C++ is a general-purpose programming language.

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c++ compiler errors using make across multiple projects

I'm trying to install an LC3 assembler for school. I run the config script and type make and a several weird compiler errors pop up. I tried this building simpl and just now lc3db Here's output (the ...
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36 views

No SDLIMAGE found while running ./configure file

recently i installed libsdl1.2-dev to install a game, after installing it in system. I run ./configure file and I am getting new error checking for sdl-config... /usr/bin/sdl-config checking for SDL ...
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2answers
505 views

How to install Extreme tux Racer

I have extracted down Extreme tux racer in my home folder, after extracting it in same folder, i run commands- ~/game/autorun.sh ~/game/./configure then following commands run- checking for a ...
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243 views

HelloWorld doesn't work in Eclipse

I just installed both eclipse and eclipse-cdt and tested it with "HelloWorld" in C++ perspective. It reported "cout wasn't declared in this scope". Then I used a texteditor to write exactly the same ...
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0answers
109 views

C/C++ Query EDID at boot time

I'm looking for a way to query EDID data at boot time on my Android system. I think I can use ioctl calls and I see that the frame buffers are at /sys/class/graphics/fb*. But currently I'm just ...
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1answer
40 views

Cannot install g++ 4.8 on OpenVZ

I have everything set, but doing apt-get install g++4.8 gives me the following java (!?!?!?) related error. Setting up ca-certificates-java (20110426ubuntu0.10.04.2) ... Error occurred during ...
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1answer
291 views

How do you use Q_INVOKABLE to access c++ functions in QML?

I am looking for the most simple and straightforward example. For my part; .h public: KTerminalDisplay(QQuickItem *parent = 0); ~KTerminalDisplay(); Q_INVOKABLE void setFontStyle(QString & s); ...
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0answers
379 views

Code Blocks dialog when build: “It seems that this file has not been built yet”

I have a problem when I use Code Blocks to program C++ on Ubuntu, when I press run, a dialog appeared: "It seems that this file has not been built yet" with three option: No, Cancel or Yes. If I ...
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1answer
134 views

How to use GDB to trace C++ library?

Recently, I want to use GDB to debug my C++ program. But I find when I use CTRL+X+A to see the source code of my program, it cannot show the library code of C++. For example, when I want to trace ...
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1answer
157 views

how to install downloaded g++4.8 deb archive in ubuntu 14.04 lts?

I have installed Ubuntu 14.04 LTS. The g++ compiler is missing in it. So, I downloaded g++ 4.8 deb archive. But I am not able to install it. ehn I open the package, ubuntu software center opens up and ...
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1answer
32 views

Can I remove cpp from Ubuntu without causing any issues?

I have a C++ compiler installed on a Ubuntu server I am using as a LAMP stack. Will it cause issues for me to remove C++?
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1answer
285 views

Skipping incompatible error when compiling mysql library using arm-linux-gnueabihf

All problems posted related to mysql library use standard gcc compiler. However, I need to compile a project running on a beaglebone black device. Hence, I am using arm-linux-gnueabihf-gcc instead of ...
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60 views

building problem with boost after upgrading ubuntu

I have a code that i can build and everything was working until I decide to upgrade my version of ubuntu for the 14.04 one. Now I have this kind of error messages : ...
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1answer
209 views

Separate terminal windows for input and output streams

How do I use different xterm or terminal windows for input and output streams while programming in C++ such that I enter input in one terminal window and get output in another window?
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0answers
80 views

c++ debug jump back netbeans and eclipse

All the latest netbean ide and eclipse ide for c++ open some project and then rebuild and debug, it will somehow jump back to somewhere when I press step over,like this (from 44 to 40): Can ...
2
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1answer
525 views

clang++ fails to compile simple hello world c++ program

After upgrade to 14.04 from 12.04 clang++ stopped working. $ cat test.cpp #include <iostream> int main() { std::cout << "Hello World" << std::endl; return 0; } $ ...
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1answer
187 views

How do I create simplistic window-like elements in a command-line program?

