Using vcpkg on Windows 11, I installed GSL (GNU Scientific Library) with vcpkg install gsl. Then I did set INCLUDE=E:\<mypath>\vcpkg\installed\x64-windows\include;%INCLUDE% set LIB=E:\<mypath&...

I am currently working with a project that generates its compiler- and linkerflags by reading a configuration file. The resulting linker-flags of interest are: -Wl,--defsym=__MPLAB_BUILD=1${...

If I go to the "Project settings/configuration properties/C/C++/Command line" menu in the Visual Studio 2022 editor, how can I edit the compiler flags? I would like to remove one. I also ...

I've cross-compiled a small "hello world" app for my cortex-a72 CPU using -finstrument-functions flag (for debugging) in such way : "aarch64-linux-gnu-g++ -o0 -finstrument-functions ...

The following code gives drastically different results when compiling with any optimization flags vs without: #include <iostream> #include <cstdint> // trailing zero count for __uint128_t ...

Suppose I have a CMake project which produces a CPU-intensive application. When I build binaries for execution on a given machine, or for performance benchmarking, I would like them to be maximally, ...

Compiling this C program with gcc 11.4.0 and -Werror=traditional-conversion raises an error: short int f(short int x); short int f(short int x) { return x; } int main(void) { short int a = 0;...

I'm trying to train a pymc model (version 4.4.0) on a Mac. My model is fairly complex and it seems like the current level of complexity is causing the compiler some issues because I'm getting this ...

I pass compiler flags by setting CMAKE_CXX_FLAGS via command line as: $ CC=my_llvm/clang CC=my_llvm/clang++ \ cmake -DCMAKE_AR=my_llvm/llvm-ar -DCMAKE_LD=my_llvm/lld \ -DCMAKE_CXX_FLAGS=--target=...

I have a class that varies according to a compilation flag. I would like to instantiate both the versions of the class in the same scope. my_class.h #ifndef MY_CLASS_H #define MY_CLASS_H #ifdef ...

I have the following code: #include <iostream> char add(char a, int b) { return a + b; } int main(void) { long long a = 100000000; long long b = 20; int x = add(a, b); ...

GCC offers a number of options related to instruction scheduling in the compiler flags. An overview of what this means is on the GCC Wiki for "Instruction Scheduling", but this is well out ...

I am writing a CXX+CUDA project, and I'm compiling using nvcc, with CXX compiler of icpc. I want to add different compilation flags for icpc for different files. In CXX standalone this is possible ...

CMake has a set of variables named CMAKE_<LANG>_FLAGS (CMAKE_CXX_FLAGS, CMAKE_Fortran_FLAGS etc.) which are used when building command-lines for compiling targets with the compilers for those ...

I am making a game in c++ with sdl2, and I am currently compiling the program with g++ using the following flags: DEBUG_FLAGS = -g -Og -DDEBUG RELEASE_FLAGS = -O3 -DNDEBUG -mwindows -s I want the ...