In file included from ../nptl/sysdeps/unix/sysv/linux/libc-lowlevellock.c:21:
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c: In function '__lll_lock_wait_private':
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: warning: implicit declaration of function 'THREAD_GETMEM'
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: 'THREAD_SELF' undeclared (first use in this function)
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: (Each undeclared identifier is reported only once
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: for each function it appears in.)
../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: 'header' undeclared (first use in this function)
make[4]: *** [/var/tmp/portage/sys-libs/glibc-2.7-r1/work/build-default-armv4l-unknown-linux-gnu-nptl/nptl/rtld-libc-lowlevellock.os] Error 1

--- libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h.orig
+++ libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
@@ -25,6 +25,7 @@
 #include <atomic.h>
 #include <sysdep.h>
 #include <kernel-features.h>
+#include <tls.h>
 
 #define FUTEX_WAIT		0
 #define FUTEX_WAKE		1