/usr/lib/ruby/1.9.1/rubygems.rb:31:in `require': /usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:136: syntax error, unexpected tCONSTANT, expecting keyword_end (SyntaxError)
  CONFIG["CXX"] = "g++"
             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:136: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["CXX"] = "g++"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:137: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["OBJEXT"] = "o"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:137: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["OBJEXT"] = "o"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:138: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["CPPFLAGS"] = " $(DEFS) $(cppflags)"
                  ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:138: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["CPPFLAGS"] = " $(DEFS) $(cppflags)"
                          ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:139: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["LDFLAGS"] = "-L. "
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:139: syntax error, unexpected tSTRING_BEG
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:140: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["CFLAGS"] = "-ggdb -O2 -pipe -fno-strict-aliasing"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:140: syntax error, unexpected tUMINUS, expecting keyword_do or '{' or '('
  CONFIG["CFLAGS"] = "-ggdb -O2 -pipe -fno-strict-aliasing"
                             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:140: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:141: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["CC"] = "gcc"
            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:141: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["CC"] = "gcc"
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:142: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_os"] = "cygwin"
                   ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:142: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_os"] = "cygwin"
                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:143: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_vendor"] = "pc"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:143: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_vendor"] = "pc"
                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:144: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_cpu"] = "i386"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:144: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_cpu"] = "i386"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:145: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target"] = "i386-pc-cygwin"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:145: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target"] = "i386-pc-cygwin"
                          ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:145: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:146: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_os"] = "cygwin"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:146: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_os"] = "cygwin"
                             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:147: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_vendor"] = "pc"
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:147: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_vendor"] = "pc"
                             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:148: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_cpu"] = "i686"
                  ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:148: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_cpu"] = "i686"
                            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:149: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host"] = "i686-pc-cygwin"
              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:149: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host"] = "i686-pc-cygwin"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:149: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:150: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["RUBYW_BASE_NAME"] = "rubyw"
                         ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:150: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["RUBYW_BASE_NAME"] = "rubyw"
                                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:151: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["RUBY_BASE_NAME"] = "ruby"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:151: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["RUBY_BASE_NAME"] = "ruby"
                                  ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:152: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_os"] = "cygwin"
                  ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:152: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_os"] = "cygwin"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:153: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_vendor"] = "pc"
                      ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:153: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_vendor"] = "pc"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:154: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_cpu"] = "i686"
                   ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:154: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_cpu"] = "i686"
                             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:155: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build"] = "i686-pc-cygwin"
               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:155: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build"] = "i686-pc-cygwin"
                         ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:155: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:156: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["RUBY_RELEASE_DATE"] = "2012-04-20"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:156: syntax error, unexpected tINTEGER, expecting keyword_end
  CONFIG["RUBY_RELEASE_DATE"] = "2012-04-20"
                                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:156: syntax error, unexpected tSTRING_BEG, expecting keyword_end
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:157: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["RUBY_PROGRAM_VERSION"] = "1.9.3"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:157: syntax error, unexpected tFLOAT, expecting keyword_end
  CONFIG["RUBY_PROGRAM_VERSION"] = "1.9.3"
                                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:157: no .<digit> floating literal anymore; put 0 before dot
  CONFIG["RUBY_PROGRAM_VERSION"] = "1.9.3"
                                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:158: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["BASERUBY"] = "ruby"
                  ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:158: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["BASERUBY"] = "ruby"
                            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:159: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["target_alias"] = ""
                      ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:160: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["host_alias"] = ""
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:161: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["build_alias"] = ""
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:162: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["LIBS"] = "-lpthread -lrt -ldl -lcrypt "
              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:162: syntax error, unexpected tUMINUS, expecting keyword_do or '{' or '('
  CONFIG["LIBS"] = "-lpthread -lrt -ldl -lcrypt "
                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:163: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["ECHO_T"] = ""
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:164: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["ECHO_N"] = "-n"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:164: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:165: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["ECHO_C"] = ""
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:166: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["DEFS"] = ""
              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:167: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["mandir"] = "$(datarootdir)/man"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:167: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["mandir"] = "$(datarootdir)/man"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:168: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["localedir"] = "$(datarootdir)/locale"
                   ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:168: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["localedir"] = "$(datarootdir)/locale"
                          ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:169: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["libdir"] = "$(exec_prefix)/lib"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:169: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["libdir"] = "$(exec_prefix)/lib"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:170: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["psdir"] = "$(docdir)"
