santhosh:~ santhosh$ sudo gem install mysql -v=2.7 — –with-mysql-lib=/usr/local/mysql/lib/ –with-mysql-include=/usr/local/mysql/include/ –with-mysql-config=/usr/local/mysql/bin/mysql_config
Building native extensions. This could take a while…
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb –with-mysql-lib=/usr/local/mysql/lib/ –with-mysql-include=/usr/local/mysql/include/ –with-mysql-config=/usr/local/mysql/bin/mysql_config
checking for mysql_ssl_set()… no
checking for mysql.h… yes
creating Makefile

make
gcc -I. -I. -I/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/universal-darwin9.0 -I. -DHAVE_MYSQL_H -I/usr/local/mysql/include -Os -arch i386 -fno-common -fno-common -arch ppc -arch i386 -Os -pipe -fno-common -c mysql.c
cc -arch ppc -arch i386 -pipe -bundle -o mysql.bundle mysql.o -L”.” -L”/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib” -L. -arch ppc -arch i386 -lruby -L/usr/local/mysql/lib -lmysqlclient -lz -lm -lpthread -ldl -lm
ld: warning in /usr/local/mysql/lib/libmysqlclient.dylib, file is not of required architecture
Undefined symbols for architecture ppc:
“_mysql_store_result”, referenced from:
_store_result in mysql.o
_query in mysql.o
“_mysql_stmt_errno”, referenced from:
_mysql_stmt_raise in mysql.o
_stmt_prepare in mysql.o
_stmt_result_metadata in mysql.o
“_mysql_stmt_error”, referenced from:
_mysql_stmt_raise in mysql.o
“_mysql_options”, referenced from:
_options in mysql.o
“_mysql_refresh”, referenced from:
_refresh in mysql.o
_reload in mysql.o
“_mysql_get_client_version”, referenced from:
_client_version in mysql.o
“_mysql_stmt_bind_result”, referenced from:
_stmt_bind_result in mysql.o
_stmt_execute in mysql.o
“_mysql_fetch_lengths”, referenced from:
_fetch_hash2 in mysql.o
_fetch_lengths in mysql.o
_fetch_row in mysql.o
“_mysql_character_set_name”, referenced from:
_character_set_name in mysql.o
“_mysql_set_server_option”, referenced from:
_query in mysql.o
_set_server_option in mysql.o
“_mysql_real_query”, referenced from:
_query in mysql.o
_query in mysql.o
“_mysql_num_fields”, referenced from:
_fetch_hash2 in mysql.o
_fetch_fields in mysql.o
_fetch_field_direct in mysql.o
_fetch_lengths in mysql.o
_fetch_row in mysql.o
_num_fields in mysql.o
_stmt_prepare in mysql.o
“_mysql_ping”, referenced from:
_ping in mysql.o
“_mysql_free_result”, referenced from:
_free_mysqlres in mysql.o
_free_mysqlstmt_memory in mysql.o
_free_mysqlstmt in mysql.o
_list_dbs in mysql.o
_list_tables in mysql.o
_res_free in mysql.o
_stmt_free_result in mysql.o
“_mysql_rollback”, referenced from:
_rollback in mysql.o
“_mysql_next_result”, referenced from:
_query in mysql.o
_next_result in mysql.o
“_mysql_data_seek”, referenced from:
_data_seek in mysql.o
“_mysql_autocommit”, referenced from:
_autocommit in mysql.o
“_mysql_debug”, referenced from:
_my_debug in mysql.o
“_mysql_stmt_affected_rows”, referenced from:
_stmt_affected_rows in mysql.o
“_mysql_stmt_insert_id”, referenced from:
_stmt_insert_id in mysql.o
“_mysql_use_result”, referenced from:
_use_result in mysql.o
“_mysql_stmt_fetch”, referenced from:
_stmt_fetch in mysql.o
“_mysql_stmt_free_result”, referenced from:
_stmt_free_result in mysql.o
“_mysql_field_seek”, referenced from:
_field_seek in mysql.o
“_mysql_stmt_param_count”, referenced from:
_stmt_param_count in mysql.o
_stmt_prepare in mysql.o
“_mysql_fetch_row”, referenced from:
_list_dbs in mysql.o
_list_tables in mysql.o
_fetch_hash2 in mysql.o
_fetch_row in mysql.o
“_mysql_sqlstate”, referenced from:
_mysql_raise in mysql.o
_sqlstate in mysql.o
“_mysql_stmt_sqlstate”, referenced from:
_mysql_stmt_raise in mysql.o
_stmt_sqlstate in mysql.o
“_mysql_list_processes”, referenced from:
_list_processes in mysql.o
“_mysql_real_escape_string”, referenced from:
_real_escape_string in mysql.o
“_mysql_stmt_bind_param”, referenced from:
_stmt_execute in mysql.o
“_mysql_field_count”, referenced from:
_field_count in mysql.o
_query in mysql.o
