From dead85b41a26fc845c3e9330d2d38ffbc3e99fbf Mon Sep 17 00:00:00 2001
From: Vladislav Vaintroub <vvaintroub@gmail.com>
Date: Fri, 5 Jul 2024 02:20:47 +0200
Subject: [PATCH] trying to fix macOS build

---
 cmake/BuildLuaJit.cmake | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/cmake/BuildLuaJit.cmake b/cmake/BuildLuaJit.cmake
index 2efc08d0..f0fcceac 100644
--- a/cmake/BuildLuaJit.cmake
+++ b/cmake/BuildLuaJit.cmake
@@ -15,9 +15,15 @@ if(NOT WIN32)
   # gmake is there´
   find_program(MAKE_EXECUTABLE NAMES gmake make REQUIRED)
   # Makefile requires MACOSX_DEPLOYMENT_TARGET on Apple
-  if(CMAKE_OSX_DEPLOYMENT_TARGET)
-    set(MACOSX_DEPLOYMENT_TARGET
+  if (APPLE)
+    if("${CMAKE_OSX_DEPLOYMENT_TARGET}")
+      set(MACOSX_DEPLOYMENT_TARGET
         "MACOSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}")
+    else()
+      message(WARNING "CMAKE_OSX_DEPLOYMENT_TARGET was not set")
+      set(MACOSX_DEPLOYMENT_TARGET
+        "MACOSX_DEPLOYMENT_TARGET=10.12")
+    endif()
   endif()
   set(libluajit_static_lib ${install_dir}/lib/libluajit-5.1.a)
   ExternalProject_Add(