Centos 7: Can't launch Projucer

[PluginPenguin]

Hi,

as this is my first post, I want to start with a few words about me: I’m a master degree student in electrical engineering with a focus on audio signal processing. I’ve been a Mac user for long time and came across Juce when I was looking for a framework to get familiar with realtime audio processing. On my Mac, creating an Xcode based Juce Project with projucer works great. Now I want to use Juce on a university computer, running Centos 7. I have root rights on that machine, but I’m fixed to Centos 7 at the moment.

So I downloaded Juce for Linux, unpacked it and tried to run it. Unfortunately, it won’t open, instead I get:

Projucer: xcb_out.c:414: _xcb_out_flush_to: Assertion `((int64_t) ((request) - (c->out.request)) <= 0)' failed. Aborted (core dumped)

Is that a dependency problem? I found some hints referring to Ubuntu, but few referring to Centos 7. I would appreciate any hint on how to get Projucer running on that system!

Thank you in advance!

[t0m]

You should try compiling the Projucer yourself on Centos.

If change directory to extras/Projucer/Builds/LinuxMakefile/ and do

make

then you’ll start the build. It’s pretty likely that you will need to install some dependencies, so give this thread a look:

List of Juce dependencies under linux

I had to reinstall a fresh Ubuntu, and therefore grab all the dependancies for Juce…again. So I thought I’d make a little list and share it with you guys, in case it can save someone else’s time … sudo apt-get -y install g++ sudo apt-get -y install libfreetype6-dev sudo apt-get -y install libx11-dev sudo apt-get -y install libxinerama-dev sudo apt-get -y install libxrandr-dev sudo apt-get -y install libxcursor-dev sudo apt-get -y install mesa-common-dev sudo apt-get -y install libasound2-dev su…

[PluginPenguin]

What a great idea

Compiling it myself pointed me to every missing dependency. I had to install the following ones:

yum install libX11-devel
yum install libXext-devel
yum install libXinerama-devel
yum install libXrandr-devel
yum install libXcursor-devel
yum install libcurl-devel
yum install freetype-devel

The compiled version now starts without problems. Now how should I handle this version? At the moment it is located in the extras/Projucer/Builds/LinuxMakefile/build folder. Should I move it to the top JUCE folder where the crashing version is located and replace the old Version with the new one or should I just leave it in that folder?

[t0m]

You can place the compiled executable wherever you want. When you create projects with the Projucer it doesn’t matter where the Projucer was launched from. I would just delete the old one and use the new one instead.

Now that things are working I would also suggest doing

CONFIG=Release make

which will compile the release version of the Projucer, which will run much faster.

[PluginPenguin]

Okay, answered the question of where to place the new built version by just trying to replace the old version with the new one. It was successful.

Now another question remains:
On OS X I’m used to have the button “Save Project and Open in IDE” and then Xcode pops up with the project. Am I right that there is no such thing with Code::Blocks on Linux (which is installed on my machine) as there are no such Buttons in my Linux Projucer Window? Or do I need to configure a link to the IDE somewhere?

[t0m]

If you’re going to be using Code::Blocks I would recommend that you clone JUCE from Github, https://github.com/julianstorer/JUCE, and use the “develop” branch (rather than “master”). We’ve recently made a few fixes to the Code::Blocks exporter which are only available here.

You’re correct that there is no way to automatically launch Code::Blocks - there are just too many different variants on Linux to get this to work reliably in all cases. However, if you have Code::Blocks open and you resave your project in the Projucer then Code::Blocks will prompt you to reload and you’ll see your changes.