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Ruby Gem 설치 Json이 Mavericks 및 Xcode 5.1에서 실패-알 수없는 인수 : '-multiply_definedsuppress'
gem install json을 실행하려고했는데 다음 오류가 발생했습니다. 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 …