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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How do I run g++-4.5?

I've installed g++-4.5 via apt, and there exists a /usr/bin/g++-4.5. However, when I try and run g++-4.5, I get this error message: /usr/bin/g++-4.5: not found (hardened-c++ could not find target) ...
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x86_64-w64-mingw32-g++: cannot execute binary file: Exec format error

I have 64bit ubuntu virtual machine and a 64bit binary still getting the Exec format error. $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 ...
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281 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 ...
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3k views

How to build GUI application in C language using GTK+?

I have written code in C language using GTK. This code gives a window with 2 buttons, but I do not know how to make the standalone GUI application from this code. Please explain to me step by step ...
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567 views

Is it possible to let gcc 4.7 and gcc 4.8 co-exist in Ubuntu 13.10

I have some development work, it seems that GCC 4.8 will not work well with other development tools, so I may have to stick with GCC 4.7, but I am not sure if this is allowed in Ubuntu 13.10(64bit). ...
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540 views

Generating a hex file(new to ubuntu)

How am I supposed to compile/generate a .hex file (object code) of a c program using a gcc compiler?. Will the procedure be the same for a different gcc compiler compatible with a different processor? ...
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3k views

How can i downgrade GCC 4.7.2?

i want to downgrade GCC and G++ 4.7.2 to some older versions, 4.0 perhaps. Any assistance? I'm using Lubuntu ATM.
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1answer
1k views

Make gcc coloring the default

Is there a way to automatically make gcc color its output? I am looking to avoid an alias as the the command is commonly used in makefiles (where it will not be used). Is there an easy way to do ...
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1answer
93 views

What gcc version do I need?

I have installed ns-2.28 on ubuntu 12.04. My kernel version is 3.2.0-29-generic-pae. What gcc version matches my ns-2.28 & 3.2.0-29-generic-pae?
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gcc and g++ are installed but ubuntu says they are not installed

I have installed g++ and gcc from repository on ubuntu 12.04 ad you can see that they are indeed installed mahmood@pc:~$ dpkg -l | grep gcc ii gcc-4.4 4.4.7-1ubuntu2 ...
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205 views

Restoring gcc and g++ flags

I've recently done something really stupid: I wanted to configure NetCDF libraries using the Intel Fortran compiler and, therefore, I was following instructions for that kind of procedure. ...
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445 views

C programming on Ubuntu

I have problems related to C programming on Ubuntu 12.04. While compiling C program consisting pow I faced difficulties. Then I searched the Internet and got the solution with -lm. But that's the ...
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3k views

How to link with libcurl on Pangolin

Since Pangolin, I can't manage to link any program with libcurl, even the example provided with libcurl themselves. I have installed libcurl: sudo apt-get install libcurl4-gnutls-dev Then as the ...
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1answer
254 views

How to install 64-bit libraries on 32-bit system?

I need to cross-compile for 64-bit architecture on a 32-bit platform (using gcc-multilib and -m64 flag). For this I need to install 64-bit versions of the dependent libraries. How do I do that?
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3answers
2k views

How can I upgrade sqlite3 to at least 3.4.2 (or newer)?

When I try to run sudo apt-cache showpkg sqlite3, I only get the version 3.4.2. I need later than that to compile the sqlite3-ruby gem, and I can't make from source files (even with a ./configure ...
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1answer
532 views

GCC headers on Ubuntu

I was wondering, if there was a go to place to look for c headers, and how to get them on Ubuntu, often times a quick Google search gets me the apt-get package. I was wondering if it possible look up ...
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5k views

Is itoa() available in stdlib.h in Gcc >=4.1?

that's my question. I've Gcc 4.4.1 and that function isn’t present, i had installed the 4.3 and 4.5 versions with the same result :-/ I know that this function is not the C-ANSI standard, but I ...
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1answer
29 views

How to install MIRACL c++ library in Ubuntu 14.04?

