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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3
votes
1answer
37 views

OpenMP unable to use multiple threads, no error associated with compilation

I am using openMP for my lab assignments and everything worked fine few weeks ago, but now it runs only on one thread, I've read and I guess that this is due to conflict between packages. This is the ...
0
votes
1answer
15 views

cannot execute filename.o file in cygwin with gcc

I have a build shell script that reads as follows, #!/bin/sh gcc -o posture.exe main.c posture_algorithm.c Then I run the following command to set permission, chmod 755 posture_algo.o followed ...
0
votes
2answers
33 views

gcc complier does not work [on hold]

I am trying to run a C-library which works fine on one of my Linux-Mint computer while not on other linux-mint. When I try to configure, I get the following message: dkumar@kumar-Aspire-E1-510 ...
0
votes
2answers
31 views

How to install GCC without internet connection and what do I have to keep in mind when installing GCC?

I have 2 operating systems on my pc: windows 8.1 and Ubuntu. Windows 8.1 has internet connection, but Ubuntu does not. Is there a way I can download GCC for Ubuntu on my drive and then transfer and ...
0
votes
0answers
21 views

How to add libxml2 to a Makefile?

While compiling a C++ tool called BioC I encountered a problem with the libxml header. In my attempt to solve it I downloaded libxml2-2.9.2 and compiled it in '/usr/local/lib/'. Then I studied the ...
0
votes
1answer
69 views

Error installing pygame: “error: command 'x86_64-linux-gnu-gcc' failed with exit status 1” [on hold]

So I've tried pretty much all the answers to similar questions I've been able to find, but I still haven't found a working solution. The complete info I get is: ...
-1
votes
1answer
89 views

/bin/bash: g++: command not found error 127

I was trying to install a software quicknet from a tar.gz file. After using ./configure when i tried using make it showed the following erroe g++ -I. -I. -c QN_args.cc /bin/bash: g++: command not ...
0
votes
1answer
26 views

How can I get the default gcc compiler back?

I can't compile ("make") anything at the moment. It all ends with the following: as: unrecognized option '--64' So I searched for the cause and found that gcc -version gave me this: gcc (GCC) ...
0
votes
1answer
29 views

Problem linking against pcap.h

I am trying to compile ethping Here is the command that gets issued via make: gcc -Wall -Werror -ggdb -g -O2 -lpcap -o ethping ethping.o ieee8021ag.o dot1ag_eth.o I now get this error message: ...
1
vote
0answers
65 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 ...
0
votes
5answers
57 views

How to figure out whether a package is already installed?

I installed Ubuntu 14.04.1 as a guest on a windows host. Before installing GCC, I need to make sure that the following packages are installed: GMP, MPFR and MPC I checked the Ubuntu package site ...
-1
votes
1answer
31 views

“Command not found” after running a file compiled on the same directory [duplicate]

I don't know what is going on... d@d-SVF15A17CDB:~/University/CSC209/a1$ gcc -o remvocals remvocals.c d@d-SVF15A17CDB:~/University/CSC209/a1$ dir remvocals remvocals.c ...
0
votes
1answer
21 views

Can't install oracle java and gcc-4.9:i386 on 64bit OS

I have installed oracle jdk7 from the WebUpd8team PPA and it's working just fine, now I want to run a 32bit game (Dwarf fortress with dfhack, for those who know it) and that requires gcc-4.9:i386 ...
0
votes
0answers
24 views

makefile: how to perform “ranlib” operation correctly

I downloaded a third party lib( Library link) which installs and compiles properly. It creates multiple object file (*.o), rather than creating executable, it's using gnu libtool to do some scripting. ...
0
votes
1answer
65 views

How to install library that uses g77

I am trying to install "TAUCS" (http://www.tau.ac.il/~stoledo/taucs/) library. However, I am getting following error: /usr/bin/ld: skipping incompatible external/lib/linux/libmetis.a when searching ...
0
votes
0answers
70 views

Code::Blocks cannot detect the gcc and g++ compilers version 4.8 [closed]

I installed Code::Blocks 13.12 in my Ubuntu 14.04 and I installed gcc & g++ 4.8 by the terminal. But when I create a C++ console application and try to compile it, it gives me the following ...
2
votes
1answer
810 views

GLIBCXX_3.4.20 not found, how to fix this error?

