我正在尝试运行gem install json并得到以下错误
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
creating Makefile
make "DESTDIR=" clean
make "DESTDIR="
compiling generator.c
linking shared-object json/ext/generator.bundle
clang: error: unknown argument: '-multiply_definedsuppress' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
make: *** [generator.bundle] Error 1
make failed, exit code 2
Gem files will remain installed in /opt/boxen/repo/.bundle/ruby/2.0.0/gems/json-1.8.0 for inspection.
Results logged to /opt/boxen/repo/.bundle/ruby/2.0.0/extensions/universal-darwin-13/2.0.0/json-1.8.0/gem_make.out
我正在使用:
Os X:10.9.2
Xcode:5.1构建版本5B130a
命令行工具(CLT):5.1.0.0.1.1393561416
Ruby:ruby 2.0.0p247(2013-06-27修订版41674)[universal.x86_64-darwin13]
Ruby Gem:2.2 …
我正在运行OSX Mavericks(10.9)并且在尝试更新rails中的bundle时,我收到以下错误消息:
"你必须先安装开发工具."
我已经安装了Xcode,似乎没有选项可以在Xcode 4.6中安装这些工具.如何通过终端下载和安装命令行工具？
由于存在问题,我很难安装我想要的任何红宝石宝石fast-stemmer.我把错误放在了下面.
Building native extensions. This could take a while...
ERROR: Error installing fast-stemmer:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
creating Makefile
make "DESTDIR=" clean
make "DESTDIR="
compiling porter.c
porter.c:359:27: warning: '&&' within '||' [-Wlogical-op-parentheses]
if (a > 1 || a == 1 && !cvc(z, z->k - 1)) z->k--;
~~ ~~~~~~~^~~~~~~~~~~~~~~~~~~~
porter.c:359:27: note: place parentheses around the '&&' expression to silence this warning
if (a > 1 || a == 1 && !cvc(z, z->k - 1)) …