From fda358a1ec010a59f37988a6c7d36bc180caa454 Mon Sep 17 00:00:00 2001
From: Ben Kochie <superq@gmail.com>
Date: Tue, 9 Nov 2021 17:52:49 +0100
Subject: [PATCH] Workaround LLVM/Clang 11.0 for Darwin builds (#2200)

LLVM/Clang 11.0 adds a `-Wundef-prefix=TARGET_OS_` build flag which
breaks this build flag.

Signed-off-by: Ben Kochie <superq@gmail.com>
---
 collector/cpu_darwin.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/collector/cpu_darwin.go b/collector/cpu_darwin.go
index 2a2b0062..6c461cc3 100644
--- a/collector/cpu_darwin.go
+++ b/collector/cpu_darwin.go
@@ -39,6 +39,7 @@ import (
 #include <mach/mach_init.h>
 #include <mach/mach_host.h>
 #include <mach/host_info.h>
+#include <TargetConditionals.h>
 #if TARGET_OS_MAC
 #include <libproc.h>
 #endif