_query in mysql.o
“_mysql_field_tell”, referenced from:
_field_tell in mysql.o
“_mysql_stmt_result_metadata”, referenced from:
_stmt_prepare in mysql.o
_stmt_result_metadata in mysql.o
“_mysql_list_tables”, referenced from:
_list_tables in mysql.o
“_mysql_stmt_prepare”, referenced from:
_stmt_prepare in mysql.o
“_mysql_get_client_info”, referenced from:
_client_info in mysql.o
“_mysql_thread_id”, referenced from:
_thread_id in mysql.o
“_mysql_stmt_execute”, referenced from:
_stmt_execute in mysql.o
“_mysql_stmt_init”, referenced from:
_stmt_init in mysql.o
“_mysql_stat”, referenced from:
_my_stat in mysql.o
“_mysql_stmt_field_count”, referenced from:
_stmt_field_count in mysql.o
“_mysql_close”, referenced from:
_free_mysql in mysql.o
_my_close in mysql.o
“_mysql_stmt_data_seek”, referenced from:
_stmt_data_seek in mysql.o
“_mysql_fetch_fields”, referenced from:
_fetch_hash2 in mysql.o
_fetch_fields in mysql.o
_stmt_bind_result in mysql.o
_stmt_execute in mysql.o
_stmt_prepare in mysql.o
“_mysql_list_fields”, referenced from:
_list_fields in mysql.o
“_mysql_row_seek”, referenced from:
_row_seek in mysql.o
“_mysql_change_user”, referenced from:
_change_user in mysql.o
“_mysql_stmt_row_seek”, referenced from:
_stmt_row_seek in mysql.o
“_mysql_stmt_close”, referenced from:
_free_mysqlstmt in mysql.o
_stmt_close in mysql.o
“_mysql_info”, referenced from:
_info in mysql.o
“_mysql_init”, referenced from:
_init in mysql.o
_real_connect in mysql.o
“_mysql_get_server_info”, referenced from:
_server_info in mysql.o
“_mysql_fetch_field_direct”, referenced from:
_fetch_field_direct in mysql.o
“_mysql_dump_debug_info”, referenced from:
_dump_debug_info in mysql.o
“_mysql_row_tell”, referenced from:
_row_tell in mysql.o
“_mysql_real_connect”, referenced from:
_real_connect in mysql.o
_real_connect2 in mysql.o
“_mysql_stmt_row_tell”, referenced from:
_stmt_row_tell in mysql.o
“_mysql_kill”, referenced from:
_my_kill in mysql.o
“_mysql_num_rows”, referenced from:
_list_dbs in mysql.o
_list_tables in mysql.o
_num_rows in mysql.o
“_mysql_warning_count”, referenced from:
_warning_count in mysql.o
“_mysql_stmt_num_rows”, referenced from:
_stmt_num_rows in mysql.o
“_mysql_stmt_attr_set”, referenced from:
_stmt_init in mysql.o
“_mysql_get_server_version”, referenced from:
_query in mysql.o
_server_version in mysql.o
“_mysql_more_results”, referenced from:
_more_results in mysql.o
“_mysql_select_db”, referenced from:
_select_db in mysql.o
“_mysql_stmt_store_result”, referenced from:
_stmt_execute in mysql.o
“_mysql_get_host_info”, referenced from:
_host_info in mysql.o
“_mysql_commit”, referenced from:
_commit in mysql.o
“_mysql_shutdown”, referenced from:
_my_shutdown in mysql.o
“_mysql_list_dbs”, referenced from:
_list_dbs in mysql.o
“_mysql_affected_rows”, referenced from:
_affected_rows in mysql.o
“_mysql_insert_id”, referenced from:
_insert_id in mysql.o
“_mysql_fetch_field”, referenced from:
_fetch_field in mysql.o
“_mysql_get_proto_info”, referenced from:
_proto_info in mysql.o
“_mysql_errno”, referenced from:
_mysql_raise in mysql.o
_my_close in mysql.o
_my_errno in mysql.o
“_mysql_error”, referenced from:
_mysql_raise in mysql.o
_my_error in mysql.o
“_mysql_escape_string”, referenced from:
_escape_string in mysql.o
ld: symbol(s) not found for architecture ppc
collect2: ld returned 1 exit status
lipo: can’t open input file: /var/tmp//ccbJqM1W.out (No such file or directory)
make: *** [mysql.bundle] Error 1

I used “sudo env ARCHFLAGS=’-arch i386′ gem install mysql -v=2.7 — –with-mysql-config=/usr/local/mysql/bin/mysql_config” and it worked perfectly…..

Thanks a lot…

> sudo env ARCHFLAGS=”-arch i386″ gem install mysql — –with-mysql-config=/usr/local/mysql/bin/mysql_configPassword:
Building native extensions. This could take a while…
Successfully installed mysql-2.7
1 gem installed
Installing ri documentation for mysql-2.7…
Installing RDoc documentation for mysql-2.7…