Whey I try to run the program Layout Editor (available on this site) on Ubuntu 14.04.1 64-bit LTS I get the following output in the terminal: $ layout layout: ...
0
votes
0answers
20 views

I am trying to compile WRF, while checking System Environment Tests am getting error as shown below

I have Created a new, clean directory called Build_WRF, and another one called TESTS (placed Fortran and C Tests Tar File inside TESTS). SUCESSFULLY completed 3 TEST. In the 4th TEST -- Fortran ...
1
vote
1answer
90 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: ...
0
votes
1answer
20 views

What is wrong with my executable compiled with GCC? [duplicate]

This is my source file, base.c ... #include "/usr/include/stdio.h" int main( int argc, char *argv[] ) { sprintf("%s\n", "woohoo"); return(0); } I compile and execute with ... ...
0
votes
0answers
56 views

Switching from GCC to Clang to compile with OpenCV

I have been compiling code that uses OpenCV by using a CMake project with the following flags in GCC: -Wall -Werror -std=c++14 And it compiled every time. No problems anywhere. When I switch to ...
2
votes
1answer
204 views

unable to install gcc-multilib after upgrading to 14.04

I recently upgraded from 12.04 to 14.04. After upgrading things started to break. I am getting crt1.o: No such file: No such file or directory. So, I tried to install gcc-multilib, but, that is also ...
0
votes
0answers
103 views

NVIDIA driver installation failed due to gcc version

I am trying to install the latest NVIDIA driver in Ubuntu 12.04 using the downloaded .run file but the installation failed. Below is the suspected point of failure. -> Performing CC sanity check ...
0
votes
1answer
45 views

Error running make - array type has incomplete element type

I am trying to install libbow library. When i run make file the following error is generated gcc -c -Ibow -I. -I./argp -DHAVE_LIBNSL=1 -DHAVE_STRERROR=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_RANDOM=1 ...
0
votes
0answers
30 views

reinstall libgcc1 to get gcc 4.9

I want to go from gcc 4.8 to 4.9. I had already some 4.9 stuff flying around (gcc-4.9-base, lib32gcc1 and libgcc1(. My (bad) plan was to uninstall them and then get them again with gcc 4.9. ...
0
votes
0answers
38 views

more than one version of gcc installed

When I enter clang++ -v it outputs Ubuntu clang version 3.5.0-4ubuntu1~xedgers14.04.1 (tags/RELEASE_350/final) (based on LLVM 3.5.0) [...] Found candidate GCC installation: ...
2
votes
1answer
220 views

python 2.7.9 backport to trusty (14.04)

I try to backport Python 2.7.9 from vivid to trusty but when launchpad build this pakage there is an build error. I create my backport : backportpackage -d trusty -u ppa:splanquart/python ...
0
votes
1answer
21 views

GnuCOBOL not generating dynamic link library ELF references

Now GnuCOBOL, the Ubuntu package is open-cobol. As of Ubuntu 14.04? the compiler fails to link in dynamic library references for dlopen to use at run-time. No trace of the library in ldd from gcc -l ...
2
votes
1answer
71 views

compiling g++ programs

I have the gcc installed. I can compile C programs. But I cannot compile C++ programs. If I write g++ on comd line, it says program not installed. I tried sudo apt-get install g++ It gives me a very ...
0
votes
1answer
95 views

Using mysql in C programming [closed]

I installed ubuntu on a virtual machine.There,I installed mysql server(sudo apt-get install mysql-server) .This worked, because I could acces mysql-u root -p password. After that,I did : sudo apt-get ...
-1
votes
1answer
30 views

Install Flex without removing other packeges?

