Questions tagged [g++]
G++ is the C++ front-end of the Gnu Compiler Collection (GCC)
322
questions
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1
answer
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How to install `g++12` on Ubuntu 20.04.6?
How can I install g++12 on Ubuntu 20.04.6?
I tried a few ways on google but none seems to work.
0
votes
0
answers
137
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unable to compile anything after installing cpr library #
sudo g++ -o /usr/local/bin/t1 '/home/ubuntu/Desktop/test1.cpp'
I am encountering an error while attempting to compile any cpp file, regardless of which one it is. The error message reads:
"as: ...
2
votes
0
answers
178
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Is there any way to ensure that few symbols of static library get definitely loaded into .so file?
We have a huge amount of cpp files and taking a piece of code where we need some clarification regarding that. As we have cpp files we compile those into multiple static libraries and those result ...
0
votes
2
answers
2k
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g++ -- Undefined Reference to main in 86_64-linux-gnu/Scrt1.o:
I am trying to compile a simple C++ Hello World program to test my environment, however, whenever I try, I get this Error:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/Scrt1....
0
votes
1
answer
584
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How to make g++ use the C++20 language standard when compiling from code-blocks in Ubuntu 22.04
Just started learning c++ and it is recommended to compile code using the c++20 standard and use code::blocks as the editor.
I checked the man pages of g++ and it is using c++17. I am using code::...
-1
votes
1
answer
34
views
Why does c++ app launched from the Netbeans use Netbeans install dir?
When I run a simple application that uses a library, Ogre3D in my case, from NetBeans, it breaks with the following message:
Error occurred during execution: InternalErrorException:
Could not load ...
0
votes
0
answers
216
views
Binary files not being generated
When I try to compile a c, c++, or fortran code no binaries are generated and no errors are thrown by the compilers neither. This seems to be independent of the compiler. For example, below I try to ...
0
votes
1
answer
332
views
"make" command not working
I'm currently trying to install graphics.h to do C programming, but I've been having a problem that I've been unable to solve so far.
Every tutorial explaining the process is the exact same, and they ...
0
votes
0
answers
43
views
Errors when installing g++
I honestly have no idea what I'm doing here. I'm trying to install g++ so I can run c++ code and its not working at all.
Here are the errors I'm getting:
0
votes
0
answers
396
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Broken compiler: fatal error: _mingw.h: No such file or directory
I have broken my compilation and not sure if it is possible to fix it without reinstalling everything from scratch.
I cannot compile the simplest program:
#include "math.h"
int main()
{
...
0
votes
0
answers
24
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I encountered these problems when I went into the manually built kernel in grub for Ubuntu 23.04 Server
List item
BUG: KCSAN: data-race in __hrtimer_run_queues / hrtimer_active
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BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
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BUG: KCSAN: data-race in ...
0
votes
0
answers
50
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Trying to compile with make but missing functions like offsetof
So im trying to create an SRT server to test things out with livestreams etc and i found srt-live-server and cloned that from github. I already installed SRT and compiled and make'd installed that. ...
0
votes
0
answers
596
views
Problem in installing GCC (G++) 5 in ubuntu 22.04
I needed gcc 5 on my ubuntu 22.04. I tried using "sudo apt-get install gcc-5 g++-5" but this output is coming:
sudo apt-get install gcc-5 g++5
Reading package lists... Done
Building ...
0
votes
0
answers
78
views
sudo apt-get install g++ FAILS ... don't know what to do [duplicate]
I'm trying to install the g++ compiler on Ubuntu 22.04.1 LTS, and I get the following:
$ sudo apt-get install g++
Reading package lists... Done
Building dependency tree... Done
Reading state ...
0
votes
0
answers
435
views
trying to install gcc and g++ on ubuntu 22.04.2 is failing due to 404 not found
trying to install gcc and g++ on ubuntu 22.04.2 is failing due to 404 not found from http://archive.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_5.15.0-25.25_amd64.deb
Please help
0
votes
0
answers
227
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gnome-terminal and zenity will not install
I was tasked to update an nvidia jetson nano from Ubuntu 18 to 20.04. I followed this (https://qengineering.eu/install-ubuntu-20.04-on-jetson-nano.html) guide step by step, but while I was following ...
0
votes
0
answers
359
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No rule to make target '/usr/include/c++/8/x86_64-redhat-linux/bits/c++config.h (after installing g++-8 on ubuntu 20.04)
On my ubuntu 20.4 machine, to try building a Makefile based program, I tried 'make' but found it needs g++-8. So I added 'universe' repository following this and installed g++8 by
sudo apt install gcc-...
0
votes
0
answers
19
views
using g++ compiler
I have this simple program named Conversion.cc on my Desktop &.show below
//
// Conversion - Program to convert temperature from
// Celsius into Fahrenheit:
// Fahrenheit = ...
