add debug-info to cmakelists

CMakeLists.txt

@@ -1,4 +1,17 @@
 cmake_minimum_required(VERSION 3.10)
 project(PS1)
 
+# generate compile_commands.json for clangd/LSP support
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# set default build type to Debug if not specified
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Debug)
+endif()
+
 add_executable(ps1 src/driver.c)
+
+# ensure debug symbols are included
+target_compile_options(ps1 PRIVATE
+    $<$<CONFIG:Debug>:-g>
+)