git: 2b519b170709 - main - Update description of WITH_DIRDEPS_BUILD

The branch main has been updated by sjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=2b519b170709b9c2bb9f66641737d1d80a5d2538

commit 2b519b170709b9c2bb9f66641737d1d80a5d2538
Author:     Simon J. Gerraty <sjg@FreeBSD.org>
AuthorDate: 2023-05-12 16:42:21 +0000
Commit:     Simon J. Gerraty <sjg@FreeBSD.org>
CommitDate: 2023-05-12 16:42:21 +0000

    Update description of WITH_DIRDEPS_BUILD
---
 tools/build/options/WITH_DIRDEPS_BUILD | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/build/options/WITH_DIRDEPS_BUILD b/tools/build/options/WITH_DIRDEPS_BUILD
index 3086d136b580..98d3f6c44b1a 100644
--- a/tools/build/options/WITH_DIRDEPS_BUILD
+++ b/tools/build/options/WITH_DIRDEPS_BUILD
@@ -1,5 +1,5 @@
 .\" $FreeBSD$
-This is an experimental build system.
+This is an alternate build system.
 For details see
 https://www.crufty.net/sjg/docs/freebsd-meta-mode.htm.
 Build commands can be seen from the top-level with:
@@ -33,4 +33,9 @@ The build hides commands executed unless
 is defined.
 .Pp
 Note that there is currently no mass install feature for this.
+This build is designed for producing packages, that can then be installed
+on a target system.
 .Pp
+The implementation in FreeBSD is incomplete.
+Competion would require leaf directories for building each kernel
+and package so that their dependencies can be tracked.