4
votes
1
answer
5k
views
Need gcc and g++ 4.8 in Ubuntu 22.04.1
I am currently in Ubuntu 22.04.1 version, but I use a software which strictly needs gcc 4.8 (as per installation guide). How can I install it?
sudo apt-get install g++-4.8
Reading package lists... ...
1
vote
0
answers
777
views
gdb Installation Error -- libc6-dev
UPDATE: I have re-installed (3 times) Ubuntu, and performed sudo apt policy libc6 libc6-dev with this output:
libc6:
Installed: 2.35-0ubuntu3.1
Candidate: 2.35-0ubuntu3.1
Version table:
*** 2....
0
votes
1
answer
1k
views
Unable to install gcc-8 g++-8 in Ubuntu 20.04
I am trying to install gcc-8 g++-8 on my Ubunutu 20.04 but I cannot as shown below. Any advice?
sudo apt install gcc-8 g++-8
Reading package lists... Done
Building dependency tree
Reading state ...
0
votes
0
answers
162
views
G++ Causing Struct Redefinition Errors in "type_traits.h" and Other Include Files
I have "been tasked" with trying to build old software (VERY old software, in fact, not compiled since 2014) on our newer platform, specifically using g++ 9.4.0 in Ubuntu 20.04. While doing ...
0
votes
1
answer
938
views
collect2: fatal error: cannot find ‘ld’ compilation terminated
I accidently overwrote the ld file in /usr/bin. I then removed the file and reinstalled binutils. Now I get the error in the title when I try to compile a C++ file with g++.
The ld file is present in ...
1
vote
0
answers
63
views
Is g++11 slower than g++9?
Recently I have upgraded my Ubuntu 20.04 to 22.04 and ran into some problems. I have noticed g++11 in my computer compiles codes so slowly, even for simple codes, while g++9 in Ubuntu 20.04 had a much ...
1
vote
0
answers
5k
views
How to Add a New Path to pkg-config?
I've just start using GNU make because of a software package I'm trying to install. The tutorial is really good, but for some reason I'm not able to do it properly. I downloaded the files, extracted ...
1
vote
2
answers
2k
views
How to solve "Package 'g++-8' has no installation candidate" error on Ubuntu 22.04?
I am using the gcc/g++ compilers as a part of the OpenFace installation process on my Ubuntu 22.04 based system. While downloading and installing the gcc, it automatically downloads the latest g++-11 ...
5
votes
3
answers
18k
views
How to install clang-14 on Ubuntu 18.04?
Can you help me install clang-14 on Ubuntu 18.04? I think I need a valid repo as apt-get install clang-14 does not work.
$ cat /etc/issue
Ubuntu 18.04 LTS \n \l
$ sudo apt-get update
Hit:1 http://...
1
vote
0
answers
428
views
/usr/bin/ld: cannot find -lopenblas collect2: error: ld returned 1 exit status
I am trying to compile a C++ program that uses Armadillo C++ library for linear algebra & scientific computing. When I give command :
g++ gen_data.cpp -o test -DARMA_DONT_USE_WRAPPER -lopenblas -...
0
votes
0
answers
2k
views
How to downgrade to GCC v.7 (Ubuntu 22.04 LTS)?
I was using g++ v11 and got a compiler error (" *internal compiler error: in expand... ") which as far as I read was introduced in version 8 of g++.
So I tried to downgrade to g++ v7 just to ...
1
vote
1
answer
1k
views
g++ can't find -ludev, but libudev.so is there
I'm getting an error I can't understand.
I'm playing with a new package that runs some hardware over a USB port.
So I try to compile one of their simple example programs:
$ make example1
mkdir -p ./...
0
votes
0
answers
24
views
How to update GCC to 11.2 [duplicate]
Today I installed Ubuntu 20.04 (first time using Linux) and I'm having trouble with updating GCC to 11.2 (latest stable version). I checked another question and tried it but after updating it, it's ...
0
votes
2
answers
4k
views
Errors and issues when install G++ on Ubuntu
Trying to install g++ when I run into this error:
$ sudo apt-get install g++
[sudo] password for eisha:
Reading package lists... Done
Building dependency tree
Reading state information... Done
...
2
votes
0
answers
233
views
problem with making a c++ project with G++
I am trying to build cascade library using G++ 8.3.0. In the documentation they mention that it was tested on G++ 4.7.2. My question is, is it necessary to downgrade to 4.7.2? if so could you please ...
4
votes
2
answers
13k
views
I am using ubuntu 20.04 LTS trying to get from GCC 9.4 to gcc 10 or higher
sudo apt-get install gcc-10 g++-10:
Reading package lists... Done
Building dependency tree
Reading state information... Done
g++-10 is already the newest version (10.3.0-1ubuntu1~20.04).
gcc-10 ...
