Carlos O'Donell
GNU C Library Maintainer
Glibc
GNU Toolchain
Biography
Carlos O’Donell has been a maintainer of the GNU C Library (glibc) since 2012. As one of the core maintainers, he plays a crucial role in ensuring that the foundation of nearly every Linux system remains stable, secure, and performant.
Daily Work
- Reviewing and merging patches from contributors worldwide
- Triaging and addressing security vulnerabilities
- Coordinating releases and maintaining backwards compatibility
- Mentoring new contributors and growing the community
- Working with hardware vendors on architecture support
Challenges
“Maintaining glibc is like maintaining the foundation of a skyscraper while people are living in it. Every change must be absolutely safe, yet we must keep evolving to support new hardware and security needs.”
Impact
The GNU C Library is used by virtually every Linux application. Carlos’s work directly impacts billions of devices, from smartphones to supercomputers, ensuring they run reliably every day.