ios – 安装cocoapods时出错：json-1.8.3及更多错误

概述我无法安装 cocoapods.我这样做： gem install cocoapods 我得到了所有这些错误： Building native extensions. This could take a while...ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension. 我无法安装 cocoapods.我这样做：

gem install cocoapods

我得到了所有这些错误：

Building native extensions.  This Could take a while...ERROR:  Error installing cocoapods:    ERROR: Failed to build gem native extension.    current directory: /usr/local/lib/ruby/gems/2.4.0/gems/Json-1.8.3/ext/Json/ext/generator/usr/local/opt/ruby/bin/ruby -r ./siteconf20161228-19158-1ru87yt.rb extconf.rbcreating Makefilecurrent directory: /usr/local/lib/ruby/gems/2.4.0/gems/Json-1.8.3/ext/Json/ext/generatormake "DESTDIR=" cleancurrent directory: /usr/local/lib/ruby/gems/2.4.0/gems/Json-1.8.3/ext/Json/ext/generatormake "DESTDIR="compiling generator.cgenerator.c:861:25: error: use of undeclared IDentifIEr 'rb_cFixnum'    } else if (klass == rb_cFixnum) {                        ^generator.c:863:25: error: use of undeclared IDentifIEr 'rb_cBignum'    } else if (klass == rb_cBignum) {                        ^generator.c:975:5: warning: division by zero is undefined [-Wdivision-by-zero]    rb_scan_args(argc,argv,"01",&opts);    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2143:9: note: expanded from macro 'rb_scan_args'        rb_scan_args0(argc,argvp,fmt,\        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2329:8: note: expanded from macro 'rb_scan_args0'                     rb_scan_args_verify(fmt,varc),vars)                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2201:11: note: expanded from macro 'rb_scan_args_verify'        verify = rb_scan_args_verify_count(fmt,varc); \                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~note: (skipPing 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2167:6: note: expanded from macro 'rb_scan_args_count_hash'     rb_scan_args_count_block(fmt,ofs,varc,vari) : \     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2162:6: note: expanded from macro 'rb_scan_args_count_block'     rb_scan_args_count_end(fmt,vari) : \     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2158:12: note: expanded from macro 'rb_scan_args_count_end'    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~generator.c:975:5: warning: division by zero is undefined [-Wdivision-by-zero]    rb_scan_args(argc,vari) : \     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2163:6: note: expanded from macro 'rb_scan_args_count_block'     rb_scan_args_count_end(fmt,ofs+1,vari+1))     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2158:12: note: expanded from macro 'rb_scan_args_count_end'    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~generator.c:975:5: warning: division by zero is undefined [-Wdivision-by-zero]    rb_scan_args(argc,varc); \                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~note: (skipPing 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2168:6: note: expanded from macro 'rb_scan_args_count_hash'     rb_scan_args_count_block(fmt,vari+1))     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2162:6: note: expanded from macro 'rb_scan_args_count_block'     rb_scan_args_count_end(fmt,varc); \                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~note: (skipPing 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2167:6: note: expanded from macro 'rb_scan_args_count_hash'     rb_scan_args_count_block(fmt,vari) : \     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/usr/local/Cellar/ruby/2.4.0/include/ruby-2.4.0/ruby/ruby.h:2158:12: note: expanded from macro 'rb_scan_args_count_end'    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~6 warnings and 2 errors generated.make: *** [generator.o] Error 1make Failed,exit code 2Gem files will remain installed in /usr/local/lib/ruby/gems/2.4.0/gems/Json-1.8.3 for inspection.Results logged to /usr/local/lib/ruby/gems/2.4.0/extensions/x86_64-darwin-16/2.4.0/Json-1.8.3/gem_make.out

我一直在搜索,我找不到任何有关这些错误的信息.

我怎么解决这个问题？

解决方法 好像是 JSON 1.8.3 is not compatible with ruby 2.4..我认为他们现在正在解决这个问题.与此同时,我通过降级为ruby 2.3解决了类似的问题 总结

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