Arch programs from repos and multithread support

Support of how many CPU cores/threads maintainers compile programs with? Programs which are available from Arch repositories.

Mr. Alex wrote:
graysky wrote:The programs don't have specific support AFAIK
https://wiki.archlinux.org/index.php/Makepkg
The MAKEFLAGS option can be used to specify additional options for make. Users with multi-core/multi-processor systems can specify the number of jobs to run simultaneously. Generally -j2, plus 1 for each additional core/processor is an adequate choice. Optimizing for multiple cores can sometimes increase compiling performance, shortening compile times. However, be warned that occasionally using anything but the default can cause compilation problems, though many have agreed that -j3 is fairly safe to use for the majority of packages.
This only affects how many threads that make will spawn. It's compile time only and won't change the behaviour of the resulting binary one bit.
A single threaded app will always be single threaded, even if your compile forked off 30 threads when it compiled it.
Last edited by Mr.Elendig (2010-12-20 16:16:00)

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