When I execute sudo dpkg-reconfigure lightdm in the terminal I see a simplistic window-like listmenu. Is there an way to make something like that in C++? This looks something like:
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66 views

Developing 32 bit application and using it in 64 bit Ubuntu 14.04

I would like to develop 32 bit c++ applications on an Ubuntu 14.04, 64 bit machine and use it on both 32 bit and 64 bit machines. One of the main difficulties I face is that I use some library which ...
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3answers
3k views

How can I know that I have g++ installed in my ubuntu? [duplicate]

I have recently installed ubuntu 14.04 . I tried to run a c++ code by a command like this: g++ first.cpp -o first Then it said: The program 'g++' is currently not installed. You can install it by ...
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52 views

How to connect a Button to FileDialog function in ubuntu sdk?

I've just started to deploy my first application for Ubuntu using QtCreator 3.1.1 based on Qt5.2.1 on Ubuntu 14.10.. I need to open some video files, so I'm going to put a Button to choose file ...
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1answer
1k views

How do you get C++ to compile from Code::BLocks? (Beginner to Linux)

So I just recently installed Linux after using Windows for my whole life. I also just installed the C++ IDE named code::blocks using the following command in the terminal: sudo apt-get install ...
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60 views

C++ mounting samba share with glibmm

I'm trying to mount samba shared folders with C++. I found that with glibmm library I can do that, but I can't find any examples or tutorials. Somebody could post some example code? Thanks.
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45 views

Qt-> how to set ALT key active

Can someone please explain how to set the Alt key as active permanently? I'm trying to make an application for Ubuntu and I need to make it active. I want to add it to the code below in the if ...
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1answer
919 views

Codeblocks set up?

Hi I am looking to set up code blocks IDE to dev C++. I have installed it and used it to do a first hello world app. I tried to compile and run but it has a debugger and what appears to a link ...
2
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0answers
139 views

lock/unlock events for in C++ app which should not depend on screen savers

We have a product, which was developed for Windows. Because of customer request we are developing it for Linux also. So being a beginner to Linux, have migrated most of it (which I loved it). Now got ...
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0answers
375 views

How to create an Ubuntu Touch app with a C++ backend and a QML interface [closed]

I'm looking forward to the release of Ubuntu Touch and thought it would be nice to contribute a small and free app that I'm also using now on my Android phone. The free and open source app for ...
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1answer
480 views

Communication between JS and C++ process on Ubuntu platform [closed]

We develop board on Ubuntu platform using Ubuntu SDK which contains 2 parts - 2 differrent processes: 1. GUI 2. Business Logic - implemented as C++ process There should be a bidirectional ...
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37 views

Prolog-C++ inteface doesnt work

I want to use prolog in C++ as a knowledge base or logical service(Embedded prolog in C++). I've searched alot but found nothing which can help me. I also checked the official link: ...
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3answers
3k views

Eigen installation seemed to work, but I still can't make eigen work

I am trying to install eigen, but I don't seem to get it to work. I did: sudo apt-get install libeigen3-dev and everything seems fine, after dpkg -p libeigen3-dev I get: Package: libeigen3-dev ...
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2answers
263 views

read from text file in qml qt/quick

I have a program to preview images that store every image's path (all images are in my computer) in text file. first i open text file and read line by line images paths and store to a list then i ...
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1answer
377 views

Read lines from a text file in QML Qt/Quick

I need open a text file and read it's contents line by line and store each lines in a string list in qt quick 2.2. Can every one help me?
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120 views

Modifying default KawigiEdit C++ template in Ubuntu 12.10 LTS

I am trying to edit default c++ template of KawigiEdit plugin, but after I configure and save the modified template as default template, there is no effect. Has anyone modified KawigiEdit's default ...
2
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1answer
4k views

Cannot find boost-thread-mt library

I am compiling a program which requires boost-thread-mt library. I have installed libboost-all-dev using sudo apt-get install libboost-all-dev but compiler says that it cannot find boost-thread-mt ...
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1answer
438 views

emit signal with custom type objects array parameter from c++ and receive in qml

I would like to emit a signal from a Qt C++ class which includes a parameter that is an array of custom objects (inherited from QObject) and receive the parameter in its qml slot, but i'm afraid it is ...
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1answer
216 views

