Я получаю эту ошибку, когда отправляю свое приложение в Heroku, и оно пытается установить гем SystemTimer:
Installing SystemTimer (1.2.3) with native extensions /usr/ruby1.9.2/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)
/usr/ruby1.9.2/bin/ruby extconf.rb
creating Makefile
make
gcc -I. -I/usr/ruby1.9.2/include/ruby-1.9.1/x86_64-linux -I/usr/ruby1.9.2/include/ruby-1.9.1/ruby/backward -I/usr/ruby1.9.2/include/ruby-1.9.1 -I. -fPIC -O2 -fno-strict-aliasing -o system_timer_native.o -c system_timer_native.c
In file included from system_timer_native.c:8:
/usr/ruby1.9.2/include/ruby-1.9.1/ruby/backward/rubysig.h:14:2: warning: #warning rubysig.h is obsolete
system_timer_native.c: In function ‘install_ruby_sigalrm_handler’:
system_timer_native.c:211: error: ‘rb_thread_critical’ undeclared (first use in this function)
system_timer_native.c:211: error: (Each undeclared identifier is reported only once
system_timer_native.c:211: error: for each function it appears in.)
system_timer_native.c: In function ‘restore_original_ruby_sigalrm_handler’:
system_timer_native.c:217: error: ‘rb_thread_critical’ undeclared (first use in this function)
make: *** [system_timer_native.o] Error 1
Gem files will remain installed in /disk1/tmp/build_8wstwizmtz3r/.bundle/gems/ruby/1.9.1/gems/SystemTimer-1.2.3 for inspection.
Results logged to /disk1/tmp/build_8wstwizmtz3r/.bundle/gems/ruby/1.9.1/gems/SystemTimer-1.2.3/ext/system_timer/gem_make.out
from /usr/ruby1.9.2/lib/ruby/1.9.1/rubygems/installer.rb:486:in `block in build_extensions'
from /usr/ruby1.9.2/lib/ruby/1.9.1/rubygems/installer.rb:446:in `each'
from /usr/ruby1.9.2/lib/ruby/1.9.1/rubygems/installer.rb:446:in `build_extensions'
from /usr/ruby1.9.2/lib/ruby/1.9.1/rubygems/installer.rb:198:in `install'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/source.rb:95:in `install'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/installer.rb:55:in `block in run'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/spec_set.rb:12:in `block in each'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/spec_set.rb:12:in `each'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/spec_set.rb:12:in `each'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/installer.rb:44:in `run'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/installer.rb:8:in `install'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/cli.rb:225:in `install'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/vendor/thor/task.rb:22:in `run'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `dispatch'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/lib/bundler/vendor/thor/base.rb:389:in `start'
from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.7/bin/bundle:13:in `<top (required)>'
from /usr/ruby1.9.2/bin/bundle:19:in `load'
from /usr/ruby1.9.2/bin/bundle:19:in `<main>'
FAILED: http://devcenter.heroku.com/articles/bundler
! Heroku push rejected, failed to install gems via Bundler
Есть идеи, как решить эту проблему?