diff --git a/components/libc/compilers/common/nogcc/sys/errno.h b/components/libc/compilers/common/nogcc/sys/errno.h
index 0452fe93a1..1c6cd6d18d 100644
--- a/components/libc/compilers/common/nogcc/sys/errno.h
+++ b/components/libc/compilers/common/nogcc/sys/errno.h
@@ -575,6 +575,10 @@ defined in armcc/errno.h
 #ifndef EHWPOISON
 #define EHWPOISON       (ERROR_BASE_NO + 133)
 #endif
-#endif
 
-#endif
+#elif defined(_WIN32)
+#include <errno.h>
+
+#endif /* defined(__ARMCC_VERSION) || defined(__IAR_SYSTEMS_ICC__) */
+
+#endif /* __SYS_ERRNO_H__ */
diff --git a/components/libc/compilers/common/sys/time.h b/components/libc/compilers/common/sys/time.h
index a285139649..55c60d716e 100644
--- a/components/libc/compilers/common/sys/time.h
+++ b/components/libc/compilers/common/sys/time.h
@@ -15,6 +15,9 @@
 #include <sys/types.h>
 #include <stdint.h>
 #include <time.h>
+#ifdef _WIN32
+#include <winsock.h> /* for struct timeval */
+#endif
 
 #ifdef __cplusplus
 extern "C" {