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Wordsmith and simplify

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Simplify expressions as suggested by jhb. The extra indirection made
sense in earlier versions of this patch, but not the final one.

While here, apply suggestion from emaste for wording of universe.
Also wordsmith awkwardly worded comment about when we effectively
neuter the universe build for an architecture.

Once llvm 9.0 has been vetted for mips and powerpc, I'll take them out
of these lists.
This commit is contained in:
Warner Losh 2019-10-09 21:18:46 +00:00
parent b60229e2f1
commit 2f9520d5fe
1 changed files with 7 additions and 9 deletions
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16
Makefile
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@ -7,8 +7,8 @@
# all kernels on all architectures). Define # all kernels on all architectures). Define
# MAKE_JUST_KERNELS to only build kernels, # MAKE_JUST_KERNELS to only build kernels,
# MAKE_JUST_WORLDS to only build userland, and/or # MAKE_JUST_WORLDS to only build userland, and/or
# MAKE_OBSOLETE_GCC to build architectures unsupported # MAKE_OBSOLETE_GCC to also build architectures
# by clang. # unsupported by clang using in-tree gcc.
# tinderbox - Same as universe, but presents a list of failed build # tinderbox - Same as universe, but presents a list of failed build
# targets and exits with an error if there were any. # targets and exits with an error if there were any.
# buildworld - Rebuild *everything*, including glue to help do # buildworld - Rebuild *everything*, including glue to help do
@ -490,10 +490,8 @@ worlds: .PHONY
# In all cases, if the user specifies TARGETS on the command line, # In all cases, if the user specifies TARGETS on the command line,
# honor that most of all. # honor that most of all.
# #
_DEFAULT_TARGETS=amd64 arm arm64 i386 riscv
_OBSOLETE_GCC_TARGETS=mips powerpc sparc64 _OBSOLETE_GCC_TARGETS=mips powerpc sparc64
_DEFAULT_TARGETS+=${_OBSOLETE_GCC_TARGETS} TARGETS?=amd64 arm arm64 i386 riscv ${_OBSOLETE_GCC_TARGETS}
TARGETS?=${_DEFAULT_TARGETS}
_UNIVERSE_TARGETS= ${TARGETS} _UNIVERSE_TARGETS= ${TARGETS}
TARGET_ARCHES_arm?= arm armv6 armv7 TARGET_ARCHES_arm?= arm armv6 armv7
TARGET_ARCHES_arm64?= aarch64 TARGET_ARCHES_arm64?= aarch64
@ -518,10 +516,10 @@ TOOLCHAINS_powerpc= powerpc64
TOOLCHAINS_riscv= riscv64 TOOLCHAINS_riscv= riscv64
TOOLCHAINS_sparc64= sparc64 TOOLCHAINS_sparc64= sparc64
# Remove architectures only supported by external toolchain from universe # Remove architectures only supported by external toolchain from
# if required toolchain packages are missing. # universe if required toolchain packages are missing. riscv requires
# When MAKE_OBSOLETE_GCC is not defined, this effecitvely forces this for # an out-of-tree toolchain. When MAKE_OBSOLETE_GCC is not defined,
# the in-tree gcc 4.2.1 targets as well. # the same logic appleis to the obsolete gcc targets.
.for target in riscv ${OBSOLETE_GCC_TARGETS} .for target in riscv ${OBSOLETE_GCC_TARGETS}
.if ${_UNIVERSE_TARGETS:M${target}} .if ${_UNIVERSE_TARGETS:M${target}}
.for toolchain in ${TOOLCHAINS_${target}} .for toolchain in ${TOOLCHAINS_${target}}