--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,6 @@
     string(TOUPPER ${CMAKE_BUILD_TYPE} BUILD_TYPE_UC)
 endif()
 
-find_package(Git)
 if(Git_FOUND)
     execute_process(
         COMMAND ${GIT_EXECUTABLE} status
@@ -159,47 +158,15 @@
 # LUA
 ################################
 
-set(LUA_DIR ${THIRDPARTY_DIR}/lua)
-set(LUA_SRC
-    ${LUA_DIR}/lapi.c
-    ${LUA_DIR}/lcode.c
-    ${LUA_DIR}/lctype.c
-    ${LUA_DIR}/ldebug.c
-    ${LUA_DIR}/ldo.c
-    ${LUA_DIR}/ldump.c
-    ${LUA_DIR}/lfunc.c
-    ${LUA_DIR}/lgc.c
-    ${LUA_DIR}/llex.c
-    ${LUA_DIR}/lmem.c
-    ${LUA_DIR}/lobject.c
-    ${LUA_DIR}/lopcodes.c
-    ${LUA_DIR}/lparser.c
-    ${LUA_DIR}/lstate.c
-    ${LUA_DIR}/lstring.c
-    ${LUA_DIR}/ltable.c
-    ${LUA_DIR}/ltm.c
-    ${LUA_DIR}/lundump.c
-    ${LUA_DIR}/lvm.c
-    ${LUA_DIR}/lzio.c
-    ${LUA_DIR}/lauxlib.c
-    ${LUA_DIR}/lbaselib.c
-    ${LUA_DIR}/lcorolib.c
-    ${LUA_DIR}/ldblib.c
-    ${LUA_DIR}/liolib.c
-    ${LUA_DIR}/lmathlib.c
-    ${LUA_DIR}/loslib.c
-    ${LUA_DIR}/lstrlib.c
-    ${LUA_DIR}/ltablib.c
-    ${LUA_DIR}/lutf8lib.c
-    ${LUA_DIR}/loadlib.c
-    ${LUA_DIR}/linit.c
-)
+# FIXME
+find_package(PkgConfig)
+pkg_check_modules(Lua REQUIRED lua5.3 IMPORTED_TARGET GLOBAL)
+add_library(Lua::Lua ALIAS PkgConfig::Lua)
+set(LUA_INCLUDE_DIR "/usr/include/lua5.3")
+set(LUA_LIBRARIES "/usr/lib/lua5.3")
+include_directories(${LUA_INCLUDE_DIR})
+link_directories(${LUA_LIBRARIES})
 
-add_library(lua STATIC ${LUA_SRC})
-
-target_compile_definitions(lua PRIVATE LUA_COMPAT_5_2)
-target_include_directories(lua INTERFACE ${THIRDPARTY_DIR}/lua)
-
 if(N3DS)
     target_compile_definitions(lua PUBLIC LUA_32BITS)
 endif()
@@ -374,20 +341,7 @@
 # GIFLIB
 ################################
 
-set(GIFLIB_DIR ${THIRDPARTY_DIR}/giflib)
-set(GIFLIB_SRC
-    ${GIFLIB_DIR}/dgif_lib.c
-    ${GIFLIB_DIR}/egif_lib.c
-    ${GIFLIB_DIR}/gif_err.c
-    ${GIFLIB_DIR}/gif_font.c
-    ${GIFLIB_DIR}/gif_hash.c
-    ${GIFLIB_DIR}/gifalloc.c
-    ${GIFLIB_DIR}/openbsd-reallocarray.c
-)
-add_library(giflib STATIC ${GIFLIB_SRC})
-target_include_directories(giflib
-    PRIVATE ${GIFLIB_DIR}
-    INTERFACE ${THIRDPARTY_DIR}/giflib)
+find_package(GIF)
 
 ################################
 # Blipbuf
@@ -444,6 +398,7 @@
             ${CMAKE_SOURCE_DIR}/include
             ${CMAKE_SOURCE_DIR}/src)
 
+
     target_link_libraries(tic80core${SCRIPT}
         lua 
         lpeg 
@@ -452,7 +407,7 @@
         squirrel 
         duktape 
         blipbuf 
-        zlib
+        z
     )
 
     if(BUILD_WITH_MRUBY)
@@ -461,7 +416,7 @@
 
     if(${BUILD_DEPRECATED})
         target_compile_definitions(tic80core${SCRIPT} PRIVATE BUILD_DEPRECATED)
-        target_link_libraries(tic80core${SCRIPT} giflib)
+        target_link_libraries(tic80core${SCRIPT} gif)
     endif()
 
     if(LINUX)
@@ -507,10 +462,10 @@
         set(SDL_STATIC_PIC ON CACHE BOOL "" FORCE)
     endif()
 
-    set(SDL_SHARED OFF CACHE BOOL "" FORCE)
+    find_package(SDL2)
+    set(SDL2_INCLUDE_DIR "/usr/include/SDL2")
+    include_directories(${SDL2_INCLUDE_DIR})
 
-    add_subdirectory(${THIRDPARTY_DIR}/sdl2)
-
 endif()
 
 ################################
@@ -531,7 +486,7 @@
         target_link_options(player-sdl PRIVATE -static)
     endif()
 
-    target_link_libraries(player-sdl tic80core SDL2-static SDL2main)
+    target_link_libraries(player-sdl tic80core SDL2 SDL2main)
 endif()
 
 ################################
@@ -659,30 +614,8 @@
 
 if (NOT N3DS)
 
