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Editorial Team
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Asked: 2026-05-20T08:23:11+00:00

I’m trying to install the ruby gem for curl (curb) on Ubuntu 10.10, but

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I’m trying to install the ruby gem for curl (curb) on Ubuntu 10.10, but during the installation, I get the error:

/usr/bin/ld: cannot find -lcurl

But curl is installed! apt-get install curl says I’ve got the newest version. There is no curl-dev either.

I’m getting these kinds of errors all the time, with curl, with libxml, with readline, and I have no idea what’s going on. Something is wrong with my installation of Ubuntu, but I don’t know what, I don’t know where to look, I don’t know what to google for, and I don’t know how to fix it.

Help would be deeply appreciated.

EDIT: this is in my /usr/lib dir for libcurl:

lrwxrwxrwx  1 root root      19 2011-02-18 23:15 libcurl-gnutls.so.3 -> libcurl-gnutls.so.4
lrwxrwxrwx  1 root root      23 2011-02-18 23:15 libcurl-gnutls.so.4 -> libcurl-gnutls.so.4.2.0
-rw-r--r--  1 root root  339880 2010-06-23 09:07 libcurl-gnutls.so.4.2.0
lrwxrwxrwx  1 root root      12 2011-02-18 23:14 libcurl.so.3 -> libcurl.so.4
lrwxrwxrwx  1 root root      16 2011-02-18 23:14 libcurl.so.4 -> libcurl.so.4.2.0
-rw-r--r--  1 root root  360904 2010-06-23 09:07 libcurl.so.4.2.0
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1 Answer

  1. Editorial Team

    You need the libcurl3-dev package.
    Curl is just the command line utility. The library is libcurl3, and it has a -dev package.
    (It seems to be a virtual package in Maverick, redirecting to libcurl4-openssl-dev, but that should still work or the virtual package would not have been provided.) Indeed from your lib directory I can see that libcurl3 is merely a symbolic link to libcurl4. (libcurl3-dev may not be available in the future, so use libcurl4-openssl-dev directly).

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