Date: Wed, 22 Apr 2026 17:29:44 +0000 From: Alexander Ziaee <ziaee@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 1d69c8e4ac7d - main - build.7: Improve make delete-old example Message-ID: <69e90588.40de0.4e996948@gitrepo.freebsd.org>
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The branch main has been updated by ziaee: URL: https://cgit.FreeBSD.org/src/commit/?id=1d69c8e4ac7da648f63a830b23b872582469ba37 commit 1d69c8e4ac7da648f63a830b23b872582469ba37 Author: Alexander Ziaee <ziaee@FreeBSD.org> AuthorDate: 2026-04-22 17:24:38 +0000 Commit: Alexander Ziaee <ziaee@FreeBSD.org> CommitDate: 2026-04-22 17:24:39 +0000 build.7: Improve make delete-old example Be more explicit that deleting old files and libraries needs to be really after you're rebooted a third time and you're really actually sure your applications aren't using old libs, following irc discussion. Also adjust an example slightly to fit on 80 character console. MFC after: 3 days Discussed with: emaste, fuz, jhb Differential Revision: https://reviews.freebsd.org/D54079 --- share/man/man7/build.7 | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/share/man/man7/build.7 b/share/man/man7/build.7 index 785c73d3572f..d03a1fd7b911 100644 --- a/share/man/man7/build.7 +++ b/share/man/man7/build.7 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd September 25, 2025 +.Dd April 6, 2026 .Dt BUILD 7 .Os .Sh NAME @@ -1018,16 +1018,20 @@ shutdown -r now .Pp For major version upgrades, boot into single-user mode. After restarting, install userspace, and merge configurations. -After verifying that you do not need them, delete old files -and libraries: +After verifying that you do not need them, delete old files: .Bd -literal -offset indent cd /usr/src etcupdate -p make installworld etcupdate -B -make delete-old delete-old-libs +make delete-old shutdown -r now .Ed +.Pp +After testing the new system and verifying that your applications do not +depend on them, delete the old libraries: +.Pp +.Dl make delete-old-libs .Ss Example 2: Build and upgrade a custom kernel in place Create a custom kernel configuration, .Va MYKERNEL , @@ -1103,21 +1107,21 @@ such as amd64: .Bd -literal -offset indent cd /usr/src make TARGET_ARCH=aarch64 buildworld buildkernel -make TARGET_ARCH=aarch64 DESTDIR=/armclient installworld installkernel +make TARGET_ARCH=aarch64 DESTDIR=/client installworld installkernel .Ed .Pp Afterwards, to build and install a single piece of userspace, use: .Bd -literal -offset indent cd src/bin/ls make buildenv TARGET_ARCH=aarch64 -make clean all install DESTDIR=/armclient +make clean all install DESTDIR=/client .Ed .Pp Likewise, to quickly rebuild and reinstall the kernel, use: .Bd -literal -offset indent cd src make buildenv TARGET_ARCH=aarch64 -make kernel KERNFAST=1 DESTDIR=/armclient +make kernel KERNFAST=1 DESTDIR=/client .Ed .Sh DIAGNOSTICS .Bl -diaghome | help
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