From: Erik Flodin <erik@ejohansson.se>
Date: Thu, 22 Oct 2020 17:52:36 +0000 (+0200)
Subject: Require CLONE_NOOWNERCOPY to be defined for clone on mac (#694)
X-Git-Tag: v4.1~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=411c010c3a5ee690cd42b23ffcf026ae009e2897;p=thirdparty%2Fccache.git

Require CLONE_NOOWNERCOPY to be defined for clone on mac (#694)

Fixes #688.
---

diff --git a/src/Util.cpp b/src/Util.cpp
index d223c19b3..d95806d18 100644
--- a/src/Util.cpp
+++ b/src/Util.cpp
@@ -72,7 +72,9 @@ extern "C" {
 #ifdef __APPLE__
 #  ifdef HAVE_SYS_CLONEFILE_H
 #    include <sys/clonefile.h>
-#    define FILE_CLONING_SUPPORTED 1
+#    ifdef CLONE_NOOWNERCOPY
+#      define FILE_CLONING_SUPPORTED 1
+#    endif
 #  endif
 #endif