我在我的 RoR 3.2.11 项目中使用 Ruby 1.9.2
一切正常，直到我不得不升级到 Ruby 1.9.3，因为 gem 需要它。在同一场合，我尝试充分利用 RVM。
安装红宝石 1.9.3
rvm install 1.9.3 -C --with-openssl-dir=$HOME/.rvm/usr
已创建.rvmrc
cd ./my_project/
rvm --create --rvmrc 1.9.3@project
清理了我的全局 gemset
rvm gemset empty
cd 进入我的项目并运行已安装的 gems
bundle
错误日志
Installing rmagick (2.13.2)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for /opt/local/bin/gcc-apple-4.2... yes
checking for Magick-config... yes
Warning: Found more than one ImageMagick installation. This could cause problems at runtime.
/usr/local/ImageMagick/bin/Magick-config reports version 6.7.3 Q16 is installed in
/usr/local/bin/Magick-config reports version 6.7.1 Q16 is installed in /usr/local/Cellar/imagemagick/6.7.1-1
Using 6.7.3 Q16 from .
checking for ImageMagick version >= 6.4.9... yes
checking for HDRI disabled version of ImageMagick... yes
checking for stdint.h... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin/ruby
/Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:931:in `block in have_header'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
from /Users/joel/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/mkmf.rb:930:in `have_header'
from extconf.rb:194:in `<main>'
Gem files will remain installed in /Users/joel/.rvm/gems/ruby-1.9.3-p429@creativebank/gems/rmagick-2.13.2 for inspection.
Results logged to /Users/joel/.rvm/gems/ruby-1.9.3-p429@my_project/gems/rmagick-2.13.2/ext/RMagick/gem_make.out
An error occurred while installing rmagick (2.13.2), and Bundler cannot continue.
Make sure that `gem install rmagick -v '2.13.2'` succeeds before bundling.
乍一看，我似乎有 2 个 ImageMagick 安装，而且我可以备用一个。
所以我的第一个问题是如何卸载干净的 ImageMagick 6.7.1 Q16 版？
当然，如果还有其他问题，我可以尝试解决这个问题。
有关已安装软件包的附加信息
我知道 MacPort 和 Brew 不能很好地协同工作，但我一直担心完全删除 MacPort。这可能是问题吗？
port list | grep magick
p5-perlmagick @6.8.6-0 perl/p5-perlmagick
p5.8-perlmagick @6.8.6-0 perl/p5-perlmagick
p5.10-perlmagick @6.8.6-0 perl/p5-perlmagick
p5.12-perlmagick @6.8.6-0 perl/p5-perlmagick
p5.14-perlmagick @6.8.6-0 perl/p5-perlmagick
p5.16-perlmagick @6.8.6-0 perl/p5-perlmagick
php-gmagick @1.1.2RC1 php/php-gmagick
php53-gmagick @1.1.2RC1 php/php-gmagick
php54-gmagick @1.1.2RC1 php/php-gmagick
php55-gmagick @1.1.2RC1 php/php-gmagick
php-imagick @3.1.0RC2 php/php-imagick
php53-imagick @3.1.0RC2 php/php-imagick
php54-imagick @3.1.0RC2 php/php-imagick
php55-imagick @3.1.0RC2 php/php-imagick
php-magickwand @1.0.9-2 php/php-magickwand
php53-magickwand @1.0.9-2 php/php-magickwand
php54-magickwand @1.0.9-2 php/php-magickwand
php55-magickwand @1.0.9-2 php/php-magickwand
php5-gmagick @1.1.2RC1 php/php5-gmagick
php5-imagick @3.0.1 php/php5-imagick
php5-magickwand @1.0.9-2 php/php5-magickwand
rb-rmagick @2.13.2 ruby/rb-rmagick
brew list
faac grc jasper lame libtiff libvpx pkg-config wget xvid
ffmpeg imagemagick jpeg libogg libvorbis little-cms theora x264 yasm
更新
删除 Mac 端口
sudo port -f uninstall installed
卸载 brew ImageMagick 并使用 brew 再次安装
安装 XCode 最新版本
并运行捆绑包，我确实收到了不同的消息，C 编译器丢失 ... 啊，接下来我应该做什么，我正在尝试使用 brew 安装 gcc，但不确定我是否朝着正确的方向前进，请帮助：
Installing rmagick (2.13.2)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for /opt/local/bin/gcc-apple-4.2... no
No C compiler found in ${ENV['PATH']}. See mkmf.log for details.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin/ruby
Gem files will remain installed in /Users/joel/.rvm/gems/ruby-1.9.3-p429@creativebank/gems/rmagick-2.13.2 for inspection.
Results logged to /Users/joel/.rvm/gems/ruby-1.9.3-p429@creativebank/gems/rmagick-2.13.2/ext/RMagick/gem_make.out
An error occurred while installing rmagick (2.13.2), and Bundler cannot continue.
Make sure that `gem install rmagick -v '2.13.2'` succeeds before bundling.
海合会 4.2
which gcc => /usr/bin/gcc
gcc -v
Using built-in specs.
Target: i686-apple-darwin11
Configured with: /private/var/tmp/llvmgcc42/llvmgcc42-2336.11~182/src/configure --disable-checking --enable-werror --prefix=/Applications/Xcode.app/Contents/Developer/usr/llvm-gcc-4.2 --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --enable-llvm=/private/var/tmp/llvmgcc42/llvmgcc42-2336.11~182/dst-llvmCore/Developer/usr/local --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)
回声 $PATH
/bin;/usr/bin;/usr/sbin;/sbin;/usr/local/ImageMagick/bin:/usr/local/heroku/bin:/Applications/Postgres.app/Contents/MacOS/bin:/Users/joel/.rvm/gems/ruby-1.9.3-p429@biowatts/bin:/Users/joel/.rvm/gems/ruby-1.9.3-p429@global/bin:/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin:/Users/joel/.rvm/bin:/usr/bin;usr/local/ImageMagick/bin:/usr/local/heroku/bin:/Applications/Postgres.app/Contents/MacOS/bin:/usr/local/ImageMagick/bin:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Users/joel
新的错误信息：
Installing json (1.8.0)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/joel/.rvm/rubies/ruby-1.9.3-p429/bin/ruby extconf.rb
creating Makefile
make
compiling generator.c
make: /opt/local/bin/gcc-apple-4.2: No such file or directory
make: *** [generator.o] Error 1
Gem files will remain installed in /Users/joel/.rvm/gems/ruby-1.9.3-p429@biowatts/gems/json-1.8.0 for inspection.
Results logged to /Users/joel/.rvm/gems/ruby-1.9.3-p429@biowatts/gems/json-1.8.0/ext/json/ext/generator/gem_make.out
它显然在寻找 /opt/local/bin/gcc-apple-4.2 ，我在按照这些说明从 Macportd 迁移到 homebrew时鲁莽地删除了它 :(
现在用自制软件安装缺少的软件包
冲泡安装苹果-gcc42 冲泡安装libxml2