install mysql2 报错，实在解决不了了

ramus — Wed, 18 Dec 2024 22:59:51 +0800

使用了 gem install mysql2 --with-mysql-config=/opt/homebrew/Cellar/mysql/9.0.1_8/bin/mysql_config 指定位置也依然报错不知道问题出在哪里，求大神帮帮忙！！！

PS：ruby 是世界上最好的语言

Installing mysql2 0.5.6 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /opt/homebrew/lib/ruby/gems/3.2.0/gems/mysql2-0.5.6/ext/mysql2
/opt/homebrew/opt/ruby@3.2/bin/ruby extconf.rb
checking for rb_absint_size()... yes
checking for rb_absint_singlebit_p()... yes
checking for rb_gc_mark_movable()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enc_interned_str() in ruby.h... yes
/opt/homebrew/bin/brew
-----
Using mysql_config at /opt/homebrew/bin/mysql_config
-----
checking for mysql.h... yes
checking for errmsg.h... yes
checking for SSL_MODE_DISABLED in mysql.h... yes
checking for SSL_MODE_PREFERRED in mysql.h... yes
checking for SSL_MODE_REQUIRED in mysql.h... yes
checking for SSL_MODE_VERIFY_CA in mysql.h... yes
checking for SSL_MODE_VERIFY_IDENTITY in mysql.h... yes
checking for MYSQL.net.vio in mysql.h... yes
checking for MYSQL.net.pvio in mysql.h... no
checking for MYSQL_DEFAULT_AUTH in mysql.h... yes
checking for MYSQL_ENABLE_CLEARTEXT_PLUGIN in mysql.h... yes
checking for SERVER_QUERY_NO_GOOD_INDEX_USED in mysql.h... yes
checking for SERVER_QUERY_NO_INDEX_USED in mysql.h... yes
checking for SERVER_QUERY_WAS_SLOW in mysql.h... yes
checking for MYSQL_OPTION_MULTI_STATEMENTS_ON in mysql.h... yes
checking for MYSQL_OPTION_MULTI_STATEMENTS_OFF in mysql.h... yes
checking for my_bool in mysql.h... no
checking for mysql_ssl_set() in mysql.h... no
-----
Don't know how to set rpath on your system, if MySQL libraries are not in path mysql2 may not load
-----
-----
Setting libpath to /opt/homebrew/Cellar/mysql/9.0.1_8/lib
-----
creating Makefile

current directory: /opt/homebrew/lib/ruby/gems/3.2.0/gems/mysql2-0.5.6/ext/mysql2
make DESTDIR\= sitearchdir\=./.gem.20241218-48411-8r6y03 sitelibdir\=./.gem.20241218-48411-8r6y03 clean

current directory: /opt/homebrew/lib/ruby/gems/3.2.0/gems/mysql2-0.5.6/ext/mysql2
make DESTDIR\= sitearchdir\=./.gem.20241218-48411-8r6y03 sitelibdir\=./.gem.20241218-48411-8r6y03
compiling client.c
In file included from client.c:15:
./mysql_enc_name_to_ruby.h:43:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
mysql2_mysql_enc_name_to_rb_hash (str, len)
^
./mysql_enc_name_to_ruby.h:86:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
mysql2_mysql_enc_name_to_rb (str, len)
^
2 warnings generated.
compiling infile.c
compiling mysql2_ext.c
compiling result.c
result.c:304:35: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
        precision = field->length - (field->decimals > 0 ? 2 : 1);
                  ~ ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
compiling statement.c
linking shared-object mysql2/mysql2.bundle
ld: warning: ignoring duplicate libraries: '-lruby.3.2'
ld: library 'zstd' not found
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [mysql2.bundle] Error 1

尝鲜安装 ruby 3.0 rails 6.1.1 mysql2 安装编译出错?

ramus — Thu, 25 Feb 2021 12:23:25 +0800

看了下 0.5.3 版本的 Mysql2 说是只支持 2.7.各位有遇到这样的问题么

current directory: /Users/sheting/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.3/ext/mysql2
make "DESTDIR=" clean

current directory: /Users/sheting/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.3/ext/mysql2
make "DESTDIR="
compiling client.c
In file included from client.c:13:
./wait_for_single_fd.h:32:10: error: implicit declaration of function 'rb_thread_select' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
  return rb_thread_select(fd + 1, rfds, wfds, efds, tvp);
         ^
client.c:787:14: warning: incompatible pointer types passing 'VALUE (void *)' (aka 'unsigned long (void *)') to parameter of type 'VALUE (*)(VALUE)' (aka 'unsigned long (*)(unsigned long)') [-Wincompatible-pointer-types]
  rb_rescue2(do_send_query, (VALUE)&args, disconnect_and_raise, self, rb_eException, (VALUE)0);
             ^~~~~~~~~~~~~
/Users/sheting/.rvm/rubies/ruby-3.0.0/include/ruby-3.0.0/ruby/internal/iterator.h:51:25: note: passing argument to parameter here
VALUE rb_rescue2(VALUE(*)(VALUE),VALUE,VALUE(*)(VALUE,VALUE),VALUE,...);
                        ^
client.c:795:16: warning: incompatible pointer types passing 'VALUE (void *)' (aka 'unsigned long (void *)') to parameter of type 'VALUE (*)(VALUE)' (aka 'unsigned long (*)(unsigned long)') [-Wincompatible-pointer-types]
    rb_rescue2(do_query, (VALUE)&async_args, disconnect_and_raise, self, rb_eException, (VALUE)0);
               ^~~~~~~~
/Users/sheting/.rvm/rubies/ruby-3.0.0/include/ruby-3.0.0/ruby/internal/iterator.h:51:25: note: passing argument to parameter here
VALUE rb_rescue2(VALUE(*)(VALUE),VALUE,VALUE(*)(VALUE,VALUE),VALUE,...);
                        ^
2 warnings and 1 error generated.
make: *** [client.o] Error 1

make failed, exit code 2

Gem files will remain installed in /Users/sheting/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.3 for inspection.
Results logged to /Users/sheting/.rvm/gems/ruby-3.0.0/extensions/arm64-darwin-20/3.0.0/mysql2-0.5.3/gem_make.out

ramus (ramus)

install mysql2 报错，实在解决不了了

尝鲜安装 ruby 3.0 rails 6.1.1 mysql2 安装编译出错?