title: many errors installing mysql on jruby
body: <p>I'm trying to get mysql gem installed for use on rails, using jruby, can't figure this out...any help is appreciated!</p>
  
  <pre><code>$ sudo gem install mysql2
  
  Building native extensions.  This could take a while...
  ERROR:  Error installing mysql2:
      ERROR: Failed to build gem native extension.
  
          /Users/masedesign/Work/repos/code/conf/vms/ruby/jruby/bin/jruby extconf.rb
  WARNING: JRuby does not support native extensions or the `mkmf' library very well.
  Check http://kenai.com/projects/jruby/pages/Home for alternatives.
  checking for rb_thread_blocking_region()... checking for rb_wait_for_single_fd()... no
  checking for mysql.h... yes
  checking for errmsg.h... yes
  checking for mysqld_error.h... yes
  creating Makefile
  
  make
  cc -I. -I. -I/Users/masedesign/Work/repos/code/conf/vms/ruby/jruby/lib/native/include/ruby -I. -DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE        -I/usr/local/mysql/include  -g -Os -arch x86_64 -fno-common   -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT  -DDONT_DECLARE_CXA_PURE_VIRTUAL -fPIC -DTARGET_RT_MAC_CFM=0  -fno-omit-frame-pointer -fno-strict-aliasing  -fexceptions   -Wall -funroll-loops  -arch x86_64 -c client.c
  cc -I. -I. -I/Users/masedesign/Work/repos/code/conf/vms/ruby/jruby/lib/native/include/ruby -I. -DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE        -I/usr/local/mysql/include  -g -Os -arch x86_64 -fno-common   -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT  -DDONT_DECLARE_CXA_PURE_VIRTUAL -fPIC -DTARGET_RT_MAC_CFM=0  -fno-omit-frame-pointer -fno-strict-aliasing  -fexceptions   -Wall -funroll-loops  -arch x86_64 -c mysql2_ext.c
  cc -I. -I. -I/Users/masedesign/Work/repos/code/conf/vms/ruby/jruby/lib/native/include/ruby -I. -DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE        -I/usr/local/mysql/include  -g -Os -arch x86_64 -fno-common   -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT  -DDONT_DECLARE_CXA_PURE_VIRTUAL -fPIC -DTARGET_RT_MAC_CFM=0  -fno-omit-frame-pointer -fno-strict-aliasing  -fexceptions   -Wall -funroll-loops  -arch x86_64 -c result.c
  cc -dynamic -bundle -undefined dynamic_lookup  -o mysql2.bundle client.o mysql2_ext.o result.o -L"." -L"/Users/masedesign/Work/repos/code/conf/vms/ruby/jruby-1.6.5/lib" -bundle -framework JavaVM -Wl,-syslibroot, -mmacosx-version-min=10.4  -Wl,-rpath,/usr/local/mysql/lib  -arch x86_64  -L/usr/local/mysql/lib -lmysqlclient_r -lz -lm     -lmygcc   
  ld: library not found for -lbundle1.o
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  make: *** [mysql2.bundle] Error 1
  
  
  Gem files will remain installed in /Users/masedesign/Work/repos/code/conf/vms/ruby/jruby-1.6.5/lib/ruby/gems/1.8/gems/mysql2-0.3.11 for inspection.
  Results logged to /Users/masedesign/Work/repos/code/conf/vms/ruby/jruby-1.6.5/lib/ruby/gems/1.8/gems/mysql2-0.3.11/ext/mysql2/gem_make.out
  </code></pre>