boostrap target

[Rui Paulo]

On Mon, 2015-10-05 at 20:00 -0600, Ian Lepore wrote:
> I decided the "beforedepend: bootstrap" attempt at a fix was wrong,
> because it led to always using the precompiled/processed versions of
> the
> generated files on every pass (boostrap tools, world, crossbuilding),
> and I think that wasn't the intention.  I discovered (by accident,
> actually) that there was no need to run the bootstap target at all as
> long as m4 got built before lex during the bootstrap-tools stage, so
> that's the fix I applied, and it was sufficient to build current and
> stable-10 on a stable-8 build host.

Well, I thought that was what jkim added in 2013.  Is your
BOOTSTRAPPING variable set correctly?

diff --git a/Makefile.inc1 b/Makefile.inc1
index 1e58f47..f0649ef 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1206,6 +1206,10 @@ _sed=            usr.bin/sed
 _lex=          usr.bin/lex
 .endif
 
+.if ${BOOTSTRAPPING} < 1000002
+_m4=           usr.bin/m4
+.endif
+
 .if ${BOOTSTRAPPING} < 1000013
 _yacc=         lib/liby \
                usr.bin/yacc
@@ -1283,6 +1287,7 @@ bootstrap-tools:
     usr.bin/rpcgen \
     ${_sed} \
     ${_yacc} \
+    ${_m4} \
     ${_lex} \
     lib/libmd \
     usr.bin/xinstall \

> 
> I suppose at this point the bootstrap target, and all the pre
> -generated
> files it copies, could be deleted.  Unless they're serving some other
> purpose I'm not aware of, like maybe some folks have a need to run
> that
> target manually.

Looking again, all the GENFILES are generated by the bootstrap target
based on the rule init$f -> $f.

However, as you say it probably should be deleted because there's no
difference between init$f and $f.

-- 
Rui Paulo