Revert "Remove gmp from AOS"

This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.

We need gmp for SymEngine for symbolicmanipultion in C++

Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/cxx/osdoprnti.cc b/third_party/gmp/cxx/osdoprnti.cc
new file mode 100644
index 0000000..00dee15
--- /dev/null
+++ b/third_party/gmp/cxx/osdoprnti.cc
@@ -0,0 +1,67 @@
+/* __gmp_doprnt_integer_ios -- integer formatted output to an ostream.
+
+   THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
+   CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
+   FUTURE GNU MP RELEASES.
+
+Copyright 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP 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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include <iostream>
+#include <stdarg.h>   /* for va_list and hence doprnt_funs_t */
+#include <string.h>   /* for strlen */
+
+#include "gmp-impl.h"
+
+using namespace std;
+
+
+/* The gmp_asprintf support routines never give an error, so
+   __gmp_doprnt_integer shouldn't fail and it's return can just be checked
+   with an ASSERT.  */
+
+ostream&
+__gmp_doprnt_integer_ostream (ostream &o, struct doprnt_params_t *p,
+                              char *s)
+{
+  struct gmp_asprintf_t   d;
+  char  *result;
+  int   ret;
+
+  /* don't show leading zeros the way printf does */
+  p->prec = -1;
+
+  GMP_ASPRINTF_T_INIT (d, &result);
+  ret = __gmp_doprnt_integer (&__gmp_asprintf_funs_noformat, &d, p, s);
+  ASSERT (ret != -1);
+  __gmp_asprintf_final (&d);
+  (*__gmp_free_func) (s, strlen(s)+1);
+
+  gmp_allocated_string  t (result);
+  return o.write (t.str, t.len);
+}