Comments on: Configure Readline with wrong directory. Oops.

Question: Configure Readline with wrong directory. Oops.

djgh — Mon, 23 Jul 2007 20:18:08 -0800

Configured Readline with the prefix 'ur/local' on OSX. Then installed Ruby in /usr/local, but with Readline. Would like to put everything in the proper place without damaging anything, so what do I do now?

A history snippet so you can see exactly what I've done:



  313  cd /usr/local

  314  cd src

  315  ls

  316  cd readline-5.1

  317  clear

  318  ls

  319  clear

  320  ./configure --prefix=/ur/local

  321  make

  322  sudo make install

  323  cd ..

  324  ls

  325  clear

  326  curl -O ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6.tar.gz

  327  tar xzvf ruby-1.8.6.tar.gz

  328  cd ruby-1.8.6

  329  ./configure --prefix=/usr/local --enable-pthread --with-readline-dir=/usr/local --enable-shared

  330  make

  331  sudo make install

  332  sudo make install-doc

Following Hivelogic's instructions, I did the above, failing to notice my typo. So now I have a /ur/local directory with what appears to be Readline inside, whilst Ruby resides in /usr/local.

I should mention that everything seems to have worked (Ruby works fine), so this is more to keep everything tidy and in the proper place.

I'm unfamiliar with the intricacies of configure, make etc., but would I be correct in assuming that I can't just take out Readline and reinstall due my invoking it when installing Ruby?

What should I do now to put Readline in /usr/local? Or should I just uninstall/unmake everything and start again (and how should I go about that - specific commands would be extremely helpful, due to my inexperience in this area)?

By: bitdamaged

bitdamaged — Mon, 23 Jul 2007 20:23:03 -0800

Just move readline from /ur/local to /usr/local

By: Netzapper

Netzapper — Mon, 23 Jul 2007 20:44:13 -0800

I'm not quite sure what the process is on OSX, but over in ubuntu/gnu+linux(/politically-correct) land, I'd do the following as the super user:



mv /ur/local/lib/libreadline* /usr/local/lib

ldconfig

rm -rf /ur

rm -ri /ur

Be very careful on that last line, be careful you don't make a mistake in the other way and blow away all of 'usr' instead of 'ur'. Triple check it. In fact, I've actually gone ahead and changed the 'f' argument to an 'i' argument, just so that you will have to check it.

By: djgh

djgh — Mon, 23 Jul 2007 20:48:39 -0800

So there are no dependencies or anything that will be screwed up by my justing moving it?

By: kcm

kcm — Mon, 23 Jul 2007 21:16:09 -0800

FWIW, you already have /usr/lib/libreadline.dylib most likely. You can see where the Ruby binary is linked to with otool:

% otool -L /path/to/ruby

If it's linked to another libreadline, you probably don't even need yours. What I would do, in order of preference, is to use fink for all of this. Failing that for whatever reason, I'd rebuild everything with the correct prefixes. You can remove /ur/local entirely, then anything else you install will either overwrite the old data or install the proper data. It doesn't take too long to do all that, given that you've already done it, so you may as well avoid any potential runpath problems in the future.

But really, 'fink install ruby' is much cleaner. :)

By: hattifattener

hattifattener — Mon, 23 Jul 2007 22:42:38 -0800

yeah, there are dependencies (which you can view with otool, like kcm says) — each executable (and shared library) contains the paths to other shared libraries it depends on. There isn't any particular equivalent to Linux's ldconfig. There are workarounds you could do, but really you should just delete and reinstall readline, and re-configure and -make ruby.