41 lines
781 B
CMake
41 lines
781 B
CMake
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project(Unset)
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# Local variable
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set(x 42)
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if(NOT x EQUAL 42)
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message(FATAL_ERROR "x!=42")
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endif(NOT x EQUAL 42)
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if(NOT DEFINED x)
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message(FATAL_ERROR "x should be defined!")
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endif(NOT DEFINED x)
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unset(x)
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if(DEFINED x)
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message(FATAL_ERROR "x should be undefined now!")
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endif(DEFINED x)
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# Local variable test unset via set()
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set(x 43)
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if(NOT x EQUAL 43)
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message(FATAL_ERROR "x!=43")
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endif(NOT x EQUAL 43)
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set(x)
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if(DEFINED x)
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message(FATAL_ERROR "x should be undefined now!")
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endif(DEFINED x)
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# Cache variable
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set(BAR "test" CACHE STRING "documentation")
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if(NOT DEFINED BAR)
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message(FATAL_ERROR "BAR not defined")
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endif(NOT DEFINED BAR)
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unset(BAR CACHE)
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if(DEFINED BAR)
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message(FATAL_ERROR "BAR still defined")
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endif(DEFINED BAR)
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add_executable(Unset unset.cc)
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