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llvm

LLVM Compiler 2.0: Warning with “using namespace std;”

Have you included any standard header files? Otherwise the compiler doesn’t know about namespace std. Please post more code to clarify.

Categories C++ Tags c++, clang, llvm, namespaces, xcode

How do I compile C++ to JavaScript in a browser?

In theory, it may be possible to develop a self-hosting version of Emscripten that runs in a browser, though this hasn’t been done yet. Alternatively, it is possible to run a C++ compiler (or even an entire operating system) using an x86 emulator in JavaScript.

Categories C++ Tags c++, clang, emscripten, javascript, llvm

Enable OpenMP support in clang in Mac OS X (sierra & Mojave)

I am using Mac OS X Sierra, and I found that clang (LLVM version 8.1.0 (clang-802.0.38)) does not support OpenMP: when I run clang -fopenmp program_name.c, I got the following error: clang: error: unsupported option ‘-fopenmp’ It seems that clang does not support -fopenmp flag. I could not find any openmp library in homebrew. According … Read more

Categories macos Tags clang, llvm, macos, openmp

Enable OpenMP support in clang in Mac OS X (sierra & Mojave)

I am using Mac OS X Sierra, and I found that clang (LLVM version 8.1.0 (clang-802.0.38)) does not support OpenMP: when I run clang -fopenmp program_name.c, I got the following error: clang: error: unsupported option ‘-fopenmp’ It seems that clang does not support -fopenmp flag. I could not find any openmp library in homebrew. According … Read more

Categories macos Tags clang, llvm, macos, openmp

ld: symbol(s) not found for architecture x86_64 error

I am trying to follow http://gnuu.org/2009/09/18/writing-your-own-toy-compiler tutorial. I am getting the following error. What am I missing?

Categories C++ Tags bison, c++, c++11, llvm

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