CMake and Boost 1.66

* Inline Boost cmake to allow for boost 1.66

* added custom flag -DBOOST_CUSTOM to use in source FindBoost.cmake

CMakeLists.txt

@@ -14,7 +14,7 @@ set (RAIBLOCKS_TEST OFF CACHE BOOL "")
 option(RAIBLOCKS_ASAN_INT "Enable ASan+UBSan+Integer overflow" OFF)
 option(RAIBLOCKS_ASAN "Enable ASan+UBSan" OFF)
 option(RAIBLOCKS_SIMD_OPTIMIZATIONS "Enable CPU-specific SIMD optimizations (SSE/AVX or NEON, e.g.)" OFF)
-
+set (BOOST_CUSTOM OFF CACHE BOOL "")
 
 if(NOT CMAKE_BUILD_TYPE)
 	set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
@@ -102,6 +102,11 @@ include_directories (${CMAKE_SOURCE_DIR})
 
 set(Boost_USE_STATIC_LIBS        ON)
 set(Boost_USE_MULTITHREADED      ON)
+
+if (BOOST_CUSTOM)
+    list(APPEND CMAKE_MODULE_PATH ".\\" ${CMAKE_SOURCE_PATH})
+endif (BOOST_CUSTOM)
+
 find_package (Boost 1.66.0 REQUIRED COMPONENTS date_time filesystem system log log_setup thread program_options regex chrono atomic)
 include_directories (${Boost_INCLUDE_DIR})