Pierre Neidhardt <mail@ambrevar.xyz> writes:

> Since the move to gcc 7, encfs cannot be built:
>
> --8<---------------cut here---------------start------------->8---
> In file included from /tmp/guix-build-encfs-1.9.5.drv-0/encfs-1.9.5/vendor/github.com/muflihun/easyloggingpp/src/easylogging++.h:340:0,
> 								 from /tmp/guix-build-encfs-1.9.5.drv-0/encfs-1.9.5/vendor/github.com/muflihun/easyloggingpp/src/easylogging++.cc:17:
> /gnu/store/x3jx25cd3q363mr7nbgzrhrv1vza6cf7-gcc-7.4.0/include/c++/cstdlib:75:15: fatal error: stdlib.h: No such file or directory
>  #include_next <stdlib.h>
> 							 ^~~~~~~~~~
> compilation terminated.
> --8<---------------cut here---------------end--------------->8---

Fixed in 1df9245586939e5a359f8c486662642d9d5998b5, thanks!