Description: Builds against system libs instead of the bundled ones
 Should be rewritten properly, But It Works
Forwarded: not-needed
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -12,6 +12,10 @@
 	target_compile_definitions(code PUBLIC "PDB_DEBUGGING=1")
 endif(MSVC)
 
+INCLUDE_DIRECTORIES("/usr/include/antlr4-runtime/")
+INCLUDE_DIRECTORIES("/usr/include/lua5.1/")
+INCLUDE_DIRECTORIES("/usr/include/SDL2/")
+INCLUDE_DIRECTORIES("/usr/include/imgui/")
 TARGET_INCLUDE_DIRECTORIES(code PUBLIC ${CODE_HEADERS})
 TARGET_INCLUDE_DIRECTORIES(code PUBLIC ${FREESPACE_HEADERS})
 
@@ -30,26 +34,22 @@
 endif()
 
 TARGET_LINK_LIBRARIES(code PUBLIC openal)
-TARGET_LINK_LIBRARIES(code PUBLIC ${LUA_LIBS})
-TARGET_LINK_LIBRARIES(code PUBLIC ${PNG_LIBS})
-TARGET_LINK_LIBRARIES(code PUBLIC ${JPEG_LIBS})
+TARGET_LINK_LIBRARIES(code PUBLIC lua5.1)
+TARGET_LINK_LIBRARIES(code PUBLIC png)
+TARGET_LINK_LIBRARIES(code PUBLIC jpeg)
 TARGET_LINK_LIBRARIES(code PUBLIC lz4)
 
-TARGET_LINK_LIBRARIES(code PUBLIC sdl2)
+TARGET_LINK_LIBRARIES(code PUBLIC SDL2)
 
 if (FSO_BUILD_WITH_FFMPEG)
 	TARGET_LINK_LIBRARIES(code PUBLIC ffmpeg)
 endif()
 
-TARGET_LINK_LIBRARIES(code PUBLIC utfcpp)
-
 TARGET_LINK_LIBRARIES(code PUBLIC platform)
 TARGET_LINK_LIBRARIES(code PUBLIC compiler)
 
 target_link_libraries(code PUBLIC md5)
 
-target_link_libraries(code PUBLIC discord-rpc)
-
 target_link_libraries(code PUBLIC libRocket)
 
 target_link_libraries(code PUBLIC pcp)
@@ -75,10 +75,12 @@
 
 target_link_libraries(code PUBLIC anl)
 
-target_link_libraries(code PUBLIC hidapi::hidapi)
+target_link_libraries(code PUBLIC hidapi-hidraw)
 
 target_link_libraries(code PUBLIC imgui)
 
+target_link_libraries(code PUBLIC stb)
+
 IF(NOT APPLE)
 	target_link_libraries(code PUBLIC OpenXR::openxr_loader)
 	target_include_directories(code PUBLIC OpenXR::Headers)
--- a/code/source_groups.cmake
+++ b/code/source_groups.cmake
@@ -522,8 +522,6 @@
 	graphics/paths/nanovg/fontstash.h
 	graphics/paths/nanovg/nanovg.c
 	graphics/paths/nanovg/nanovg.h
-	graphics/paths/nanovg/stb_image.h
-	graphics/paths/nanovg/stb_truetype.h
 )
 
 # Graphics -> SoftwareGr files
--- a/freespace2/CMakeLists.txt
+++ b/freespace2/CMakeLists.txt
@@ -1,4 +1,7 @@
 
+INCLUDE_DIRECTORIES("/usr/include/lua5.1/")
+INCLUDE_DIRECTORIES("/usr/include/SDL2/")
+INCLUDE_DIRECTORIES("/usr/include/imgui/")
 
 SET(FREESPACE_SRC freespace.cpp
 				levelpaging.cpp
@@ -68,6 +71,7 @@ enable_clang_tidy(Freespace2)
 INCLUDE(util)
 COPY_FILES_TO_TARGET(Freespace2)
 
+cmake_policy(SET CMP0026 OLD)
 include(CreateLaunchers)
 create_target_launcher(Freespace2
 	WORKING_DIRECTORY ${FSO_FREESPACE_PATH}
--- a/parsers/CMakeLists.txt
+++ b/parsers/CMakeLists.txt
@@ -32,7 +32,7 @@
 
 add_library(parsers STATIC)
 
-target_link_libraries(parsers PUBLIC antlr4_static)
+target_link_libraries(parsers PUBLIC antlr4-runtime)
 
 find_package(ANTLR)
 
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,23 +1,12 @@
 
 include(prebuilt.cmake)
 
-ADD_SUBDIRECTORY(libjpeg)
-
-ADD_SUBDIRECTORY(zlib)
-
-ADD_SUBDIRECTORY(libpng)
-
-ADD_SUBDIRECTORY(lua)
-
 include(OpenAL.cmake)
 
 if (FSO_BUILD_WITH_OPENGL)
 	add_subdirectory(opengl)
 endif()
 
-ADD_SUBDIRECTORY(libsdl)
-
-ADD_SUBDIRECTORY(jansson)
 # These are only required for the web-ui which is non-Windows
 IF(UNIX)
 	ADD_SUBDIRECTORY(mongoose)
@@ -25,22 +14,16 @@
 
 add_subdirectory(md5)
 
-add_subdirectory(utfcpp)
-
 include(freetype.cmake)
 
 if (FSO_BUILD_WITH_FFMPEG)
 	include(FFmpeg.cmake)
 endif()
 
-add_subdirectory(discord)
-
 include(libRocket.cmake)
 
 add_subdirectory(libpcp)
 
-include(antlr4.cmake)
-
 include(vulkan.cmake)
 
 add_subdirectory(mdns)
@@ -53,14 +36,6 @@
 
 add_subdirectory(optional)
 
-ADD_SUBDIRECTORY(lz4)
-
-set(HIDAPI_WITH_LIBUSB OFF)
-set(HIDAPI_WITH_HIDRAW ON)
-add_subdirectory(hidapi)
-
-ADD_SUBDIRECTORY(imgui)
-
 if(NOT APPLE)
 	add_subdirectory(openxr)
 endif()
\ Pas de fin de ligne à la fin du fichier
--- a/lib/libRocket.cmake
+++ b/lib/libRocket.cmake
@@ -2,6 +2,7 @@
 # Build script for libRocket =======
 #===================================
 
+INCLUDE_DIRECTORIES("/usr/include/lua5.1/")
 set(LIBROCKET_DIR "${CMAKE_CURRENT_SOURCE_DIR}/libRocket")
 
 if(COMMAND cmake_policy)