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build(7): clarify buildenv target can be used for non-cross builds

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make buildenv can be used for building for the same architecture as
the host (perhaps this is a degenerate case of cross-building).
TARGET and TARGET_ARCH do not need to be set in this case.

Reviewed by:	bdrewery
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D10759
This commit is contained in:
emaste 2018-11-10 20:26:19 +00:00
parent ffd03dfb6a
commit d5379246af
1 changed files with 5 additions and 5 deletions
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10
share/man/man7/build.7
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@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd August 16, 2018
.Dd November 10, 2018
.Dt BUILD 7
.Os
.Sh NAME
@ -168,16 +168,16 @@ are:
.Bl -tag -width ".Cm distributeworld"
.It Cm buildenv
Spawn an interactive shell with environment variables set up for
cross-building the system.
The target architecture needs to be specified with
building the system or individual components.
For cross-building the target architecture needs to be specified with
.Xr make 1
variables
.Va TARGET_ARCH
and
.Va TARGET .
.Pp
This target is only useful after a complete cross-toolchain including
the compiler, linker, assembler, headers and libraries has been
This target is only useful after a complete toolchain (including
the compiler, linker, assembler, headers and libraries) has been
built; see the
.Cm toolchain
target below.