我正在尝试安装libv8 3.16.14.3,但使用最新的稳定rvm和ruby-1.9.3-p125在OSX Mavericks上出错.
这是运行命令'gem install libv8'的输出:
~/src(branch:master) » gem install libv8
Fetching: libv8-3.16.14.3.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing therubyracer:
ERROR: Failed to build gem native extension.
/Users/me/.rvm/rubies/ruby-1.9.3-p125/bin/ruby extconf.rb
creating Makefile
Compiling v8 for x64
Using python 2.7.5
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Unable to find a compiler officially supported by v8.
It is recommended to use GCC v4.4 or higher
Using compiler: g++
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Unable to find a compiler officially supported …我做了一个铁轨项目,
rails new test_bootstrap.
成功了.
搬到了项目目录并添加了宝石
gem "therubyracer"
gem "less-rails" #Sprockets (what Rails 3.1 uses for its asset pipeline) supports LESS
gem "twitter-bootstrap-rails"
并运行
bundle install
之后,我有这个错误.
Installing libv8 (3.16.14.3)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
c:/RailsInstaller/Ruby1.9.3/bin/ruby.exe extconf.rb
creating Makefile
??? ??? ?? ? ????. ??? ??? ?? ?
????. ??? ??? ?? ? ????.
c:/RailsInstaller/Ruby1.9.3/lib/ruby/ge
ms/1.9.1/gems/libv8-3.16.14.3/ext/libv8/builder.rb:58:in `setup_python!': libv8 requires
python 2 to be installed in order to build, but it is currently not available (RuntimeErr
or) from …我正在尝试在Mavericks上安装以下gem版本
显然,therubyracer宝石取决于libv8.
什么是libv8？我的一些研究似乎表明它是Google Chrome使用的某种javascript库？
我在安装它时遇到了麻烦,但是这个很棒的帖子既有我的错误,也有关于如何绕过它的解释清楚的答案.
所以我安装libv8了
gem install libv8 -- --with-system-v8
这是我的理解,这安装了gem,但使用我的本地系统安装v8库而不是... gem附带的版本？无论哪种方式,它都是成功的.
在下一步中,我在安装therubyracergem时遇到了麻烦.我不太确定这个gem是做什么的,只是因为它是我正在尝试的rails项目的依赖项bundle install.
它给了我以下错误:
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/Users/jeeves.butler/.rvm/rubies/ruby-1.9.2-p290/bin/ruby extconf.rb
checking for main() in -lpthread... yes
checking for main() in -lobjc... yes
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. …问题如下.
Error installing libv8:
ERROR: Failed to build gem native extension.
D:/Ruby193/bin/ruby.exe extconf.rb
creating Makefile
The system can not find the specified path
D:Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:49:in'setup_python!':libv8 requires python 2 to be installed in order to build,but it is currently not available (RuntimeError)
from D:Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:35:in 'block in build_libv8!'
from D:Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:34:in 'chdir'
from D:Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:34:in 'build_libv8!'
from D:Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:34:in 'install!'
from extconf.rb:7: in '<main>'
I have installed the python27 and add the path.
python --version
Python 2.7.4
然后我检查代码如下.
def setup_python!
# If python v2 cannot be …好的,我正处于我的束缚之中.有一些类似的问题,但他们都提到了Therubyracer 0.10,他们大多认为问题可以通过升级到0.12来解决.
我有类似的问题,但是当我使用0.12时.
我在使用'标准'(xcode？)gcc以及来自自制软件的apple-gcc42和gcc时遇到了问题.我都试过--with-system-v8和--without-system-v8,并再次,没有骰子.
