support FreeBSD

* Instead of relying on `man -`, we call Groff directly.
* Naturally, we must depend on Groff as well.
* man-db is not available on FreeBSD

1 files changed, 17 insertions, 0 deletions

diff --git a/README.md b/README.md
index 31b49b5..89fd84d 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ Possible future features:
 * Be tolerant to typing mistakes.
 * Accented characters are still broken in nroff tables
   (see https://lists.gnu.org/archive/html/groff/2018-08/msg00000.html).
+  We could and probably should of translate most vowel-accent combinations to single precomposed codepoints,
+  but that might cause problems when copying text from the terminal.
 
 ## Installation
 
@@ -72,6 +74,21 @@ If it returns lots of errors, you should probably stay with the original databas
 Otherwise, the error messages might help in fixing/upgrading the script.
 You are of course welcome to contribute patches. :-)
 
+### FreeBSD
+
+Build-time dependencies:
+
+    pkg install gmake pkgconf groff lua52 lua52-luasql-sqlite3 lua52-luarocks wget sqlite3
+
+Installing [luautf8](https://github.com/starwing/luautf8) using LuaRocks:
+
+    luarocks52 install luautf8
+
+Building is straight forward:
+
+    gmake LUA=lua52 LUAC=luac52
+    gmake install
+
 ### NixOS
 
 `openrussian-cli` is part of the `nixos-unstable` (and soon `nixos-21.05`) channels.