OSX 10.10 Yosemite安装tiny_tds时出错，如何解决这个棘手问题？

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在尝试安装 `tiny_tds` 这个 Ruby gem 时遇到了问题。以下是简化后的错误信息：

无法安装 tiny_tds。错误：构建 gem 本地扩展失败。请使用 gem install tiny_tds 命令。

互联网,我不知道该怎么做.升级到优胜美地后,我无法安装tiny_tds

$gem install tiny_tds Building native extensions. This could take a while... ERROR: Error installing tiny_tds: ERROR: Failed to build gem native extension. /Users/jpolley/.rvm/rubies/ruby-2.1.1/bin/ruby extconf.rb checking for iconv_open() in iconv.h... no checking for iconv_open() in -liconv... no ----- libiconv is missing. -----

你能帮我吗？

我安装了Yosemite OSX 10.10和XCode 6.1.

我得到了安装xCode命令工具的建议,允许我安装libiconv.

然后brew安装libiconv.

然后brew链接libiconv.

$xcode-select --install xcode-select: error: command line tools are already installed, use "Software Update" to install updates

然后我做了：

$brew install libiconv Error: No available formula for libiconv Apple distributes libiconv with OS X, you can find it in /usr/lib. Some build scripts fail to detect it correctly, please check existing formulae for solutions.

所以我必须这样做：

$brew tap homebrew/dupes

然后我做了：

$brew link libiconv Warning: libiconv is keg-only and must be linked with --force Note that doing so can interfere with building software. $brew link libiconv --force Linking /usr/local/Cellar/libiconv/1.14... 16 symlinks created

当我尝试安装tiny_tds时,这让我超越了原来的错误“libiconv is missing”.我现在得到了一个不同的错误：“freetds缺失”

$brew install freetds

最后：

$gem install tiny_tds Building native extensions. This could take a while... Successfully installed tiny_tds-0.6.2 Parsing documentation for tiny_tds-0.6.2 Installing ri documentation for tiny_tds-0.6.2 Done installing documentation for tiny_tds after 0 seconds 1 gem installed