To test for a feature, cppreference mentions these feature test macros: link. If the feature is present in the compiler, the macro is defined. But I don't unde
I am trying to use a grsecurity gcc plugin that I found on their unofficial linux kernel source tree (the respectre_plugin/ one). My GCC version is 4.7, I modif
When trying to compile OpenACC code with GCC-9.3.0 (g++) configured with --enable-languages=c,c++,lto --disable-multilib the following code does not use multipl
In C or C++, if the compiler encounters a for loop in which a counter is counting from 0 to n, and n is a variable (not a function call, and NOT A CONSTANT eith
On Ubuntu 22.04 LTS, I'm cross-compiling for raspberry pi. When I run any built executable on the pi, I get this linking error: /lib/arm-linux-gnueabihf/libc.so
I have the following C++ code in a file called helloworld.cpp: #include<iostream> int main() { std::cout << "Hello, World!\n"; } I would like
I noticed that all the mathematical constants are declared as double, which leads to conversion problems on some platforms where no double precision units exist
I need someone to outline how to pass command line arguments to CLion. What I've found so far hasn't worked for me. Specifically I need to know how to pass mult
In x86-64 target Debian, most of the programs are link against shared objects with the /lib64/ld-linux-x86-64.so.2. And there is also one in /lib/x86_64-linux-g
I am trying to define a union struct with some struct and primitive members overlapping in memory with a simple array. This works perfectly in Clang and MSVC, b
I'm trying to compile this simple GMP program on Cygwin: #include <gmp.h> int main(){ mpz_t i; mpz_init(i); } This is the command: gcc -lgmp t
So, I just installed Eclipse for C/C++ and whenever I make a new project, I get two errors saying that the programs g++ and gcc are not in my PATH. All of the a
I am having immense difficulty trying to use std::string. The program compiles absolutely fine, but when I run the program, I receive this error: error I have
I am running my program on linux server and it was compiling and running fine then i made another directory and tried to compile it in that directory and it w
I'm new in C and have some problems compiling my code in OS X. I code Java a lot both in Eclipse and use terminal to compile my code. However now I'm learning
The gcc (or g++) compiler has a -std option to specify the language standard to use for compiling C or C++. At the top level one can see that this option exists
A linux build of any flutter application with linux enabled, results in the following error: flutter run -d linux Launching lib/main.dart on Linux in debug mode
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other h
Is there a way to get gcc to output the available -march=arch options? I'm getting build errors (tried -march=x86_64) and I don't know what my options are. The
Note: I know that reading an uninitialized string is undefined behaviour. This question is specifically about the GCC implementation. I am using GCC version 6.2