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/mpz/cdiv_q.c b/third_party/gmp/mpz/cdiv_q.c
new file mode 100644
index 0000000..f19eb74
--- /dev/null
+++ b/third_party/gmp/mpz/cdiv_q.c
@@ -0,0 +1,52 @@
+/* mpz_cdiv_q -- Division rounding the quotient towards +infinity.  The
+   remainder gets the opposite sign as the denominator.
+
+Copyright 1994-1996, 2000, 2001, 2005, 2012 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 "gmp-impl.h"
+
+void
+mpz_cdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor)
+{
+  mp_size_t dividend_size = SIZ (dividend);
+  mp_size_t divisor_size = SIZ (divisor);
+  mpz_t rem;
+  TMP_DECL;
+
+  TMP_MARK;
+
+  MPZ_TMP_INIT (rem, ABS (divisor_size));
+
+  mpz_tdiv_qr (quot, rem, dividend, divisor);
+
+  if ((divisor_size ^ dividend_size) >= 0 && SIZ (rem) != 0)
+    mpz_add_ui (quot, quot, 1L);
+
+  TMP_FREE;
+}