I typed 'gem install middleman' in my terminal and got the following error message:
Building native extensions. This could take a while...
ERROR: Error installing middleman:
ERROR: Failed to build gem native extension.
/usr/local/rvm/rubies/ruby-1.9.3-p429/bin/ruby extconf.rb
creating Makefile
make
compiling hitimes.c
make: gcc-4.2: No such file or directory
make: *** [hitimes.o] Error 1
Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.3-p429/gems/hitimes-1.2.2 for inspection.
Results logged to /usr/local/rvm/gems/ruby-1.9.3-p429/gems/hitimes-1.2.2/ext/hitimes/c/gem_make.out
Looks like you're missing gcc-4.2
Do you have any GCC installed (if you're on a Mac, you need to install Xcode)?
which gcc
If you already have a version of gcc, you can simply symlink to it
ln -s /usr/bin/gcc /usr/bin/gcc-4.2
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