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cm_cxx_features: Ignore Clang unused-argument warnings

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Filter out `-Wunused-command-line-argument` warnings from Clang (that
can be caused by user-specified flags) so that they do not break our
checks for C++ feature availability.

This extends commit 71b65abca2 (C++ feature checks: Filter out warnings
caused by user flags, 2017-09-19, v3.10.0-rc1~90^2).
This commit is contained in:
jinzhe li
2024-04-13 11:57:07 +08:00
committed by Brad King
parent 1d31a00ee4
commit 6a2cfbd4ea
1 changed files with 1 additions and 1 deletions
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Source/Checks/cm_cxx_features.cmake
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@@ -43,7 +43,7 @@ function(cm_check_cxx_feature name)
# Filter out MSVC output that looks like a command-line warning.
string(REGEX REPLACE "[^\n]*warning D[0-9][0-9][0-9][0-9][^\n]*" "" check_output "${check_output}")
# Filter out warnings caused by user flags.
string(REGEX REPLACE "[^\n]*warning:[^\n]*-Winvalid-command-line-argument[^\n]*" "" check_output "${check_output}")
string(REGEX REPLACE "[^\n]*warning:[^\n]*-W(invalid|unused)-command-line-argument[^\n]*" "" check_output "${check_output}")
# Filter out warnings caused by local configuration.
string(REGEX REPLACE "[^\n]*warning:[^\n]*directory not found for option[^\n]*" "" check_output "${check_output}")
string(REGEX REPLACE "[^\n]*warning:[^\n]*object file compiled with -mlong-branch which is no longer needed[^\n]*" "" check_output "${check_output}")