Bug #11201
Updated by nobu (Nobuyoshi Nakada) almost 9 years ago
where it does work (existing package) ~~~ruby pkg_config("gtk+-x11-2.0") # => ["-pthread", "", "-lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype"] pkg_config("gtk+-x11-2.0", "version") # => "0.28" ~~~ where it does work (non-existing package) ~~~ruby pkg_config("wx-bla", "version") # => nil pkg_config("wx-bla") # => nil ~~~ where it maybe not work (other (pkg)-config program) ~~~ruby pkg_config("wx", "version") # => "3.1.0" pkg_config("wx") #either should try to return the same stuff as pkg_config("gtk+-x11-2.0") if possible, or if not return nil ~~~ ~~~ NoMethodError: undefined method `scan' for nil:NilClass from /usr/local/rvm/rubies/ruby-head/lib/ruby/2.3.0/shellwords.rb:73:in `shellsplit' from /usr/local/rvm/rubies/ruby-head/lib/ruby/2.3.0/mkmf.rb:1819:in `pkg_config' from (irb):11 from /usr/local/rvm/rubies/ruby-head/bin/irb:11:in `<main>' ~~~