I'm trying to install the library from the link https://certivox.org/display/EXT/2.+Installation . But when I try the command: gcc –I. –c –O2 mr*.c I get error saying : gcc: error: /I.: No such ...
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86 views

Build Celestia on Ubuntu 14.04

I'd like to build Celestia-1.6.1 on my Ubuntu 14.04 machine however, it seems that I can't do that easily with the gcc version 4.9.1. I'm using source files from ...
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216 views

Update GCC compiler in Ubuntu 14.04 to 4.9 [duplicate]

Can I upgrade my GCC compiler now in Ubuntu 14.04? Has the final usable version (4.9) been released?
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3answers
147 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 ...
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1answer
145 views

Use gcc-4.6-arm-linux-gnueabihf to compile .c file, What is the command?

I am doing cross compiling. I install the gcc-4.6-arm-linux-gnueabihf and want to use it to compile the .c file(example of hello world) and then run it on ARM. I don't know what is the exact command. ...
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1k views

How do I use the GTK+ development libraries in Ubuntu?

I've been programming for about a year and a half on Windows and I've just started getting used to the way things work on that platform, but now I'm interested in development on Linux and I've been ...
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3answers
199 views

Why am I getting these undefined errors when I compile a C++ program in terminal?

I have a C++ program that compiles and runs perfectly in Code Blocks. However when I try to compile it from the terminal using: gcc -g main.cpp -o Main I get a lot of undefined references: And ...
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1k views

CPUMiner won't compile

I am trying to compile a CPUMiner program, but get errors which I don't know what to do about. I am compiling as said here: http://www.return1.at/bitcoin-miner-ubuntu/ The error is: checking build ...
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1answer
122 views

Different versions of libstdc++6 on 12.04

After upgrading Server 10.04 to 12.04, I was receiving errors related to lgcc_s while trying to compile with g++ and gcc. There are several versions of libgcc_s installed in ...
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2k views

problem installing an older version of gcc

problem installing an older version of gcc Hi, I'm new to ubuntu:) I'm trying to compile a program in Matlab using mex (Matlab), but I'm getting an error that I'm using gcc version 4.6.3 and the ...
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75 views

Make works fine, but the result does not run. What now?

I am trying to run https://github.com/seanpringle/simpleswitcher on my ubuntu 12.04 I downloaded it and compiled it. However, when I run I get *** glibc detected *** ./simpleswitcher: free(): ...
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3k views

Problem with /usr/bin/ld: main.o: undefined reference to symbol 'exp@@GLIBC_2.2.5'

During installation Emerald in ubuntu 13.04 when I write "sudo make" I have problem: libtool: link: gcc -g -O2 -pthread -I/usr/include/libwnck-1.0 -I/usr/include/compiz -I/usr/include/gtk-2.0 ...
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2answers
192 views

gcc or cc no longer seems to work in 12.04 lts

I recently installed 12.04 LTS and I would like to compile short c programs. When I enter gcc or cc at the command promp to compile a simple test program "test.c"I get the following: test.c: In ...
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405 views

linking cpp object file to c object file and create executable

Suppose i have a c++ file, created an object file and c file created another object file. Now i need to link both into one executable. While i'm trying it is giving errors about c++ not found. Can ...
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5k views

How to cross-compile programs for the Raspberry Pi with gcc?

I am fond of using gcc to compile small little C and C++ programs on my main computer. However, I also have a Raspberry Pi, and, being a 700-MHz single-core computer, I would prefer to not have to do ...
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1answer
411 views

Differences in compiling between gcc 4.4 and gcc 4.6?