               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:170: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["psdir"] = "$(docdir)"
                      ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:171: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["pdfdir"] = "$(docdir)"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:171: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["pdfdir"] = "$(docdir)"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:172: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["dvidir"] = "$(docdir)"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:172: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["dvidir"] = "$(docdir)"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:173: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["htmldir"] = "$(docdir)"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:173: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["htmldir"] = "$(docdir)"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:174: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["infodir"] = "$(datarootdir)/info"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:174: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["infodir"] = "$(datarootdir)/info"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:175: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["docdir"] = "$(DESTDIR)/usr/share/doc/ruby"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:175: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["docdir"] = "$(DESTDIR)/usr/share/doc/ruby"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:175: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:176: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["oldincludedir"] = "/usr/include"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:176: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:177: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["includedir"] = "$(prefix)/include"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:177: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["includedir"] = "$(prefix)/include"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:178: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["localstatedir"] = "$(DESTDIR)/var"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:178: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["localstatedir"] = "$(DESTDIR)/var"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:179: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["sharedstatedir"] = "$(prefix)/com"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:179: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["sharedstatedir"] = "$(prefix)/com"
                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:180: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["sysconfdir"] = "$(DESTDIR)/etc"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:180: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["sysconfdir"] = "$(DESTDIR)/etc"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:181: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["datadir"] = "$(DESTDIR)/usr/share"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:181: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["datadir"] = "$(DESTDIR)/usr/share"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:181: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:182: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["datarootdir"] = "$(DESTDIR)/usr/share"
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:182: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["datarootdir"] = "$(DESTDIR)/usr/share"
                            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:182: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:183: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["libexecdir"] = "$(DESTDIR)/usr/lib"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:183: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["libexecdir"] = "$(DESTDIR)/usr/lib"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:183: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:184: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["sbindir"] = "$(DESTDIR)/usr/sbin"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:184: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["sbindir"] = "$(DESTDIR)/usr/sbin"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:184: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:185: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["bindir"] = "$(DESTDIR)/usr/bin"
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:185: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["bindir"] = "$(DESTDIR)/usr/bin"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:185: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:186: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["exec_prefix"] = "$(DESTDIR)/usr"
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:186: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["exec_prefix"] = "$(DESTDIR)/usr"
                            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:187: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_URL"] = ""
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:188: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_BUGREPORT"] = ""
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:189: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_STRING"] = ""
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:190: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_VERSION"] = ""
                         ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:191: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_TARNAME"] = ""
                         ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:192: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PACKAGE_NAME"] = ""
                      ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:193: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["PATH_SEPARATOR"] = ":"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:193: syntax error, unexpected ':', expecting keyword_end
  CONFIG["PATH_SEPARATOR"] = ":"
                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:194: syntax error, unexpected tCONSTANT, expecting keyword_end
  CONFIG["SHELL"] = "/bin/sh"
               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:194: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:195: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["rubylibdir"] = "$(rubylibprefix)/$(ruby_version)"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:195: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["rubylibdir"] = "$(rubylibprefix)/$(ruby_version)"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:196: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["archdir"] = "$(rubylibdir)/$(arch)"
                 ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:196: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["archdir"] = "$(rubylibdir)/$(arch)"
                        ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:197: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["sitelibdir"] = "$(sitedir)/$(ruby_version)"
                    ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:197: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["sitelibdir"] = "$(sitedir)/$(ruby_version)"
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:198: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["sitearchdir"] = "$(sitelibdir)/$(sitearch)"
                     ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:198: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["sitearchdir"] = "$(sitelibdir)/$(sitearch)"
                            ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:199: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["vendorlibdir"] = "$(vendordir)/$(ruby_version)"
                      ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:199: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["vendorlibdir"] = "$(vendordir)/$(ruby_version)"
                             ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:200: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["vendorarchdir"] = "$(vendorlibdir)/$(sitearch)"
                       ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:200: syntax error, unexpected $undefined, expecting keyword_end
  CONFIG["vendorarchdir"] = "$(vendorlibdir)/$(sitearch)"
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:201: syntax error, unexpected tIDENTIFIER, expecting keyword_end
  CONFIG["topdir"] = File.dirname(__FILE__)
                ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:229: syntax error, unexpected tIDENTIFIER, expecting keyword_end
      RbConfig::CONFIG["bindir"],
                              ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:230: syntax error, unexpected tIDENTIFIER, expecting keyword_end
...nfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT...
...                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:230: syntax error, unexpected tCONSTANT, expecting keyword_end
...me"] + RbConfig::CONFIG["EXEEXT"]
...                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:234: syntax error, unexpected tIDENTIFIER, expecting keyword_end
autoload :Config, "rbconfig/obsolete.rb" # compatibility...
                           ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:234: syntax error, unexpected tSTRING_BEG, expecting keyword_end
...:Config, "rbconfig/obsolete.rb" # compatibility for ruby-1.8...
...                               ^
/usr/lib/ruby/1.9.1/i386-cygwin/rbconfig.rb:234: unterminated string meets end of file
	from /usr/lib/ruby/1.9.1/rubygems.rb:31:in `<top (required)>'
	from <internal:gem_prelude>:1:in `require'
	from <internal:gem_prelude>:1:in `<compiled>'