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Computer Mad Science: The Anatomy Of A Makefile Part 1

Posted 01-28-2012 at 01:17 PM by rainbowsally

Features:
  • Anatomy of a Makefile

Requires:
  • an editor that can produce real TABs
  • make
  • And bash (with a 'B')... Not DASH, the Debian default shell, which can cause problems with some makefiles, especially on KDE sytems when trying to link
    libpthreads.

This might be interesting for even non-programmers, just to see how makefiles efficiently work through their dependencies.

[If you're already up to speed on what make does, skip to Part 2 and we'll create...
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Old

To boot a broken openSUSE 11.4 (also dual-linux bootloader issues)

Posted 01-28-2012 at 03:31 AM by rainbowsally
Updated 08-06-2014 at 10:33 AM by rainbowsally

To boot a broken openSUSE system:

Use the DVD. (I am not online when I do this but it should work either way.)

1. Select "install" at the main menu, then when you get to the menu,

2. Select "update" <- IMPORTANT! If you don't click on 'update' it will destroy your home folders at the last step. Reboot (reset is fine here) if there's any question and run the installer again.

Evaluating the root partition is ok....
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Old

KDE Utils: new.exec, shell-exec (for ENTER &amp; click on executables)

Posted 01-28-2012 at 03:08 AM by rainbowsally

[This post includes some test data showing what's wrong in KDE and a peek into the configuration files for various file types.]

Let's start with a program that writes programs. This is 'new.exec'.

file: new.exec (executable)
purpose: create a skeleton of a clickable shell program with an 'exec' extension.
Code:
#!/bin/sh
# creates a new exec file named $1.exec that does $2

name_exec="$1.exec"
cd_here='cd `dirname
...
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Old

Simple C: Beyond Bash Part 2 - Dependency lister for dir branch (recursive)

Posted 01-27-2012 at 06:09 AM by rainbowsally
Updated 08-06-2014 at 10:33 AM by rainbowsally

[Note to myself: Needs rewrite using libLQ.]

Simple C: Beyond Bash Part 2 - Dependency lister for dir branch (recursive)

CHANGELOG

* Sat Feb 18, 2012 -rs

find-deps version 1.2

In 'find_elf()' changed pipecmd to "find * -executable -o name *.so*" because some libs
may not have have their executable flag set, such as an unpacked from an rpm package that
doesn't have the perms set until install time....
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Old

Simple C: Beyond Bash Part 1 - String lists and pipes

Posted 01-26-2012 at 08:03 AM by rainbowsally
Updated 04-05-2012 at 07:54 PM by rainbowsally

[Note, this is marked for POSSIBLE deletion in the future by the author. This version is not exactly the same as the one in libLQ. In fact it may be removed a bit later, though it has some advantages over the the libLQ version in that it uses REAL char** types which behave exactly like any other char** type. The libLQ version monkeys with the base address in order to tuck an 'argc' below the first arg and thus avoid repeatedly literally 'count'-ing the string size. It is is a subclass of an...
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