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When the compiling instructions are not clear.

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Lately I’ve been playing around with old school Bulletin Board Systems (BBS).

This is something that you can still do over the internet, but it also is

something you can do on HAM radio. I was testing out several clients recently,

and one that I had to compile was a bit confusing to understand what was wrong

with the instructions.

The client in question was QTerm, which can be found here: https://github.com/

qterm/qterm

The instructions looked rather simple, first, install these dependencies:

sudo aptitude install build-essentials\nsudo aptitude install qt5-defaults

qttools5-dev qttools5-dev-tools qtscript5-dev qtmultimedia5-dev

But qt5-defaults doesn’t exist on Ubuntu, so I just scratched that one. Also,

the name in Ubuntu is actually build-essential, not build-essentials. So it

looked like this for me:

sudo apt-get install build-essential qttools5-dev qttools5-dev-tools

qtscript5-dev qtmultimedia5-dev cmake -y

Now I was ready to download the source and follow the instructions. They looked

like this:

Create the build directory side by side to qterm source directory\nmkdir -

p qterm-build && cd qterm-build\n# Using Qt4\ncmake ../qterm\n# Using

Qt5\ncmake ../qterm -DQT5=YES\n# If your Qt is under non-standard location,

specify the qmake program\ncmake ../qterm -DQT_QMAKE_EXECUTABLE=<path of qmake

program>\n# Build\nmake\n# Optionally create a binary package\nmake package

But when I ran the command, I got this error:

alaskalinuxuser@alaskalinuxuser-Unidentified-System:~/installed/qterm/qterm-

master/qterm-build$ cmake ../qterm -DQT5=YES\nCMake Error: The source directory

"/home/alaskalinuxuser/installed/qterm/qterm-master/qterm" does not

exist.\nSpecify --help for usage, or press the help button on the CMake GUI.

I realized that they were not specifying a file, but the folder. So I just had

to edit the command like so:

alaskalinuxuser@alaskalinuxuser-Unidentified-System:~/installed/qterm/qterm-

master/qterm-build$ cmake ../ -DQT5=YES

And then it could run. The truth is, I spent 15 minutes trying to find the

qterm file, only to realize they just wanted to point to the previous folder.

Apparently, on their system, that folder is named qterm and they built their

build directory outside of the source code folder!

So, the moral of the story is… be smarter than this guy and save yourself 15

minutes by recognizing that they just want to compile in the previous folder.

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Linux – keep it simple.