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1 answer
408 views

Installing gcc 4.7.2 in MacOS (Monterrey)

I am trying to install gcc 4.7.2 (I need this version in order to be able to compile an old code), but I can not seem to find a proper way to do it. It looks like the only available options is to do ...
Eideann's user avatar
-1 votes
1 answer
205 views

Conditional statements with braces versus without braces - which is fast in C, C++ [closed]

I know this is silly, but I'm quite curious to know that is there any speed difference using conditional statement (i.e. for, if, while, do while) in C++ with braces and without braces. FYI : I know ...
Deepam Gupta's user avatar
0 votes
1 answer
187 views

Charm4py/charm++, GCC error when installing

firstly I am going to explain the issue and at the bottom you'll find the question/-s. I'm trying to install charm4py using pip/pip3/apt (all of em), after 1.5 hours it fails and I notice it's charm++...
z0zz0's user avatar
  • 1
1 vote
1 answer
4k views

What exactly is g++?

There's one thing that I don't understand - and that is the question what is g++? I've searched for the wide web (in every way I've thought of, at least). No result yielded (the closest that I've ...
John Lee's user avatar
3 votes
2 answers
3k views

How do I compile FFMPEG & Libaom without PIE

I am trying to compile FFMPEG and Libaom from source apparently because the gcc and g++ compilers in Ubuntu 18.04 by default has enabled the following option by default: --enable-default-pie $ gcc -v ...
Georgi Stoyanov's user avatar
1 vote
1 answer
5k views

How do you change versions of gcc on windows?

I've been using g++ 4.8.1, mingw. Now, I've just updated to 6.3.0, however when I use g++ in command prompt it still seems to use the older version. How do you change between versions on windows?
Dave's user avatar
  • 141
0 votes
1 answer
209 views

Switch Server to use GCC version 4.8.1

I'm banging my head against a wall, I followed the instructions detailed here: https://superuser.com/a/677640 When I ran yum install devtoolset-2-gcc-4.8.1 devtoolset-2-gcc-c++-4.8.1 this was the ...
Austin Biggs's user avatar
2 votes
2 answers
20k views

How do I compile 64bit program with gcc/g++ on a 64bit Linux?

I'm using Ubuntu 10.04 LTS, and want to make a program to run on a large Debian server that has 300GB memory. With command: g++ Encoder.cpp -std=c++0x -m64 -o Encoder.o it returns something like ...
Mike Wong's user avatar
  • 131
8 votes
2 answers
26k views

Install GCC / G++ Version 4.9 in Linux Mint

I always like to have the latest version of things, particularly if that thing is gcc, g++ and there has recently been a revision to the c++ standard. I have forgotten what ppa's I need to add to my ...
user3728501's user avatar
  • 2,984
0 votes
1 answer
4k views

update gcc /g++ on CentOS 5.9

I would like to update gcc/g++ on my CentOS 5.9. The version I have is 4.1.2 : Would it be possible to update it to 4.4.7 like CentOS 6.4 WITHOUT updating the entire operating system? It looks to me ...
Abruzzo Forte e Gentile's user avatar
3 votes
1 answer
4k views

Installing a GCC/G++ for my mac OSX 10.8

My problem is simple, I would like to get the OSX/BSD version of the GCC and G++ compilers from the GNU.org website. However after some research (as described below) I learned that Apple uses LLVM ...
Ash's user avatar
  • 145
1 vote
2 answers
2k views

downgrade gcc/g++ after upgrading; compiler error

I just upgraded gcc/g++ from 4.4 to 4.8 (via this method How can I update gcc to the latest version in Ubuntu 10.04?). I realized that 4.8 is going to break a lot of my code and now I want to roll ...
tir38's user avatar
  • 2,751
2 votes
2 answers
8k views

alias gcc='gcc -fpermissive' or modifying ./configure script

I am compiling quite big project from source. The compilation always ends with: error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive] I have already compiled this project one year ...
robo's user avatar
  • 21
2 votes
2 answers
4k views

Add a permanent compiler option to g++

I am using a g++ 4.7 on Ubuntu 12.04 to compile my c++ code, and it won't be compiled unless an -std=gnu++11 option is added to my command like this: g++ -std=gnu++11 main.cpp Is there a way to add ...
milan-j's user avatar
  • 123
0 votes
1 answer
288 views

Unable to install software on Ubuntu 8.04

I have recently installed 8.04 Ubuntu onto an industrial board and applied the vendor kernel modifications to it. I need to develop applications on another desktop to run on this board in C++ but I am ...
mathematician1975's user avatar

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