CentOS5.1にgemでrubyのMySQL API をインストールした。 $ sudo gem install mysql Password: Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb install mysql checking for mysql_query() in -lmysqlclient... no checking for main() in -lm... yes checking for mysql_query() in -lmysqlclient... no checking for ma
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