svn commit: r339946 - in head: . share/mk

[Bryan Drewery]

On 10/31/2018 3:45 AM, Alex Richardson wrote:
> Author: arichardson
> Date: Wed Oct 31 10:45:28 2018
> New Revision: 339946
> URL: https://svnweb.freebsd.org/changeset/base/339946
> 
> Log:
>   Don't run cc --version during cleandir/obj stages
>   

I haven't had a chance to look at this fully or r339636 but I don't
think this change, r339946, is complete. There's far more tree-walks
than these named ones that should not be running cc.


>   This will no work when there is no cc in $PATH (which is the case before the
>   cross-tools stage once we no longer inherit $PATH in $WMAKE).
>   The variables set by bsd.compiler.mk/bsd.linker.mk are not needed in these
>   stages so this avoids a little bit of makefile parsing.
>   
>   Reviewed By:	emaste
>   Approved By:	jhb (mentor)
>   Differential Revision: https://reviews.freebsd.org/D16814
> 
> Modified:
>   head/Makefile.inc1
>   head/share/mk/bsd.compiler.mk
> 
> Modified: head/Makefile.inc1
> ==============================================================================
> --- head/Makefile.inc1	Wed Oct 31 10:30:19 2018	(r339945)
> +++ head/Makefile.inc1	Wed Oct 31 10:45:28 2018	(r339946)
> @@ -950,7 +950,7 @@ _worldtmp: .PHONY
>  .else
>  	${_+_}@if [ -e "${WORLDTMP}" ]; then \
>  		echo ">>> Deleting stale files in build tree..."; \
> -		cd ${.CURDIR}; ${WMAKE} -DBATCH_DELETE_OLD_FILES \
> +		cd ${.CURDIR}; ${WMAKE} -DBATCH_DELETE_OLD_FILES _NO_INCLUDE_COMPILERMK=t \
>  		    delete-old delete-old-libs >/dev/null; \
>  	fi
>  	rm -rf ${WORLDTMP}/legacy/usr/include
> @@ -1003,19 +1003,21 @@ _cleanobj:
>  	@echo "--------------------------------------------------------------"
>  	@echo ">>> stage 2.1: cleaning up the object tree"
>  	@echo "--------------------------------------------------------------"
> -	${_+_}cd ${.CURDIR}; ${WMAKE} ${CLEANDIR}
> +	# Avoid including bsd.compiler.mk in clean and obj with _NO_INCLUDE_COMPILERMK
> +	# since the restricted $PATH might not contain a valid cc binary
> +	${_+_}cd ${.CURDIR}; ${WMAKE} _NO_INCLUDE_COMPILERMK=t ${CLEANDIR}
>  .if defined(LIBCOMPAT)
> -	${_+_}cd ${.CURDIR}; ${LIBCOMPATWMAKE} -f Makefile.inc1 ${CLEANDIR}
> +	${_+_}cd ${.CURDIR}; ${LIBCOMPATWMAKE} _NO_INCLUDE_COMPILERMK=t -f Makefile.inc1 ${CLEANDIR}
>  .endif
>  .else
> -	${_+_}cd ${.CURDIR}; ${WMAKE} _cleanobj_fast_depend_hack
> +	${_+_}cd ${.CURDIR}; ${WMAKE} _NO_INCLUDE_COMPILERMK=t _cleanobj_fast_depend_hack
>  .endif	# !defined(NO_CLEAN)
>  _obj:
>  	@echo
>  	@echo "--------------------------------------------------------------"
>  	@echo ">>> stage 2.2: rebuilding the object tree"
>  	@echo "--------------------------------------------------------------"
> -	${_+_}cd ${.CURDIR}; ${WMAKE} obj
> +	${_+_}cd ${.CURDIR}; ${WMAKE} _NO_INCLUDE_COMPILERMK=t obj
>  _build-tools:
>  	@echo
>  	@echo "--------------------------------------------------------------"
> 
> Modified: head/share/mk/bsd.compiler.mk
> ==============================================================================
> --- head/share/mk/bsd.compiler.mk	Wed Oct 31 10:30:19 2018	(r339945)
> +++ head/share/mk/bsd.compiler.mk	Wed Oct 31 10:45:28 2018	(r339946)
> @@ -33,6 +33,16 @@ __<bsd.compiler.mk>__:
>  
>  .include <bsd.opts.mk>
>  
> +.if defined(_NO_INCLUDE_COMPILERMK)
> +# If _NO_INCLUDE_COMPILERMK is set we are doing a make obj/cleandir/cleanobj
> +# and might not have a valid compiler in $PATH yet. In this case just set the
> +# variables that are expected by the other .mk files and return
> +COMPILER_TYPE=none
> +X_COMPILER_TYPE=none
> +COMPILER_VERSION=0
> +X_COMPILER_VERSION=0
> +COMPILER_FEATURES=none
> +.else
>  # command = /usr/local/bin/ccache cc ...
>  # wrapper = /usr/local/libexec/ccache/cc ...
>  CCACHE_BUILD_TYPE?=	command
> @@ -220,4 +230,5 @@ ${var}.${${X_}_cc_hash}:=	${${var}}
>  .if !defined(_NO_INCLUDE_LINKERMK)
>  .include <bsd.linker.mk>
>  .endif
> +.endif	# defined(_NO_INCLUDE_COMPILERMK)
>  .endif	# !target(__<bsd.compiler.mk>__)
> 


-- 
Regards,
Bryan Drewery

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