0
votes
0
answers
27
views
How do I make g++ 10 my default c++ compiler [duplicate]
I am using 20.04 and I have g++ 10 installed, but when I use g++ --version it says 9.3. Also, I can't use any c++ 20 in my code in either IDE I use. Please let me know how I make g++ 10 the default. ...
0
votes
0
answers
638
views
'cc1obj': execvp: No such file
I'm trying to install cider by using the command
pip3 install cider
but got
x86_64-linux-gnu-gcc: error trying to exec 'cc1obj': execvp: No such file or directory
what should I check ? or install ?...
4
votes
1
answer
345
views
Set parameters for Ubuntu's alias
I have an example command as follows:
g++ main.cpp -o main -lopencv_core -lopencv_highgui -lopencv_imgproc -lopencv_imgcodecs -I/usr/local/include/opencv4
Running the entire above command will create ...
3
votes
1
answer
4k
views
How to install g++-5 on Ubuntu 20.04?
I am trying to compile some source which was written for g++-5. I want to be able to install g++-5 on my Ubuntu 20.04. How can I do this?
I was hoping that sudo apt install g++-5 would work. But it ...
0
votes
1
answer
12k
views
C++ Undefined reference to a function
I am using ubuntu 16.04 When I try to compile the program with
g++ -g main.cpp -o main
This is my g++ version
g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software ...
0
votes
1
answer
512
views
Problems when installing g++
I want to install g++ in my Ubuntu 20.04 by typing in the terminal sudo apt-get install g++ but it tells me this:
Some packages cannot be installed.
This can mean that an impossible situation was ...
0
votes
3
answers
5k
views
C compiler cannot create executables Ubuntu 16.04 gcc v9.3.0
I am trying to run the ./configure command for the cmph_2.0 library I downloaded. The gcc and g++ versions are 9.3.0 and I am using Ubuntu 16.04. However, I am getting the below error:
This file ...
1
vote
1
answer
9k
views
Error: Unable to locate package gcc-10 while updating GCC and G++
Hi i am trying to update gcc and g++ on my Ubuntu 18.04. I currently have version 7.5 of both gcc and g++. I found this article where it is written that we can install a gcc and g++ version via a ...
0
votes
1
answer
66
views
How to compile multiple all testbench components of Systemc
I have been trying to simulate all my testbench components of hierarchiral full adder systemc program. Previously, to simulate a simple systemc filenamed(hello_world.cpp) I have used:
$ g++ -g -Wall -...
0
votes
0
answers
179
views
Cmake build from source gives problems on make (probably c++14 standard not used)
I just updated my Cmake to the version 3.19 (previously 3.10) from sources. For this I now have two cmake versions the one from before in /usr/bin/cmake and the new one in /usr/local/bin/cmake which ...
3
votes
1
answer
592
views
How to install github.com/ioi/isolate on Ubuntu
I recently tried to make a C++ judge and heard about a tool called "Isolate" (available here):
Run program within a sandbox, so that it cannot communicate with the outside world and its ...
0
votes
0
answers
205
views
How to use gcc -7 if a have build essential installed (ubuntu 16.04)
I'm on Ubuntu 16.04 and installed build-essential because I need gfortran, gcc, g++. I'm trying to run Nek5000 but I get an error with makenek:
gcc: error: unrecognized command line option ‘-fno-plt’
...
1
vote
1
answer
6k
views
gcc/g++ 10 is installed but I can not use it on Ubuntu 20.04.2 LTS [duplicate]
I used the information here How to install g++ 10 on Ubuntu 18.04? to install gcc/g++ 10 on Ubuntu 20 and when I try to do it again:
sudo apt install g++-10
Reading package lists... Done
Building ...
1
vote
0
answers
4k
views
gcc: error trying to exec 'cc1plus': execvp: No such file or directory
i am trying to run the ovs faucet tutorial. One of steps is to compile the faucet container package. I am getting the following error when I tried to run it
gcc: error trying to exec 'cc1plus': execvp:...
1
vote
1
answer
2k
views
C++ not able to install 32-bit gcc-9/g++-9-multilib on Ubuntu 18.04
I have multiple version of c++ compilers installed on my laptop. I am trying to build my code using g++-9.3 with a 32-bit compiler. So I tried to install the multilib by using
sudo apt-get install gcc-...
0
votes
0
answers
65
views
error in installing g++ in ubuntu [duplicate]
i've been traying to install g++ in my VMware ubuntu but i couldn't, i tried two different commands but still it's saying that there is an error, could you please help me with it.
when i type sudo apt ...