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authorBrad King <brad.king@kitware.com>2018-11-20 12:50:45 -0500
committerBrad King <brad.king@kitware.com>2018-11-20 12:50:45 -0500
commit2ca89b5a6969ce6b0bca44abf02a072e28e5c1cd (patch)
treeabb3f9edad52a724366304266dd1103abae08e52 /Source/Checks
parentea52ec9420a6f147a78276bda8110999faa9e094 (diff)
downloadcmake-2ca89b5a6969ce6b0bca44abf02a072e28e5c1cd.tar.gz
C++ feature checks: Filter out libstdc++ sprintf warnings
On OpenBSD linking to `libstdc++` with GCC 6.4 always warns: warning: sprintf() is often misused, please use snprintf() These do not affect the availability of C++ features we're checking, so filter them out. Fixes: #18602
Diffstat (limited to 'Source/Checks')
-rw-r--r--Source/Checks/cm_cxx_features.cmake2
1 files changed, 2 insertions, 0 deletions
diff --git a/Source/Checks/cm_cxx_features.cmake b/Source/Checks/cm_cxx_features.cmake
index 1b57fd8e60..d941c169be 100644
--- a/Source/Checks/cm_cxx_features.cmake
+++ b/Source/Checks/cm_cxx_features.cmake
@@ -22,6 +22,8 @@ function(cm_check_cxx_feature name)
# Filter out warnings caused by local configuration.
string(REGEX REPLACE "[^\n]*warning:[^\n]*directory not found for option[^\n]*" "" check_output "${check_output}")
string(REGEX REPLACE "[^\n]*warning:[^\n]*object file compiled with -mlong-branch which is no longer needed[^\n]*" "" check_output "${check_output}")
+ # Filter out other warnings unrelated to feature checks.
+ string(REGEX REPLACE "[^\n]*warning:[^\n]*sprintf\\(\\) is often misused, please use snprintf[^\n]*" "" check_output "${check_output}")
# Filter out xcodebuild warnings.
string(REGEX REPLACE "[^\n]* xcodebuild\\[[0-9]*:[0-9]*\\] warning: [^\n]*" "" check_output "${check_output}")
# If using the feature causes warnings, treat it as broken/unavailable.