From 4a5ece54b8ce0d3408e4d302b8a64b2a5aaa19cf Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Mon, 25 Mar 2024 12:15:01 +0000
Subject: [PATCH] build: fix mkdtemp check on macOS

On macOS, mkdtemp is in unistd.h. Fix the CMake check so that is works.
This was discovered when comparing the output of the Autotools an CMake
build systems.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c124a6a4..200a82e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -605,7 +605,7 @@ if(NOT MSVC)
 
   check_cxx_symbol_exists(fork unistd.h HAVE_FORK)
   check_cxx_symbol_exists(gethrtime sys/time.h HAVE_GETHRTIME)
-  check_cxx_symbol_exists(mkdtemp stdlib.h HAVE_MKDTEMP)
+  check_cxx_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
   check_cxx_symbol_exists(accept4 sys/socket.h HAVE_ACCEPT4)
   check_cxx_symbol_exists(strnlen string.h HAVE_STRNLEN)
 else()