From 4419f722183cd390f09200a1a58162653fd97453 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Tue, 18 Jan 2022 00:45:17 -0500
Subject: [PATCH] devendor libraries

---
 CMakeLists.txt  | 67 +++++++++++++++++++++++++++++++------------------
 src/audio/sdl.h |  2 +-
 2 files changed, 43 insertions(+), 26 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 80026f41..8b0e5f13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,39 +13,52 @@ else()
   set(BUILD_GUI ON)
 endif()
 
-add_subdirectory(extern/fmt)
+option(DEVENDOR_LIBRARIES "Use local versions of dependencies instead of the ones provided by submodules" OFF)
 
-set(BUILD_TESTING OFF CACHE BOOL "aaaaaa" FORCE)
-set(BUILD_PROGRAMS OFF CACHE BOOL "aaa" FORCE)
-set(BUILD_EXAMPLES OFF CACHE BOOL "a" FORCE)
-set(ENABLE_EXTERNAL_LIBS OFF CACHE BOOL "come on" FORCE)
-set(ENABLE_MPEG OFF CACHE BOOL "come on" FORCE)
-add_subdirectory(extern/libsndfile)
-add_subdirectory(extern/zlib)
+if (NOT DEVENDOR_LIBRARIES)
+  add_subdirectory(extern/fmt)
+endif()
 
-include_directories(extern/zlib ${CMAKE_CURRENT_BINARY_DIR}/extern/zlib)
+if (NOT DEVENDOR_LIBRARIES)
+  set(BUILD_TESTING OFF CACHE BOOL "aaaaaa" FORCE)
+  set(BUILD_PROGRAMS OFF CACHE BOOL "aaa" FORCE)
+  set(BUILD_EXAMPLES OFF CACHE BOOL "a" FORCE)
+  set(ENABLE_EXTERNAL_LIBS OFF CACHE BOOL "come on" FORCE)
+  set(ENABLE_MPEG OFF CACHE BOOL "come on" FORCE)
+  add_subdirectory(extern/libsndfile)
+  add_subdirectory(extern/zlib)
 
-if (WIN32)
-  set(SDL_SHARED OFF)
-  set(SDL_STATIC ON)
-  add_subdirectory(extern/SDL)
-  set(HAVE_SDL2 SDL2-static)
-  set(HAVE_Z zlibstatic)
-  include_directories(extern/SDL/include extern/imgui extern/IconFontCppHeaders extern/imgui/backends extern/igfd extern/fmt/include)
+  include_directories(extern/zlib ${CMAKE_CURRENT_BINARY_DIR}/extern/zlib)
+endif()
+
+if (DEVENDOR_LIBRARIES)
+  find_package(SDL REQUIRED)
+  set(HAVE_SDL2 ${SDL_LIBRARY})
+  include_directories(extern/imgui extern/IconFontCppHeaders extern/imgui/backends extern/igfd ${SDL_INCLUDE_DIR})
+  find_library(HAVE_JACK jack)
 else()
-  if (BUILD_GUI)
-    set(SDL_SHARED ON)
+  if (WIN32)
+    set(SDL_SHARED OFF)
+    set(SDL_STATIC ON)
     add_subdirectory(extern/SDL)
-    include_directories(extern/SDL/include extern/imgui extern/IconFontCppHeaders extern/imgui/backends extern/igfd extern/fmt/include)
     set(HAVE_SDL2 SDL2-static)
+    set(HAVE_Z zlibstatic)
+    include_directories(extern/SDL/include extern/imgui extern/IconFontCppHeaders extern/imgui/backends extern/igfd extern/fmt/include)
   else()
-    find_library(HAVE_SDL2 SDL2)
+    if (BUILD_GUI)
+      set(SDL_SHARED ON)
+      add_subdirectory(extern/SDL)
+      include_directories(extern/SDL/include extern/imgui extern/IconFontCppHeaders extern/imgui/backends extern/igfd extern/fmt/include)
+      set(HAVE_SDL2 SDL2-static)
+    else()
+      find_library(HAVE_SDL2 SDL2)
+    endif()
+    if (NOT APPLE)
+      find_library(HAVE_JACK jack)
+    endif()
+    find_library(HAVE_SNDFILE sndfile)
+    set(HAVE_Z zlibstatic)
   endif()
-  if (NOT APPLE)
-    find_library(HAVE_JACK jack)
-  endif()
-  find_library(HAVE_SNDFILE sndfile)
-  set(HAVE_Z zlibstatic)
 endif()
 
 set(AUDIO_SOURCES src/audio/abstract.cpp)
@@ -154,6 +167,10 @@ else()
   add_executable(furnace ${ENGINE_SOURCES} ${AUDIO_SOURCES} src/main.cpp)
 endif()
 
+if (DEVENDOR_LIBRARIES)
+  target_compile_definitions(furnace PUBLIC DEVENDOR_LIBRARIES)
+endif()
+
 target_link_libraries(furnace ${HAVE_SDL2} ${HAVE_Z} sndfile fmt)
 
 if (HAVE_JACK)
diff --git a/src/audio/sdl.h b/src/audio/sdl.h
index a9296fd4..6b296855 100644
--- a/src/audio/sdl.h
+++ b/src/audio/sdl.h
@@ -1,5 +1,5 @@
 #include "taAudio.h"
-#if defined(_WIN32) || defined(HAVE_GUI)
+#if (defined(_WIN32) || defined(HAVE_GUI)) && !defined(DEVENDOR_LIBRARIES)
 #include <SDL.h>
 #else
 #include <SDL2/SDL.h>