ruby-on-rails – 在OS X 10.10上,gem install therubyracer -v

发布时间：2020-12-17 03:24:14 所属栏目：百科来源：网络整理

导读：按照这里的步骤 “gem install therubyracer -v ‘0.10.2’” on osx mavericks not installing,我能够得到therubyracer -v 0.10.2和0.12.0安装正常,但不是0.11.4. 宝石安装therubyracer -v 0.11.4 返回： Building native extensions. This could take a wh

按照这里的步骤 “gem install therubyracer -v ‘0.10.2’” on osx mavericks not installing,我能够得到therubyracer -v 0.10.2和0.12.0安装正常,但不是0.11.4.

宝石安装therubyracer -v 0.11.4

Building native extensions.  This could take a while...
ERROR:  Error installing therubyracer:
    ERROR: Failed to build gem native extension.

    /Users/thooper/.rbenv/versions/2.1.2/bin/ruby -r ./siteconf20150102-7132-9ct9a4.rb extconf.rb
creating Makefile
Compiling v8 for x64
Using python 2.7.9
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 by v8.
It is recommended to use GCC v4.4 or higher
../src/cached-powers.cc:136:18: error: unused variable 'kCachedPowersLength' [-Werror,-Wunused-const-variable]
static const int kCachedPowersLength = ARRAY_SIZE(kCachedPowers);
                 ^
1 error generated.
make[1]: *** [/Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/cached-powers.o] Error 1
make: *** [x64.release] Error 2
/Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/ext/libv8/location.rb:36:in `block in verify_installation!': libv8 did not install properly,expected binary v8 archive '/Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/tools/gyp/libv8_base.a'to exist,but it was not found (Libv8::Location::Vendor::ArchiveNotFound)
    from /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/ext/libv8/location.rb:35:in `each'
    from /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/ext/libv8/location.rb:35:in `verify_installation!'
    from /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/ext/libv8/location.rb:26:in `install!'
    from extconf.rb:7:in `<main>'
GYP_GENERATORS=make 
    build/gyp/gyp --generator-output="out" build/all.gyp 
                  -Ibuild/standalone.gypi --depth=. 
                  -Dv8_target_arch=x64 
                  -S.x64  -Dv8_can_use_vfp_instructions=true
  CXX(target) /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/allocation.o
  CXX(target) /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/atomicops_internals_x86_gcc.o
  CXX(target) /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/bignum.o
  CXX(target) /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/bignum-dtoa.o
  CXX(target) /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17/vendor/v8/out/x64.release/obj.target/preparser_lib/src/cached-powers.o

extconf failed,exit code 1

Gem files will remain installed in /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/libv8-3.11.8.17 for inspection.
Results logged to /Users/thooper/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/extensions/x86_64-darwin-14/2.1.0-static/libv8-3.11.8.17/gem_make.out

解决方法

我终于得到了therubyracer 0.11.4来安装和使用Xcode 6.1.1,6.2 beta或6.3 beta(我测试了所有3个)以及Xcode 4.6.3(可用于： https://developer.apple.com/downloads/index.action)然后运行：

# rename your current version of Xcode to make it distinguishable
sudo mv /Applications/Xcode.app /Applications/$(xcodebuild -version | head -1 | sed -e 's/ //').app

# Download and install Xcode 4.6.3 and run:
sudo mv /Applications/Xcode.app /Applications/Xcode4.6.3.app

# Switch to your 4.6.3 version of Xcode
sudo xcode-select --switch /Applications/Xcode4.6.3.app

# Install the version of libv8 that's tied to your version of TRR:
gem install libv8 -v '3.11.8.17'

# Switch back to you original version of Xcode
sudo xcode-select --switch /Applications/Xcode6.x.app

# Install TRR
gem install therubyracer -v '0.11.4'

（编辑：李大同）

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