在Windows上安装therubyracer并安装了libv8 --with-system-v8

问题描述：

我终于在Windows上安装了libv8 gem install libv8---with-system-v8

I finally got libv8 installed on my windows with gem install libv8 -- --with-system-v8

现在，当我尝试安装therubyracer时，我会得到

now when I am trying to install therubyracer I get

gem install therubyracer
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
Building native extensions.  This could take a while...
ERROR:  Error installing therubyracer:
        ERROR: Failed to build gem native extension.

        C:/Ruby193/bin/ruby.exe extconf.rb --with-system-v8
checking for main() in -lpthread... no
checking for v8.h... no
*** 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}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby193/bin/ruby
        --with-pthreadlib
        --without-pthreadlib
        --enable-debug
        --disable-debug
        --with-v8-dir
        --without-v8-dir
        --with-v8-include
        --without-v8-include=${v8-dir}/include
        --with-v8-lib
        --without-v8-lib=${v8-dir}/
C:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/location.rb:50:in `configure': You hav
e chosen to use the version of V8 found on your system (Libv8::Location::System::NotFoundError)
and *not* the one that is bundle with the libv8 rubygem. However,
it could not be located. please make sure you have a version of
v8 that is compatible with 3.16.14.3 installed. You may
need to special --with-v8-dir options if it is in a non-standard
location

thanks,
The Mgmt

我想知道的是此错误消息的真正含义是什么? 我也查了这个 https://github.com/cowboyd/libv8#bring-您自己的v8 如何安装v8标头?

What I want to know is what this error message really means? Also I looked this up https://github.com/cowboyd/libv8#bring-your-own-v8 How do I install headers for v8?

答

遇到此问题时，我发现我不需要开发中的gems，因为rails用来预编译您的资产，所以我的解决方案非常简单，

When I faced this problem I found that I didn't need those gems in development, because rails use to precompile your assets, so my solution was pretty simple,

gem "rails"

group :production do
  gem 'therubyracer'
end

然后当您捆绑运行此命令时

Then when you bundle run this command

$ bundle install --without production

然后对生活微笑:D

在Windows上安装therubyracer并安装了libv8 --with-system-v8

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