Resolving dependencies...
Downloading posix-realtime-0.0.0.2...
Configuring posix-realtime-0.0.0.2...
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
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checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
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checking how to run the C preprocessor... gcc -E
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checking value of SIGABRT... 6
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configure: creating ./config.status
config.status: creating unix.buildinfo
config.status: creating include/HsUnixConfig.h
config.status: include/HsUnixConfig.h is unchanged
Building posix-realtime-0.0.0.2...
Preprocessing library posix-realtime-0.0.0.2...
In file included from MQueue.hsc:80:0:
/usr/local/lib/ghc-7.6.3/unix-2.6.0.1/include/HsUnix.h:81:21: fatal error: libutil.h: No such file or directory
compilation terminated.
compiling dist/build/System/Posix/Realtime/MQueue_hsc_make.c failed (exit code 1)
command was: /usr/bin/gcc -c dist/build/System/Posix/Realtime/MQueue_hsc_make.c -o dist/build/System/Posix/Realtime/MQueue_hsc_make.o -fno-stack-protector -Wl,--hash-size=31 -Wl,--reduce-memory-overheads -D__GLASGOW_HASKELL__=706 -Dlinux_BUILD_OS=1 -Dx86_64_BUILD_ARCH=1 -Dlinux_HOST_OS=1 -Dx86_64_HOST_ARCH=1 -Iinclude -I/usr/local/lib/ghc-7.6.3/unix-2.6.0.1/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/usr/local/lib/ghc-7.6.3/time-1.4.0.1/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/usr/local/lib/ghc-7.6.3/bytestring-0.10.0.2/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/usr/local/lib/ghc-7.6.3/base-4.6.0.1/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/usr/local/lib/ghc-7.6.3/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/usr/local/lib/ghc-7.6.3/include/
Failed to install posix-realtime-0.0.0.2
cabal: Error: some packages failed to install:
posix-realtime-0.0.0.2 failed during the building phase. The exception was:
ExitFailure 1