#5276: Multithreaded build failure
----------------------------------+-----------------------------------------
Reporter: daniel.is.fischer | Owner:
Type: bug | Status: new
Priority: normal | Component: Build System
Version: 7.1 | Keywords:
Testcase: | Blockedby:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: None/Unknown
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Building HEAD via `sh validate` fails with
{{{
"inplace/bin/ghc-stage2" -H32m -O -Wall -Werror -H64m -O0 -package-
name dph-seq-0.5 -hide-all-packages -i -ilibraries/dph/dph-seq/../dph-
common -ilibraries/dph/dph-seq/dist-install/build -ilibraries/dph/dph-seq
/dist-install/build/autogen -Ilibraries/dph/dph-seq/dist-install/build
-Ilibraries/dph/dph-seq/dist-install/build/autogen -Ilibraries/dph/dph-
seq/. -optP-include -optPlibraries/dph/dph-seq/dist-
install/build/autogen/cabal_macros.h -package array-0.3.0.2 -package
base-4.3.1.0 -package dph-base-0.5 -package dph-prim-seq-0.5 -package
ghc-7.1.20110624 -package ghc-prim-0.2.0.0 -package random-1.0.0.3
-package template-haskell-2.5.0.0 -Odph -funbox-strict-fields -fcpr-off
-fdph-this -package-name dph-seq -XHaskell98 -XTypeFamilies -XGADTs
-XRankNTypes -XBangPatterns -XMagicHash -XUnboxedTuples -XTypeOperators
-O2 -O -dcore-lint -fno-warn-deprecated-flags -no-user-package-conf
-rtsopts -Wwarn -odir libraries/dph/dph-seq/dist-install/build -hidir
libraries/dph/dph-seq/dist-install/build -stubdir libraries/dph/dph-seq
/dist-install/build -hisuf hi -osuf o -hcsuf hc -c libraries/dph/dph-seq
/../dph-common/Data/Array/Parallel/PArray/PData.hs -o libraries/dph/dph-
seq/dist-install/build/Data/Array/Parallel/PArray/PData.o
Loading package ghc-prim ... linking ... done.
<snip>
Loading package dph-base-0.5 ... linking ... done.
Loading package dph-prim-interface-0.5 ... linking ... done.
Loading package dph-prim-seq-0.5 ... <command line>: can't load .so/.DLL
for: HSdph-prim-seq-0.5 (libHSdph-prim-seq-0.5.so: cannot open shared
object file: No such file or directory)
gmake[1]: *** [libraries/dph/dph-seq/dist-
install/build/Data/Array/Parallel/PArray/PData.o] Fehler 1
gmake[1]: *** Warte auf noch nicht beendete Prozesse...
gmake: *** [all] Fehler 2
}}}
The build goes through when I invoke `THREADS=1 sh validate`, but it also
fails when I specify `THREADS=2`. The build always fails at the same
place, with the same error, it seems that with multiple threads, it tries
to build dph-seq before dph-prim-seq is completed.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5276>
GHC <http://www.haskell.org/ghc/>
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