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mysql gemのインストールに問題があります。これは私のエラーです:私は、このコマンドsudo gem install mysql -v '2.9.1'
をしようとすると、それは作品だ、と私はそれを正当化するために、この行を読んで...Ruby 2.4のMySQL Gemインストールエラー
sudo gem install mysql -v '2.9.1'
Building native extensions. This could take a while...
Successfully installed mysql-2.9.1
Parsing documentation for mysql-2.9.1
Done installing documentation for mysql after 0 seconds
1 gem installed
私は
gem install mysql -v '2.9.1'
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/mysql-2.9.1/ext/mysql_api
/usr/local/rvm/rubies/ruby-2.4.0/bin/ruby -r ./siteconf20170107-4120-x2dv85.rb extconf.rb
checking for mysql_ssl_set()... yes
checking for rb_str_set_len()... yes
checking for rb_thread_start_timer()... no
checking for mysql.h... yes
creating Makefile
To see why this extension failed to compile, please check the mkmf.log which can be found here:
/usr/local/rvm/gems/ruby-2.4.0/extensions/x86_64-linux/2.4.0/mysql-2.9.1/mkmf.log
current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/mysql-2.9.1/ext/mysql_api
make "DESTDIR=" clean
current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/mysql-2.9.1/ext/mysql_api
make "DESTDIR="
compiling mysql.c
mysql.c: In function ‘stmt_bind_result’:
mysql.c:1320:74: error: ‘rb_cFixnum’ undeclared (first use in this function)
else if (argv[i] == rb_cNumeric || argv[i] == rb_cInteger || argv[i] == rb_cFixnum)
^
mysql.c:1320:74: note: each undeclared identifier is reported only once for each function it appears in
mysql.c: At top level:
cc1: warning: unrecognized command line option "-Wno-self-assign"
cc1: warning: unrecognized command line option "-Wno-constant-logical-operand"
cc1: warning: unrecognized command line option "-Wno-parentheses-equality"
cc1: warning: unrecognized command line option "-Wno-tautological-compare"
Makefile:241: recipe for target 'mysql.o' failed
make: *** [mysql.o] Error 1
make failed, exit code 2
Gem files will remain installed in /usr/local/rvm/gems/ruby-2.4.0/gems/mysql-2.9.1 for inspection.
Results logged to /usr/local/rvm/gems/ruby-2.4.0/extensions/x86_64-linux/2.4.0/mysql-2.9.1/gem_make.out
何が起こったのかを理解し、どのようにしていませんこれを解決しました。誰かが私を助けることができたら...
答えていただきありがとうございます。確かに、Rubyのバージョンが問題でした。 mysql2 gemに変更することを確認します。 – Christophe