new file to build mruby.
fix rubyspec location.
support branches/gcc-4_7-branch and branches/gcc-4_6-branch.
use --mirror to clone from remote.
Merge branch 'master' of github.com:akr/chkbuild
report gcc version.
add bin directoreis of dependencies for PATH env.
new file.
suppot git branches.
update gcc versions.
sample/build-gperf-ruby added.
update resource limits for ruby.
gcc 4.8 is not stable stage yet.
create build directoreis directly under chkbuild/tmp/build to make paths shorter.
fix a gsub pattern.
update comment.
add prefix for replacement of buildtimes for dependencies.
show Zlib.zlib_version as well as Zlib::ZLIB_VERSION.
add comment.
remove --disable-shared.