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The instructions for rebuilding CCL from sources in this chapter section is missing a step or two that is required when one is installing CCL on certain ARM processors (e.g. ARMv6 used in Raspberry Pi).

cd lisp-kernel/linuxarm make clean make

This is due to differences in the instruction-set on different versions/models of the ARM processor, so some recompilation on the target architecture is necessary.

On a broader note, there are incomplete or obsolete instructions for installing CCL on the Raspberry Pi floating around on various forums/blogs. One high-pagerank example is:

​http://mickcharlesbeaver.blogspot.com/2014/01/clozure-common-lisp-ccl-on-raspberry-pi.html

This refers to the released version 1.9, that does not have a build fix that deals with soft v hard floating-point variants. As of this writing, you need to download and build trunk. Otherwise you have to fix/hardwire the build script as RME mentioned in the internal Clozure IRC a few days ago, to deal with floating point issues.

The blog entry mentions the make clean && make issue raised in this bug report, but it does not mention that you have to recompile from sources to get a fully functional CCL image.

We found this bug while testing asdf's run-program. This notably matter when invoking CMD.EXE:

? (ccl::make-windows-command-line '("echo" "ok" "1"))
"echo ok 1 " ;; instead of "echo ok 1"

The problem is that due to the time when you shorten the list of string, the test (when strings ...) around printing the space should instead be (when (cdr strings) ...).

PS: you may or may not want to M-x delete-trailing-whitespace and/or have a svn hook that ensures you don't have such whitespace.

As of this writing, there's some support for this in the trunk.