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Add an ENVIRONMENT section, and document TARGET_ARCH and NO_WERROR.

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Add a cross-build example.
This commit is contained in:
Murray Stokely 2002-03-14 09:38:24 +00:00
parent 2750f739f9
commit b82e53e2bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=92264
1 changed files with 16 additions and 0 deletions
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16
share/man/man7/build.7
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@ -107,6 +107,15 @@ library sub-directory.
.Pp
For more information about the ports build process, see
.Xr ports 7 .
.Sh ENVIRONMENT
.Bl -tag -width ".Ev TARGET_ARCH"
.It Ev TARGET_ARCH
The target architecture.
Set this to cross-build for a different architecture.
.It Ev NO_WERROR
If defined, warnings will not cause the build to halt, even if the
makefile says otherwise.
.El
.Sh FILES
.Bl -tag -width ".Pa /usr/share/examples/etc/make.conf" -compact
.It Pa /etc/make.conf
@ -153,6 +162,13 @@ otherwise many programs which have been rebuilt
.Nm top ,
etc)
may not work with the old kernel which is still running.
.Pp
The following sequence of commands can be used to cross-build the
system for the Alpha architecture on an i386 host:
.Bd -literal -offset indent
cd /usr/src
make -DNO_WERROR=1 TARGET_ARCH=alpha buildworld
.Ed
.Sh SEE ALSO
.Xr cc 1 ,
.Xr install 1 ,