_GNU_SOURCE is supposed to imply _LARGEFILE64_SOURCE

[musl] / include / sys / sendfile.h

diff --git a/include/sys/sendfile.h b/include/sys/sendfile.h
index ba9aa54..4bd3ec6 100644 (file)
--- a/include/sys/sendfile.h
+++ b/include/sys/sendfile.h
@@ -9,7 +9,7 @@ extern "C" {
 
 ssize_t sendfile(int, int, off_t *, size_t);
 
-#ifdef _LARGEFILE64_SOURCE
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
 #define sendfile64 sendfile
 #define off64_t off_t
 #endif