Ich habe versucht, gem install json auszuführen und habe den folgenden Fehler erhalten
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
Ich benutze:
Os X: 10.9.2
Xcode: 5.1 Build-Version 5B130a
Befehlszeilentools (CLT): 5.1.0.0.1.1393561416
Ruby: Ruby 2.0.0p247 (27.06.2013, Revision 41674) [universal.x86_64-darwin13]
Ruby Gem: 2.2 .2
GCC: 4.2.1 Apple LLVM Version 5.1 (clang-503.0.38) (basierend auf LLVM 3.4svn)