CMake: Fix Boost static dependencies check

CMakeLists.txt

@@ -1,10 +1,5 @@
 cmake_minimum_required(VERSION 2.8...3.31)
 
-# CMake 30
-if(POLICY CMP0167)
-	cmake_policy(SET CMP0167 OLD)
-endif()
-
 if(CMAKE_VERSION VERSION_LESS 3.12)
 	cmake_policy(VERSION ${CMAKE_VERSION})
 endif()

cmake/UseStaticLibs.cmake

@@ -52,6 +52,13 @@ macro(has_static_libs PREFIX LIBS)
 	else()
 		set(${PREFIX}_HAS_STATIC_LIBS 0)
 		foreach(lib IN LISTS ${LIBS})
+			if(TARGET ${lib})
+				get_target_property(target_type ${lib} TYPE)
+				if(target_type STREQUAL STATIC_LIBRARY)
+					set(${PREFIX}_HAS_STATIC_LIBS 1)
+					break()
+				endif()
+			endif()
 			if(lib MATCHES "\\.a$")
 				set(${PREFIX}_HAS_STATIC_LIBS 1)
 				break()