#15908: Hadrian: Spurious build failure on fresh build -------------------------------------+------------------------------------- Reporter: heisenbug | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.8.1 Component: Build System | Version: 8.7 (Hadrian) | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Building GHC Unknown/Multiple | failed Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- On a freshly checked-out (Windows10 64)ghc tree I was building with hadrian (`hadrian/build.bat -j`). It aborted here: | Run Ghc CompileHs Stage1: libraries/pretty/src/Text/PrettyPrint/Annotated.hs => _build/stage1/libraries/pretty/build/Text/PrettyPrint/Annotated.o | Run Ar Pack Stage1: _build/stage1/libraries/stm/build/Control/Concurrent/STM.p_o (and 9 more) => _build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a C:/Users/ggreif/ghc/inplace/mingw/bin/ar.exe: creating _build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a C:/Users/ggreif/ghc/inplace/mingw/bin/ar.exe: unable to rename '_build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a'; reason: File exists shakeArgsWith 0.001s 0% Function shake 0.317s 0% Database read 0.468s 0% With database 0.013s 0% Running rules 3492.921s 99% ========================= Total 3493.720s 100% Error when running Shake build system: * _build/stage1/lib/package.conf.d/stm-2.5.0.0.conf * _build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a user error (Development.Shake.cmd, system command failed Command: C:/Users/ggreif/ghc/inplace/mingw/bin/ar.exe q _build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a @C:\Users\ggreif\AppData\Local\Temp\extA08E Exit code: 1 Stderr: C:/Users/ggreif/ghc/inplace/mingw/bin/ar.exe: creating _build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a C:/Users/ggreif/ghc/inplace/mingw/bin/ar.exe: unable to rename '_build/stage1/libraries/stm/build/libHSstm-2.5.0.0_p.a'; reason: File exists ) Can this be a concurrency problem, while renaming archives? Anyway it healed after restarting Hadrian. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15908 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler