ruby-192 + mysql-51 + windows7_64bit

gem_istall_mysql2.output

C:\DevKit>gem install mysql2 -- '--with-mysql-lib="c:\Program Files\MySQL\MySQL
Server 5.1\lib\opt" --with-mysql-include="c:\Program Files\MySQL\MySQL Server 5.
1\include"'
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing mysql2:
        ERROR: Failed to build gem native extension.

C:/Ruby192/bin/ruby.exe extconf.rb --with-mysql-lib="c:\Program Files\MySQL\MySQ
L Server 5.1\lib\opt" --with-mysql-include="c:\Program Files\MySQL\MySQL Server
5.1\include"
checking for rb_thread_blocking_region()... yes
checking for main() in -llibmysql... yes
checking for mysql.h... yes
checking for errmsg.h... yes
checking for mysqld_error.h... yes
creating Makefile

make
gcc -I. -IC:/Ruby192/include/ruby-1.9.1/i386-mingw32 -I/C/Ruby192/include/ruby-1
.9.1/ruby/backward -I/C/Ruby192/include/ruby-1.9.1 -I. -DHAVE_RB_THREAD_BLOCKING
_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H "-Ic:\Program Files
\MySQL\MySQL Server 5.1\include"    -O3 -g -Wextra -Wno-unused-parameter -Wno-pa
rentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-l
ong-long -Wall -funroll-loops  -o client.o -c client.c
client.c: In function 'rb_mysql_client_query':
client.c:361:11: warning: unused variable 'r'
gcc -I. -IC:/Ruby192/include/ruby-1.9.1/i386-mingw32 -I/C/Ruby192/include/ruby-1
.9.1/ruby/backward -I/C/Ruby192/include/ruby-1.9.1 -I. -DHAVE_RB_THREAD_BLOCKING
_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H "-Ic:\Program Files
\MySQL\MySQL Server 5.1\include"    -O3 -g -Wextra -Wno-unused-parameter -Wno-pa
rentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-l
ong-long -Wall -funroll-loops  -o mysql2_ext.o -c mysql2_ext.c
gcc -I. -IC:/Ruby192/include/ruby-1.9.1/i386-mingw32 -I/C/Ruby192/include/ruby-1
.9.1/ruby/backward -I/C/Ruby192/include/ruby-1.9.1 -I. -DHAVE_RB_THREAD_BLOCKING
_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H -DHAVE_MYSQLD_ERROR_H "-Ic:\Program Files
\MySQL\MySQL Server 5.1\include"    -O3 -g -Wextra -Wno-unused-parameter -Wno-pa
rentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-l
ong-long -Wall -funroll-loops  -o result.o -c result.c
result.c: In function 'rb_mysql_result_fetch_fields':
result.c:318:35: warning: comparison between signed and unsigned integer express
ions
gcc -shared -s -o mysql2.so client.o mysql2_ext.o result.o -L. -LC:/Ruby192/lib
-L"c:\Program Files\MySQL\MySQL Server 5.1\lib\opt" -L.  -Wl,--enable-auto-image
-base,--enable-auto-import mysql2-i386-mingw32.def  -lmsvcrt-ruby191 -llibmysql
 -lshell32 -lws2_32
client.o: In function `nogvl_connect':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:111: undefi
ned reference to `mysql_real_connect@32'
client.o: In function `nogvl_init':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:102: undefi
ned reference to `mysql_init@4'
client.o: In function `set_ssl_options':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:612: undefi
ned reference to `mysql_ssl_set@24'
client.o: In function `set_charset_name':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:600: undefi
ned reference to `mysql_options@12'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:602: undefi
ned reference to `mysql_error@4'
client.o: In function `set_connect_timeout':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:571: undefi
ned reference to `mysql_options@12'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:573: undefi
ned reference to `mysql_error@4'
client.o: In function `set_reconnect':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:554: undefi
ned reference to `mysql_options@12'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:556: undefi
ned reference to `mysql_error@4'
client.o: In function `nogvl_ping':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:530: undefi
ned reference to `mysql_ping@4'
client.o: In function `rb_mysql_client_thread_id':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:522: undefi
ned reference to `mysql_thread_id@4'
client.o: In function `rb_mysql_client_last_id':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:502: undefi
ned reference to `mysql_insert_id@4'
client.o: In function `nogvl_store_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:242: undefi
ned reference to `mysql_store_result@4'
client.o: In function `nogvl_read_query_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:234: undefi
ned reference to `mysql_read_query_result@4'
client.o: In function `rb_mysql_client_server_info':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:481: undefi
ned reference to `mysql_get_server_version@4'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:482: undefi
ned reference to `mysql_get_server_info@4'
client.o: In function `rb_mysql_client_info':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:454: undefi
ned reference to `mysql_get_client_version@0'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:455: undefi
ned reference to `mysql_get_client_info@0'
client.o: In function `rb_mysql_client_escape':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:422: undefi
ned reference to `mysql_real_escape_string@16'
client.o: In function `nogvl_send_query':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:222: undefi
ned reference to `mysql_send_query@12'
client.o: In function `nogvl_close':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:148: undefi
ned reference to `mysql_close@4'
client.o: In function `rb_raise_mysql2_error':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:77: undefin
ed reference to `mysql_error@4'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:78: undefin
ed reference to `mysql_sqlstate@4'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:92: undefin
ed reference to `mysql_errno@4'
client.o: In function `rb_mysql_client_affected_rows':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:510: undefi
ned reference to `mysql_affected_rows@4'
client.o: In function `rb_mysql_client_async_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:266: undefi
ned reference to `mysql_field_count@4'
client.o: In function `nogvl_close':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:148: undefi
ned reference to `mysql_close@4'
client.o: In function `init_mysql2_client':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/client.c:640: undefi
ned reference to `mysql_get_client_info@0'
result.o: In function `rb_mysql_result_fetch_field':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:82: undefin
ed reference to `mysql_fetch_field_direct@8'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:70: undefin
ed reference to `mysql_num_fields@4'
result.o: In function `rb_mysql_result_fetch_fields':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:314: undefi
ned reference to `mysql_num_fields@4'
result.o: In function `nogvl_fetch_row':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:61: undefin
ed reference to `mysql_fetch_row@4'
result.o: In function `rb_mysql_result_free_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:40: undefin
ed reference to `mysql_free_result@4'
result.o: In function `rb_mysql_result_fetch_row':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:133: undefi
ned reference to `mysql_fetch_fields@4'
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:134: undefi
ned reference to `mysql_fetch_lengths@4'
result.o: In function `rb_mysql_result_free_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:40: undefin
ed reference to `mysql_free_result@4'
result.o: In function `rb_mysql_result_fetch_row':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:136: undefi
ned reference to `mysql_num_fields@4'
result.o: In function `rb_mysql_result_each':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:381: undefi
ned reference to `mysql_num_rows@4'
result.o: In function `rb_mysql_result_free_result':
C:\Ruby192\lib\ruby\gems\1.9.1\gems\mysql2-0.2.7\ext\mysql2/result.c:40: undefin
ed reference to `mysql_free_result@4'
collect2: ld returned 1 exit status
make: *** [mysql2.so] Error 1


Gem files will remain installed in C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.
2.7 for inspection.
Results logged to C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.2.7/ext/mysql2/ge
m_make.out

The ruby gem is just a Connector...