Followup to libstdc++ needing lpthread on i586-linux

[H.J. Lu]

> 
> stimpy:~$ cat test.cc
> #include <iostream.h>
> int main()
> {
>   cout << "Hello World.\n";
> }
> 

Here is a patch.


H.J.
---
--- linuxthreads/sysdeps/pthread/libc-lock.h.orig	Thu Oct  2 13:20:38 1997
+++ linuxthreads/sysdeps/pthread/libc-lock.h	Thu Oct  2 13:22:24 1997
@@ -166,6 +166,11 @@
 /* We need portable names for some functions.  E.g., when they are
    used as argument to __libc_cleanup_region_start.  */
 # define __libc_mutex_unlock __pthread_mutex_unlock
+#else
+# ifdef __ELF__
+#  pragma weak _pthread_cleanup_push_defer
+#  pragma weak _pthread_cleanup_pop_restore
+# endif
 #endif
 
 #endif	/* bits/libc-lock.h */