![]() ![]() A number of common questions about software collections are also answered. If you want your default gcc to always be GCC 7, or you want clang to always be in your path, this article shows how to permanently enable a software collection by adding it to the profile (dot files) for your user account. The May 2018 update included Clang/LLVM 5 and GCC 7.3, as well as Go and Rust. These compilers are available as software collections that are typically updated twice a year. You can easily install the latest-supported Clang and GCC compilers for C, C++, Objective-C, and FORTRAN using yum on Red Hat Enterprise Linux. The newer compilers have better optimizations and code generation. If you are developing with C/C++, Clang tools and newer versions of GCC can be quite helpful for checking your code and giving you better warnings and error messages to help avoid bugs. A newer version of this article is available: How to install GCC 8 and Clang/LLVM 6 on Red Hat Enterprise Linux 7.
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