October 2000
Intermediate to advanced
432 pages
9h 9m
English
book
GNU Autoconf, Automake, and Libtool
by Gary V. Vaughan, Ben Elliston, Tom Tromey, Ian Lance Taylor
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22.4. Implementation Specifics
This section provides some tips about how to actually go about writing your macros after you have decided what it is that you want to test and how to go about testing for it. It covers writing shell code for the test and optionally caching the results of those tests.
22.4.1. Writing Shell Code
It is necessary to adopt a technique of writing portable Bourne shell code. Often, shell programming tricks you might have learned are actually extensions provided by your favorite shell and are non-portable. When in doubt, check documentation or try the construct on another system's Bourne shell. For a thorough treatment of this topic, see Chapter 21, "Writing Portable Bourne Shell."
22.4.2. Using M4 Correctly
Writing macros ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.