Jgarber RedCloth

The 4.2.3 release installs fine, 4.2.7 does not.

Platform details:
Arch Linux x86_64
RVM 1.6.5
Ruby 1.9.2p180

I have tested with Ruby 1.8.7 too and the issue is the same. Here's the output:

Building native extensions.  This could take a while...
ERROR:  Error installing RedCloth:
    ERROR: Failed to build gem native extension.

        /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
checking for main() in -lc... yes
creating Makefile

make
gcc -I. -I/usr/local/rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1/x86_64-linux -I/usr/local/rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1/ruby/backward -I/usr/local/rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1 -I.   -fPIC -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long  -fPIC -O0 -Wall -Werror  -o redcloth_attributes.o -c redcloth_attributes.c
ragel/redcloth_attributes.c.rl: In function ‘redcloth_attribute_parser’:
ragel/redcloth_attributes.c.rl:26:11: error: variable ‘act’ set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

make: *** [redcloth_attributes.o] Error 1


Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.2-p180/gems/RedCloth-4.2.7 for inspection.
Results logged to /usr/local/rvm/gems/ruby-1.9.2-p180/gems/RedCloth-4.2.7/ext/redcloth_scan/gem_make.out