Resolving dependencies...
Downloading darcs-graph-0.2...
[1 of 1] Compiling Main             ( /tmp/darcs-graph-0.2-5348/darcs-graph-0.2/Setup.hs, /tmp/darcs-graph-0.2-5348/darcs-graph-0.2/dist/setup/Main.o )

/tmp/darcs-graph-0.2-5348/darcs-graph-0.2/Setup.hs:3:29: Warning:
    In the use of `defaultUserHooks'
    (imported from Distribution.Simple):
    Deprecated: "Use simpleUserHooks or autoconfUserHooks, unless you need Cabal-1.2
             compatibility in which case you must stick with defaultUserHooks"
Linking /tmp/darcs-graph-0.2-5348/darcs-graph-0.2/dist/setup/setup ...
Warning: defaultUserHooks in Setup script is deprecated.
Configuring darcs-graph-0.2...
Warning: No 'build-type' specified. If you do not need a custom Setup.hs or
./configure script then use 'build-type: Simple'.
Warning: The 'license-file' field refers to the file 'LICENSE' which does not
exist.
Building darcs-graph-0.2...
Preprocessing executable 'darcs-graph' for darcs-graph-0.2...

<no location info>: 
Failing due to -Werror.

on the commandline: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead
Failed to install darcs-graph-0.2
cabal: Error: some packages failed to install:
darcs-graph-0.2 failed during the building phase. The exception was:
ExitFailure 1