-set(ZLIB_DIR ${THIRDPARTY_DIR}/zlib)
-set(ZLIB_SRC
-    ${ZLIB_DIR}/adler32.c
-    ${ZLIB_DIR}/compress.c
-    ${ZLIB_DIR}/crc32.c
-    ${ZLIB_DIR}/deflate.c
-    ${ZLIB_DIR}/inflate.c
-    ${ZLIB_DIR}/infback.c
-    ${ZLIB_DIR}/inftrees.c
-    ${ZLIB_DIR}/inffast.c
-    ${ZLIB_DIR}/trees.c
-    ${ZLIB_DIR}/uncompr.c
-    ${ZLIB_DIR}/zutil.c
-)
+find_package(ZLIB)
 
-add_library(zlib STATIC ${ZLIB_SRC})
-target_include_directories(zlib INTERFACE ${THIRDPARTY_DIR}/zlib)
-
-else ()
-
-add_library(zlib STATIC IMPORTED)
-set_target_properties( zlib PROPERTIES IMPORTED_LOCATION ${DEVKITPRO}/portlibs/3ds/lib/libz.a )
-target_include_directories(zlib INTERFACE ${DEVKITPRO}/portlibs/3ds/include)
-
 endif ()
 
 ################################
@@ -713,7 +646,7 @@
     target_link_libraries(wasmp2cart tic80core)
 
     add_executable(bin2txt ${TOOLS_DIR}/bin2txt.c)
-    target_link_libraries(bin2txt zlib)
+    target_link_libraries(bin2txt z)
 
     add_executable(xplode
         ${TOOLS_DIR}/xplode.c
@@ -722,7 +655,7 @@
         ${CMAKE_SOURCE_DIR}/src/studio/project.c)
 
     target_include_directories(xplode PRIVATE ${CMAKE_SOURCE_DIR}/src ${CMAKE_SOURCE_DIR}/include)
-    target_link_libraries(xplode tic80core png giflib)
+    target_link_libraries(xplode tic80core png gif)
 
     if(LINUX)
         target_link_libraries(xplode m)
@@ -804,7 +737,8 @@
 ################################
 
 if(USE_LIBUV)
-    add_subdirectory(${THIRDPARTY_DIR}/libuv)
+    pkg_check_modules(libuv REQUIRED libuv IMPORTED_TARGET GLOBAL)
+    add_library(libuv:libuv ALIAS PkgConfig::libuv)
 endif()
 
 ################################
@@ -812,44 +746,16 @@
 ################################
 
 if(USE_LIBUV)
-    add_library(http_parser STATIC ${THIRDPARTY_DIR}/http-parser/http_parser.c)
-    target_include_directories(http_parser INTERFACE ${THIRDPARTY_DIR}/http-parser)
+    set(HTTP_PARSER_INCLUDE_DIR "/usr/include")
+    set(HTTP_PARSER_LIBRARIES "/usr/lib/libhttp_parser.so")
 endif()
 
 ################################
 # PNG
 ################################
 
-set(LIBPNG_DIR ${THIRDPARTY_DIR}/libpng)
-set(LIBPNG_SRC
-    ${LIBPNG_DIR}/png.c
-    ${LIBPNG_DIR}/pngerror.c
-    ${LIBPNG_DIR}/pngget.c
-    ${LIBPNG_DIR}/pngmem.c
-    ${LIBPNG_DIR}/pngpread.c
-    ${LIBPNG_DIR}/pngread.c
-    ${LIBPNG_DIR}/pngrio.c
-    ${LIBPNG_DIR}/pngrtran.c
-    ${LIBPNG_DIR}/pngrutil.c
-    ${LIBPNG_DIR}/pngset.c
-    ${LIBPNG_DIR}/pngtrans.c
-    ${LIBPNG_DIR}/pngwio.c
-    ${LIBPNG_DIR}/pngwrite.c
-    ${LIBPNG_DIR}/pngwtran.c
-    ${LIBPNG_DIR}/pngwutil.c
-)
+find_package(PNG)
 
-configure_file(${LIBPNG_DIR}/scripts/pnglibconf.h.prebuilt ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
-
-add_library(png STATIC ${LIBPNG_SRC})
-
-target_compile_definitions(png PRIVATE PNG_ARM_NEON_OPT=0)
-
-target_include_directories(png
-    PUBLIC ${CMAKE_CURRENT_BINARY_DIR}
-    PRIVATE ${THIRDPARTY_DIR}/zlib
-    INTERFACE ${THIRDPARTY_DIR}/libpng)
-
 ################################
 # TIC-80 studio
 ################################
@@ -896,11 +802,11 @@
 
 target_include_directories(tic80studio PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 
-target_link_libraries(tic80studio tic80core zip wave_writer argparse giflib png)
+target_link_libraries(tic80studio tic80core zip wave_writer argparse gif png)
 
 if(USE_LIBUV)
     target_compile_definitions(tic80studio PRIVATE USE_LIBUV)
-    target_link_libraries(tic80studio uv_a http_parser)
+    target_link_libraries(tic80studio uv http_parser)
 endif()
 
 if(BUILD_PRO)
@@ -982,7 +888,7 @@
 endif()
 
 if(NOT EMSCRIPTEN)
-    target_link_libraries(sdlgpu SDL2-static)
+    target_link_libraries(sdlgpu SDL2)
 endif()
 
 endif()
@@ -1050,7 +956,7 @@
         elseif(RPI)
             target_link_libraries(tic80 libSDL2.a bcm_host)
         else()
-            target_link_libraries(tic80 SDL2-static)
+            target_link_libraries(tic80 SDL2)
         endif()
     endif()
 
@@ -1199,7 +1105,7 @@
             elseif(RPI)
                 target_link_libraries(tic80${SCRIPT} libSDL2.a bcm_host pthread dl)
             else()
-                target_link_libraries(tic80${SCRIPT} SDL2-static)
+                target_link_libraries(tic80${SCRIPT} SDL2)
             endif()
         endif()