cmake: imgui as object library

1 files changed, 22 insertions, 14 deletions

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 1e98e55..f7ff658 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1,10 +1,10 @@
 cmake_minimum_required(VERSION 3.20)
 
 
-
 project(fsarcade)
 
 
+# compile options
 set(CMAKE_CXX_COMPILER clang++)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -12,23 +12,27 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 
-
-# set binary directory
-set(FSARCADE_ROOT_DIR    "${CMAKE_CURRENT_LIST_DIR}/..")
-set(FSARCADE_SRC_DIR     "${FSARCADE_ROOT_DIR}/src")
-set(IMGUI_SRC_DIR        "${FSARCADE_ROOT_DIR}/external/imgui")
+# code directories
+set(FSARCADE_ROOT_DIR   "${CMAKE_CURRENT_LIST_DIR}/..")
+set(FSARCADE_SRC_DIR    "${FSARCADE_ROOT_DIR}/src")
+set(IMGUI_SRC_DIR       "${FSARCADE_ROOT_DIR}/external/imgui")
 set(GLAD_SRC_DIR        "${FSARCADE_ROOT_DIR}/external/glad/src")
 set(GLAD_INC_DIR        "${FSARCADE_ROOT_DIR}/external/glad/include")
+
+
+# output directories
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${FSARCADE_ROOT_DIR}/runtree)
 
 
+# required packages
+find_package(SDL3 REQUIRED)
+
 
 # fsarcade
 add_executable(fsarcade)
 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
     target_compile_options(fsarcade PRIVATE -pedantic-errors -Wall -Weffc++ -Wconversion -Wsign-conversion -Wshadow -mavx2)
 endif ()
-
 target_sources(fsarcade PUBLIC
     ${FSARCADE_SRC_DIR}/main.cpp
     ${FSARCADE_SRC_DIR}/common/math.cpp
@@ -43,6 +47,14 @@ target_sources(fsarcade PUBLIC
     ${FSARCADE_SRC_DIR}/games/snake/Snake.cpp
     ${FSARCADE_SRC_DIR}/games/minesweeper/Minesweeper.cpp
     ${FSARCADE_SRC_DIR}/games/pong/Pong.cpp
+)
+target_include_directories(fsarcade PRIVATE
+    ${FSARCADE_SRC_DIR}
+)
+
+
+# imgui
+add_library(imgui OBJECT
     ${IMGUI_SRC_DIR}/imgui.cpp
     ${IMGUI_SRC_DIR}/imgui_draw.cpp
     ${IMGUI_SRC_DIR}/imgui_tables.cpp
@@ -50,12 +62,7 @@ target_sources(fsarcade PUBLIC
     ${IMGUI_SRC_DIR}/backends/imgui_impl_sdl3.cpp
     ${IMGUI_SRC_DIR}/backends/imgui_impl_opengl3.cpp
 )
-target_include_directories(fsarcade PUBLIC
-    ${FSARCADE_SRC_DIR}
-    ${IMGUI_SRC_DIR}
-    ${IMGUI_SRC_DIR}/backends
-    ${FSARCADE_ROOT_DIR}/external/stb
-)
+target_include_directories(imgui PUBLIC ${IMGUI_SRC_DIR} ${IMGUI_SRC_DIR}/backends)
 
 
 # glad
@@ -74,5 +81,6 @@ target_include_directories(stb_truetype PUBLIC
     ${FSARCADE_ROOT_DIR}/external/stb
 )
 
-target_link_libraries(fsarcade GL glad SDL3 dl stb_truetype)
+
+target_link_libraries(fsarcade SDL3::SDL3 GL glad dl imgui stb_truetype)