我正在运行gem install json -v '1.8.1'
,但是我遇到了这个错误..
gem install json -v '1.8.1'
Building native extensions. This could take a while...
ERROR: Error installing json:
ERROR: Failed to build gem native extension.
current directory: /Users/johnwilliamson/.rvm/gems/ruby-2.4.1/gems/json-1.8.1/ext/json/ext/generator
/Users/johnwilliamson/.rvm/rubies/ruby-2.4.1/bin/ruby -r ./siteconf20170412-72871-wada1h.rb extconf.rb
creating Makefile
current directory: /Users/johnwilliamson/.rvm/gems/ruby-2.4.1/gems/json-1.8.1/ext/json/ext/generator
make "DESTDIR=" clean
current directory: /Users/johnwilliamson/.rvm/gems/ruby-2.4.1/gems/json-1.8.1/ext/json/ext/generator
make "DESTDIR="
compiling generator.c
In file included from generator.c:1:
./../fbuffer/fbuffer.h:175:47: error: too few arguments provided to function-like macro invocation
VALUE result = rb_str_new(FBUFFER_PAIR(fb));
^
/Users/johnwilliamson/.rvm/rubies/ruby-2.4.1/include/ruby-2.4.0/ruby/intern.h:795:9: note: macro 'rb_str_new' defined here
#define rb_str_new(str, len) RB_GNUC_EXTENSION_BLOCK( \
^
In file included from generator.c:1:
./../fbuffer/fbuffer.h:175:11: warning: incompatible pointer to integer conversion initializing 'VALUE' (aka 'unsigned long') with an expression of type 'VALUE (const char *, long)' (aka 'unsigned long (const char *, long)') [-Wint-conversion]
VALUE result = rb_str_new(FBUFFER_PAIR(fb));
^ ~~~~~~~~~~
generator.c:840:25: error: use of undeclared identifier 'rb_cFixnum'
} else if (klass == rb_cFixnum) {
^
generator.c:842:25: error: use of undeclared identifier 'rb_cBignum'
} else if (klass == rb_cBignum) {
^
1 warning and 3 errors generated.
make: *** [generator.o] Error 1
make failed, exit code 2
Gem files will remain installed in /Users/johnwilliamson/.rvm/gems/ruby-2.4.1/gems/json-1.8.1 for inspection.
Results logged to /Users/johnwilliamson/.rvm/gems/ruby-2.4.1/extensions/x86_64-darwin-16/2.4.0/json-1.8.1/gem_make.out
当我运行 gem install json 时,它可以成功安装版本号高于2的软件包,但是我想要安装 https://github.com/peatio/peatio,它需要特定的版本。还有其他想法吗?