Reinstate __libc_foo's needed for linuxthreads.old.

Now they are only enabled if linuxthreads.old are selected.

1 files changed, 5 insertions, 2 deletions

diff --git a/libc/termios/tcdrain.c b/libc/termios/tcdrain.c
index 766f37e28..ad94803ff 100644
--- a/libc/termios/tcdrain.c
+++ b/libc/termios/tcdrain.c
@@ -20,10 +20,13 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 
-/* libc_hidden_proto(ioctl) */
+#ifdef __LINUXTHREADS_OLD__
+extern __typeof(tcdrain) weak_function tcdrain;
+strong_alias(tcdrain,__libc_tcdrain)
+#endif
 
 /* Wait for pending output to be written on FD.  */
 int tcdrain(int fd)
 {
-      return ioctl(fd, TCSBRK, 1);
+	return ioctl(fd, TCSBRK, 1);
 }