From 298760661f30faf2014f609506f15ff2d3489ddf Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Apr 2021 13:06:11 -0400
Subject: [PATCH] ExternalData: Improve error message when we fail to create a
file
Report the underlying system error.
---
Modules/ExternalData.cmake | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Modules/ExternalData.cmake b/Modules/ExternalData.cmake
index 1850e74625..189374be42 100644
--- a/Modules/ExternalData.cmake
+++ b/Modules/ExternalData.cmake
@@ -949,7 +949,7 @@ function(_ExternalData_link_or_copy src dst)
endif()
if(result)
file(REMOVE "${tmp}")
- message(FATAL_ERROR "Failed to create\n ${tmp}\nfrom\n ${obj}")
+ message(FATAL_ERROR "Failed to create:\n \"${tmp}\"\nfrom:\n \"${obj}\"\nwith error:\n ${result}")
endif()
# Atomically create/replace the real destination.
--
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