Florian Weimer


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Why glibc 2.34 removed libpthread

Consolidation of libraries in the GNU C library means more error-free builds, but there are consequences for developers and system administrators.

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Building Red Hat Enterprise Linux 9 for the x86-64-v2 microarchitecture level

Find out why Red Hat recommends building Red Hat Enterprise Linux 9 for x86-64-v2 and what you can expect from this new, optional microarchitecture level.

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Guidelines for instruction encoding in the NOP space

Instructions in the NOP space are an attractive way to provide new performance and security features; we show how to use them effectively.

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How C array sizes become part of the binary interface of a library

We explain how C array sizes become part of the binary interface of a library and examine ways to avoid ABI compatibility issues.

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How Red Hat developers can create handy shortcuts with Firefox keyword bookmarks

Keyword bookmarks turn the Firefox URL bar into a mini-command line, giving you direct access to bug reports, CVEs, RFCs, or anything with an ID and a URL.

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Recommended compiler and linker flags for GCC

This article walks through a list of recommended build flags for when you compile your C or C++ programs with GCC. Do you know which build flags you need to specify in order to obtain the same level of security hardening that GNU/Linux distributions such as Fedora and Red Hat Enterprise Linux use?