validator1-linux-x86-head (Linux/x86 HEAD (Mateusz Kowalczyk)), build 1, Failure

[Builder]

validator1-linux-x86-head (Linux/x86 HEAD (Mateusz Kowalczyk)), build 1

Build failed
Details: http://haskell.inf.elte.hu/builders/validator1-linux-x86-head/1.html

git clone          | Success
create mk/build.mk | Success
get subrepos       | Success
repo versions      | Success
booting            | Success
configuring        | Failure: Just (ExitFailure 1)

Build failed
Details: http://haskell.inf.elte.hu/builders/validator1-linux-x86-head/1.html

-------------- next part --------------
conftest.xml:6: element book: validity error : No declaration for attribute id of element book
<book id="test">
               ^
conftest-book.xml:2: parser error : Entity 'ldquo' not defined
  <title>A DocBook “Test Document”</title>
                          ^
conftest-book.xml:2: parser error : Entity 'rdquo' not defined
  <title>A DocBook “Test Document”</title>
                                              ^
conftest-book.xml:11: parser error : chunk is not well balanced

^
conftest.xml:7: parser error : Failure to process entity conftest-book
&conftest-book;
               ^
conftest.xml:7: parser error : Entity 'conftest-book' not defined
&conftest-book;
               ^
checking for DocBook DTD... failed
configure: WARNING: cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation
configure: WARNING: check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog
checking for xsltproc... /usr/bin/xsltproc
checking for DocBook XSL stylesheet... no
configure: WARNING: cannot find DocBook XSL stylesheets, you will not be able to build the documentation
checking for dblatex... no
configure: WARNING: cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation
checking for ghc-pkg matching /usr/bin/ghc... /usr/bin/ghc-pkg
checking for happy... no
checking for version of happy... 
configure: error: Happy version 1.19 or later is required to compile GHC.