ruby-on-railsjsonrubyredminegem-bundler

Gem::Ext::BuildError: ERROR: Failed to build gem native extension. on CenOS 6.5


Installing Redmine. I've tried,

bundle install --without development test postgresql sqlite

, but error.

Gem::Ext::BuildError: 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/bin/ruby -r ./siteconf20161228-21055-1dxe9y9.rb extconf.rb
creating Makefile

current directory:
/usr/local/lib/ruby/gems/2.4.0/gems/json-1.8.3/ext/json/ext/generator
make "DESTDIR=" clean

current directory:
/usr/local/lib/ruby/gems/2.4.0/gems/json-1.8.3/ext/json/ext/generator
make "DESTDIR="
compiling generator.c
generator.c: In function ‘generate_json’:
generator.c:861: error: ‘rb_cFixnum’ undeclared (first use in this
function)
generator.c:861: error: (Each undeclared identifier is reported only
once
generator.c:861: error: for each function it appears in.)
generator.c:863: error: ‘rb_cBignum’ undeclared (first use in this
function)
At top level:
cc1: warning: unrecognized command line option "-Wno-self-assign"
cc1: warning: unrecognized command line option
"-Wno-constant-logical-operand"
cc1: warning: unrecognized command line option
"-Wno-parentheses-equality"
cc1: warning: unrecognized command line option
"-Wno-tautological-compare"
make: *** [generator.o] error 1

make failed, exit code 2

Gem 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-linux/2.4.0-static/json-1.8.3/gem_make.out

An error occurred while installing json (1.8.3), and Bundler
cannot continue.
Make sure that `gem install json -v '1.8.3'` succeeds before
bundling.

So, I've tried gem install json -v '1.8.3, but I couldn't solve it.

Would you mind just read this problem?


Solution

  • Ruby 2.4 is very new. In fact, it was released only 3 days ago.

    Since there are several impirtant internal changes in Ruby 2.4, it is quite likely that many gems (and Redmine itself) are not yet compatible with this version of Ruby.

    From your error message, it does indeed seem that the JSON gem needs to be adapted in order to handle some changes in Ruby 2.4 regarding whole numbers.

    You should use an older version of Ruby for now, e.g. Ruby 2.3.3. As you can see on http://www.redmine.org/projects/redmine/wiki/RedmineInstall#Ruby-interpreter, Redmine requires specific Ruby versions depending on the version of Redmine.