Brad King 4fbdce2b79 try_compile: Use random executable file name (#12957) ...

Append a random number to the "cmTryCompileExec" file name to avoid
rapid creation and deletion of the same executable file name.  Some
filesystems lock executable files when they are created and cause
subsequent try-compile tests to fail arbitrarily.  Use a different
name each time to avoid conflict.

2012-02-16 10:13:50 -05:00

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