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 field 'heap_' is not used [-Werror,-Wunused-private-field]
Heap* heap_;
^
1 error generated.
make[1]: *** [/Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/obj.target/v8_base/src/accessors.o] Error 1
make: *** [x64.release] Error 2
GYP_GENERATORS=make \
build/gyp/gyp --generator-output="out" build/all.gyp \
-Ibuild/standalone.gypi --depth=. \
-Dv8_target_arch=x64 \
-S.x64 -Dhost_arch=x64
CXX(target) /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/allocation.o
CXX(target) /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
CXX(target) /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/bignum.o
CXX(target) /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/bignum-dtoa.o
CXX(target) /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/cached-powers.o
CXX(target) /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/conversions.o
CXX(target) /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/diy-fp.o
CXX(target) /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/dtoa.o
CXX(target) /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/fast-dtoa.o
CXX(target) /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/fixed-dtoa.o
CXX(target) /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/once.o
CXX(target) /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/preparse-data.o
CXX(target) /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/preparser.o
CXX(target) /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/preparser-api.o
CXX(target) /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/scanner.o
CXX(target) /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/strtod.o
CXX(target) /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/token.o
CXX(target) /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/unicode.o
CXX(target) /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/utils.o
LIBTOOL-STATIC /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/libpreparser_lib.a
CXX(target) /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/obj.target/preparser/preparser/preparser-process.o
LINK(target) /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/preparser
CXX(target) /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/vendor/v8/out/x64.release/obj.target/v8_base/src/accessors.o
Gem files will remain installed in /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3 for inspection.
Results logged to /Users/user1/.rvm/gems/ruby-1.9.3-p448/gems/libv8-3.11.8.3/ext/libv8/gem_make.out
在做的时候
gcc -v
我越来越
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1 Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) Target: x86_64-apple-darwin13.0.0 Thread model: posix
我试过通过自制软件安装gcc,但这没有用.还有什么其他解决方案？
解决方法
切换到旧版本的Xcode对我不起作用.相反,我使用了github：
https://github.com/cowboyd/libv8/issues/107中的最后一个libv8修复程序
它完美地运作.