GCC 12 Adds Support For Using The Mold Linker
Released last week was Mold 1.0 as a high-speed linker that can deliver better performance than GNU's old Gold linker and even LLVM's LLD. Mold was designed by Rui Ueyama who originally working on LLVM's linker. With Mold 1.0, Rui feels that the linker is now production-ready and has been delivering mighty impressive performance results:
Mold's insane performance is attributed to faster algorithms and efficient data structures compared to the other common linkers. Mold is available on GitHub for those interested in the linker itself.
With this commit using the Mold linker is supported alongside the Gold, BDF, and LLD linkers. The -fuse-ld=mold is introduced for GCC 12 if preferring to use the Modern Linker (Mold) in place of the default linker.
SUSE's Martin Liška who wrote up this Mold linker support patch justified the addition as "The mold linker is getting quite popular and I think we should support it."
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