|Autotools: A practitioner's guide to GNU Autoconf, Automake, and Libtool|
|publisher||No Starch Press|
|summary||Teaches how to master the Autotools build system to maximize your software|
John's style is more extensive and takes a longer path to the "technical meat" of the problem than the 10-year old alternative, but in this reader's opinion it flows significantly better as there is an underlying story, a thread that connects the bits of what is otherwise a pretty arid subject. For those masters of shell-fu, this book is a page-turner, while for mere mortals it is a good, approachable, path into a difficult skill.
The book is structured around the packaging of two different projects, the first being a simplified "Hello, World" project to provide a digestible introduction to the processes and technology of the Autotools, while the second representing the full-blown packaging of a complex, real-world project (the FLAIM high-performance database). This is a very good approach, breaking the theory into many practical examples of practice, and providing many ready-made bits that the rest of us can start our own configuration build files from. The result is a first half providing a gentler, streamlined introduction to the subject matter, before the full jump into the gory details of the most complex possibilities the toolset offers. While it must be noted that John attempts to keep away from those most fine details which "may be subject to change" between minor releases of the tooling, which is doubtlessly good for both our scripts' and the book's shelf life, it must be observed that he does not shy away from very dense (and otherwise utterly undocumented) material, such as the use of M4 macros in Autoconf, something a colleague of mine once pointed to me as "the one more reason I'd rather chew broken glass than deal with Autotools".
Assuming you have the requisite knowledge of Make, Shell scripting (particularly Bash), and GCC that are essential to a developer, packager, maintainer or buildmaster of a Linux, BSD or *NIX project, or that you are on your way to achieving those skills, this is a book that belongs in your shelf, right next to the RPM documentation. This is material for experts or experts in the making, but in my opinion you will find no better introduction to this complex subject. I had it on my wish list well before it was ever printed, and its presence on my desk caused several other developers in my office to order their copies pretty much on the spot upon finding out of its existence. Either as a learning tool for a skill you are trying to attain, or as a reference to turn to when faced with the complexities of this unique set of tools, this book is well worth its price tag.
I certainly hope this is not the last publication we see on the Autotools in this decade, but either way, it is a good start indeed - and my hope is that the publisher will refresh the title when an update is warranted, without waiting ten years!
Federico Lucifredi is the maintainer of man (1) and a Product Manager for the SUSE Linux Enterprise and openSUSE distributions.
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