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Computer Mad Science: The Anatomy Of A Makefile Part 2

Posted 01-28-2012 at 01:24 PM by rainbowsally
Updated 04-09-2012 at 05:44 AM by rainbowsally (updated makefile creator posted)

Note: There's a much more full featured and easily customized makefile creator here. Many features can be added without even recompiling it.
http://www.linuxquestions.org/questi...eration-34648/

For historical reasons we'll keep this blog entry for a while, I guess. -rs

------------------

Features:
  • Example: building an editable makefile creator.

CHANGELOG:
  • Feb
...
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Old

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 09-04-2013 at 10:24 PM 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 09-04-2013 at 10:23 PM 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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