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macro(returnOnError errorMsg)
if(NOT "${errorMsg}" STREQUAL "")
set(RunCMake_TEST_FAILED "${RunCMake_TEST_FAILED}\n${errorMsg}" PARENT_SCOPE)
return()
endif()
endmacro()
function(getTargetFlags mainTarget projFlagsVar flagsVar errorVar)
# The flags variables in the project file might span over multiple lines
# so we can't easily read the flags directly from there. Instead, we use
# the xcodebuild -showBuildSettings option to report it on a single line.
execute_process(
COMMAND ${CMAKE_COMMAND}
--build ${RunCMake_TEST_BINARY_DIR}
--target ${mainTarget}
--config Debug
--
-showBuildSettings
COMMAND grep ${projFlagsVar}
OUTPUT_VARIABLE flagsContents
RESULT_VARIABLE result
)
if(result)
set(${errorVar} "Failed to get flags for ${mainTarget}: ${result}" PARENT_SCOPE)
else()
unset(${errorVar} PARENT_SCOPE)
endif()
set(${flagsVar} "${flagsContents}" PARENT_SCOPE)
endfunction()
function(checkFlags projFlagsVar mainTarget present absent)
getTargetFlags(${mainTarget} ${projFlagsVar} flags errorMsg)
returnOnError("${errorMsg}")
foreach(linkTo IN LISTS present)
string(REGEX MATCH "${linkTo}" result "${flags}")
if("${result}" STREQUAL "")
string(APPEND RunCMake_TEST_FAILED
"\n${mainTarget} ${projFlagsVar} is missing ${linkTo}"
)
endif()
endforeach()
foreach(linkTo IN LISTS absent)
string(REGEX MATCH "${linkTo}" result "${flags}")
if(NOT "${result}" STREQUAL "")
string(APPEND RunCMake_TEST_FAILED
"\n${mainTarget} ${projFlagsVar} unexpectedly contains ${linkTo}"
)
endif()
endforeach()
set(RunCMake_TEST_FAILED ${RunCMake_TEST_FAILED} PARENT_SCOPE)
endfunction()
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