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DEVELOPMENT(7) FreeBSD Miscellaneous Information Manual DEVELOPMENT(7) NAME development -- introduction to FreeBSD development process DESCRIPTION FreeBSD development is split into three major suprojects: doc, ports, and src. Doc is the documentation, such as the FreeBSD Handbook. To read more, see: https://docs.FreeBSD.org/en/books/fdp-primer/ Ports, described further in ports(7), are the way to build, package, and install third party software. To read more, see: https://docs.FreeBSD.org/en/books/porters-handbook/ The last one, src, revolves around the source code for the base system, consisting of the kernel, and the libraries and utilities commonly called the world. The Committer's Guide, describing topics relevant to all committers, can be found at: https://docs.freebsd.org/en/articles/committers-guide/ FreeBSD src development takes place in the project-hosted Git repository, located at: https://git.FreeBSD.org/src.git The push URL is: ssh://git@gitrepo.FreeBSD.org/src.git There is also a list of public, read-only Git mirrors at: https://docs.FreeBSD.org/en/books/handbook/mirrors/#external-mirrors The `main' Git branch represents CURRENT; all changes are first committed to CURRENT and then usually cherry-picked back to STABLE, which refers to Git branches such as `stable/13'. Every few years a new STABLE is branched from CURRENT, with an incremented major version number. Re- leases are then branched off STABLE and numbered with consecutive minor numbers. The layout of the source tree is described in its README.md file. Build instructions can be found in build(7) and release(7). Kernel programming interfaces (KPIs) are documented in section 9 manual pages; use `apropos -s 9 .' for a list. Regression test suite is described in tests(7). For coding conventions, see style(9). To ask questions regarding development, use the mailing lists, such as freebsd-arch@ and freebsd-hackers@: https://lists.FreeBSD.org To get your patches integrated into the main FreeBSD repository use Phabricator; it is a code review tool that allows other developers to re- view the changes, suggest improvements, and, eventually, allows them to pick up the change and commit it: https://reviews.FreeBSD.org To check the latest FreeBSD build and test status of CURRENT and STABLE branches, the continuous integration system is at: https://ci.FreeBSD.org EXAMPLES Check out the CURRENT branch, build it, and install, overwriting the cur- rent system: git clone https://git.FreeBSD.org/src.git src cd src make -sj8 buildworld buildkernel installkernel shutdown -r now After reboot: cd src make -j8 installworld reboot Rebuild and reinstall a single piece of userspace, in this case ls(1): cd src/bin/ls make clean all install Quickly rebuild and reinstall the kernel, only recompiling the files changed since last build; note that this will only work if the full ker- nel build has been completed in the past, not on a fresh source tree: cd src make -sj8 kernel KERNFAST=1 To rebuild parts of FreeBSD for another CPU architecture, first prepare your source tree by building the cross-toolchain: cd src make -sj8 toolchain TARGET_ARCH=aarch64 Afterwards, to build and install a single piece of userspace, use: cd src/bin/ls make buildenv TARGET_ARCH=aarch64 make clean all install DESTDIR=/clients/arm Likewise, to quickly rebuild and reinstall the kernel, use: cd src make buildenv TARGET_ARCH=aarch64 make -sj8 kernel KERNFAST=1 DESTDIR=/clients/arm SEE ALSO git(1), witness(4), build(7), hier(7), ports(7), release(7), tests(7), locking(9), style(9) HISTORY The development manual page was originally written by Matthew Dillon <dillon@FreeBSD.org> and first appeared in FreeBSD 5.0, December 2002. It was since extensively modified by Eitan Adler <eadler@FreeBSD.org> to reflect the repository conversion from cvs(1) to svn(1). It was rewrit- ten from scratch by Edward Tomasz Napierala <trasz@FreeBSD.org> for FreeBSD 12.0. FreeBSD 13.0 November 1, 2022 FreeBSD 13.0
NAME | DESCRIPTION | EXAMPLES | SEE ALSO | HISTORY
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