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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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.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.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.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.
5.2. Brief Introduction to Portable sh
If you read a number of 'configure.in's, you will quickly notice that they tend to be written in an unusual style. You will notice, for instance, that you hardly ever see the '[' program used; instead you will see 'test' invoked. We won't go into all the details of writing a portable shell script here; instead, we leave that for Chapter 21, "Writing Portable Bourne Shell."
Like other aspects of portability, the approach you take to writing shell scripts in 'configure.in' and 'Makefile.am' should depend on your goals. Some platforms have notoriously broken sh implementations. For instance, Ultrix sh doesn't implement unset. Of course, the GNU Autotools are written in the most portable style possible, so as ...
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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.
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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.