尝试安装 therubyracer 时出现此错误：
# gem install therubyracer -v '0.12.1'
Fetching: ref-1.0.5.gem (100%)
Successfully installed ref-1.0.5
Fetching: libv8-3.16.14.3-x86_64-linux.gem (100%)
Successfully installed libv8-3.16.14.3-x86_64-linux
Fetching: therubyracer-0.12.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing therubyracer:
ERROR: Failed to build gem native extension.
/usr/local/rvm/rubies/ruby-2.1.2/bin/ruby extconf.rb
checking for main() in -lpthread... yes
creating Makefile
make "DESTDIR=" clean
make "DESTDIR="
compiling accessor.cc
compiling array.cc
compiling backref.cc
compiling constants.cc
compiling constraints.cc
compiling context.cc
compiling date.cc
compiling exception.cc
compiling external.cc
compiling function.cc
compiling gc.cc
compiling handles.cc
compiling heap.cc
compiling init.cc
compiling invocation.cc
compiling locker.cc
compiling message.cc
compiling object.cc
compiling primitive.cc
compiling rr.cc
compiling script.cc
compiling signature.cc
compiling stack.cc
compiling string.cc
compiling template.cc
compiling trycatch.cc
compiling v8.cc
compiling value.cc
linking shared-object v8/init.so
g++: error: /usr/local/rvm/gems/ruby-2.1.2@watu/gems/libv8-3.16.14.3-x86_64-linux/vendor/v8/out/ia32.release/obj.target/tools/gyp/libv8_base.a: No such file or directory
g++: error: /usr/local/rvm/gems/ruby-2.1.2@watu/gems/libv8-3.16.14.3-x86_64-linux/vendor/v8/out/ia32.release/obj.target/tools/gyp/libv8_snapshot.a: No such file or directory
make: *** [init.so] Error 1
make failed, exit code 2
Gem files will remain installed in /usr/local/rvm/gems/ruby-2.1.2@watu/gems/therubyracer-0.12.1 for inspection.
Results logged to /usr/local/rvm/gems/ruby-2.1.2@watu/extensions/x86_64-linux/2.1.0/therubyracer-0.12.1/gem_make.out
这是在 64 位服务器上：
# uname -a
Linux einstein 3.14.1-x86_64-linode39 #1 SMP Fri Apr 25 13:07:35 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
在另一台 x86_64 服务器上，它可以毫无问题地安装。有什么想法吗？