在Mac OS X 10.4.11上安装机械化gem会导致'无法构建gem原生扩展' [英] Installing mechanize gem on Mac OS X 10.4.11 gives 'Failed to build gem native extension'

问题描述

错误：错误：安装时出现错误机械化：

错误：无法构建gem本机扩展。

$ b $ / usr / local / bin / ruby​​ extconf.rb install mechanize

检查#include

...是

检查#include

...是

检查＃包括

...是

检查#include

...是

在-lxml2中检查xmlParseDoc（）。 ..是

检查xsltParseStylesheetDoc（）in -lxslt ...是

检查exsltFuncRegister（）in -lexslt ...是

创建Makefile

** make
gcc -I。 -一世。 -I / usr / local / lib / ruby​​ / 1.8 / i686-darwin8.9.1 -I。 -I / opt / local / include / -I / opt / local / include / libxml2 -fno-common -g -O2 -pipe -fno-common -g -DXP_UNIX -O3 -Wall -Wcast-qual -Wwrite-strings - Wconversion -Wmissing-noreturn -Winline -c html_document.c

从./html_document.h:4包含的文件中，从html_document.c获取

：1：

./native.h:11:28：error：libxml / xmlsave.h：没有这样的文件或目录

make：* ** [html_document.o]错误1 **

因此，xmlsave.h无法在/ opt / local / include /或/ opt / local / include / libxml2中找到$​​ b $ b是libxml2作为框架安装在/Library/Frameworks/libxml2.framework /

然后我决定创建一个从libxml头文件目录到/ opt / local / include的符号链接/ xml2，所以我做了

  ln -s /Library/Frameworks/libxml2.framework/Headers/libxml/ libxml2 
  

但我仍然无法安装该宝石。

任何指针或想法都是非常重要的我遇到了同样的问题，没有安装机械化，而是安装了webrat。以下是我的工作：

  sudo ln -s / usr / include / libxml2 / opt / local / include / libxml2 
  

I'm trying to install mechanize gem on a MAC OS X but I keep getting the following error :

ERROR: Error installing mechanize:
ERROR: Failed to build gem native extension.

/usr/local/bin/ruby extconf.rb install mechanize
checking for #include
... yes
checking for #include
... yes
checking for #include
... yes
checking for #include
... yes
checking for xmlParseDoc() in -lxml2... yes
checking for xsltParseStylesheetDoc() in -lxslt... yes
checking for exsltFuncRegister() in -lexslt... yes
creating Makefile

** make gcc -I. -I. -I/usr/local/lib/ruby/1.8/i686-darwin8.9.1 -I. -I/opt/local/include/ -I/opt/local/include/libxml2 -fno-common -g -O2 -pipe -fno-common -g -DXP_UNIX -O3 -Wall -Wcast-qual -Wwrite-strings -Wconversion -Wmissing-noreturn -Winline -c html_document.c
In file included from ./html_document.h:4,
from html_document.c:1:
./native.h:11:28: error: libxml/xmlsave.h: No such file or directory
make: * ** [html_document.o] Error 1**

So xmlsave.h could not be found inside /opt/local/include/ or /opt/local/include/libxml2 The thing is libxml2 is installed as a framework at /Library/Frameworks/libxml2.framework/

Then I decided to create a symlink from libxml headers directory to /opt/local/include/xml2 so I did

ln -s /Library/Frameworks/libxml2.framework/Headers/libxml/ libxml2

but I still can't install the gem.

Any pointers or ideas are very much appreciated.

解决方案

I ran into this same issue, not installing mechanize but webrat. Here's what worked for me:

sudo ln -s /usr/include/libxml2 /opt/local/include/libxml2

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