 11.0)
+set(LLVM_MIN_VERSION 15.0)
 
 include(CMakeDependentOption)
 include(BCLCompilerOptions)
@@ -205,6 +205,11 @@ else()
       FOLDER Misc
       RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/${TSAR_LIBRARY_PATH}")
   endif()
+  if (MSVC)
+    include(BCLPatch)
+    bcl_patch(PATCHFILE ${PROJECT_SOURCE_DIR}/patches/llvm-${LLVM_VERSION_MAJOR}.patch
+      TARGET ${LLVM_PROJECT_DIR} "" IGNORE "" PATCH_OPTIONS -p0)
+  endif()
   sapfor_install_llvm()
 endif(PACKAGE_LLVM)