diff --git a/samples/arm-nano-eabi/crosstool.config b/samples/arm-nano-eabi/crosstool.config
index 697eef15..abb856d2 100644
--- a/samples/arm-nano-eabi/crosstool.config
+++ b/samples/arm-nano-eabi/crosstool.config
@@ -3,26 +3,22 @@ CT_SAVE_TARBALLS=y
 CT_LOG_EXTRA=y
 CT_ARCH_FLOAT_SW=y
 CT_ARCH_arm=y
+CT_MULTILIB=y
+CT_TARGET_VENDOR="nano"
 CT_LIBC_NEWLIB_IO_C99FMT=y
 CT_LIBC_NEWLIB_IO_LL=y
-CT_LIBC_NEWLIB_IO_FLOAT=n
+# CT_LIBC_NEWLIB_FVWRITE_IN_STREAMIO is not set
+# CT_LIBC_NEWLIB_UNBUF_STREAM_OPT is not set
+# CT_LIBC_NEWLIB_FSEEK_OPTIMIZATION is not set
 CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS=y
-CT_CC_LANG_CXX=y
-CT_LIBC_NEWLIB_IO_POS_ARGS=n
-CT_LIBC_NEWLIB_FVWRITE_IN_STREAMIO=n
-CT_LIBC_NEWLIB_UNBUF_STREAM_OPT=n
-CT_LIBC_NEWLIB_FSEEK_OPTIMIZATION=n
-CT_LIBC_NEWLIB_REGISTER_FINI=n
-CT_LIBC_NEWLIB_ATEXIT_DYNAMIC_ALLOC=n
+# CT_LIBC_NEWLIB_ATEXIT_DYNAMIC_ALLOC is not set
 CT_LIBC_NEWLIB_GLOBAL_ATEXIT=y
 CT_LIBC_NEWLIB_LITE_EXIT=y
 CT_LIBC_NEWLIB_REENT_SMALL=y
-CT_LIBC_NEWLIB_MULTITHREAD=n
+# CT_LIBC_NEWLIB_MULTITHREAD is not set
 CT_LIBC_NEWLIB_EXTRA_SECTIONS=y
-CT_LIBC_NEWLIB_WIDE_ORIENT=n
-CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE=y
+# CT_LIBC_NEWLIB_WIDE_ORIENT is not set
+CT_LIBC_NEWLIB_LTO=y
 CT_LIBC_NEWLIB_NANO_MALLOC=y
 CT_LIBC_NEWLIB_NANO_FORMATTED_IO=y
-CT_LIBC_NEWLIB_LTO=y
-CT_MULTILIB=y
-
+CT_CC_LANG_CXX=y