I just moved from RH (CentOS 6) with gcc 4.4.6 to Ubuntu 12 with gcc 4.6.3. I have a program that references a third party library. I have successfully build and installed the library on the Ubuntu ...
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1answer
4k views

Problems with libconfig PKG_CONFIG_PATH enviroment variable

I've coded a project with some files in C. To make it easy for the user to start the program I started to generate a cfg-file. For this reason I installed libconf. Unfortunately on compiling with a ...
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1answer
2k views

/bin/sh: 1: arm-linux-gnueabi-gcc: not found

I'm working on eclipse indigo on Ubuntu 12.04. And I'm trying to cross compile so I downloaded gcc-4.4-arm-linux-gnueabiarm-linux-gnueabi-4.4 and I changed the C/C++ Build setting and I added includes ...
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2answers
822 views

Why does “pkg-config” print only a blank space with the “--cflags” option?

I installed libcurl using :sudo apt-get install libcurl4-openssl-dev. When I try to compile my program I read that we have to pass where libcurl is located to the GCC compiler(although for me its ...
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1answer
4k views

How to install a specific gcc version?

I'd like to install an older version of gcc on my Ubuntu Lucid machine. Particularly, I am interested in 2.95.3 or 3.0.2. Is there any repository to download this package with the apt-get command?
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3answers
625 views

Is gcc portable between all 64 bit linux machines

I'm doing work remotely by connecting to a Linux terminal with ssh. The machine I'm connecting to is a 64 bit x86 Linux machine. My computer is also 64 bit Ubuntu machine with an x86 processor. I ...
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1answer
11k views

gcc-arm-linux-gnueabi package not found on 10.04 LTS (Lucid)

I am trying to install the gcc-arm-linux-gnueabi package, but this is the error I am getting: $ sudo apt-get install gcc-arm-linux-gnueabi Reading package lists... Done Building dependency tree ...
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2answers
1k views

Can't link against opengl anymore

After updating to 11.10 I can't link code against libgl/glut. freeglut3-dev etc. are installed and it looks like they can be found too. I'm really not sure what's going on. Makefile gltest: ...
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985 views

How to set the default gcc version for only one user

The question Choose gcc and g++ version answers how to do it, but I could not figure out, if it only affects me or also all the other users of the system as I have to use sudo. I share a server ...
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0answers
137 views

Undefined references to `_gfortran_runtime_error_at'

I use a model is written Fortran90 under Ubuntu 14.04. The gfortran 95 compiler (gfortran 4:4.8.2-1ubuntu6) and the gcc 4:4.8.2-1ubuntu6 is installed by Ubuntu Software Center. The installed gcc has ...
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1answer
138 views

Replace '0ubuntu1~12.04' packages with '16ubuntu6'

I recently upgraded my server from Ubuntu 12.04 to 14.10. I had installed GCC 4.9 (4.9.2 apparently) before the upgrade and today I wanted to install gcc-4.9-multilib, but apt-get gave me: ...
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1answer
535 views

Using gcc 3.4 on Ubuntu 14.04

By exactly following this post, I was able to install gcc 3.4 on a fresh install of Ubuntu 14.04. But, when I try to compile a program, it fails with the following error: /usr/bin/ld: cannot find ...
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1answer
193 views

Why can't I link this simple assembly language object file?

I am using Ubuntu 14.04 and Terminal. I am doing an assembly language exercise for a class. I wanted to try running this in terminal, but I am unable to link this file. [I think 'link' is the ...
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208 views

U-boot build fails - cannot find lgcc / libgcc.a

I am using Ubuntu 12.04 LTS 64 bit and trying to create a Linux Image for the SAMA5D36-EK. In doing so I need the mkimage command. According to website www.at91.com/linux4sam/bin/view/LinuxSAM/U-Boot ...
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170 views

OsmocomBB - compile error

I tried to install OsmocomBB on my Ubuntu, I've got gnu-arm-toolchain, but when I'm compiling there is an error: configure: error: in `/home/robert/OsmocomBB/osmocom-bb/src/shared/libosmocore/build- ...
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614 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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257 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 ...
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93 views

Change gcc output directory [closed]

How can the output of gcc be directed from default directory to an output directory? I created a source directory containing the source programs and an output directory to store the compiled ...