diff --git a/CMakeLists.txt b/CMakeLists.txt
index 99f3f05..2a39684 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,20 +4,20 @@ project(src/eesunhong LANGUAGES Fortran)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
-#set(BUILD_TESTING OFF)
-#include(FetchContent)
-#FetchContent_Declare(
-#        fortran_stdlib
-#        GIT_REPOSITORY https://github.com/fortran-lang/stdlib.git
-#        GIT_TAG df1e2f0ed0cbe2fbd9c1f20dcb5bd1a4bba95bb2  # v3.0.0
-#)
-#FetchContent_MakeAvailable(fortran_stdlib)
-#set(BUILD_TESTING ON)
+set(BUILD_TESTING OFF)
+include(FetchContent)
+FetchContent_Declare(
+        fortran_stdlib
+        GIT_REPOSITORY https://github.com/fortran-lang/stdlib.git
+        GIT_TAG df1e2f0ed0cbe2fbd9c1f20dcb5bd1a4bba95bb2  # v3.0.0
+)
+FetchContent_MakeAvailable(fortran_stdlib)
+set(BUILD_TESTING ON)
 
 add_library(polyroots OBJECT third_party/polyroots-fortran/polyroots_cmplx_roots_gen.f90)
 add_library(roots OBJECT third_party/roots-fortran/root_module.F90)
-add_library(eesunhong_recipes_replacements OBJECT src/eesunhong_recipes_replacements.f90)
-target_link_libraries(eesunhong_recipes_replacements PUBLIC fortran_stdlib)
+#add_library(eesunhong_recipes_replacements OBJECT src/eesunhong_recipes_replacements.f90)
+#target_link_libraries(eesunhong_recipes_replacements PUBLIC fortran_stdlib)
 
 #add_library(eesunhong_fortran_library SHARED $<TARGET_OBJECTS:eesunhong_recipes_replacements> $<TARGET_OBJECTS:roots>)
 #target_link_libraries(eesunhong_fortran_library PUBLIC fortran_stdlib)