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[cmake] Add a SwiftUtils.cmake file to contain little helper routines such as precondition.

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This commit is contained in:
Michael Gottesman
2016-06-22 14:20:05 -07:00
parent cf0fc1ab9c
commit e12fff76fd
1 changed files with 5 additions and 0 deletions
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5
cmake/modules/SwiftUtils.cmake Normal file
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function(precondition var)
if (NOT ${var})
message(FATAL_ERROR "Error! Variable ${var} is false or not set!")
endif()
endfunction()