The GNU Compiler Collection is the standard compiler system used on many Unix-like operating systems, including Linux. Originally meant for compiling C programs, it can now also handle C++, Java and several other languages.

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Ada Compilation problem

hello I am using ubuntu 14.04 LTS and I am using Code::blocks for writing c program as well as Ada program. C is compiling and running fine when I am using the command "gcc -o test test.c" but when I ...
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2answers
588 views

gcc compiler in ubuntu

I created a simple C program which prints "Hello world" as output and saved it as test.c. Compiled it in terminal as gcc -o test test.c & run it as ./test but the there is no output showing. If ...
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1answer
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how to run a C file and various files associated with that(makefile, .h ,.c)?

I have to make a C program to solve hungarian method for Assignment problem. So I downloaded a reference from web ,having (makefile,test.c,hungarian.c,hangarian.h,readme ,) ,, Now I successfully run ...
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0answers
8k views

Downgrade gcc from 4.8 to 4.7 [duplicate]

I have downloaded the latest version of ubuntu Desktop 14.04.1 LTS. The gcc version is gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2. I would like to change it to the 4.7.2 20130108 [gcc-4_7-branch revision ...
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1answer
844 views

font configuration warning [duplicate]

when I was doing c program in Ubuntu 12.04 , there is a font configuration warning shown by terminal. What should I do? shayna@shayna-Vostro-3446:~$ gedit hello6.c Fontconfig warning: "/etc/fonts/...
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1answer
491 views

GCC Compiled program not running in a new Window

What i am Doing? I have created a simple c Program that runs and executes a system Command the code is as follows #include <stdio.h> #include <stdlib.h> #include <string.h> #...
3
votes
1answer
795 views

Upgrade to gcc-4.9 broke clang++

Recently I have upgraded to gcc-4.9 but it totally broke my clang++ and I am unable to compile anything. Error I am getting: In file included from src/tester.cpp:11: In file included from /usr/...
3
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1answer
19k views

-std=c++11 not recognized on gcc 4.8.1

I just followed an answer to this question to update my gcc version to 4.8. 1 on Ubuntu 12.04, which I thought would support C++11. However it does not seem to. When I try to compile something with -...
0
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1answer
3k views

How to install gcc-4.6 (4.6.3-1ubuntu5) Source Package

I have recently started working on ubuntu and I have been facing a lot of difficulties installing programs in it. I don't know how I managed to install NetBeans and JAVA JDK and JRE. Unfortunately the ...
1
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1answer
363 views

gcc doesn´t work

I have a problem with GCC I try to compile Wine 1.7.26. When I use the ./configure command I get an error: C compiler cannot create executables See `config.log' for more details This file contains ...
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3answers
343 views

Problem installing gcc compiler [closed]

I tried to install gcc compiler because I want to learn programming I have an old computer 1gb ram so I installed an older version of Ubuntu (10.04) and its working faster than before but when I try ...
0
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1answer
9k views

when building u-boot /bin/bash: arm-none-linux-gnueabi-gcc: command not found

I am currently running Ubuntu 12.0.4 on a 64 bit machine. I have an AM335X development board. Along with the kit came the compressed kernel (linux 3,2), rootfs, u-boot, and ARM cross compiler (arm-...
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1answer
2k views

No package 'ncurses' found [duplicate]

I'm trying to install XWiimote and they tell me to run ./autogen.sh in the installation notes . This is the output: zorin@Samsung-NP300E4Z-S03TH:~/Downloads/xwiimote-master$ ./autogen.shlibtoolize: ...
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1answer
985 views

Problem installing g++ ccompiler on Ubuntu 14.04

I tried to install g++ using packages from another user. offline..but there were errors. After connecting to the net I tried to install using sudo apt-get install g++, but it gave the following output:...
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2answers
2k views

what is exactly object file and how to open it

g++ myCppFile -o myOut I do not know about compiling procedure. But all I want to know is what is the type of myOut? It is not text. It is not like configuration file. So what is it ? And how to ...
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0answers
2k views

How to install old version of gcc on Ubuntu 14.04

I need to install gcc 3.0 on Ubuntu 14.04. I tried to compile sources but it throws error. Is possible to install gcc 3.0 from repository? How to do that? This does not work for me. apt-get update ...
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2answers
4k views

C/C++ Compiler for Ubuntu like Dev-C++ [duplicate]

Need a good c/c++ compiler for Ubuntu. I like coding or programming. I used Dev-C++ on Windows. Is there any good compilers like Dev-C++? I tried code::blocks ide but it seems a little buggy for me.
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1answer
38k views

How to install clang++?