I tried to install ettercap tool but it stops with error "configure: error: flex was not found, please install" so i tried to install flex using $sudo apt-get install flex command but it reports to ...
0
votes
1answer
111 views

Ubuntu freezes in recursion g++

Im using Ubuntu 14.04 and gcc version 4.8.2. Sometimes when I run some C++ code which has some bugs, for example Runtime Error, it goes to a deep recursion (I suppose...) and all my computer freezes. ...
0
votes
0answers
74 views

g++ and gcc do not work in ubuntu 14.04

After last sudo atp-get upgrade my gcc and g++ don't work and I'm trying to install g++ in my ubuntu 14.04 and I have this error: g++: gcc: What is the problem? sudo apt-get install -f
1
vote
1answer
67 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 ...
0
votes
0answers
64 views

Convert a c file to coff file for nachos

I am new in ubuntu. I am working on nachos and I want to compile a c file in order to convert to .coff format. So I have downloaded mips-x86 linux-gcc and I have extracted both nachos and this ...
0
votes
1answer
240 views

Unable to run g++ after upgrading to Ubuntu 14.10

I did the update from Ubuntu 14.04 to Ubuntu 14.10 yesterday. Today I tried to run g++-4.8 as I normally do, but I have the following error: make: g++-4.8: Command not found I have the same error ...
0
votes
1answer
35 views

Which compiler i have to use to understand C behaviour exact behaviour

I am confused regarding with the c compilers. as per my knowledge for a programmer the code is not important but the internal behaviour is very important.cause if we know how the compiler behaves for ...
0
votes
0answers
317 views

Can't compile C++ in Code::Blocks

I have some trouble with compiling c++ code from **Code::Blocks* IDE on Ubuntu. When I save the code as a .cpp data and click on Run under Build it says: "Target uses an invalid compiler; run ...
0
votes
2answers
961 views

No such file or directory #include <string> [closed]

I wrote the program kai.c and now am trying to compile it with gcc kai.c -o kai, which returns: kai.c:5:18: fatal error: string: No such file or directory #include <string> ^ ...
3
votes
1answer
146 views

Where is `__FLT_MAX__` constant defined on Ubuntu?

I am learning C programming using gcc compiler under Ubuntu 14.04 (64bits). As a practice, I am trying to locate the definitions of size limits of multiple C data types. I have easily located ...
0
votes
0answers
292 views

Problem with mex even after installing matlab support

I've looked everywhere for a solution to this but people seem to have no problem with mex and matlab if they install the matlab-support. I however just cannot get this to work. So here is what I did: ...
0
votes
0answers
47 views

how to make gcc search for headers in all subdirectories?

I'm new to Linux so please excuse me for my noobish question. I've installed libraries (PCL) which save their headers under usr/include as it should be. However, the problem is that an example of the ...
1
vote
0answers
117 views

How to compile Saurik's ldid on Ubuntu?

I am trying to install Theos on my Ubuntu and I am stuck on step which is supposed to install ldid: git clone git://git.saurik.com/ldid.git cd ldid git submodule update --init ./make.sh When I ...
1
vote
1answer
366 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 ...
0
votes
1answer
96 views

FT_Read is not working properly [closed]

I am writing code for serial programming for serial communication between FTDI device and Desktop through XBEE. I am writing command on device for (in example) reading Battery Voltage Current and ...
0
votes
0answers
50 views

How to link to 32-bit SCTP package on a Lucid 64-bit machine?

I am running Ubuntu Lucid 10.04.4 LTS 64-bit. I need to build a 3rd party 32-bit program. The build of this program is failing: gcc-4.4 -m32 <snip> /usr/lib/libsctp.so.1: could not read ...
0
votes
0answers
13 views

How to remove older versions of gcc and use the latest 4.8 on Ubuntu 12.04? [duplicate]

I have gcc 4.6,4.7 and 4.8 installed. But running gcc uses gcc 4.6 or calling gcc --version return 4.6.2. How can I change it to run gcc 4.8 by default by either removing or not removing the older ...
0
votes
0answers
53 views

Installing input-wacom drivers gives error at ./compile on my Gateway M275E penabled laptop

sam@sam-M275:~/input-wacom-0.23.0$ ./configure && make && make install checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is ...
1
vote
1answer
145 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 ...
0
votes
1answer
266 views

Problem compiling JOS - undefined reference to `__udivdi3' and `__umoddi3'

I'm taking a class on operating systems this semester and have ran into a problem while setting everything up. I cloned the git repository for the JOS operating system and would like to try to ...