install: bsd make compatibility

xinstall.1

@@ -0,0 +1,88 @@
+.Dd 2016-02-12
+.Dt INSTALL 1
+.Os sbase
+.Sh NAME
+.Nm install
+.Nd copy files and set attributes
+.Sh SYNOPSIS
+.Nm
+.Op Fl g Ar group
+.Op Fl o Ar owner
+.Op Fl m Ar mode
+.Po
+.Fl d Ar dir ...
+|
+.Op Fl sD
+.Po
+.Fl t Ar dest
+.Ar source ...
+|
+.Ar source ...
+.Ar dest
+.Pc
+.Pc
+.Sh DESCRIPTION
+.Nm
+copies
+.Ar source
+to
+.Ar dest .
+If more than one
+.Ar source
+is given
+.Ar dest
+has to be a directory.
+.Nm
+can also change the attributes of the copies.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl d
+Create the directories
+.Ar dir .
+.It Fl D
+Create missing parent directories to
+.Ar dest .
+If
+.Fl t
+is used, the
+.Ar dest
+itself is also created if missing.
+.It Fl g Ar group
+Change the installed files' group to
+.Ar group .
+This may be a group name or a group identifier.
+.It Fl m Ar mode
+Change the file modes. Both numerical and symbolic
+values are supported. See
+.Xr chmod 1
+for the syntex.
+Default mode 0755. If a file has the mode 0644 and
+is copied with
+.It Fl o Ar owner
+Change the installed files' owner to
+.Ar owner .
+This may be a user name or a user identifier.
+.It Fl s
+Remove unnecessary symbols using
+.Xr strip 1 .
+Failure to strip a file does not imply failure to install the file.
+.It Fl t Ar dest
+Copy files into the directory
+.Ar dest .
+.Nm install ,
+the copy's mode will be 0755 unless
+.Fl m
+is used to select another mode. When the symbolic
+notation is used, the base mode is 0000.
+.Sh SEE ALSO
+.Xr chmod 1 ,
+.Xr chown 1 ,
+.Xr cp 1 ,
+.Xr mkdir 1 ,
+.Xr strip 1
+.Sh STANDARDS
+The
+.Nm
+utility is not standardized. This implementation is a subset
+of the GNU implementation and a subset with extensions to
+the FreeBSD implementation.