Add i_threads.h too

src/CMakeLists.txt

@@ -472,6 +472,12 @@ if(${SRB2_CONFIG_HAVE_CURL})
 	endif()
 endif()
 
+if(${SRB2_CONFIG_HAVE_THREADS})
+	set(SRB2_HAVE_THREADS ON)
+	set(SRB2_CORE_HEADERS ${SRB2_CORE_HEADERS} ${CMAKE_CURRENT_SOURCE_DIR}/i_threads.h)
+	add_definitions(-DHAVE_THREADS)
+endif()
+
 if(${SRB2_CONFIG_HWRENDER})
 	add_definitions(-DHWRENDER)
 	set(SRB2_HWRENDER_SOURCES

src/sdl/CMakeLists.txt

@@ -56,9 +56,7 @@ set(SRB2_SDL2_HEADERS
 )
 
 if(${SRB2_CONFIG_HAVE_THREADS})
-	set(SRB2_HAVE_THREADS ON)
 	set(SRB2_SDL2_SOURCES ${SRB2_SDL2_SOURCES} i_threads.c)
-	add_definitions(-DHAVE_THREADS)
 endif()
 
 source_group("Interface Code" FILES ${SRB2_SDL2_SOURCES} ${SRB2_SDL2_HEADERS})