checking for CLOCK_MONOTONIC in time.h... RuntimeError

gistfile1.txt

Installing rspec-mocks 3.3.2
Installing ruby_parser 3.7.1
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory:
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/gems/shared/gems/kgio-2.9.3/ext/kgio
/Users/d/.rbenv/versions/jruby-9.1.5.0/bin/jruby -r
./siteconf20161117-19492-xq4ukp.rb extconf.rb
checking for CLOCK_MONOTONIC in time.h... RuntimeError: The compiler failed to
generate an executable file.
You have to install development tools first.

try_do at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:456
block in try_compile at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:571
with_werror at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:524
try_compile at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:571
macro_defined? at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:839
block in have_macro at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:974
block in checking_for at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:942
block in postpone at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:350
open at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:320
block in postpone at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:350
open at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:320
postpone at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:346
checking_for at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:941
have_macro at
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/stdlib/mkmf.rb:973
                 <main> at extconf.rb:5
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/Users/d/.rbenv/versions/jruby-9.1.5.0/bin/jruby

To see why this extension failed to compile, please check the mkmf.log which can
be found here:

/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/gems/shared/extensions/universal-java-1.8/2.3.0/kgio-2.9.3/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/gems/shared/gems/kgio-2.9.3
for inspection.
Results logged to
/Users/d/.rbenv/versions/jruby-9.1.5.0/lib/ruby/gems/shared/extensions/universal-java-1.8/2.3.0/kgio-2.9.3/gem_make.out

An error occurred while installing kgio (2.9.3), and Bundler cannot
continue.
Make sure that `gem install kgio -v '2.9.3'` succeeds before bundling.