From 0c7ff7a068958d2c23a8f362763cb22d34f32371 Mon Sep 17 00:00:00 2001
From: ladevieq <ladevie.quentin@gmail.com>
Date: Mon, 17 Aug 2026 02:21:19 +0200
Subject: Put libraries source file in a separate compilation unit

---
 build.bat    | 16 ++++++++++++----
 src/libs.cpp | 17 +++++++++++++++++
 2 files changed, 29 insertions(+), 4 deletions(-)
 create mode 100644 src/libs.cpp

diff --git a/build.bat b/build.bat
index b6d3810..7a8be5c 100644
--- a/build.bat
+++ b/build.bat
@@ -11,10 +11,12 @@ if "%release%"=="0" (
 )
 
 :: clean directory
-IF EXIST %BUILD_DIR% rmdir %BUILD_DIR%\ /S /Q
+if "%clean%"=="1" (
+    IF EXIST %BUILD_DIR% rmdir %BUILD_DIR%\ /S /Q
 
-IF NOT EXIST %BUILD_DIR% mkdir %BUILD_DIR%
-IF NOT EXIST %BUILD_DIR%\shaders mkdir %BUILD_DIR%\shaders
+    IF NOT EXIST %BUILD_DIR% mkdir %BUILD_DIR%
+    IF NOT EXIST %BUILD_DIR%\shaders mkdir %BUILD_DIR%\shaders
+)
 
 
 set MSVC=1
@@ -82,6 +84,12 @@ if 0 EQU 1 (
 :: link multiple objs
 :: link %L_FLAGS% /OUT:%BUILD_DIR%\main.exe %OBJS% kernel32.lib user32.lib
 
+:: compiles external libs
+IF NOT EXIST %BUILD_DIR%\libs.obj (
+    echo %C_COMPILER% /Fd:%BUILD_DIR%\libs.pdb %C_FLAGS% src\libs.cpp
+    %C_COMPILER% /Fd:%BUILD_DIR%\libs.pdb %C_FLAGS% src\libs.cpp
+)
+
 :: compiles the project as a single compilation unit
 if %MSVC% EQU 1 (
     echo %C_COMPILER% /Fd:%BUILD_DIR%\main.pdb %C_FLAGS% src\main.cpp
@@ -91,7 +99,7 @@ if %MSVC% EQU 1 (
     %C_COMPILER% -o %BUILD_DIR%\main.obj %C_FLAGS% src\main.cpp
 )
 
-link %L_FLAGS% /DEBUG /OUT:%BUILD_DIR%\main.exe %BUILD_DIR%\main.obj kernel32.lib user32.lib
+link %L_FLAGS% /DEBUG /OUT:%BUILD_DIR%\main.exe %BUILD_DIR%\main.obj %BUILD_DIR%\libs.obj kernel32.lib user32.lib
 
 set shaders=ui.vert ui.frag test.comp compute.comp api-test-ui.vert api-test-ui.frag tonemapping.comp transmittance_lut.comp
 (for %%s in (%shaders%) do (
diff --git a/src/libs.cpp b/src/libs.cpp
new file mode 100644
index 0000000..1b2bf9c
--- /dev/null
+++ b/src/libs.cpp
@@ -0,0 +1,17 @@
+// -------------------
+// thirdparties
+// -------------------
+#define IMGUI_DISABLE_WIN32_FUNCTIONS
+#include "imgui.cpp"
+#include "imgui_draw.cpp"
+#include "imgui_tables.cpp"
+#include "imgui_widgets.cpp"
+
+#include "simdjson.cpp"
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>
+
+#define VK_NO_PROTOTYPES
+#define VMA_IMPLEMENTATION
+#include <vk_mem_alloc.h>
-- 
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