Ubuntu 12.10 で次のコマンドを実行すると
gem install caldecott
次のエラー メッセージが表示されます
Building native extensions. This could take a while...
ERROR: Error installing caldecott:
ERROR: Failed to build gem native extension.
/home/luisramalho/.rvm/rubies/ruby-2.0.0-p0/bin/ruby extconf.rb
creating Makefile
make
compiling generator.c
generator.c: In function ‘cState_aref’:
generator.c:632:5: warning: variable ‘state’ set but not used [-Wunused-but-set-variable]
generator.c: In function ‘isArrayOrObject’:
generator.c:867:5: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
linking shared-object json/ext/generator.so
make install
/usr/bin/install -c -m 0755 generator.so /home/luisramalho/.rvm/gems/ruby-2.0.0-p0/gems/json-1.6.8/ext/json/ext/json/ext
/usr/bin/install: cannot create regular file `/home/luisramalho/.rvm/gems/ruby-2.0.0-p0/gems/json-1.6.8/ext/json/ext/json/ext': No such file or directory
make: *** [install-so] Error 1
Gem files will remain installed in /home/luisramalho/.rvm/gems/ruby-2.0.0-p0/gems/json-1.6.8 for inspection.
Results logged to /home/luisramalho/.rvm/gems/ruby-2.0.0-p0/gems/json-1.6.8/ext/json/ext/generator/gem_make.out
誰がこれを引き起こしているのか考えていますか?