diff --git a/cmake/cflags-generic.cmake b/cmake/cflags-generic.cmake
index 6bc60502..28a05493 100644
--- a/cmake/cflags-generic.cmake
+++ b/cmake/cflags-generic.cmake
@@ -36,6 +36,12 @@ if(NETBSD)
     set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -DHAVE_BUILTIN_POPCOUNT")
 endif()
 
+if(MACOSX)
+    # Boost headers cause such complains on MacOS
+    set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-deprecated-declarations -Wno-unused-parameter")
+    set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-deprecated-declarations -Wno-unused-parameter")
+endif()
+
 # these end up in the config file
 CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAS_C_HIDDEN)
 CHECK_CXX_COMPILER_FLAG(-fvisibility=hidden HAS_CXX_HIDDEN)
diff --git a/cmake/osdetection.cmake b/cmake/osdetection.cmake
index 2cef0b94..96083baf 100644
--- a/cmake/osdetection.cmake
+++ b/cmake/osdetection.cmake
@@ -17,6 +17,10 @@ if(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
     set(NETBSD true)
 endif(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
 
+if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    set(MACOSX TRUE)
+endif()
+
 if (ARCH_IA32 OR ARCH_X86_64)
   option(FAT_RUNTIME "Build a library that supports multiple microarchitectures" ON)
 else()