[nightly] 30-Jul-2012 build of HEAD (unreg) on x86_64-unknown-linux (cam-04-unx)

[GHC Build Reports]

Build description = HEAD (unreg) on x86_64-unknown-linux (cam-04-unx)
Build location    = /64playpen/simonmar/nightly/HEAD-unreg-cam-04-unx
Build config file = /home/simonmar/nightly/site/msrc/conf-HEAD-unreg-cam-04-unx

Nightly build started on cam-04-unx at Mon Jul 30 18:20:01 BST 2012.
**** checking out new source tree                 ... tar: Cowardly refusing to create an empty archive
Try `tar --help' or `tar --usage' for more information.
ok.
**** Building stage 1 compiler                    ... failed; relevant barfage is below.
grep: /64playpen/simonmar/nightly/HEAD-unreg-cam-04-unx/x86_64-unknown-linux/mk/project.mk: No such file or directory
GHC Version 
No successfully built compilers to test; aborting.

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The last 30 lines of /64playpen/simonmar/nightly/HEAD-unreg-cam-04-unx/logs/x86_64-unknown-linux-stage1 are
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Creating libraries/Win32/ghc.mk
Creating libraries/Win32/GNUmakefile
Creating libraries/xhtml/ghc.mk
Creating libraries/xhtml/GNUmakefile
Booting .
Booting libraries/base/
Booting libraries/directory/
Booting libraries/integer-gmp/
Booting libraries/old-time/
Booting libraries/process/
Booting libraries/terminfo/
Booting libraries/time/
Booting libraries/unix/

WARNING: You don't have a mk/build.mk file.

By default a standard GHC build will be done, which uses optimisation
and builds the profiling libraries. This will take a long time, so may
not be what you want if you are developing GHC or the libraries, rather
than simply building it to use it.

For information on creating a mk/build.mk file, please see:
    http://hackage.haskell.org/trac/ghc/wiki/Building/Using#Buildconfiguration

checking for gfind... no
checking for find... /usr/bin/find
checking for sort... /usr/bin/sort
checking for GHC version date... configure: WARNING: cannot determine snapshot version: no .git or _darcs directory and no VERSION file
checking version of ghc... 7.0.3
configure: error: GHC version 7.4 or later is required to compile GHC.

Nightly run ended at Mon Jul 30 18:21:28 BST 2012