On Mon, May 30, 2016 at 03:50:41PM -0500, Lukas Gradl wrote: > * gnu/packages/serialization.scm (msgpack): New variable.
> + (inputs > + `(("zlib" ,zlib))) I noticed that the output does not refer to zlib: $ guix gc --references $(./pre-inst-env guix build msgpack) /gnu/store/8m00x5x8ykmar27s9248cmhnkdb2n54a-glibc-2.22 /gnu/store/jh52sklgbvq5f0z637wr99a64y25cx8r-msgpack-1.4.1 /gnu/store/v39bh3ln3ncnzhyw0kd12d46kww9747v-gcc-4.9.3-lib However, the compilation fails without it. We need to make sure that msgpack can find zlib at run time. Lukas, can you check if there is a build-time configuration option to provide the path to zlib?