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15 lines
492 B
CMake
15 lines
492 B
CMake
include(EnableWarnings)
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if(APPLE)
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# We cannot simply CHECK_FUNCTION_EXISTS on macOS because
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# MACOSX_DEPLOYMENT_TARGET may be set to a version in the past
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# that doesn't have futimens. Instead we need to enable warnings
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# as errors, then check for the symbol existing in `sys/stat.h`,
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# then reset warnings as errors.
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enable_warnings(error)
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check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
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disable_warnings(error)
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else()
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check_function_exists(futimens HAVE_FUTIMENS)
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endif()
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