这是一些日志:
$ cd ~/Documents/code/website
$ rvm gemset empty
$ ruby -v
ruby 1.9.3p448 (2013-06-27 revision 41675) [x86_64-darwin10.8.0]
$ grep rubyracer Gemfile
gem 'therubyracer', '~> 0.12.0'
$ brew list | grep v8
$ cat ~/.bundle/config
$ cat .bundle/config
BUNDLE_BIN: bin
$ $CXX
$ $CPP
$ $CC
$ which gcc
/usr/bin/gcc
$ which g++
/usr/bin/g++
$ g++ -v
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-
gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 5.1 (clang-503.0.38) (based …我想在Ubuntu 12.04上安装PHP5.5的v8js扩展,但无法使其正常工作.
当我尝试使用PECL安装v8js扩展版本0.2.0(最新版本)时,我收到此消息:
configure:错误:libv8必须是3.24.6或更高版本错误:`/ tmp/pear/temp/v8js/configure --with-v8js'失败
如果我尝试安装旧版本,我有编译错误.此消息与我的问题非常相似:在ubuntu上为php安装v8js
我该如何解决这个问题？
编辑:我无法使用PHP5.5在Ubuntu 14.04上安装它,即使使用PHP将PHP降级到PHP 5.4降级.但是,使用Ubuntu 12.04和PHP 5.4非常有效.我没有尝试在Ubuntu 12.04上从PHP 5.5降级到5.4.
所以我有这个问题,其中libv8-3.16.14.3无法安装,即使它欺骗性地告诉你它确实安装.
所以问题的第一个迹象就是:
An error occurred while installing libv8 (3.16.14.3), and Bundler cannot continue.
Make sure that `gem install libv8 -v '3.16.14.3'` succeeds before bundling.
期间bundle install.所以我做了一些谷歌搜索,并遇到了这个响应,运行时:
gem install libv8 -v '3.16.14.3' -- --with-system-v8
Building native extensions with: '--with-system-v8'
This could take a while...
Successfully installed libv8-3.16.14.3
Parsing documentation for libv8-3.16.14.3
Done installing documentation for libv8 after 1 seconds
1 gem installed
引导您认为它有效.但bundle install再次运行,看到有问题的错误是:
An error occurred while installing libv8 (3.16.14.3), and Bundler cannot continue. …我正在研究一个项目,经常遇到有关therubyracer和libv8的问题,所以我决定删除它们.它似乎是唯一使用它们作为依赖的东西是较少的轨道,我想要删除无论如何.
我的主要问题是它们是什么,我是否需要它们在普通应用程序中,如果是这样,为什么？
我正在运行全新安装的OSX 10.9 Mavericks和XCode 5.0.1.当我试图在我的项目中运行bundle install时,它无法安装libv8 gem.这是输出:
ERROR: Error installing libv8:
ERROR: Failed to build gem native extension.
/Users/user1/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb
creating Makefile
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Unable to find a compiler officially supported by v8.
It is recommended to use GCC v4.4 or higher
Using compiler: g++
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/atomicops_internals_x86_gcc.o has no symbols
In file included from ../src/accessors.cc:28:
In file included from ../src/v8.h:60:
In file included from ../src/objects-inl.h:38:
In file included from ../src/elements.h:33:
In file included from ../src/heap.h:41:
../src/store-buffer.h:229:9: error: private …我在这里得到一个循环错误:
Bundler::GemspecError: Could not read gem at /path/to/website/vendor/cache/ruby/2.1.0/cache/libv8-3.16.14.7-x86_64-darwin-14.gem. It may be corrupted.
An error occurred while installing libv8 (3.16.14.7), and Bundler cannot continue.
Make sure that `gem install libv8 -v '3.16.14.7'` succeeds before bundling.
$ gem install libv8 -v '3.16.14.7'
Successfully installed libv8-3.16.14.7-x86_64-darwin-14
/Users/snowcrash/.rvm/gems/ruby-2.1.5/gems/rdoc-4.0.1/lib/rdoc/markdown.rb:15931: warning: encountered \r in middle of line, treated as a mere space
Parsing documentation for libv8-3.16.14.7-x86_64-darwin-14
Done installing documentation for libv8 after 0 seconds
1 gem installed
$ bundle install --path vendor/cache
... many lines here …