default features: make musl usable without feature test macros

[musl] / include / sys / sendfile.h

diff --git a/include/sys/sendfile.h b/include/sys/sendfile.h
index 1f2b523..e7570d8 100644 (file)
--- a/include/sys/sendfile.h
+++ b/include/sys/sendfile.h
@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+#include <features.h>
 #include <unistd.h>
 
 ssize_t sendfile(int, int, off_t *, size_t);