FIX: boost build on macos

Change-Id: I9ac1f05b93581f5c88cec12291049e77f441cb8b
(cherry picked from commit ebe0a67ffc578035510c3f231a085bd8ebe5b787)

deps/Boost/Boost.cmake

@@ -35,6 +35,8 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
 elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     if (WIN32)
         set(_boost_toolset "clang-win")
+    elseif (APPLE)
+        set(_boost_toolset "clang")
     else()
         set(_boost_toolset clang)
         configure_file(${CMAKE_CURRENT_LIST_DIR}/user-config.jam boost-user-config.jam)
@@ -122,33 +124,19 @@ set(_build_cmd ${_build_cmd}
 
 set(_install_cmd ${_build_cmd} --prefix=${_prefix} install)
 
+list(APPEND _patch_command COMMAND git init && ${PATCH_CMD} ${CMAKE_CURRENT_LIST_DIR}/0001-Boost-fix.patch)
 
-if (MSVC)
 ExternalProject_Add(
     dep_Boost
     URL "https://boostorg.jfrog.io/artifactory/main/release/1.78.0/source/boost_1_78_0.zip"
     URL_HASH SHA256=f22143b5528e081123c3c5ed437e92f648fe69748e95fa6e2bd41484e2986cc3
     DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/Boost
     CONFIGURE_COMMAND "${_bootstrap_cmd}"
     PATCH_COMMAND ${_patch_command}
-    PATCH_COMMAND git init && ${PATCH_CMD} ${CMAKE_CURRENT_LIST_DIR}/0001-Boost-fix.patch
     BUILD_COMMAND "${_build_cmd}"
     BUILD_IN_SOURCE    ON
     INSTALL_COMMAND "${_install_cmd}"
 )
-else ()
-ExternalProject_Add(
-    dep_Boost
-    URL "https://boostorg.jfrog.io/artifactory/main/release/1.78.0/source/boost_1_78_0.zip"
-    URL_HASH SHA256=f22143b5528e081123c3c5ed437e92f648fe69748e95fa6e2bd41484e2986cc3
-    DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/Boost
-    CONFIGURE_COMMAND "${_bootstrap_cmd}"
-    PATCH_COMMAND ${_patch_command} && git init && ${PATCH_CMD} ${CMAKE_CURRENT_LIST_DIR}/0001-Boost-fix.patch
-    BUILD_COMMAND "${_build_cmd}"
-    BUILD_IN_SOURCE    ON
-    INSTALL_COMMAND "${_install_cmd}"
-)
-endif ()
 
 if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
     # Patch the boost::polygon library with a custom one.