add_library(gmod_headers INTERFACE)
target_include_directories(gmod_headers INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/third_party/gmod_headers/include)

# Originally from facepunch cmake build system, modified to be slightly less painful
function(set_gmod_suffix_prefix library)
	set_target_properties(${library} PROPERTIES PREFIX "gmsv_")
	if(APPLE)
		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
			set_target_properties(${library} PROPERTIES SUFFIX "_osx.dll")
		else()
			set_target_properties(${library} PROPERTIES SUFFIX "_osx64.dll")
		endif()
	elseif(UNIX)
		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
			set_target_properties(${library} PROPERTIES SUFFIX "_linux.dll")
		else()
			set_target_properties(${library} PROPERTIES SUFFIX "_linux64.dll")
		endif()
	elseif(WIN32)
		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
			set_target_properties(${library} PROPERTIES SUFFIX "_win32.dll")
		else()
			set_target_properties(${library} PROPERTIES SUFFIX "_win64.dll")
		endif()
	endif()
endfunction()