【FreeBSD】Patch from Quist to fix FreeBSD build

CMakeLists.txt

@@ -86,6 +86,12 @@ if (CMAKE_SYSTEM_NAME STREQUAL Linux)
 endif()
 if (UNIX AND NOT APPLE AND NOT PLATFORM_LINUX)
   set(PLATFORM_FREEBSD TRUE)
+  find_package(ALSA REQUIRED)
+  link_directories(/usr/local/lib)
+endif()
+
+if (UNIX AND NOT APPLE AND NOT ANDROID)
+    find_package(X11 REQUIRED)
 endif()
 # TinyFileDialogs
 if ((NOT IOS) AND (NOT EMSCRIPTEN) AND (NOT ANDROID) AND (NOT PLATFORM_LINUX) AND (NOT PLATFORM_FREEBSD))
@@ -188,8 +194,12 @@ if(MACOS OR IOS)
 else()
     add_library(sokol STATIC src/sokol/sokol.c ${SOKOL_HEADERS})
     set_property(TARGET sokol PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded")
+    if (UNIX AND NOT APPLE AND NOT ANDROID)
+        target_include_directories(sokol PRIVATE "${X11_INCLUDE_DIR}")
+        target_link_libraries(sokol INTERFACE ${X11_X11_LIB} ${X11_Xi_LIB} ${X11_Xcursor_LIB} OpenGL::OpenGL dl)
+    endif()
     if (CMAKE_SYSTEM_NAME STREQUAL Linux)
-        target_link_libraries(sokol INTERFACE X11 Xi Xcursor GL dl m)
+        target_link_libraries(sokol INTERFACE m)
         target_link_libraries(sokol PUBLIC Threads::Threads)
     endif()
 endif()