安裝gem時無法找到libxml2

安裝twilio-ruby時出現問題。我已經使用自制軟件安裝了libxml2並確認它在那裏。然而，當我嘗試運行安裝gem時無法找到libxml2

gem install twilio-ruby

我收到一個錯誤，它無法找到libxml2的。我試過指定libxml2的路徑，但仍然無法安裝。有什麼建議麼？

我曾嘗試以下

gem install twilio-ruby -- --with-xml2-dir=/usr/local/Cellar/libxml2 

gem install twilio-ruby -- --use-system-libraries

然後，所有這三個在一起：

gem install twilio-ruby -- --with-xml2-dir=/usr/local/Cellar/libxml2/2.9.1 --with-xml2-lib=/usr/local/Cellar/libxml2/2.9.1/lib --with-xml2-include=/usr/local/Cellar/libxml2/2.9.1/include

每次我得到類似以下的輸出。

gem install twilio-ruby -- --with-xml2-dir=/usr/local/Cellar/libxml2 
Building native extensions with: '--with-xml2-dir=/usr/local/Cellar/libxml2' 
This could take a while... 
ERROR: Error installing twilio-ruby: 
    ERROR: Failed to build gem native extension. 

    /Users/tom/.rvm/rubies/ruby-2.1.1/bin/ruby extconf.rb --with-xml2-dir=/usr/local/Cellar/libxml2 
checking for libxml/xmlversion.h in /opt/include/libxml2,/opt/local/include/libxml2,/usr/local/include/libxml2,/usr/include/libxml2... 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=/Users/tom/.rvm/rubies/ruby-2.1.1/bin/ruby 
    --with-xml2-config 
    --without-xml2-config 
    --with-xml2-dir 
    --with-xml2-include 
    --without-xml2-include=${xml2-dir}/include 
    --with-xml2-lib 
    --without-xml2-lib=${xml2-dir}/lib 
extconf failure: need libxml2. 

    Install the library or try one of the following options to extconf.rb: 

     --with-xml2-config=/path/to/xml2-config 
     --with-xml2-dir=/path/to/libxml2 
     --with-xml2-lib=/path/to/libxml2/lib 
     --with-xml2-include=/path/to/libxml2/include 


extconf failed, exit code 1 

Gem files will remain installed in /Users/tom/.rvm/gems/[email protected]/gems/libxml-ruby-3.0.0 for inspection. 
Results logged to /Users/tom/.rvm/gems/[email protected]/extensions/x86_64-darwin-12/2.1.0-static/libxml-ruby-3.0.0/gem_make.out 
'

來源

2017-09-16 thllm01

這麼多的痛苦和無奈，並試圖一堆東西后的溶液是以下幾點：

gem update --system 
    xcode-select --install # Then agree to the terms, even if you have done this before!

來源

2017-09-17 06:59:16 thllm01

安裝gem時無法找到libxml2

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