問題なくlibv8 gem を個別にインストールしましたが、therubyracer gem をインストールしようとすると、次のエラーが発生します。
Building native extensions. This could take a while...
ERROR: Error installing therubyracer:
ERROR: Failed to build gem native extension.
/usr/bin/ruby extconf.rb
checking for main() in -lpthread... yes
Warning! Unable to load libv8 ~> 3.16.14.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/usr/bin/ruby
--with-pthreadlib
--without-pthreadlib
--enable-debug
--disable-debug
extconf.rb:32:in `<main>': undefined method `configure_makefile' for Libv8:Module (NoMethodError)
Gem files will remain installed in /home/thecodehitman/ruby/gems/gems/therubyracer-0.12.1 for inspection.
Results logged to /home/thecodehitman/ruby/gems/gems/therubyracer-0.12.1/ext/v8/gem_make.out
何をすべきかわからない。