[LLVMbugs] [Bug 433] Avoid running tablegen if not necessary

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=433

rspencer at x10sys.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From rspencer at x10sys.com  2004-09-13 16:42 -------
Actually, never mind. I found out what was causing it. tblgen itself uses
lib/System which I'm recompiling all the time. tblgen is a dependency of the
*.inc files (as it should be). Everytime I change lib/System, tblgen gets
relinked. I didn't notice this until today because tblgen is rebuilt right after
lib/System and only one line is printed out saying that it is relinked. If I do
two builds in a row, only the first one rebuilds the tblgen and the *.inc files.
The second rebuild doesn't build anything.



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