Yup. This has been a recurrent problem for parallel builds. There's been some prior work on tracking it down, possibly attributable to time stamp granularity or some hiccup in the dependencies. Does anyone know what the relevant ticket on track is? On Monday, August 5, 2013, Kazu Yamamoto wrote:
Hi,
I'm using GHC head (32bit) on Mac. Recently, building GHC head stops:
---- % make maintainer-clean; perl boot; ./configure --prefix=/ghc-head; make -j3 ranlib: file: .libs/libgmp.a(mp_clz_tab.o) has no symbols ranlib: file: .libs/libgmp.a(obprintf.o) has no symbols ranlib: file: .libs/libgmp.a(obvprintf.o) has no symbols ranlib: file: .libs/libgmp.a(obprntffuns.o) has no symbols ranlib: file: .libs/libgmp.a(repl-vsnprintf.o) has no symbols libtool: link: rm -fr .libs/libgmp.lax libtool: link: ( cd ".libs" && rm -f "libgmp.la" && cp -p "../libgmp.la" " libgmp.la" ) cp libraries/integer-gmp/gmp/gmpbuild/gmp.h libraries/integer-gmp/gmp/ cp libraries/integer-gmp/gmp/gmpbuild/.libs/libgmp.a libraries/integer-gmp/gmp/ inplace/bin/mkdirhier libraries/integer-gmp/gmp/objs cd libraries/integer-gmp/gmp/objs && /usr/bin/ar x ../libgmp.a ranlib libraries/integer-gmp/gmp/libgmp.a ranlib: file: libraries/integer-gmp/gmp/libgmp.a(mp_clz_tab.o) has no symbols ranlib: file: libraries/integer-gmp/gmp/libgmp.a(obprintf.o) has no symbols ranlib: file: libraries/integer-gmp/gmp/libgmp.a(obvprintf.o) has no symbols ranlib: file: libraries/integer-gmp/gmp/libgmp.a(obprntffuns.o) has no symbols ranlib: file: libraries/integer-gmp/gmp/libgmp.a(repl-vsnprintf.o) has no symbols make: *** [all] Error 2 % ----
One more "make -j3" finishes the building. I'm sure that this does not happen before.
Are there any guys who get this problem?
--Kazu
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