This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions

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function(swap var1 var2)
set(_SWAP_TEMPORARY "${${var1}}")
set(${var1} "${${var2}}" PARENT_SCOPE)
set(${var2} "${_SWAP_TEMPORARY}" PARENT_SCOPE)
endfunction(swap)

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set(x 42)
set(y "string")
swap(x y)
message(STATUS ${x}) # -- string
message(STATUS ${y}) # -- 42

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set(x 42)
set(_SWAP_TEMPORARY "string")
swap(x _SWAP_TEMPORARY)
message(STATUS ${x}) # -- 42
message(STATUS ${_SWAP_TEMPORARY}) # -- 42

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string(TOUPPER CACHE x)
set(y "string")
swap(x y) # CMake Error... set given invalid arguments for CACHE mode.