【发布时间】：2013-07-16 10:03:09
【问题描述】：
使用巧克力我已经安装了 ruby 和 ruby.devkit
cinst ruby
cinst ruby.devkit
然后我按照github wiki 上的说明进行了测试，并按照point 5 中的详细说明测试了devkit
gem install json --platform=ruby
ruby -rubygems -e "require 'json'; puts JSON.load('[42]').inspect"
这工作正常，所以我假设我的 devkit 安装是正确的。但是，当我尝试像这样安装 mysql gem 时
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
我的所有路径都正确，我是following this tutorial。日志文件对我没有多大帮助，但它就在这里。
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 */
相关问题
Installing mysql-2.9.0 gem on Windows fails due to lack of libmysql 有完全相同的错误，但我已经在做接受的答案，但仍然收到错误
这个答案似乎表明我不应该费心尝试构建 gem 而只使用二进制版本 https://stackoverflow.com/a/13613036/799628 所以也许我会这样做...
注意：我最终改用了 mysql2 gem，它有足够的功能来满足我的需要。
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