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 上出现错误。
这是运行命令“gem install libv8”的输出:
~/src(branch:master) 禄 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 by v8. It is recommended to use GCC v4.4 or higher libtool: unrecognized option `-static' libtool: Try `libtool --help' for more information. make[1]: *** [/Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/libpreparser_lib.a] Error 1 make: *** [x64.release] Error 2 /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/ext/libv8/location.rb:36:in `block in verify_installation!': libv8 did not install properly, expected binary v8 archive '/Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/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/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/ext/libv8/location.rb:35:in `each' from /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/ext/libv8/location.rb:35:in `verify_installation!' from /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/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_enable_backtrace=1 -Dv8_can_use_vfp2_instructions=true -Darm_fpu=vfpv2 -Dv8_can_use_vfp3_instructions=true -Darm_fpu=vfpv3 CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/allocation.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/atomicops_internals_x86_gcc.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/bignum.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/bignum-dtoa.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/cached-powers.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/conversions.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/diy-fp.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/dtoa.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/fast-dtoa.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/fixed-dtoa.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/once.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/preparse-data.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/preparser.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/preparser-api.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/scanner.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/strtod.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/token.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/unicode.o CXX(target) /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/obj.target/preparser_lib/src/utils.o LIBTOOL-STATIC /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/vendor/v8/out/x64.release/libpreparser_lib.a Gem files will remain installed in /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3 for inspection. Results logged to /Users/me/.rvm/gems/ruby-1.9.3-p125@proj-rails3-ruby19/gems/libv8-3.16.14.3/ext/libv8/gem_make.out
这是因为 OS X 10.9+ 使用的是 4.8 版的 GCC。如拉取请求( https://github.com/cowboyd/libv8/pull/95)中所述,旧版本的 libv8 不正式支持此功能。请尝试在您的 Gemfile 中提高 libv8 的版本(或)abundle update就足够了。希望这可以帮助。
bundle update
来自 libv8自述文件
带上你自己的 V8
因为 libv8 是 rubyracer 使用的 V8 引擎的接口,所以您可能需要使用 libv8,即使您已经安装了 V8。如果您希望使用自己的 V8 安装,而不是为您构建它,请使用 –with-system-v8 选项。
使用 RubyGems:
gem install libv8 [-v YOUR_VERSION] – –with-system-v8
使用 Bundler(在您的 Gemfile 中):
捆绑配置 build.libv8 –with-system-v8
请注意,如果您打算运行自己的 V8,则必须同时安装 V8 及其头文件(在 Debian 发行版的 libv8-dev 中找到)。
自带编译器
您可以通过在编译之前设置 CXX 环境变量,或通过将 –with-cxx= 选项添加到捆绑配置中来指定您选择的编译器:
捆绑配置 build.libv8 –with-cxx=clang++
编辑:
如果此问题是由 引起的,请按照此处therubyracer的建议尝试以下操作:
therubyracer
宝石卸载 libv8 gem install therubyracer -v YOUR_RUBY_RACER_VERSION gem install libv8 -v YOUR_VERSION – –with-system-v8
宝石卸载 libv8
gem install therubyracer -v YOUR_RUBY_RACER_VERSION
gem install libv8 -v YOUR_VERSION – –with-system-v8