无法安装 mysql2 gem [英] Cannot install mysql2 gem

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问题描述

我无法在我的 Windows7 x64 系统中安装 mysql2 gem.我尝试同时使用 32 位和 64 位版本的 MySQL 服务器，但都没有让我更进一步.

I'm unable to install the mysql2 gem in my Windows7 x64 system. I tried using both the 32-bit and 64-bit versions of MySQL server but none got me any further.

我安装了 Ruby 1.8、开发工具包和 Rails 平台.我什至安装了 minGW 来允许 C++/C 编译东西.MySQL 服务器安装在默认位置.

I installed Ruby 1.8, the development kit and and the Rails platform. I even installed minGW to allow C++/C compilation of things. MySQL Server was installed in the default location.

运行命令时:

C:UsersArne>gem install mysql2 -- --with-mysql-include="C:Program Files (x86)MySQLMySQL Server 5.1include" --with-mysql-lib="C:Program Files (x86)MySQLMySQL Server 5.1lib"

我从控制台收到以下输出:

I receive the following output from the console:

Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby/bin/ruby
        --with-mysql-dir
        --without-mysql-dir
        --with-mysql-include=${mysql-dir}/include
        --with-mysql-lib=${mysql-dir}/lib
        --with-libmysqllib
        --without-libmysqllib
ERROR:  Error installing mysql2:
        ERROR: Failed to build gem native extension.

        C:/Ruby/bin/ruby.exe extconf.rb --with-mysql-include=C:Program Files (x
86)MySQLMySQL Server 5.1include --with-mysql-lib=C:Program Files (x86)MySQL
MySQL Server 5.1lib"
checking for rb_thread_blocking_region()... no
checking for main() in -llibmysql... no


Gem files will remain installed in C:/Ruby/lib/ruby/gems/1.8/gems/mysql2-0.3.2 f
or inspection.
Results logged to C:/Ruby/lib/ruby/gems/1.8/gems/mysql2-0.3.2/ext/mysql2/gem_mak
e.out

我的环境根据Rubygems的输出是:

The output of my environment according to Rubygems is:

C:UsersArne>gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 1.7.2
  - RUBY VERSION: 1.8.7 (2011-02-18 patchlevel 334) [i386-mingw32]
  - INSTALLATION DIRECTORY: C:/Ruby/lib/ruby/gems/1.8
  - RUBY EXECUTABLE: C:/Ruby/bin/ruby.exe
  - EXECUTABLE DIRECTORY: C:/Ruby/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86-mingw32
  - GEM PATHS:
     - C:/Ruby/lib/ruby/gems/1.8
     - C:/Users/Arne/.gem/ruby/1.8
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/

系统上还安装了以下 gem:

The following gems have been installed on the system as well:

C:UsersArne>gem list --local

*** LOCAL GEMS ***

abstract (1.0.0)
actionmailer (3.0.7)
actionpack (3.0.7)
activemodel (3.0.7)
activerecord (3.0.7)
activeresource (3.0.7)
activesupport (3.0.7)
arel (2.0.9)
builder (3.0.0, 2.1.2)
bundler (1.0.12)
erubis (2.7.0, 2.6.6)
fastthread (1.0.7)
i18n (0.5.0)
mail (2.3.0, 2.2.18)
mime-types (1.16)
mysql (2.8.1 x86-mingw32)
polyglot (0.3.1)
rack (1.2.2)
rack-mount (0.7.2, 0.6.14)
rack-test (0.5.7)
rails (3.0.7)
railties (3.0.7)
rake (0.8.7)
rdoc (3.5.3, 2.5.11)
rdoc-data (2.5.3)
rubygems-update (1.7.2)
thor (0.14.6)
treetop (1.4.9)
tzinfo (0.3.27, 0.3.26)

我不知道缺少什么或错误，但脚本指向的输出文件包含以下数据:

