Building R 2.12 and Python 3.1 (development snapshot)

Although I already installed the upcoming R 2.11, I decided to build the daily snapshot from scratch, this time not as a Framework version. It suffices to have a look at the configure option to see that… there are many ones! I installed many programs in my /usr/local (in line with ideas coming from Jan de Leeuw), but I never take any note of what I was doing. As a consequence, if I was to reinstall all the 18 Go of programming stuff I put in my /usr/local, it will take me one week again… Hence, I decided to now log on the main install on my Mac. Here, I used the following:

$ ./configure --with-aqua --with-blas='-framework vecLib' --with-lapack \
--prefix=/usr/local/R --disable-R-framework --with-readline --with-cairo \ 
--enable-memory-profiling --enable-R-shlib --x-includes=/usr/X11R6/include \
--x-libraries=/usr/X11R6/lib --build=x86_64-apple-darwin10 \
--host=x86_64-apple-darwin10 --target=x86_64-apple-darwin10

and the output reproduced below shows that this seems reasonable:

R is now configured for x86_64-apple-darwin10

Source directory:          .
Installation directory:    /usr/local/R

Interfaces supported:      X11, aqua, tcltk
External libraries:        readline, BLAS(vecLib), LAPACK(in blas), ICU
Additional capabilities:   PNG, JPEG, TIFF, NLS, cairo
Options enabled:           shared R library, R profiling, memory profiling, Java

Recommended packages:      yes

When compilation finished, I just checked that everything is ok before installing it:

$ make check
$ make info
$ sudo make install
$ sudo make install-info

Gotcha! I now have a working R 2.12.

$ Rexp

R version 2.12.0 Under development (unstable) (2010-04-04 r51591)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

I realized that yesterday I also compiled Python 3.1, this time as a Framework version. The main steps are quite simple. Download the latest build from http://www.python.org/download (Select a source tarball), then

$ ./configure --enable-framework --with-universal-archs="64-bit"
$ make
$ make test

I ended up with some errors, like:

309 tests OK.
3 tests failed:
    test_ctypes test_io test_osx_env

which I didn’t investigate further. Finally,

$ sudo make frameworkinstall

The newly compiled Python 3 now sits under /Library/Frameworks/Python.framework/Versions/3.1/, and the executable is located in /usr/local/bin. I just symlink it to get a convenient distinction between older releases (actually versions 2.5 and 2.6 which were shipped with Snow Leopard)—with default python as Python 2.6—and this one as python3:

$ sudo ln -s /usr/local/bin/python3.1 /usr/local/bin/python3
$ python3
Python 3.1.2 (r312:79147, Apr  3 2010, 19:07:49) 
[GCC 4.2.1 (Based on Apple Inc. build 5646) (LLVM build 2206)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
$ python3 Demo/scripts/pi.py 
314159265358979323846264338327950288419716939937510582097494...

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