I'm having trouble getting clang++ to work as I compile my code. Specifically, I'm getting a make: clang++: Command not found error. I've run sudo apt-get install llvm, and also sudo apt-get install ...
0
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1answer
701 views

using system(“clear”); command to clean the screen yet last line printed. using GNU gcc compiler please help

I am using 'system("clear");' command to clean the output screen yet the last line printed is displayed.I am using Geany text editor using GNU gcc compiler.Please help and tell me clear the whole ...
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0answers
518 views

Why can I compile against libclang-3.5.so and not against libclang.so?

I am trying to compile a C source file, that needs to be linked against a dynamic library I installed through apt-get (libclang.so). apt-get installed the clang shared libraries in /usr/lib/x86_64-...
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1answer
1k views

How to install gmp 4.3.2 on ubuntu 14.04

I want to install gcc-4.4.3,for which I have to install gmp 4.3.2. When I run: ./configure make I get this error. Can you help me? make all-recursive make[1]: Entering directory `/home/abc/...
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1answer
2k views

Should `arm-none-eabi-gcc` include a `stdio.h`?

I'm trying to build a simple example from the SDK for the TI CC3200 (Cortex M4), but when I try to compile it complains about stdio.h. make CC ../main.c ../main.c:45:19: fatal error: stdio.h: No ...
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3answers
1k views

I am not able to compile a simple program using gcc

Wrongly I have install ia32-libs but my host system is 64 bit. Now whenever i try to compile c file i get a message as: unrecognized option '--64' I have uninstall th ia32-libs but I am getting ...
3
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3answers
5k views

What version of GCC is used by the make command? [closed]

Is there any way to know what version of gcc is used by the make command? I have 5 versions installed of gcc on my computer: by dpkg -l | grep gcc ii gcc ...
2
votes
1answer
2k views

cannot compile gcc or g++ libc_nonshared.a not recognized

I cannot compile C/C++ files anymore since using a new account (I think it was since then anyway) and I'm getting a strange error every time I try to compile: ~$ g++ hello.cpp /usr/lib/x86_64-linux-...
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1answer
2k views

C compiler cannot create executables

Everything was right. I have installed gdb from github and installed in /usr/local/bin. After that i removed default gdb(/usr/bin) using the following command sudo apt-get remove gdb Now, when try ...
0
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2answers
124 views

how to know which version of the compiler used to install a program from source among all versions of the that compiler

I installed a program via source code . To do that I downloaded a gcc and g++ appropriate for that. I use this command in order to install that $ export CC=gcc-?? CXX=g++-?? && ./install ?...
2
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0answers
216 views

unable to compile program using -m32 and gcc

I have installed multi2sim on my 64-bit Ubuntu machine. Both gcc 4.8 and 4.8.1 is installed in my system. Even after setting and exporting the LD_LIBRARY_PATH AND LD_INCLUDE_PATH, and installing the ...
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0answers
18 views

Modify Ubuntu toolchain

In version 11.10 the flag "--as-needed" became default in the Ubuntu toolchain. Due to many problems I have with undefined symbols at runtime I don't want to change all the makefiles anymore. I want ...
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1answer
1k views

How to install libmudflap in 64-bit 14.04 “Trusty”

I wish to demonstrate mudflap working on this program, int main() { int tab[10]; int i; for (i = 1; i <= 10; i++) tab[i] = 0; return 0; } but I get an error, $ gcc -fmudflap -...
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1answer
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How to install an 'ansi c' compiler ? ? ? ( how can I extend GCC G++ with ANSI C )?

To explain the problem (try two): I can't install the lua compiler (lua dot org) with the newest version of Ubuntu, quote out of the manual to install lua: Installing Lua Lua is distributed in ...
1
vote
1answer
7k views

cannot install lxml in virtualenv (python)

I cannot install lxml. In system i have python-lxml package, but i need other... Please help, if you can - my task is install lxml for development in virtual enviroment using virtualenv. I found this ...
1
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1answer
812 views

OpenMP activation on geany

I am new to parallel programing and C, and was wondering how to active openMP on geany or another C program on linux? It is a simple hello world i am trying to make: #include <stdio.h> #...
1
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1answer
478 views

GCC related issue(Need to install latest version of GCC 4.9.0)

