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尝试安装 geoip_city gem 时，我不断收到错误消息。我已经将 GeoIP C 库安装到 /opt/GeoIP，但 gem 似乎没有选择它。我试过了：

sudo gem install geoip_city -- --with-geoip-dir=/opt/GeoIP


sudo gem install geoip_city -- --with-geoip-lib=/opt/GeoIP/lib


sudo gem install geoip_city -- --with-geoip-dir=/opt/GeoIP --with-geoip-lib=/opt/GeoIP/lib

所有这些都输出此错误：

Building native extensions.  This could take a while...
ERROR:  Error installing geoip_city:
    ERROR: Failed to build gem native extension.

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb --with-geoip-lib=/opt/GeoIP/lib
checking for GeoIP_record_by_ipnum() in -lGeoIP... no
you must have geoip c library installed!
*** 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=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
    --with-geoip-dir
    --without-geoip-dir
    --with-geoip-include
    --without-geoip-include=${geoip-dir}/include
    --with-geoip-lib=${geoip-dir}/lib
    --with-GeoIPlib
    --without-GeoIPlib


Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/geoip_city-0.2.0 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/geoip_city-0.2.0/gem_make.out
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2 回答 2

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不过，cantorrodista 走在了正确的轨道上。我必须像这样运行命令： sudo env ARCHFLAGS="-arch i386" gem install geoip_city -- --with-geoip-dir=/opt/GeoIP

于 2010-05-02T18:00:30.947 回答
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我认为您必须传递 ARCHFLAGS 参数以指示将为 64 位架构构建：

sudo env ARCHFLAGS="-arch x86_64" gem install geoip_city -- --with-geoip-dir=/opt/GeoIP

于 2010-05-02T08:23:44.707 回答