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authorMeco Man <[email protected]>2023-11-05 20:53:02 -0500
committerGitHub <[email protected]>2023-11-06 09:53:02 +0800
commitbb8667e13b728d0584c21c30daac9bc517b6e300 (patch)
tree0a5e848e926f57d1e14d6c8f9da225b925eb40d1 /include
parent5ad6a6f2c59737b54f41b79b6d1e0d6a9ba08da1 (diff)
[rtdef] add comment for RT_USING_LIBC_ISO_ONLY (#8229)
Diffstat (limited to 'include')
-rw-r--r--include/rtdef.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/rtdef.h b/include/rtdef.h
index 10edc25df1..2f55651262 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -62,6 +62,7 @@
#ifdef RT_USING_LIBC
#if !defined(RT_USING_LIBC_ISO_ONLY) && !defined(RT_VER_NUM)
+/* If RT_VER_NUM is not defined, there is no extra libc support. */
#define RT_USING_LIBC_ISO_ONLY (1)
#else
#define RT_USING_LIBC_ISO_ONLY (0)