From ddb07e896a2a8af79512543b1c7eb9797f8898a5 Mon Sep 17 00:00:00 2001
From: Cory Benfield <lukasa@apple.com>
Date: Fri, 25 Feb 2022 17:51:00 +0000
Subject: [PATCH] build: attempt to workaround linker issues on Darwin (#105)
 (#106)

The use of a non-cctools librarian causes ld64 some heartburn.
Explicitly opt into using the cctools librarian.

rdar://87850031
(cherry picked from commit facc82fbb465e8e308ceeeeb2bdd2830ae8023b3)

Co-authored-by: Saleem Abdulrasool <compnerd@compnerd.org>
---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 881a872c..f0da9625 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,6 +37,11 @@ if(BUILD_SHARED_LIBS)
   set(CMAKE_POSITION_INDEPENDENT_CODE YES)
 endif()
 
+if(CMAKE_SYSTEM_NAME STREQUAL Darwin AND NOT CMAKE_CROSSCOMPILING)
+  set(CMAKE_AR "/usr/bin/ar")
+  set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> crs <TARGET> <LINK_FLAGS> <OBJECTS>")
+endif()
+
 if(NOT CMAKE_SYSTEM_NAME STREQUAL Darwin)
   find_package(dispatch CONFIG)
   find_package(Foundation CONFIG)