本文介绍了尝试运行Octopress的捆绑软件安装时出现RedCloth makefile错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我刚刚从Git（github.com/imathis/octopress.git octopress）将Octopress下载到本地机器，但是当我尝试按照说明运行软件包安装时，（）我得到一个make错误。我正在运行Xcode 3.2版 - 我需要从Apple Developer网站升级到4.x吗？
我还运行Ruby 1.9.2p180 RVM。我需要运行一个更新的版本吗？
当我尝试运行sudo gem install RedCloth时，输出如下：
构建原生扩展。这可能需要一段时间...
错误：安装RedCloth时出错：
错误：无法构建gem原生扩展。
/Users/user/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
检查main（）in -lc ... extconf.rb失败
由于某种原因无法创建Makefile，可能缺少
必需的库和/或头文件。查看mkmf.log文件以获取更多
的详细信息。您可能需要配置选项。
提供的配置选项：
--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 = / Users / user / .rvm / rubies / ruby-1.9.2-p180 / bin / ruby
--with-redcloth_scan-dir
--without-redcloth_scan-dir
--with-redcloth_scan-include
--without-redcloth_scan-include = $ {redcloth_scan-dir} / include
--with-redcloth_scan-lib
--without-redcloth_scan-lib = $ {redcloth_scan-dir} / lib
--with-clib
--without-clib
/Users/user/.rvm/ rubies / ruby-1.9.2-p180 / lib / ruby / 1.9.1 / mkmf.rb：368：在`try_do'中：
编译器未能生成可执行文件。 （RuntimeError）您必须先安装
开发工具。
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:435:in`try_link0'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:440:in`try_link'
from /Users/user/.rvm/rubies /ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:552:in`try_func'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/ lib / ruby / 1.9.1 / mkmf.rb：748：位于
中的`block中has_library'$ / b $ b from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby /1.9.1/mkmf.rb:693:in`block in
checking_for'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9。 1 / mkmf.rb：280：在`block（2
levels）中推迟'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9 .1 / mkmf.rb：254：在`open'中
来自/Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280：在
中的block中，从/Users/user/.rvm/rubies-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in`后面延迟'
'open '来自/Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:276的
：从`/Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:692:in
``checking_for'$推迟
b / b from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:743:in
`have_library'
from extconf .rb：5：在< main>'
Gem文件将保持安装在/Users/user/.rvm/gems/ruby-1.9.2-p180/gems/RedCloth-
4.2。 8检查。
结果记录到/Users/user/.rvm/gems/ruby-1.9.2-p180/gems/RedCloth-
4.2.8 / ext / redcloth_scan / gem_make.out
code>
解决方案
这为我修正了错误。
sudo apt-get install ruby1.9.1-full
sudo update-alternatives --config ruby
（似乎错误是由于某些ruby1.9.1-dev构建文件/配置丢失导致的）
I've just pulled down Octopress from Git ( github.com/imathis/octopress.git octopress ) to my local machine, but when I try to run bundle install per the instructions, ( http://octopress.org/docs/setup/ ) I get a make error. I'm running version 3.2 of Xcode--do I need to update to 4.x from the Apple Developer site?
I'm also running Ruby 1.9.2p180 per RVM. Do I need to run a more recent version?
Here's the output when I try to run sudo gem install RedCloth:
Building native extensions. This could take a while...
ERROR: Error installing RedCloth:
ERROR: Failed to build gem native extension.
/Users/user/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
checking for main() in -lc... extconf.rb failed
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/user/.rvm/rubies/ruby-1.9.2-p180/bin/ruby
--with-redcloth_scan-dir
--without-redcloth_scan-dir
--with-redcloth_scan-include
--without-redcloth_scan-include=${redcloth_scan-dir}/include
--with-redcloth_scan-lib
--without-redcloth_scan-lib=${redcloth_scan-dir}/lib
--with-clib
--without-clib
/Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The
complier failed to generate an executable file. (RuntimeError) You have to install
development tools first.
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:748:in `block in
have_library'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:693:in `block in
checking_for'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in `block (2
levels) in postpone'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in `block in
postpone'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:692:in
`checking_for'
from /Users/user/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:743:in
`have_library'
from extconf.rb:5:in `<main>'
Gem files will remain installed in /Users/user/.rvm/gems/ruby-1.9.2-p180/gems/RedCloth-
4.2.8 for inspection.
Results logged to /Users/user/.rvm/gems/ruby-1.9.2-p180/gems/RedCloth-
4.2.8/ext/redcloth_scan/gem_make.out
解决方案
this fixed the error for me..
sudo apt-get install ruby1.9.1-full
sudo update-alternatives --config ruby
(it seems the error is caused when some of the ruby1.9.1-dev build files/config are missing)
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