haskell-augeas version 0.4.0-1build1 FTBFS on i386 in precise

This is a semi-automatic report based on the latest archive rebuild results [1].
Apologies if it reaches you in error.

Excerpt from the buildlog:

    Warning: In the use of `runTests'
             (imported from Distribution.Simple, but defined in Distribution.Simple.UserHooks):
             Deprecated: "Please use the new testing interface instead!"
Linking debian/hlibrary.setup ...
debian/hlibrary.setup configure --ghc -v2 \
  --prefix=/usr --libdir=/usr/lib/haskell-packages/ghc/lib \
  --builddir=dist-ghc \
  --haddockdir=/usr/lib/ghc-doc/haddock/augeas-0.4.0/ \
  --htmldir=/usr/share/doc/libghc-augeas-doc/html/ --enable-library-profiling \

Configuring augeas-0.4.0...
Dependency base >=4.0 && <5: using base-4.3.1.0
Dependency bytestring >=0.9.0.1: using bytestring-0.9.1.10
Dependency directory -any: using directory-1.1.0.0
Dependency unix >=2.3.0.0: using unix-2.4.2.0
Dependency augeas -any: using version 0.10.0
hlibrary.setup: Package libxml-2.0 was not found in the pkg-config search
path.
Perhaps you should add the directory containing `libxml-2.0.pc'
to the PKG_CONFIG_PATH environment variable
Package 'libxml-2.0', required by 'augeas', not found
make: *** [dist-ghc] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20120206-0557
FAILED [dpkg-buildpackage died]

The full buidlog can be found at https://launchpad.net/ubuntu/+archive/test-rebuild-20120201/+build/3149289/+files/buildlog_ubuntu-precise-i386.haskell-augeas_0.4.0-1build1_FAILEDTOBUILD.txt.gz.

[1] http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20120201-precise.html