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35 lines
1.3 KiB
35 lines
1.3 KiB
6 years ago
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# Generator expression helpers
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macro(GENEX_OPTION name default description)
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set(${name} ${default} CACHE STRING ${description})
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set_property(CACHE ${name} PROPERTY STRINGS FOR_DEBUG FOR_RELEASE ON OFF)
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endmacro()
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# Provide an option that defaults to ON in debug builds.
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macro(DEBUG_OPTION name description)
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GENEX_OPTION(${name} FOR_DEBUG ${description})
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endmacro()
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# Provide an option that defaults to ON in non-debug builds.
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# Note that this applies to Release, RelWithDebInfo, and MinSizeRel.
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macro(RELEASE_OPTION name description)
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GENEX_OPTION(${name} FOR_RELEASE ${description})
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endmacro()
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# Generate a generator expression for the given variable's current value.
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#
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# Supported variable values and what the resulting generator expression will evaluate to:
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# * FOR_DEBUG - 1 in Debug config.
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# * FOR_RELEASE - 1 in non-Debug config (Release, RelWithDebInfo).
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# * Boolean value (TRUE, FALSE, ON, 1, etc) - that value as 0 or 1.
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#
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# Result is set on ${option}_GENEX in the calling scope.
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function(genex_for_option name)
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set(value ${${name}})
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set(
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${name}_GENEX
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$<IF:$<STREQUAL:${value},FOR_DEBUG>,$<CONFIG:Debug>,$<IF:$<STREQUAL:${value},FOR_RELEASE>,$<NOT:$<CONFIG:Debug>>,$<BOOL:${value}>>>
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PARENT_SCOPE
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)
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endfunction()
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