I don't know what's missing or wrong, but the output files pointed to by the script contain the following data:

mkmf.log:

have_func: checking for rb_thread_blocking_region()... -------------------- no

"gcc -o conftest -I. -IC:/Ruby/lib/ruby/1.8/i386-mingw32 -I.    -g -O2 -DFD_SETSIZE=256    conftest.c  -L. -LC:/Ruby/lib -L.      -lmsvcrt-ruby18-static  -lshell32 -lws2_32  "
conftest.c: In function 't':
conftest.c:7:53: error: 'rb_thread_blocking_region' undeclared (first use in this function)
conftest.c:7:53: note: each undeclared identifier is reported only once for each function it appears in
checked program was:
/* begin */
1: #include <ws2tcpip.h>
2: #include <winsock2.h>
3: #include <windows.h>
4: 
5: /*top*/
6: int main() { return 0; }
7: int t() { void ((*volatile p)()); p = (void ((*)()))rb_thread_blocking_region; return 0; }
/* end */

"gcc -o conftest -I. -IC:/Ruby/lib/ruby/1.8/i386-mingw32 -I.    -g -O2 -DFD_SETSIZE=256    conftest.c  -L. -LC:/Ruby/lib -L.      -lmsvcrt-ruby18-static  -lshell32 -lws2_32  "
C:UsersArneAppDataLocalTempccCicaNu.o: In function `t':
C:Rubylib
ubygems1.8gemsmysql2-0.3.2extmysql2/conftest.c:3: undefined reference to `rb_thread_blocking_region'
collect2: ld returned 1 exit status
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { rb_thread_blocking_region(); return 0; }
/* end */

--------------------

have_library: checking for main() in -llibmysql... -------------------- no

"gcc -o conftest -I. -IC:/Ruby/lib/ruby/1.8/i386-mingw32 -I. -IC:Program    -g -O2 -DFD_SETSIZE=256    conftest.c  -L. -LC:/Ruby/lib -LC:Program -L.      -lmsvcrt-ruby18-static -llibmysql  -lshell32 -lws2_32  "
c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/bin/ld.exe: cannot find -llibmysql
collect2: ld returned 1 exit status
checked program was:
/* begin */
1: #include <ws2tcpip.h>
2: #include <winsock2.h>
3: #include <windows.h>
4: 
5: /*top*/
6: int main() { return 0; }
7: int t() { void ((*volatile p)()); p = (void ((*)()))main; return 0; }
/* end */

"gcc -o conftest -I. -IC:/Ruby/lib/ruby/1.8/i386-mingw32 -I. -IC:Program    -g -O2 -DFD_SETSIZE=256    conftest.c  -L. -LC:/Ruby/lib -LC:Program -L.      -lmsvcrt-ruby18-static -llibmysql  -lshell32 -lws2_32  "
c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/bin/ld.exe: cannot find -llibmysql
collect2: ld returned 1 exit status
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { main(); return 0; }
/* end */

--------------------

gem_make.out:

gem_make.out:

C:/Ruby/bin/ruby.exe extconf.rb --with-mysql-include=C:Program Files (x86)MySQLMySQL Server 5.1include --with-mysql-lib=C:Program Files (x86)MySQLMySQL Server 5.1lib"
checking for rb_thread_blocking_region()... no
checking for main() in -llibmysql... no

我希望有人能指出我做错了什么，或者我的开发系统中实际上缺少什么，以便正确安装和工作.

I hope someone can point what I'm doing wrong, or what is actually missing on my development system to get this gem properly installed and working.

推荐答案

终于解决了:

  1. 已下载并安装 MySQL 64bit 5.5 版
  2. 已下载 32 位 5.5 版的 zip 存档.
  3. 将 32 位 include 和 lib 文件夹提取到 C:MySQL.
  4. 已安装 Ruby 1.9.2.
  5. 安装了 Ruby Devkit.
  6. 安装了 gem:
  1. Downloaded and installed MySQL 64bit version 5.5
  2. Downloaded the zip archive for the 32bit version 5.5.
  3. Extracted the 32-bit include and lib folders to C:MySQL.
  4. Installed Ruby 1.9.2.
  5. Installed the Ruby Devkit.
  6. Installed the gems:
  1. gem install mysql
  2. gem install mysql2 -- --with-mysql-lib=C:MySQLlib --with-mysql-include=C:MySQLinclude
  3. gem install rails
  4. gem install fastthread
  5. gem install haml

它现在就像一个魅力.似乎 MySQL gem 在处理 64 位时无法找到数据.

It's working as a charm now. It seems the MySQL gem has issues finding the data when dealing with 64-bit.

这篇关于无法安装 mysql2 gem的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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