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cmake: fix compiler flags filtering

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This commit is contained in:
Alexander Alekhin 2018-12-12 13:35:43 +03:00
parent f1dc26d7ce
commit 6fa23f330f
1 changed files with 1 additions and 1 deletions
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2
cmake/OpenCVUtils.cmake
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@ -508,7 +508,7 @@ macro(ocv_warnings_disable)
foreach(var ${_flag_vars})
foreach(warning ${_gxx_warnings})
if(NOT warning MATCHES "^-Wno-")
string(REGEX REPLACE "${warning}(=[^ ]*)?" "" ${var} "${${var}}")
string(REGEX REPLACE "(^|[ ]+)${warning}(=[^ ]*)?([ ]+|$)" " " ${var} "${${var}}")
string(REPLACE "-W" "-Wno-" warning "${warning}")
endif()
ocv_check_flag_support(${var} "${warning}" _varname "")