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-rw-r--r--libc/sysdeps/linux/common/bits/posix_opt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/posix_opt.h b/libc/sysdeps/linux/common/bits/posix_opt.h
index 92c2d3282..dfe259b7c 100644
--- a/libc/sysdeps/linux/common/bits/posix_opt.h
+++ b/libc/sysdeps/linux/common/bits/posix_opt.h
@@ -96,10 +96,12 @@
/* The LFS support in asynchronous I/O is also available. */
#define _LFS64_ASYNCHRONOUS_IO 1
+#ifdef __UCLIBC_HAS_LFS__
/* The rest of the LFS is also available. */
#define _LFS_LARGEFILE 1
#define _LFS64_LARGEFILE 1
#define _LFS64_STDIO 1
+#endif
/* POSIX shared memory objects are implemented. */
#define _POSIX_SHARED_MEMORY_OBJECTS 200112L