diff --git a/libc/src/stdio/CMakeLists.txt b/libc/src/stdio/CMakeLists.txt
index a13321d137229..f3a75fb965c6e 100644
--- a/libc/src/stdio/CMakeLists.txt
+++ b/libc/src/stdio/CMakeLists.txt
@@ -26,9 +26,6 @@ if(NOT LIBC_TARGET_ARCHITECTURE_IS_GPU)
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/generic)
 endif()
 
-add_subdirectory(printf_core)
-add_subdirectory(scanf_core)
-
 add_entrypoint_object(
   fflush
   SRCS
@@ -286,6 +283,9 @@ add_entrypoint_object(
     ${printf_copts}
 )
 
+add_subdirectory(printf_core)
+add_subdirectory(scanf_core)
+
 add_entrypoint_object(
   ftell
   SRCS
diff --git a/libc/test/src/stdio/CMakeLists.txt b/libc/test/src/stdio/CMakeLists.txt
index e042a8bd8be68..98fa2deb8b0e2 100644
--- a/libc/test/src/stdio/CMakeLists.txt
+++ b/libc/test/src/stdio/CMakeLists.txt
@@ -112,6 +112,16 @@ add_libc_unittest(
     LibcMemoryHelpers
 )
 
+if(LIBC_CONF_PRINTF_DISABLE_FLOAT)
+  list(APPEND sprintf_test_copts "-DLIBC_COPT_PRINTF_DISABLE_FLOAT")
+endif()
+if(LIBC_CONF_PRINTF_DISABLE_INDEX_MODE)
+  list(APPEND sprintf_test_copts "-DLIBC_COPT_PRINTF_DISABLE_INDEX_MODE")
+endif()
+if(LIBC_CONF_PRINTF_DISABLE_WRITE_INT)
+  list(APPEND sprintf_test_copts "-DLIBC_COPT_PRINTF_DISABLE_WRITE_INT")
+endif()
+
 add_fp_unittest(
   sprintf_test
   UNIT_TEST_ONLY
@@ -123,6 +133,8 @@ add_fp_unittest(
     libc.src.stdio.sprintf
     libc.src.__support.FPUtil.fp_bits
     libc.src.__support.FPUtil.platform_defs
+  COMPILE_OPTIONS
+    ${sprintf_test_copts}
 )
 
 add_libc_unittest(