1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/pt-system.c b/REORG.TODO/nptl/pt-system.c
new file mode 100644
index 0000000000..f8ca6ba0d9
--- /dev/null
+++ b/REORG.TODO/nptl/pt-system.c
@@ -0,0 +1,53 @@
+/* ABI compatibility for 'system' symbol in libpthread ABI.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdlib.h>
+#include <shlib-compat.h>
+
+/* libpthread once had its own 'system', though there was no apparent
+   reason for it.  There is no use in having a separate symbol in
+   libpthread, but the historical ABI requires it.  For static linking,
+   there is no need to provide anything here--the libc version will be
+   linked in.  For shared library ABI compatibility, there must be a
+   'system' symbol in libpthread.so; so we define it using IFUNC to
+   redirect to the libc function.  */
+
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_22)
+
+# if HAVE_IFUNC
+
+extern __typeof(system) system_ifunc;
+#  undef INIT_ARCH
+#  define INIT_ARCH()
+libc_ifunc (system_ifunc, &__libc_system)
+
+# else  /* !HAVE_IFUNC */
+
+static int __attribute__ ((used))
+system_compat (const char *line)
+{
+  return __libc_system (line);
+}
+strong_alias (system_compat, system_ifunc)
+
+# endif  /* HAVE_IFUNC */
+
+compat_symbol (libpthread, system_ifunc, system, GLIBC_2_0);
+
+#endif