Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker … Read more
g++
LD_LIBRARY_PATH vs LIBRARY_PATH
I’m building a simple C++ program and I want to temporarily substitute a system supplied shared library with a more recent version of … Read more
How to see which flags -march=native will activate?
I’m compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I’m using -march=native, which in theory should add … Read more
How do I install g++ for Fedora?
How do I install g++ for Fedora Linux? I have been searching the dnf command to install g++ but didn’t find anything. How … Read more
Undefined reference to static class member
Can anyone explain why following code won’t compile? At least on g++ 4.2.4. And more interesting, why it will compile when I cast … Read more
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, … Read more
Disable all gcc warnings
I’m working on a project that will read compiler error messages of a particular variety and do useful things with them. The sample … Read more
How to make a variadic macro (variable number of arguments)
I want to write a macro in C that accepts any number of parameters, not a specific number example: #define macro( X ) … Read more
g++ undefined reference to typeinfo
I just ran across the following error (and found the solution online, but it’s not present in Stack Overflow): (.gnu.linkonce.[stuff]): undefined reference to … Read more
gcc warning” ‘will be initialized after’
I am getting a lot of these warnings from 3rd party code that I cannot modify. Is there a way to disable this … Read more