Fix linux build

2 files changed, 8 insertions, 6 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 04dc37e..5380cde 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,6 +7,8 @@ if(UNIX)
     include_directories(${X11_xcb_INCLUDE_PATH})
 endif()
 
+set(LIBRARIES imgui::imgui)
+
 add_executable(
     path-tracer
     main.cpp
@@ -22,10 +24,8 @@ add_executable(
     window.cpp
 )
 
-target_link_libraries(path-tracer PRIVATE imgui::imgui)
-
 if(UNIX)
-    target_link_libraries(path-tracer ${CMAKE_DL_LIBS} ${X11_xcb_LIB})
-    target_link_libraries(path-tracer ${CMAKE_DL_LIBS} ${X11_xkbcommon_LIB})
-    target_link_libraries(path-tracer ${CMAKE_DL_LIBS} ${X11_xkbcommon_X11_LIB})
+    list(APPEND LIBRARIES ${CMAKE_DL_LIBS} ${X11_xcb_LIB} ${X11_xkbcommon_LIB} ${X11_xkbcommon_X11_LIB})
 endif()
+
+target_link_libraries(path-tracer PRIVATE ${LIBRARIES})
diff --git a/src/vk-renderer.cpp b/src/vk-renderer.cpp
index 0584ecf..7808f3f 100644
--- a/src/vk-renderer.cpp
+++ b/src/vk-renderer.cpp
@@ -2,6 +2,8 @@
 #include <cstring>
 #include <cassert>
 
+#include <functional>
+
 #include "imgui.h"
 #include "vk-renderer.hpp"
 #include "thirdparty/vk_mem_alloc.h"
@@ -355,7 +357,7 @@ void vkrenderer::recreate_swapchain() {
         platform_surface,
         min_swapchain_image_count,
         VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,
-        std::optional<std::reference_wrapper<Swapchain>> { swapchain }
+        std::optional<std::reference_wrapper<Swapchain>> { std::ref(swapchain) }
     );
 
     api.destroy_images(accumulation_images);