Question

Issues building ruby 1.8.7 or installing the bundler gem with GCC 4.7 on linux (Fedora 17, Arch, etc.). This issue occurred for me using RVM. I was able to install 1.8.7, but unable to install the bundler gem. I would receive the following error:

$ gem install bundler

~/.rvm/rubies/ruby-1.8.7-p358/lib/ruby/1.8/timeout.rb:60: [BUG] Segmentation fault
ruby 1.8.7 (2012-02-08 patchlevel 358) [x86_64-linux]

this issue is described in a number of locations, including:

• ruby-enterprise 1.8.7-12: timeout.rb:60: [BUG] Segmentation fault
• Ruby gem install is seg faulting
• rvm install rbx fails on archlinux (mri 1.8 + gcc 4.7 issue)
• ruby1.8: segfaults when compiled with gcc-4.7
• Ruby 1.8.7 fails to build (Arch Linux, gcc > 4.6)

Answer 1

The description of the problem in the links in the original question suggest installing older versions of gcc to build 1.8.7, this is not necessary.

$ rvm remove 1.8.7
$ CFLAGS="-O2 -fno-tree-dce -fno-optimize-sibling-calls" rvm install 1.8.7
$ rvm use 1.8.7
$ gem install bundler

Solution derived from the following:

Bug #6383: Segfault in Timeout module when compiled with GCC 4.7