readonly source broken?

[Tom Judge]

Julian Elischer wrote:
> 
> with a readonly /usr/src  & /usr/obj (mounted via NFS from the machine
> where "make buildworld" was run,
> make installworld has the following error.
> this seems wrong to me..
> 
> 
> ===> gnu/usr.bin/cvs/cvs (install)
> install -s -o root -g wheel -m 555   cvs /usr/bin
> install -o root -g wheel -m 444 cvs.1.gz  /usr/share/man/man1
> install -o root -g wheel -m 444 cvs.5.gz  /usr/share/man/man5
> ===> gnu/usr.bin/cvs/contrib (install)
> sed -e 's, at CSH@,/bin/csh,' -e 's, at PERL@,/usr/bin/perl,' 
> /usr/src/gnu/usr.bin/cvs/contrib/../../../../contrib/cvs/contrib/Makefile.in 
>  > Makefile
> cannot create Makefile: Read-only file system
> *** Error code 2
> 
> Stop in /usr/src/gnu/usr.bin/cvs/contrib.
> *** Error code 1
> 
> Stop in /usr/src/gnu/usr.bin/cvs.
> *** Error code 1
> 
> Stop in /usr/src/gnu/usr.bin.
> *** Error code 1


I do this type of installation quite regularly, it is usually a sign 
that either the /etc/make.conf is different between the build host and 
install host.  Or that a part of the tree has been cleaned and not rebuilt.

Tom