Workaround to build `mirb` with Homebrew's readline on Mac; fix
MODIFY
mrbgems/mruby-bin-mirb/mrbgem.rake
mrbgems/mruby-bin-mirb/mrbgem.rake
@@ -20,6 +20,15 @@ MRuby::Gem::Specification.new('mruby-bin-mirb') do |spec|
spec.linker.libraries << 'edit'
else
spec.linker.libraries << 'readline'
+ if RUBY_PLATFORM.include?('darwin')
+ # Workaround to build with Homebrew's readline on Mac (#4537)
+ lib_path = spec.build.cc.header_search_paths.find do |include_path|
+ lib_path = File.expand_path("#{include_path}/../lib")
+ break lib_path if File.exist?("#{lib_path}/libreadline.dylib") ||
+ File.exist?("#{lib_path}/libreadline.a")
+ end
+ spec.linker.library_paths << lib_path if lib_path
+ end
if spec.build.cc.search_header_path 'curses.h'
spec.linker.libraries << 'ncurses'
end

Workaround to build `mirb` with Homebrew's readline on Mac; fix #4537