diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c index 24506476c6..59c1881ad1 100644 --- a/components/libc/compilers/newlib/syscalls.c +++ b/components/libc/compilers/newlib/syscalls.c @@ -453,3 +453,7 @@ mode_t umask(mode_t mask) return 022; } +int flock(int fd, int operation) +{ + return 0; +}