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enable_language (CXX)
include(CheckCXXSourceRuns)
set(CXX 1) # test that this is tolerated
check_cxx_source_runs("int main() {return 2;}" SHOULD_FAIL)
if(SHOULD_FAIL)
message(SEND_ERROR "check_cxx_source_runs succeeded, but should have failed.")
endif()
check_cxx_source_runs(
[=[
#include <vector>
int main() {
return 0;
}
]=]
SHOULD_RUN)
if(NOT SHOULD_RUN)
message(SEND_ERROR "check_cxx_source_runs failed for valid C executable.")
endif()
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