通过rvm
安装new ruby 2.0.0-p648时出现以下错误$ rvm install 2.0.0
Searching for binary rubies, this might take some time.
Found remote file https://rubies.travis-ci.org/ubuntu/14.04/x86_64/ruby-2.0.0-p648.tar.bz2
Checking requirements for ubuntu.
Installing requirements for ubuntu.
Updating system..bob password required for 'apt-get --quiet --yes update':
...........
Installing required packages: libgmp-dev....
Error running 'requirements_debian_libs_install libgmp-dev',
showing last 15 lines of /home/rank/.rvm/log/1467783851_ruby-2.0.0-p648/package_install_libgmp-dev.log
++ sudo -p '%p password required for '\''apt-get --no-install-recommends --yes install libgmp-dev'\'': ' apt-get --no-install-recommends --yes install libgmp-dev
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libgmp-dev : Depends: libgmp10 (= 2:5.0.2+dfsg-2ubuntu1) but 2:5.1.3+dfsg-1ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.
++ return 100
++ return 100
Requirements installation failed with status: 100.
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