Cool, so it looks like a shell bug.

You should be able to build the NetBSD shell or pdksh, and tell bmake 
to use that. eg.

.SHELL: name=ksh path=/bin/ksh hasErrCtl=true check="set -e" ignore="set +e" quiet="set +v" filter="set +v" echo="set -v" echoFlag=v errFlag=e

Hope that helps.
--sjg

On Sun, 06 Feb 2005 14:13:48 +0900, Tetsuya Isaki writes:
>Hi,
>
>At Sat,  5 Feb 2005 09:08:42 -0800 (PST),
>Simon J. Gerraty wrote:
>> 
>> >I'm trying to build netbsd-2-0 on OpenBSD/i386-3.6.
>> >But MAKEOBJDIR in tools/bin/nbmake-xxx is broken.
>> 
>> >It seems different interpretation for ','(comma) in
>> >variable?  I'm not sure especially '+'(plus) is good
>> >separator or not..  Anyway this patch works fine for
>> >me.
>> 
>> First, can we establish that your shell is doing it's part:
>> What do you get for the following script:
>> 
>> TOP=/my/src
>> OPTARG=/my/obj
>> 
>> setmakeenv()
>> {
>>     set -x
>>     eval "$1='$2'; export $1"
>>     makeenv="${makeenv} $1"
>> }
>> 
>> setmakeenv MAKEOBJDIR "\${.CURDIR:C,^$TOP,$OPTARG,}"
>> 
>> If I run that with sh, ksh on Net or Free (plus bash and zsh) I see:
>> 
>> MAKEOBJDIR=${.CURDIR:C,^/my/src,/my/obj,}
>
>Your script show the same result both OpenBSD and NetBSD.
>But I got different result by the following script.
>
>% cat a
>#! /usr/bin/env sh
>TOP=/my/src
>OPTARG=/my/obj
>
>setmakeenv()
>{
>    set -x
>    eval "$1='$2'; export $1"
>    makeenv="${makeenv} $1"
>}
>
>setmakeenv MAKEOBJDIR "\${.CURDIR:C,^$TOP,$OPTARG,}"
>
>f=MAKEOBJDIR
>eval echo "${f}=\'\$$(echo ${f})\'\;\ export\ ${f}"
>%
>
>(On NetBSD 2.0_RC4)
>% uname -a
>NetBSD mai.xxxxxxxxxxxxxxxx.jp 2.0_RC4 NetBSD 2.0_RC4 (MAI) #2: Thu Jan  6 11:
>46:11 JST 2005  root@mai.xxxxxxxxxxxxxxxx.jp:/usr/src/sys/arch/i386/compile/MA
>I i386
>% ./a
>+ eval MAKEOBJDIR='${.CURDIR:C,^/my/src,/my/obj,}'; export MAKEOBJDIR
>+ MAKEOBJDIR=${.CURDIR:C,^/my/src,/my/obj,}
>+ export MAKEOBJDIR
>+ makeenv= MAKEOBJDIR
>+ f=MAKEOBJDIR
>+ echo MAKEOBJDIR
>+ eval echo MAKEOBJDIR=\'$MAKEOBJDIR\'\;\ export\ MAKEOBJDIR
>+ echo MAKEOBJDIR='${.CURDIR:C,^/my/src,/my/obj,}'; export MAKEOBJDIR
>MAKEOBJDIR='${.CURDIR:C,^/my/src,/my/obj,}'; export MAKEOBJDIR
>% 
>
>(On OpenBSD 3.6)
>% ./a
>+ eval MAKEOBJDIR='${.CURDIR:C,^/my/src,/my/obj,}'; export MAKEOBJDIR
>+ MAKEOBJDIR=${.CURDIR:C,^/my/src,/my/obj,}
>+ export MAKEOBJDIR
>+ makeenv= MAKEOBJDIR
>MAKEOBJDIR='$.CURDIR:C'; export MAKEOBJDIR MAKEOBJDIR='$^/my/src'; export MAKE
>OBJDIR MAKEOBJDIR='$/my/obj'; export MAKEOBJDIR MAKEOBJDIR='$'; export MAKEOBJ
>DIR
>% 
>---
>Tetsuya ISAKI <isaki@par.odn.ne.jp / isaki@NetBSD.org>