在Windows中安装mysql ruby​​ gem失败,使用ruby 2.0.0

Question

巧妙地使用我安装了ruby和ruby.devkit

cinst ruby
cinst ruby.devkit

然后我按照github wiki上的说明进行操作,并在第5点详细测试了devkit

gem install json --platform=ruby
ruby -rubygems -e "require 'json'; puts JSON.load('[42]').inspect" 

这工作正常,所以我认为我的devkit安装是正确的.但是当我尝试安装mysql gem时就是这样

gem install mysql --platform=ruby -- --with-mysql-dir=C:/mysql-connector-c-noinstall-6.0.2-win32

我收到以下错误

This could take a while...
ERROR:  Error installing mysql:
        ERROR: Failed to build gem native extension.

    C:/ruby200/bin/ruby.exe extconf.rb --with-mysql-dir=C:/mysql-connector-c-noinstall-6.0.2-win32 
checking for main() in -llibmysql... no
*** 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:/ruby200/bin/ruby
        --with-mysql-dir
        --with-mysql-include
        --without-mysql-include=${mysql-dir}/include
        --with-mysql-lib=${mysql-dir}/
        --with-libmysqllib
        --without-libmysqllib


Gem files will remain installed in C:/ruby200/lib/ruby/gems/2.0.0/gems/mysql-2.9.1 for inspection.
Results logged to C:/ruby200/lib/ruby/gems/2.0.0/gems/mysql-2.9.1/ext/mysql_api/gem_make.out

我的所有路径都是正确的,我正在学习本教程.日志文件对我没什么帮助,但在这里.

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

"gcc -o conftest.exe -IC:/ruby200/include/ruby-2.0.0/i386-mingw32 -IC:/ruby200/include/ruby-2.0.0/ruby/backward -IC:/ruby200/include/ruby-2.0.0 -I. -IC:/mysql-connector-c-noinstall-6.0.2-win32/include -DFD_SETSIZE=2048 -D_WIN32_WINNT=0x0501 -D_FILE_OFFSET_BITS=64   -O3 -fno-omit-frame-pointer -fno-fast-math -g -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration conftest.c  -L. -LC:/ruby200/lib -LC:\mysql-connector-c-noinstall-6.0.2-win32\lib\libmysql.dll -LC:/mysql-connector-c-noinstall-6.0.2-win32/ -L.      -lmsvcrt-ruby200  -lshell32 -lws2_32 -limagehlp -lshlwapi  "
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <winsock2.h>
4: #include <windows.h>
5: int main(int argc, char **argv)
6: {
7:   return 0;
8: }
/* end */

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相关问题

• 在Windows上安装mysql-2.9.0 gem失败,因为缺少libmysql具有完全相同的错误,但我已经做了接受的答案但仍然得到错误

• 这个答案似乎表明我不应该费心去构建gem而只是使用二进制版本/sf/answers/952912551/所以也许我会这样做...

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注意:我最终使用的是mysql2gem,它具有足够的功能以满足我的需求.

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Answer 1

我现在也遇到了同样的问题.但固定为ruby 2.0.0

从http://dev.mysql.com/downloads/connector/c/提取到目录,然后下载c的mysql连接器,然后

gem install mysql2 --platform=ruby -- --with-mysql-dir=C:/mysql-connector-c-noinstall-6.0.2-win32