@@ -22,6 +22,9 @@ add-apt-repository ppa:hvr/ghc -y
2222add-apt-repository -y ppa:marutter/rrutter
2323# not sure what this was needed for
2424#add-apt-repository -y ppa:openstack-ubuntu-testing/icehouse
25+wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
26+echo "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-4.0 main" >> /etc/apt/sources.list
27+echo "deb-src http://apt.llvm.org/xenial/ llvm-toolchain-xenial-4.0 main" >> /etc/apt/sources.list
2528
2629# Set the GHC version
2730GHCVER=8.0.2
@@ -112,6 +115,7 @@ apt-get install -y \
112115 libzmq3-dev \
113116 llvm-3.7 \
114117 locales \
118+ llvm-4.0-dev \
115119 m4 \
116120 nettle-dev \
117121 nodejs \