23 lines
597 B
CMake
23 lines
597 B
CMake
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project(${RunCMake_TEST} LANGUAGES C)
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check_ipo_supported(RESULT result OUTPUT output)
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string(COMPARE EQUAL "${result}" "" is_empty)
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if(is_empty)
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message(FATAL_ERROR "Result variable is empty")
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endif()
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string(COMPARE EQUAL "${result}" "YES" is_yes)
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string(COMPARE EQUAL "${result}" "NO" is_no)
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if(is_yes)
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# Compiler supports IPO
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elseif(is_no)
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# Compiler doesn't support IPO, output should not be empty.
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string(COMPARE EQUAL "${output}" "" is_empty)
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if(is_empty)
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message(FATAL_ERROR "Output is empty")
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endif()
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else()
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message(FATAL_ERROR "Unexpected result: ${result}")
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endif()
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