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20 lines
591 B
20 lines
591 B
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enable_language (CXX)
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include(CheckCXXCompilerFlag)
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set(CXX 1) # test that this is tolerated
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if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "PathScale")
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set(DD --)
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endif()
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check_cxx_compiler_flag("${DD}-_this_is_not_a_flag_" CXX_BOGUS_FLAG)
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if(CXX_BOGUS_FLAG)
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message(SEND_ERROR "CHECK_CXX_COMPILER_FLAG() succeeded, but should have failed")
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endif()
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unset(CXX_BOGUS_FLAG CACHE)
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if(DEFINED CXX_BOGUS_FLAG)
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# Verify that CHECK_CXX_COMPILER_FLAG didn't construct a normal variable
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message(SEND_ERROR "CHECK_CXX_COMPILER_FLAG shouldn't construct CXX_BOGUS_FLAG as a normal variable")
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endif()
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