.gdbinit: revert colored prompt

* .gdbinit: revert colored prompt because incremental search does not
  work well with invisible sequence in prompt.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39288 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: unexpand_shvar

* configure.in (unexpand_shvar): regularize a shell variable by
  unexpanding shell variables in it.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39289 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mkmf.rb: remove extra topdir in VPATH

* lib/mkmf.rb: remove extra topdir in VPATH, which was in
  win32/Makefile.sub for some reason and moved from there.
  [ruby-dev:46998] [Bug #7864]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: remove debug print.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39291 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compar.c: inversed comarison without infinite recursion

* compar.c (rb_invcmp): compare by inversed comarison, with preventing
  from infinite recursion.  [ruby-core:52305] [Bug #7870]
* string.c (rb_str_cmp_m), time.c (time_cmp): get rid of infinite
  recursion.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Revert r39289

* "configure.in: unexpand_shvar"
it breaks $LOAD_PATH.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: unexpand_shvar

* configure.in (unexpand_shvar): regularize a shell variable by
  unexpanding shell variables in it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39294 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-02-18

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39295 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
version.c: move ruby_exec_prefix

* version.c (ruby_exec_prefix): move all path configuration stuffs.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mkconfig.rb: clear exec_prefix

* tool/mkconfig.rb: clear exec_prefix which may differ from prefix,
  before expanding rubyarchdir to remove prefix.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: unexpand exec_prefix

* configure.in (exec_prefix): unexpand after RUBY_EXEC_PREFIX is set.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e