* include/errno.h [IS_IN(rtld) && !RTLD_PRIVATE_ERRNO]: Do not use the
TLS declaration of errno.
+ * sysdeps/generic/libc-start.h [!SHARED] (ARCH_SETUP_TLS): Define to
+ __libc_setup_tls.
+ * sysdeps/unix/sysv/linux/powerpc/libc-start.h [!SHARED]
+ (ARCH_SETUP_TLS): Likewise.
+ * sysdeps/mach/hurd/libc-start.h: New file copied from
+ sysdeps/generic/libc-start.h, but define ARCH_SETUP_TLS to empty.
+ * csu/libc-start.c [!SHARED] (LIBC_START_MAIN): Call ARCH_SETUP_TLS instead
+ of __libc_setup_tls.
+ * sysdeps/mach/hurd/i386/init-first.c [!SHARED] (init1): Call
+ __libc_setup_tls before initializing libpthread and running _hurd_init which
+ starts the signal thread.
2018-03-24 H.J. Lu <hongjiu.lu@intel.com>