From 825911be587bbabc3b7e4777ed3bd1bb7c858b58 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 23 Aug 2021 16:39:33 +0200
Subject: [PATCH] cmake: avoid poll() on macOS

... like we do in configure builds. Since poll() on macOS is not
reliable enough.

Reported-by: marc-groundctl
Fixes #7595
Closes #7619
---
 CMake/OtherTests.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMake/OtherTests.cmake b/CMake/OtherTests.cmake
index 7f369938f..5cddf4afa 100644
--- a/CMake/OtherTests.cmake
+++ b/CMake/OtherTests.cmake
@@ -237,6 +237,9 @@ endif()
 unset(CMAKE_TRY_COMPILE_TARGET_TYPE)
 
 if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+  if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+  # only try this on non-macOS
+
   # if not cross-compilation...
   include(CheckCSourceRuns)
   set(CMAKE_REQUIRED_FLAGS "")
@@ -279,5 +282,6 @@ if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
         }
         return 0;
     }" HAVE_POLL_FINE)
+  endif()
 endif()