昨天一晚上折磨的我啊都快疯掉了。

按照http://railstutorial-china.org方法配制,到rvm requirements这个命令执行时就麻烦事来了。

WutekiMacBook-Pro:~ wuxj$ rvm requirements
Checking requirements for osx.
Error: No available formula for gcc46
Installing requirements for osx.
Updating system.......
Error running 'requirements_osx_brew_update_system ',
showing last lines of /Users/wuxj/.rvm/log//update_system.log
https://github.com/Homebrew/homebrew/wiki/Common-Issues
and make sure `brew update` works before continuing.'
+ rvm_pretty_print stderr
+ case "${rvm_pretty_print_flag:=auto}" in
+ case "${TERM:-dumb}" in
+ case "$1" in
+ [[ -t ]]
+ return
+ printf %b 'Failed to update Homebrew, follow instructions here:
https://github.com/Homebrew/homebrew/wiki/Common-Issues
and make sure `brew update` works before continuing.\n'
Failed to update Homebrew, follow instructions here:
https://github.com/Homebrew/homebrew/wiki/Common-Issues
and make sure `brew update` works before continuing.
+ return
Requirements installation failed with status: .

开始以为是Homebrew没更新,所以执行了下brew update,结果:

WutekiMacBook-Pro:~ wuxj$ brew update
error: The following untracked working tree files would be overwritten by merge:
Library/Formula/ant.rb
Library/Formula/libarchive.rb
Please move or remove them before you can merge.
Aborting
Error: Failure while executing: git pull -q origin refs/heads/master:refs/remotes/origin/master

执行了下brew doctor

WutekiMacBook-Pro:~ wuxj$ brew doctor
Warning: Some directories in your path end in a slash.
Directories in your path should not end in a slash. This can break other
doctor checks. The following directories should be edited:
/Users/wuxj/Downloads/adt-bundle-mac-x86_64-/sdk/platform-tools/
Error: Homebrew doesn't know what compiler versions ship with your version
of Xcode (5.1.). Please `brew update` and if that doesn't help, file
an issue with the output of `brew --config`:
https://github.com/mxcl/homebrew/issues Thanks!

执行bundle




Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /Users/wuxj/.rvm/rubies/ruby-2.1./bin/ruby -r ./siteconf20140830--1hd6znq.rb extconf.rb
Building nokogiri using packaged libraries.
-----
libiconv is missing. please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----
*** 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=/Users/wuxj/.rvm/rubies/ruby-2.1./bin/ruby
--help
--clean
--use-system-libraries
--enable-static
--disable-static
--with-zlib-dir
--without-zlib-dir
--with-zlib-include
--without-zlib-include=${zlib-dir}/include
--with-zlib-lib
--without-zlib-lib=${zlib-dir}/lib
--enable-cross-build
--disable-cross-build extconf failed, exit code Gem files will remain installed in /Users/wuxj/.rvm/gems/ruby-2.1./gems/nokogiri-1.6.3.1 for inspection.
Results logged to /Users/wuxj/.rvm/gems/ruby-2.1./extensions/x86_64-darwin-/2.1.-static/nokogiri-1.6.3.1/gem_make.out
An error occurred while installing nokogiri (1.6.3.1), and Bundler cannot continue.
Make sure that `gem install nokogiri -v '1.6.3.1'` succeeds before bundling.

依然不行,执行 gem install nokogiri -v '1.6.3.1' , 还是不行。

WutekiMacBook-Pro:sample_app wuxj$ gem install nokogiri
Building native extensions. This could take a while...
Building nokogiri using packaged libraries.
ERROR: Error installing nokogiri:
ERROR: Failed to build gem native extension. /Users/wuxj/.rvm/rubies/ruby-2.1./bin/ruby -r ./siteconf20140830--1vvz386.rb extconf.rb
Building nokogiri using packaged libraries.
-----
libiconv is missing. please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----
*** 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=/Users/wuxj/.rvm/rubies/ruby-2.1./bin/ruby
--help
--clean
--use-system-libraries
--enable-static
--disable-static
--with-zlib-dir
--without-zlib-dir
--with-zlib-include
--without-zlib-include=${zlib-dir}/include
--with-zlib-lib
--without-zlib-lib=${zlib-dir}/lib
--enable-cross-build
--disable-cross-build extconf failed, exit code Gem files will remain installed in /Users/wuxj/.rvm/gems/ruby-2.1./gems/nokogiri-1.6.3.1 for inspection.
Results logged to /Users/wuxj/.rvm/gems/ruby-2.1./extensions/x86_64-darwin-/2.1.-static/nokogiri-1.6.3.1/gem_make.out

最后,在stackoverflow上找到个大神解救了我。就是各种brew安装啊。。。

brew install autoconf
brew install automake
brew install libtool
brew install ap
ple-gcc42
brew install libyaml
brew install libxslt
brew install libksba
brew install openssl

结果

WutekiMacBook-Pro:sample_app wuxj$ rvm requirements
Checking requirements for osx.
Updating certificates in '/usr/local/etc/openssl/cert.pem'.
Requirements installation successful.

终于解决了。

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