Upgrade supported Ruby version to 2.5.

Ruby 2.5 is the oldest maintained version.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-02-09 22:29:42 +09:00
parent aa5b7fbd80
commit 20342714ea
+1 -1
View File
@@ -11,7 +11,7 @@ To compile mruby out of the source code you need the following tools:
* Linker (e.g. `gcc` or `clang`)
* Archive utility (e.g. `ar`)
* Parser generator (`bison`)
* Ruby 2.0 or later (e.g. `ruby` or `jruby`)
* Ruby 2.5 or later (e.g. `ruby` or `jruby`)
Note that `bison` bundled with MacOS is too old to compile `mruby`.
Try `brew install bison` and follow the instruction shown to update