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Question

I have problems with my macport after update to OS X 10.9.

I try to follow this manual https://trac.macports.org/wiki/Migration to fix them.

But when I inst

Answer 1

Once you get the command line tools loaded as described by Nikos M in his excellent answer above you will need to agree to the gcc license and if you are using ruby gems you may need to link llvm-gcc as gcc-4.2.

If you do not do these the gem install will report "You have to install development tools first." after you have already installed them.

The steps are:

sudo gcc
sudo ln -s /usr/bin/llvm-gcc /usr/bin/gcc-4.2

The gcc must be run once under sudo so Apple can update their license info, you don't need an input file, it will update the license before it checks its arguments. The link is needed so that ruby 1.9 can find the compiler when building certain gems, such as the debugger. This may be fixed in ruby 2.x, but I'll cross that bridge when I get there.