Random number generation

I have generated random numbers in turbo C++ ( DOS) by using random command. Again, I have generated random number in ubuntu C++ by using srand and rand commands. Both the random generations are not ...
0
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1answer
708 views

CrossCompiling with libboost for ARM architecture

I am using a 32 Bit Ubuntu system and my goal is to compile my C++ program for arm architecture (beagleblack). However, my C++ program needs libboost meaning I get errors like this while compiling: ...
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195 views

Get keyboard input without requiring root and without x11

I'm trying to capture keyboard input in a C/C++ program without requiring root privileges and without the use of X11 XNextEvent(). I've tried to open the device directly, but for obvious security ...
2
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1answer
202 views

C++ system() function for further arguments in ubuntu

I didn't really know how to even look for the solution for this one. My problem is, how to execute system commands in c++ using function system(); but for more arguments(Come on it sounds awful). Let ...
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1answer
155 views

Ubuntu SDK: QML with C++ recommended App Design Methodology

Are there documented general guidelines for mixing QML with C++ for ubuntu apps? "QML for UI design and C++ for logic" seems to be the trend. Is this the right way forward?
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1answer
1k views

Issues with importing existing source C++ code in Eclipse CDT

I have cloned an emulator's source code from git, and would like to work on it on Eclipse CDT on my Ubuntu 12.04. I have tried different ways, such as creating a hello world project, and simply ...
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2answers
268 views

How do I compile a C++ program I made in vim?

Whenever I type in g++ toe.ccp this comes up: /usr/bin/ld:toe.ccp: file format not recognized; treating as linker script /usr/bin/ld:toe.ccp:1: syntax error collect2: ld returned 1 exit status
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0answers
901 views

Cmake fails while configuring OpenCV

I'm trying to buid OpenCV and use it in Qt. I have installed all required packages for OpenCV and Qt, after that I tried too run cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ...
2
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1answer
1k views

Unmet dependencies for libstdc++

When i type: sudo apt-get install libstdc++ i got: The following packages have unmet dependencies: libstdc++-4.8-doc : Conflicts: libstdc++6-4.4-doc but 4.4.7-8ubuntu1 is to be installed ...
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2answers
3k views

Are there drivers for OpenGL 4.3 for [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] (Ubuntu 14.04)

I want to be able to do opengl4.3 c/c++ programming, the [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] should be able to support it, I just don't know what drivers I have to install Also I have ...
3
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3answers
622 views

Unmet dependencies libc++ [duplicate]

How should I correctly install clang's c++ library (with STL) on my lubuntu machine? I want to use clang and its c++ library because it offers better support for the upcoming c++14 standard. When ...
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106 views

Why is gdb progfile producing a segmentation fault? [closed]

I have a g++ project and would like to debug it using gdb. Opening gdb with the program as an argument produces the following output: Reading symbols from <my_app_name>...Segmentation fault ...
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58 views

Qml HUD integration without MainView?

I'm working on an app with Qt Quick Components, I don't want to use any Ubuntu specific components because I want the desktop version of my app to be more portable than that (Qt 5.2 is enough of a ...
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65 views

'__FDELT' and '__FDMASK' not declared in this scope (posix_types.h not included)

I'm running Ubuntu 12.04 LTS, 64bit version. I'm getting the following error when compiling a C++ program: ../elements/userlevel/socket.cc:477: error: '__FDELT' was not declared in this scope ...
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1answer
390 views

How to set /usr/bin/i586-mingw32msvc-g++ to gww?

I use cross compiling for C++ using MinGW... I use /usr/bin/i586-mingw32msvc-g++ filename.cpp to compile, but I want to be able to type gww filename.cpp I think I need to set a PATH ...
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1answer
395 views

OpenGL in Ubuntu [closed]

I'm new to ubuntu. I'm using openGL in visual studio 2010 in windows platform using c++ language. Now I'm migrate to ubuntu 12.04. Can I do the same on ubuntu? If yes. what is the way I have to do.. ( ...