C, C# and C++ Development

Write toolchain-agnostic RPM spec files for GCC and Clang

The redhat-rpm-config %toolchain macro makes it easier to build packages with Clang instead of GCC. Get tips for supporting both toolchains in your builds.

Use source-level annotations to help GCC detect buffer overflows

Explore three source-level annotations that you can use to help detect out-of-bounds accesses across function call boundaries in GCC 11.

Debugging on Valgrind: Adding fused-multiply-add support for the AArch64 processor

Discover how developers added fused-multiply-add support for the AArch64 processor, then learn how to use Valgrind's --trace-flags option to find out what Valgrind is doing in your application.

Red Hat Software Collections 3.7 and Red Hat Developer Toolset 10.1 now generally available

Discover what's new in Red Hat Software Collections 3.7 and Developer Toolset 10.1, including PostgreSQL, Ruby, MariaDB, and Java Mission Control enhancements.

Receive Side Scaling (RSS) with eBPF and CPUMAP

Modern device drivers on servers need to exploit available CPUs to keep up with network traffic. Learn how using XDP and CPUMAP redirect boosts performance.

Mostly harmless: An account of pseudo-normal floating point numbers

Pseudo-normal numbers represent a gap in floating point number classification in the long double format on Intel x86. Find out how glibc and GCC address it.