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Only build kernels for enabled TARGET_ARCHes in make universe/tinderbox.

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Previously, all of the kernels for a given TARGET were built if that
target was enabled.  This was implemented by having each kernel built
via a universe_kernconf_<KERNEL> target that was depended on by a
universe_kernconfs target.  However, this meant that if one did a
build with a limited set of TARGET_ARCH values for a given TARGET,
kernels could be built for which we hadn't built a world or toolchain.
For example, 'make TARGETS=mips TARGET_ARCHES_mips=mips64' would build
mips32 kernels.

Fix this by adding an extra layer of indirection in the kernel make
targets.  universe_kernconf_<KERNEL> is now a dependency of a new
universe_kernconfs_<TARGET_ARCH>.  universe_kernconfs in turn depends
on a list of universe_kernconfs_<target_arch> values, but only the
values enabled in TARGET_ARCHES_<TARGET>.

Reviewed by:	imp
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D23031
This commit is contained in:
John Baldwin 2020-01-06 17:34:17 +00:00
parent 4ad2473790
commit 0b2b53a2ea
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356418
1 changed files with 4 additions and 1 deletions
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5
Makefile
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@ -724,7 +724,7 @@ TARGET_ARCH_${kernel}!= cd ${KERNSRCDIR}/${TARGET}/conf && \
.if empty(TARGET_ARCH_${kernel})
.error "Target architecture for ${TARGET}/conf/${kernel} unknown. config(8) likely too old."
.endif
universe_kernconfs: universe_kernconf_${TARGET}_${kernel}
universe_kernconfs_${TARGET_ARCH_${kernel}}: universe_kernconf_${TARGET}_${kernel}
universe_kernconf_${TARGET}_${kernel}: .MAKE
@echo ">> ${TARGET}.${TARGET_ARCH_${kernel}} ${kernel} kernel started on `LC_ALL=C date`"
@(cd ${.CURDIR} && env __MAKE_CONF=/dev/null \
@ -738,6 +738,9 @@ universe_kernconf_${TARGET}_${kernel}: .MAKE
"check _.${TARGET}.${kernel} for details"| ${MAKEFAIL}))
@echo ">> ${TARGET}.${TARGET_ARCH_${kernel}} ${kernel} kernel completed on `LC_ALL=C date`"
.endfor
.for target_arch in ${TARGET_ARCHES_${TARGET}}
universe_kernconfs: universe_kernconfs_${target_arch} .PHONY
.endfor
.endif # make(universe_kernels)
universe: universe_epilogue
universe_epilogue: .PHONY