stable/4.1: remove legacy architecture support

Makefile

@@ -93,7 +93,7 @@
 #
 # See src/UPDATING `COMMON ITEMS' for more complete information.
 #
-# If TARGET=machine (e.g. powerpc, amd64, ...) is specified you can
+# If TARGET=machine (e.g. amd64, arm64, ...) is specified you can
 # cross build world for other machine types using the buildworld target,
 # and once the world is built you can cross build a kernel using the
 # buildkernel target.
@@ -497,20 +497,12 @@ worlds: .PHONY
 .if make(universe) || make(universe_kernels) || make(tinderbox) || \
     make(targets) || make(universe-toolchain)
 #
-# Don't build rarely used, semi-supported architectures unless requested.
+# Architectures supported by the native build.
 #
-.if defined(EXTRA_TARGETS)
-EXTRA_ARCHES_mips=	mipsel mipshf mipselhf mips64el mips64hf mips64elhf
-EXTRA_ARCHES_mips+=	mipsn32
-# powerpcspe excluded from main list until clang fixed
-EXTRA_ARCHES_powerpc=	powerpcspe powerpc64le
-.endif
-TARGETS?=amd64 arm arm64 i386 mips powerpc riscv
+TARGETS?=amd64 arm arm64 i386 riscv
 _UNIVERSE_TARGETS=	${TARGETS}
 TARGET_ARCHES_arm?=	armv6 armv7
 TARGET_ARCHES_arm64?=	aarch64
-TARGET_ARCHES_mips?=	mips mips64 ${EXTRA_ARCHES_mips}
-TARGET_ARCHES_powerpc?=	powerpc powerpc64 ${EXTRA_ARCHES_powerpc}
 TARGET_ARCHES_riscv?=	riscv64 riscv64sf
 .for target in ${TARGETS}
 TARGET_ARCHES_${target}?= ${target}
@@ -522,9 +514,6 @@ TOOLCHAINS_arm=		armv6-gcc9 armv7-gcc9
 TOOLCHAIN_armv7=	armv7-gcc9
 TOOLCHAINS_arm64=	aarch64-gcc9
 TOOLCHAINS_i386=	i386-gcc9
-TOOLCHAINS_mips=	mips-gcc9
-TOOLCHAINS_powerpc=	powerpc-gcc9 powerpc64-gcc9
-TOOLCHAIN_powerpc64=	powerpc64-gcc9
 TOOLCHAINS_riscv=	riscv64-gcc9
 .endif
 

Makefile.inc1

@@ -143,28 +143,14 @@ TARGET_ABI=	gnueabi
 .endif
 .endif
 MACHINE_ABI?=	unknown
-MACHINE_TRIPLE?=${MACHINE_ARCH:S/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${MACHINE_ABI}-freebsd13.4
+MACHINE_TRIPLE?=${MACHINE_ARCH:S/amd64/x86_64/:C/[hs]f$//}-${MACHINE_ABI}-freebsd13.4
 TARGET_ABI?=	unknown
-TARGET_TRIPLE?=	${TARGET_ARCH:S/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${TARGET_ABI}-freebsd13.4
+TARGET_TRIPLE?=	${TARGET_ARCH:S/amd64/x86_64/:C/[hs]f$//}-${TARGET_ABI}-freebsd13.4
 KNOWN_ARCHES?=	aarch64/arm64 \
 		amd64 \
 		armv6/arm \
 		armv7/arm \
 		i386 \
-		mips \
-		mipsel/mips \
-		mips64el/mips \
-		mipsn32el/mips \
-		mips64/mips \
-		mipsn32/mips \
-		mipshf/mips \
-		mipselhf/mips \
-		mips64elhf/mips \
-		mips64hf/mips \
-		powerpc \
-		powerpc64/powerpc \
-		powerpc64le/powerpc \
-		powerpcspe/powerpc \
 		riscv64/riscv \
 		riscv64sf/riscv
 
@@ -1215,10 +1201,6 @@ _ncpu_cmd=sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo unknown
 buildworld_prologue: .PHONY
 	@echo "--------------------------------------------------------------"
 	@echo ">>> World build started on `LC_ALL=C date`"
-.if ${TARGET:Mmips}
-	@echo "--------------------------------------------------------------"
-	@echo "WARNING: MIPS architecture is gone in MidnightBSD"
-.endif
 	@echo "--------------------------------------------------------------"
 
 buildworld_epilogue: .PHONY
@@ -1228,10 +1210,6 @@ buildworld_epilogue: .PHONY
 	@seconds=$$(($$(date '+%s') - ${_BUILDWORLD_START})); \
 	  echo -n ">>> World built in $$seconds seconds, "; \
 	  echo "ncpu: $$(${_ncpu_cmd})${.MAKE.JOBS:S/^/, make -j/}"
-.if ${TARGET:Mmips}
-	@echo "--------------------------------------------------------------"
-	@echo "WARNING: MIPS architecture is gone in MidnightBSD"
-.endif
 	@echo "--------------------------------------------------------------"
 
 #
@@ -1689,9 +1667,6 @@ NO_KERNELOBJ=		t
 KERNCONF=${KERNFAST}
 .endif
 .endif
-GENERIC_KERNCONF_SUFX_powerpc64=	64
-GENERIC_KERNCONF_SUFX_powerpc64le=	64LE
-GENERIC_KERNCONF_powerpcspe=	MPC85XXSPE
 GENERIC_KERNCONF?=	${GENERIC_KERNCONF_${TARGET_ARCH}:UGENERIC${GENERIC_KERNCONF_SUFX_${TARGET_ARCH}}}
 INSTKERNNAME?=	kernel
 
@@ -2354,9 +2329,6 @@ _bootstrap_tools_links+=m4 lex
 # r296685 fix cross-endian objcopy
 # r310724 fixed PR 215350, a crash in libdwarf with objects built by GCC 6.2.
 # r334881 added libdwarf constants used by ctfconvert.
-# r338478 fixed a crash in objcopy for mips64el objects
-# r339083 libelf: correct mips64el test to use ELF header
-# r348347 Add missing powerpc64 relocation support to libdwarf
 .if ${BOOTSTRAPPING} < 400000
 _elftoolchain_libs= lib/libelf lib/libdwarf lib/libzstd
 ${_bt}-lib/libelf: ${_bt_m4_depend}

Makefile.libcompat

@@ -3,7 +3,7 @@
 __<${_this:T}>__:
 
 # Makefile for the compatibility libraries.
-# - 32-bit compat libraries on MIPS, PowerPC, and AMD64.
+# - 32-bit compatibility libraries on AMD64.
 
 .include <bsd.compat.mk>
 

UPDATING

@@ -1,5 +1,9 @@
 Updating Information for MidnightBSD users.
 
+20260904:
+	Native MIPS, PowerPC, and sparc64 support has been removed.  Supported
+	architectures are amd64, arm, arm64, i386, and riscv.
+
 20260901:
 	expat 2.8.4 (from 2.8.3).  Fixes CVE-2026-66046 and CVE-2026-76641
 	(quadratic runtime in attribute "isCdata" lookups, letting moderately