deriving

Extension to OCaml for deriving functions from type declarations
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Error log

The package failed to build. The error log from opam follows.

# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# The following system packages are needed:
binutils-dev
binutils-multiarch
clang-3.9
debianutils
libboost-dev
libclang-3.9-dev
libncurses-dev
llvm-3.9-dev
ncurses-dev
pkg-config
wget
The following command needs to be run through "sudo":
    apt-get install -qq -yy binutils-dev binutils-multiarch clang-3.9 debianutils libboost-dev libclang-3.9-dev libncurses-dev llvm-3.9-dev ncurses-dev pkg-config wget
E: Unable to locate package llvm-3.9-dev
E: Couldn't find any package by glob 'llvm-3.9-dev'
E: Couldn't find any package by regex 'llvm-3.9-dev'
OS package installation failed