johnson error message

Using json_pure (1.4.6) 
Using rubyzip (0.9.4) 
Using selenium-webdriver (0.0.28) 
Using capybara (0.3.9) 
Using stackdeck (0.2.0) 
Installing johnson (2.0.0.pre3) with native extensions /Users/dbk/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems/installer.rb:483:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/bin/ruby extconf.rb 
checking for jsautocfg.h in /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey... yes
checking for jsapi.h in /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey... yes
creating Makefile

make
g++ -I. -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1/x86_64-darwin10.4.0 -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1/ruby/backward -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1 -I. -I/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -fno-common -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wshorten-64-to-32 -Wno-long-long  -fno-common -pipe -g  -Wall  -Wextra  -Wcast-qual  -Wwrite-strings  -Wconversion  -Wmissing-noreturn  -Winline  -DXP_UNIX   -o context.o -c context.cc
In file included from tracemonkey.h:9,
                 from context.h:4,
                 from context.cc:1:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsapi.h: In function ‘JSBool JSVAL_IS_INT(jsval)’:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsapi.h:115: warning: implicit conversion shortens 64-bit value into a 32-bit value
In file included from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsdbgapi.h:47,
                 from context.cc:6:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsopcode.h: At global scope:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsopcode.h:387: warning: unused parameter ‘op’
g++ -I. -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1/x86_64-darwin10.4.0 -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1/ruby/backward -I/Users/dbk/.rvm/rubies/ruby-1.9.2-p0/include/ruby-1.9.1 -I. -I/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -fno-common -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wshorten-64-to-32 -Wno-long-long  -fno-common -pipe -g  -Wall  -Wextra  -Wcast-qual  -Wwrite-strings  -Wconversion  -Wmissing-noreturn  -Winline  -DXP_UNIX   -o conversions.o -c conversions.cc
In file included from conversions.cc:2:
js_land_proxy.h:11:18: error: node.h: No such file or directory
In file included from tracemonkey.h:9,
                 from conversions.h:4,
                 from conversions.cc:1:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsapi.h: In function ‘JSBool JSVAL_IS_INT(jsval)’:
/Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/vendor/tracemonkey/jsapi.h:115: warning: implicit conversion shortens 64-bit value into a 32-bit value
In file included from conversions.cc:2:
js_land_proxy.h: At global scope:
js_land_proxy.h:17: error: ISO C++ forbids declaration of ‘NODE’ with no type
js_land_proxy.h:17: error: expected ‘;’ before ‘*’ token
conversions.cc: In function ‘JSBool convert_symbol_to_js(JohnsonRuntime*, VALUE, jsval*)’:
conversions.cc:33: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:34: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:35: error: ‘struct RString’ has no member named ‘len’
conversions.cc: In function ‘JSBool convert_regexp_to_js(JohnsonRuntime*, VALUE, jsval*)’:
conversions.cc:54: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:55: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:56: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:60: error: ‘struct RString’ has no member named ‘len’
conversions.cc: In function ‘JSBool convert_to_js(JohnsonRuntime*, VALUE, jsval*)’:
conversions.cc:75: warning: format not a string literal and no format arguments
conversions.cc:79: warning: format not a string literal and no format arguments
conversions.cc:83: warning: format not a string literal and no format arguments
conversions.cc:86: error: ‘T_BLKTAG’ was not declared in this scope
conversions.cc:87: warning: format not a string literal and no format arguments
conversions.cc:91: warning: format not a string literal and no format arguments
conversions.cc:95: warning: format not a string literal and no format arguments
conversions.cc:98: error: ‘T_VARMAP’ was not declared in this scope
conversions.cc:99: warning: format not a string literal and no format arguments
conversions.cc:116: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:118: error: ‘struct RString’ has no member named ‘len’
conversions.cc:171: warning: format not a string literal and no format arguments
conversions.cc: In function ‘VALUE convert_regexp_to_ruby(JohnsonRuntime*, jsval)’:
conversions.cc:204: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:204: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc: In function ‘JSBool js_value_is_symbol(JohnsonRuntime*, jsval, bool*)’:
conversions.cc:229: warning: format not a string literal and no format arguments
conversions.cc:234: warning: format not a string literal and no format arguments
conversions.cc: In function ‘VALUE convert_to_ruby(JohnsonRuntime*, jsval)’:
conversions.cc:265: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:265: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:271: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:271: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:279: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:279: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:281: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:281: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:288: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:288: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:292: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:292: error: ‘ruby_errinfo’ was not declared in this scope
conversions.cc:295: warning: format not a string literal and no format arguments
conversions.cc: In function ‘void raise_js_error_in_ruby(JohnsonRuntime*)’:
conversions.cc:323: warning: format not a string literal and no format arguments
conversions.cc: In function ‘JSBool report_ruby_error_in_js(JohnsonRuntime*, int, VALUE)’:
conversions.cc:337: error: ‘ruby_errinfo’ was not declared in this scope
make: *** [conversions.o] Error 1


Gem files will remain installed in /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3 for inspection.
Results logged to /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/johnson-2.0.0.pre3/ext/tracemonkey/gem_make.out
	from /Users/dbk/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems/installer.rb:486:in `block in build_extensions'
	from /Users/dbk/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems/installer.rb:446:in `each'
	from /Users/dbk/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems/installer.rb:446:in `build_extensions'
	from /Users/dbk/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems/installer.rb:198:in `install'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/source.rb:100:in `install'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/installer.rb:55:in `block in run'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/spec_set.rb:12:in `block in each'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/spec_set.rb:12:in `each'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/spec_set.rb:12:in `each'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/installer.rb:44:in `run'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/installer.rb:8:in `install'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/cli.rb:217:in `install'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/vendor/thor/task.rb:22:in `run'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/gems/bundler-1.0.0/bin/bundle:13:in `<top (required)>'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/bin/bundle:19:in `load'
	from /Users/dbk/.rvm/gems/ruby-1.9.2-p0@rails239/bin/bundle:19:in `<main>'

I discovered this was due to johnson not being compatible with 1.9.2. Didn't you encounter this when you ran bundle install or some such? At least I did.

I got the same problem. Did you get a fix for this?

Installing johnson (2.0.0.pre3) with native extensions C:/Ruby192/lib/ruby/site_
ruby/1.9.1/rubygems/installer.rb:529:in `rescue in block in build_extensions': E
RROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError
)

albertozurita: johnson doesn't appear to be compatible with 1.9.2. See here:

http://groups.google.com/group/johnson-talk/browse_thread/thread/36027503ac6457c5