I am using Ubuntu 14.04 LTS. I want to install latest version of GCC 4.9.0. Is it possible to uninstall default GCC compiler prepacked with OS? In this link, I read that uninstalling the default ...
1
vote
1answer
634 views

Lubuntu - compiling vlc v.1 command make and make install not working

Good day everybody! So, this is my first topic on Ubuntu's forum, and as a perfect Linux beginner and a non-English speaking student, I'll try to do my best to be the most explicit as I can. So here'...
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2answers
65 views

ELF shared libraries

I have a question about using libraries on Linux. Lets say I have a program called MYPROG and two libraries LIBABC.SO and LIBXYZ.SO. MYPROG loads the module LIBABC.SO with "dlopen RTLD_NOW". "dlopen" ...
0
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1answer
2k views

GCC 4.8.1 to GCC 4.6.3

i am using ubuntu 12.04. Initially ubuntu 12.04 have gcc 4.6.3 with it. I upgraded it to 4.8.1. But now one of my application that was working fine with 4.6.3 are not working with 4.8.1. I want to ...
0
votes
1answer
144 views

makeMKV setup error

When I run sudo bash configure (./configure doesn't work), I get this: checking whether we are cross compiling... configure: error: in /media/pitaj/Shared/Documents/makeMKV/makemkv-oss': ...
0
votes
2answers
60 views

Downgrade to GCC < v3.0

For specific reasons I have to downgrade my GCC to version 2.x using apt-get (not downloading and compiling the source) Is that possible? If yes, how can I find the repository address and install it ...
0
votes
1answer
9k views

How to install gcc-4.7-arm-linux-gnueabihf on Ubuntu 12.04?

I want to install gcc-4.7-arm-linux-gnueabihf or greater on Ubuntu 12.04, any suggestion? The default one is gcc-4.6-arm-linux-gnueabihf.
0
votes
1answer
15k views

How to enable c99 and c11 on gcc?

When I compile the following code it gives compilation error that error: ‘for’ loop initial declarations are only allowed in C99 mode for(int i = 0; i < 5; i++) and to compile your code use ...
39
votes
3answers
101k views

How do I use the latest GCC on Ubuntu?

I want to compile my program with the latest version of gcc. Ubuntu 14.04 comes with gcc 4.8.2, however there's 4.9.0 available, moreover, I see that it is available as a package: gcc-4.9. I tried to ...
6
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0answers
525 views

bfd.h should include libiberty/ansidecl.h in Ubuntu 14.04?

binutils package seems to be changed, as include directory of libiberty.h has moved to /usr/include/libiberty, thus there is possible a wrong include in bfd.h regarding ansidecl.h. Getting those ...
2
votes
1answer
547 views

Compile error when trying to run make

I have the following error when trying to run make command, /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../libcppunit.a when searching for -lcppunit /usr/bin/ld: ...
13
votes
1answer
7k views

gcc won't link with -m32

Trying to compile even the simplest (int main(){}) program with -m32 on a 64-bit system fails: $ gcc -m32 test.c /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.8/libgcc.a when ...
2
votes
1answer
19k views

How to install gcc 4.9 on Ubuntu 14.04? [duplicate]

Now that gcc 4.9 is officially released, is there an easy and convenient way to install it on Ubuntu 14.04 through the package manager (ie. apt-get)? I would also appreciate information on how to ...
0
votes
1answer
287 views

Install something without make install [closed]

I have been struggling for few days trying to install a software. I'm not actually working on Ubuntu but I think the steps to do are the same. Working on a gentoo (The operating system of the Robot ...
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4answers
15k views

How do you fix a gcc compile 127 error? sudo apt-get install g++ doesn't work

*emphasized text*when I try to run a program I get the following error. ubuntu@ubuntu-VirtualBox:~/Desktop$ make g++ -Wall -Wno-switch -I. -g -c -o pass.o pass.cpp make: g++: Command not found make:...
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0answers
276 views

How do I set gcc 4.8 to be the default gcc?

I'm trying to update to gcc 4.8.2. I have Ubuntu 12.04. after this if I type gcc -v it says gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) Next I typed sudo add-apt-repository ppa:ubuntu-...
2
votes
1answer
86 views

how to create a ppa .dep that depends on non-default GCC?

I want to create a .dep package in my PPA. That project however requires a recent GCC 4.8 or Clang 3.4+. I found out, that you can add custom PPA dependencies, so I added ubuntu-toolchain-r/test to ...