diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5960a69..61889b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,10 @@ project(bshell C)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
+if (NOT DEFINED bshell_interactive)
+	set(bshell_interactive 1)
+endif ()
+
 find_package(Python COMPONENTS Interpreter REQUIRED)
 find_package(FX REQUIRED COMPONENTS
 	fx.runtime
@@ -14,14 +18,33 @@ execute_process(
 		${CMAKE_CURRENT_SOURCE_DIR}/tools/build-id.py
 	OUTPUT_VARIABLE bshell_version)
 
-file(GLOB_RECURSE bshell_sources
+set(source_dirs
+	ast compile parse parse/lex parse/syntax
+	runtime format command cmdlets aliases)
+
+if (bshell_interactive EQUAL 1)
+	message(STATUS "Interactive support: Enabled")
+	set(source_dirs ${source_dirs} line-ed)
+else ()
+	message(STATUS "Interactive support: Disabled")
+endif ()
+
+file(GLOB bshell_sources
 	bshell/*.c
 	bshell/*.h)
 
+foreach (d ${source_dirs})
+	file(GLOB sources
+		bshell/${d}/*.c
+		bshell/${d}/*.h)
+	set(bshell_sources ${bshell_sources} ${sources})
+endforeach (d)
+
 message(STATUS "B Shell version: ${bshell_version}")
 
 add_executable(bshell ${bshell_sources})
 
 target_link_libraries(bshell FX::Runtime FX::Collections FX::Term)
 target_compile_definitions(bshell PUBLIC
-	BSHELL_VERSION="${bshell_version}")
+	BSHELL_VERSION="${bshell_version}"
+	BSHELL_INTERACTIVE=${bshell_interactive})