-From 4ca5a815f2dfe9e1116cc2ccd5ddb56d0d00d12e Mon Sep 17 00:00:00 2001
-From: Brad King <brad.king@kitware.com>
-Date: Thu, 7 Mar 2019 14:55:54 -0500
-Subject: [PATCH] C++ feature checks: Match warnings more strictly
-
-Require the word "warning" to appear at the start of a line, after
-whitespace, or after a `:`. This is the same that CTest launchers use
-to match warnings. It avoids matching "warning" inside file paths.
-
-Fixes: #19019
----
- Source/Checks/cm_cxx_features.cmake | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/Source/Checks/cm_cxx_features.cmake
-+++ b/Source/Checks/cm_cxx_features.cmake
-@@ -25,7 +25,7 @@ function(cm_check_cxx_feature name)
- # Filter out xcodebuild warnings.
- string(REGEX REPLACE "[^\n]* xcodebuild\\[[0-9]*:[0-9]*\\] warning: [^\n]*" "" check_output "${check_output}")
- # If using the feature causes warnings, treat it as broken/unavailable.
-- if(check_output MATCHES "[Ww]arning")
-+ if(check_output MATCHES "(^|[ :])[Ww][Aa][Rr][Nn][Ii][Nn][Gg]")
- set(CMake_HAVE_CXX_${FEATURE} OFF CACHE INTERNAL "TRY_COMPILE" FORCE)
- endif()
- if(CMake_HAVE_CXX_${FEATURE})