Hi All,
When I build with "make -j8" on my dept T2 (mavericks) I'm getting what
looks like build races. Has anyone seen this problem before?
Not being a make or unix file system expert, my only guess is that the
interface file is being written to the FS in chunks, and that make is
trying to compile modules that depend on it before the file is all
there. However, that seems so obvious that someone would have noticed
and fixed it by now.
The machine reports:
b...@mavericks:~> uname -a
SunOS mavericks 5.10 Generic_127127-11 sun4v sparc
SUNW,SPARC-Enterprise-T5120
I get the problem after:
$ make distclean
$ sh boot
$ ./configure
$ make -j8
... runs for a while then gives:
/data0/home/benl/software/ghc-6.8.3/bin/ghc -#include cutils.h -DSTAGE=1
... -XRelaxedPolyRec -idist-stage1/build -H64m -O0 -fvia-c -Rghc-timing
-O0 -c simplCore/CSE.lhs -o dist-stage1/build/CSE.o -ohi
dist-stage1/build/CSE.hi
coreSyn/CoreLint.lhs:40:0:
Bad interface file: dist-stage1/build/ListSetOps.hi
magic number mismatch: old/corrupt interface file?
-- so I start make again ------------------------------
$ make -j8
... runs for a while then gives:
/data0/home/benl/software/ghc-6.8.3/bin/ghc -#include cutils.h -DSTAGE=1
... -XRelaxedPolyRec -idist-stage1/build -H64m -O0 -fvia-c -Rghc-timing
-O0 -c coreSyn/CoreTidy.lhs -o dist-stage1/build/CoreTidy.o -ohi
dist-stage1/build/CoreTidy.hi
coreSyn/CoreTidy.lhs:27:0:
Bad interface file: dist-stage1/build/Maybes.hi
magic number mismatch: old/corrupt interface file?
-- one more time! --------------------------------------
$ make -j8
... runs for a while then gives:
/data0/home/benl/software/ghc-6.8.3/bin/ghc -#include cutils.h -DSTAGE=1
... -XRelaxedPolyRec -idist-stage1/build -H64m -O0 -fvia-c -Rghc-timing
-O0 -c codeGen/CgMonad.lhs -o dist-stage1/build/CgMonad.o -ohi
dist-stage1/build/CgMonad.hi
<<ghc: 53024912 bytes, 13 GCs, 2272460/6893568 avg/max bytes residency
(5 samples), 66M in use, 0.01 INIT (0.00 elapsed), 0.69 MUT (4.44
elapsed), 0.41 GC (2.61 elapsed) :ghc>>
codeGen/CgMonad.lhs:62:0:
Bad interface file: dist-stage1/build/CgBindery.hi-boot
magic number mismatch: old/corrupt interface file?
-- sigh, so I give up and just use a single thread ------
$ make
... build completes with no further problems.
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