File _service:extract_file:backport-0001-added-missi... of Package libmpc

File _service:extract_file:backport-0001-added-missing-include.patch of Package libmpc (Revision a3ad7574081cd7ac44890ce8b4285f54)

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From 21668770977368459c74723f2bddad38b727ea20 Mon Sep 17 00:00:00 2001
From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Date: Thu, 20 Aug 2020 08:56:54 +0200
Subject: [PATCH 07/11] added missing include

Reported by Andreas, while using mpc-1.2.0 to bootstrap Guix,
where mpc-1.2.0 is used to compile gcc-7.5.0:

In file included from ../../../gcc-7.5.0/mpc/src/asin.c:22:0:
../../../gcc-7.5.0/mpc/src/asin.c: In function 'mpc_asin_series':
../../../gcc-7.5.0/mpc/src/asin.c:132:27: error: 'ULONG_MAX' undeclared (first use in this function)
   MPC_ASSERT(2 * k - 1 <= ULONG_MAX / (2 * k - 1));
---
 src/asin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/asin.c b/src/asin.c
index 444275f..2c3fa32 100644
--- a/src/asin.c
+++ b/src/asin.c
@@ -19,6 +19,7 @@ along with this program. If not, see http://www.gnu.org/licenses/ .
 */
 
 #include <stdio.h>
+#include <limits.h> /* for ULONG_MAX */
 #include "mpc-impl.h"
 
 /* Special case op = 1 + i*y for tiny y (see algorithms.tex).
-- 
1.8.3.1