[LLVMbugs] [Bug 626] NEW: [makefiles] Dependency bug with .y files

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=626

           Summary: [makefiles] Dependency bug with .y files
           Product: Build scripts
           Version: cvs
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Makefiles
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sabre at nondot.org
                CC: rspencer at x10sys.com


If I modify a .y file and rebuild, it is not picking up the changes I made in the generated
files.  If I rebuild a second time, it works.

To reproduce:

1. make a change to a .y file, e.g. add an abort to the .ll file parser.
2. makellvm llvm-as  ;; (does rebuild stuff)
3. llvm-as < foo.ll   ;;; no abort
4. makellvm llvm-as   ;;; no files modified, but does rebuild stuff again
5. llvm-as < foo.ll   ;; abort

Reid verified this bug, but doesn't have time to fix it at the moment.

-Chris



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