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Don't compile old gcc 4.2.1 archs by default in universe/tinderbox.

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Only compile clang supporting architectures of amd64, arm, arm64,
i386, and riscv as part of universe. Compile the other architectures
if MAKE_OBSOLETE_GCC is defined. In all cases, explicit lists of
architectures in TARGETS= on the command line override.

For mips, powerpc and sparc64, do the same thing we do for risvc when
MAKE_OBSOLETE_GCC isn't defined and short-circuit their universe build
with an echo saying to install the xtoolchain port or pkg.

PR: 241134
Discussed on: arch@ (https://lists.freebsd.org/pipermail/freebsd-arch/2019-August/019674.html)
Differential Revision: https://reviews.freebsd.org/D21942
This commit is contained in:
Warner Losh 2019-10-09 20:59:10 +00:00
parent d2cb9c7641
commit 3f376e4b54
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353367
1 changed files with 31 additions and 7 deletions
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38
Makefile
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@ -4,8 +4,11 @@
# The user-driven targets are:
#
# universe - *Really* build *everything* (buildworld and
# all kernels on all architectures). Define the
# MAKE_JUST_KERNELS variable to only build kernels.
# all kernels on all architectures). Define
# MAKE_JUST_KERNELS to only build kernels,
# MAKE_JUST_WORLDS to only build userland, and/or
# MAKE_OBSOLETE_GCC to build architectures unsupported
# by clang.
# tinderbox - Same as universe, but presents a list of failed build
# targets and exits with an error if there were any.
# buildworld - Rebuild *everything*, including glue to help do
@ -81,7 +84,7 @@
# 5. `reboot' (in single user mode: boot -s from the loader prompt).
# 6. `mergemaster -p'
# 7. `make installworld'
# 8. `mergemaster' (you may wish to use -i, along with -U or -F).
# 8. `mergemaster' (you may wish to use -i, along with -U or -F).
# 9. `make delete-old'
# 10. `reboot'
# 11. `make delete-old-libs' (in case no 3rd party program uses them anymore)
@ -481,7 +484,16 @@ worlds: .PHONY
#
.if make(universe) || make(universe_kernels) || make(tinderbox) || \
make(targets) || make(universe-toolchain)
TARGETS?=amd64 arm arm64 i386 mips powerpc riscv sparc64
#
# By default, build only the known-good clang-supporting platforms.
# If MAKE_OBSOLETE_GCC is defined, built all the old GCC architectures.
# In all cases, if the user specifies TARGETS on the command line,
# honor that most of all.
#
_DEFAULT_TARGETS=amd64 arm arm64 i386 riscv
_OBSOLETE_GCC_TARGETS=mips powerpc sparc64
_DEFAULT_TARGETS+=${_OBSOLETE_GCC_TARGETS}
TARGETS?=${_DEFAULT_TARGETS}
_UNIVERSE_TARGETS= ${TARGETS}
TARGET_ARCHES_arm?= arm armv6 armv7
TARGET_ARCHES_arm64?= aarch64
@ -494,11 +506,23 @@ TARGET_ARCHES_${target}?= ${target}
.endfor
MAKE_PARAMS_riscv?= CROSS_TOOLCHAIN=riscv64-gcc
.if !defined(MAKE_OBSOLETE_GCC)
OBSOLETE_GCC_TARGETS=${_OBSOLETE_GCC_TARGETS}
MAKE_PARAMS_mips?= CROSS_TOOLCHAIN=mips-gcc
MAKE_PARAMS_powerpc?= CROSS_TOOLCHAIN=powerpc-gcc
MAKE_PARAMS_sparc64?= CROSS_TOOLCHAIN=sparc64-gcc
.endif
# XXX Remove architectures only supported by external toolchain from universe
# if required toolchain packages are missing.
TOOLCHAINS_mips= mips
TOOLCHAINS_powerpc= powerpc64
TOOLCHAINS_riscv= riscv64
.for target in riscv
TOOLCHAINS_sparc64= sparc64
# Remove architectures only supported by external toolchain from universe
# if required toolchain packages are missing.
# When MAKE_OBSOLETE_GCC is not defined, this effecitvely forces this for
# the in-tree gcc 4.2.1 targets as well.
.for target in riscv ${OBSOLETE_GCC_TARGETS}
.if ${_UNIVERSE_TARGETS:M${target}}
.for toolchain in ${TOOLCHAINS_${target}}
.if !exists(/usr/local/share/toolchains/${toolchain}-gcc.mk)