diff --git a/CMakeLists.txt b/CMakeLists.txt
index c363f8e..1c425e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,13 +1,10 @@
 cmake_minimum_required(VERSION 3.21)
-set(CMAKE_CXX_STANDARD 20)
 project(libbasen
     VERSION 1.1.1
     DESCRIPTION "c++20 encoding/decoding from arbitrary base"
     LANGUAGES CXX
 )
 
-set(CXX_FLAGS "-Wall -Wextra -Werror -Wno-unused-result -O3")
-
 if(DEFINED BASEN_SHARED_LIBS)
     set(BUILD_SHARED_LIBS ${BASEN_SHARED_LIBS})
 endif()
@@ -27,6 +24,15 @@ endforeach()
 
 add_library(basen ${SRCS})
 add_library(basen::basen ALIAS basen)
+
+target_compile_options(basen PRIVATE
+    -std=c++20
+    -Wall
+    -Wextra
+    -Werror
+    -Wno-unused-result
+    -O3
+)
 target_include_directories(basen PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
     $<INSTALL_INTERFACE:include>
diff --git a/ideas b/ideas
new file mode 100644
index 0000000..1dcb671
--- /dev/null
+++ b/ideas
@@ -0,0 +1,7 @@
++ testing with &, chech() in PKGBUILD
++ simplifying documentation of baseN
++ windows compatibility
+argparse dependency notification in readme, make SHARED= in readme
++ cmake
+export "C"
+exceptions to enum instead of enum class
\ No newline at end of file