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I am trying to run NVCC to compile a CUDA program on my Mac.
When I try to run NVCC, I am receiving the following error: "nvcc fatal : The version ('70300') of the host compiler ('Apple clang') is not supported".
I recently updated my XCode version to 7.3, and my Mac to 10.11.4.
Is there any way to revert my Clang Version?
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Select the Configuration Properties > General property page. Modify the Platform Toolset property to LLVM (clang-cl), if it isn't already set. Select the Configuration Properties > Advanced property page. Modify the LLVM Toolset Version property to your preferred version, and then choose OK to save your changes.
C++20 implementation statusClang has support for some of the features of the ISO C++ 2020 standard. You can use Clang in C++20 mode with the -std=c++20 option (use -std=c++2a in Clang 9 and earlier).
Also, you will have more than one clang to choose from using. If your mac use separated command-line tools , then, that " Apple LLVM version 9.1. 0 (clang-902.0. 39.1) " ONLY express your installed Xcode 9.3/9.3.
sudo xcode-select --switch /Library/Developer/CommandLineTools clang --version
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I just had the same issue after upgrading to XCode 7.3 on 10.11. Reinstalling the previous (7.2) command line tools didn't downgrade the default clang compiler. To fix this I used a previous XCode.app package to rename and copy the XcodeDefault.xctoolchain directory into the Toolchains director in the current /Applications/Xcode.app. You have to right click on Xcode.app to "Show package contents" then browse to the Toolchains dir.
Then (re)start Xcode, hit command-, for preferences, then go to locations. You will see the dropdown for Command Line Tools. Change this to the version of the toolchain you copied over.
You can check the default version of clang in Terminal:
clang -v OR llvm-gcc -v Now nvcc should work
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