[swift-corelibs-dev] NSDate, NSDateFormatter

Tony Parker anthony.parker at apple.com
Fri Dec 11 10:59:38 CST 2015

Hi Joe,

Try this as a workaround: Set the LD_LIBRARY_PATH environment variable to $INSTALLED_LOCATION_OF_SWIFT/usr/lib/swift/linux

This should only affect the REPL and not compiled code.

I think this is supposed to be fixed in the top of tree Swift but not in the Dec 1 binary drop.

- Tony

> On Dec 11, 2015, at 5:54 AM, Joseph Bell via swift-corelibs-dev <swift-corelibs-dev at swift.org> wrote:
> All,
> Howdy.  I am using swift-2.2-SNAPSHOT-2015-12-01-b-ubuntu14.04 that was released on December 1.  The following code:
> import Foundation
> let dateFormatter = NSDateFormatter()
> dateFormatter.dateFormat = "dd-MM-yyyy"
> let dateStr = dateFormatter.stringFromDate(NSDate())
> print(dateStr)
> results in 
> LLVM ERROR: Program used external function '_TFC10Foundation6NSDateCfT_S0_' which could not be resolved!
> when executed with the swift driver, and then when compiled with swiftc the print statement just gives a blank newline.
> I don't know if this is a known issue (I haven't found any reference on the status page or elsewhere indicating this was unimplemented), or I have an environmental problem.
> Thoughts?
> Joe
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