m4: 1.4.18 -> 1.4.19, remove patches.
libxml2: 2.9.12
wxwidgets: master (3.0.5.1 on mac for 10.7)
Run script with brew bash.
Unlink brew wxwidgets before build and relink after because it conflicts
with the built version, this needs to be fixed.
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Add indirect dependencies that cmake complains about and remove ccache
because it currently fails to build on NixOS unstable.
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Add a `default.nix` with the list of dependencies.
Detect NixOS in installdeps and display the `nix-shell` command to
build.
Signed-off-by: Rafael Kitover <rkitover@gmail.com>