From c8b84a13a5fa816aaba8cc3733f92e4fcaf938b4 Mon Sep 17 00:00:00 2001
From: Stefan Werner <stewreo@gmail.com>
Date: Thu, 3 Sep 2020 10:11:59 +0200
Subject: Make deps: Disabled assembly for GMP on Apple/arm64.

This appears to be a configuration for which GMP has no assembly,
yet the default configure script tries to build it.
---
 build_files/build_environment/cmake/gmp.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/build_files/build_environment/cmake/gmp.cmake b/build_files/build_environment/cmake/gmp.cmake
index 40d8e04b3a7..16d2611ee12 100644
--- a/build_files/build_environment/cmake/gmp.cmake
+++ b/build_files/build_environment/cmake/gmp.cmake
@@ -25,6 +25,13 @@ else()
   set(GMP_OPTIONS --enable-static --disable-shared )
 endif()
 
+if(APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))
+  set(GMP_OPTIONS
+     ${GMP_OPTIONS}
+     --disable-assembly
+  )
+endif()
+
 ExternalProject_Add(external_gmp
   URL ${GMP_URI}
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
-- 
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