build: add support for disabling native command support

bshell.runtime/CMakeLists.txt

@@ -1,6 +1,10 @@
 set(source_dirs
 	ast compile parse parse/lex parse/syntax
-	format runtime command line-editor)
+	format runtime command)
+
+if (bshell_interactive)
+	set(source_dirs ${source_dirs} line-editor)
+endif ()
 
 file(GLOB sources
 	*.c
@@ -15,15 +19,22 @@ endforeach (d)
 
 add_library(bshell.runtime SHARED ${sources})
 
-target_link_libraries(bshell.runtime FX::Runtime FX::Collections FX::Io FX::Diagnostics)
+target_link_libraries(bshell.runtime FX::Runtime FX::Collections FX::Io)
 
 if (bshell_interactive)
 	target_link_libraries(bshell.runtime FX::Term)
 endif ()
 
+if (bshell_enable_native_commands)
+	target_link_libraries(bshell.runtime FX::Diagnostics)
+endif ()
+
 target_include_directories(bshell.runtime PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
 target_compile_definitions(bshell.runtime PUBLIC
 	BSHELL_VERSION="${bshell_version}"
 	BSHELL_ENABLE_FLOATING_POINT=${bshell_enable_floating_point}
+	BSHELL_ENABLE_NATIVE_COMMANDS=${bshell_enable_native_commands}
 	BSHELL_INTERACTIVE=${bshell_interactive}
 	BSHELL_VERBOSE=${bshell_verbose})
+
+install(TARGETS bshell.runtime)