make nrelease CCVER issues

Wed Aug 31 11:56:07 PDT 2005

Joerg Sonnenberger wrote:
some people already wondered (including me) about why you had to set 
CCVER=gcc34 manually when building -Devel nrelease isos on -Release.
As I tried to say before, does specifying HOST_CCVER=gcc34 for
buildworld help? The problem exists because of the oddities of rpcgen
and the default environment coming from the old share/mk.
The problem is that rpcgen uses cpp (=objdump) which wants to use gcc2 
cpp because CCVER=gcc2 at this point, though it should be gcc34.

Bug!  It sets (internally) FOO to the override "gcc34", but the env FOO 
doesn't change!  And as src/Makefile is just a wrapper which execs
make -f Makefile.inc1, the CCVER=gcc34 override setting doesn't get 
propagated.  Everything else uses CCVER=gcc2 again.
No, it is *not* a bug. It is documented behaviour a lot of people (have
to) relay on.
yes it is a bug.  did you read the code?  it is making FOO an env var 
but doesn't allow to override it.  I didn't say it's a bug in make.  If 
not in make, then in the makefile.  We need to fix it somehow, because 
we don't support building -devel with gcc2.

cheers
  simon
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