[02/19] nonclangable.inc: Add recipe which can not be built with clang

diff --git a/meta/conf/distro/include/nonclangable.inc b/meta/conf/distro/include/nonclangable.inc
new file mode 100644
index 00000000000..bb322447879
--- /dev/null
+++ b/meta/conf/distro/include/nonclangable.inc
@@ -0,0 +1,687 @@ 
+
+TUNE_CCARGS:remove:toolchain-clang = "${@bb.utils.contains('TUNE_FEATURES', 'aarch64', '-mbranch-protection=standard', '', d)}"
+
+# https://github.com/llvm/llvm-project/issues/78337
+TOOLCHAIN:pn-kernel-selftest = "gcc"
+
+# x86_64/musl build fails with
+# gtk4/4.12.5/build/gtk/libgtk-4.so.1: unsupported relocation type 37
+TOOLCHAIN:pn-gtk4:libc-musl:x86-64 = "gcc"
+
+TOOLCHAIN:pn-cpufrequtils = "gcc"
+
+TOOLCHAIN:pn-grub:genericx86-64 = "gcc"
+# | grub-mkimage: error: relocation 0x2b is not implemented yet.
+TOOLCHAIN:pn-grub-efi:aarch64 = "gcc"
+TOOLCHAIN:pn-grub-efi:riscv32 = "gcc"
+# clang-15 crashes
+TOOLCHAIN:pn-grub-efi:riscv64 = "gcc"
+TOOLCHAIN:pn-grub:riscv64 = "gcc"
+# | build-grub-module-verifier: error: search_label: unsupported relocation 0x108.
+TOOLCHAIN:pn-grub:aarch64 = "gcc"
+# crash embeds version of gdb which is not buildable with clang
+TOOLCHAIN:pn-crash = "gcc"
+# See https://github.com/llvm/llvm-project/issues/71925
+LIBCPLUSPLUS:pn-elfutils:toolchain-clang = "-stdlib=libstdc++"
+#| erl_bits.c:(.text+0xc2a): undefined reference to `__extendhfsf2'
+#| erl_bits.c:(.text+0x1bfa): undefined reference to `__truncsfhf2'
+#| clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+# both riscv64 and x86-64
+TOOLCHAIN:pn-erlang = "gcc"
+
+# /mnt/a/yoe/build/tmp/work/cortexa7t2hf-neon-vfpv4-yoe-linux-gnueabi/firefox/60.1.0esr-r0/recipe-sysroot-native/usr/lib/clang/7.0.1/include/arm_neon.h:433:1: error: unknown type name 'inline'
+# __ai uint8x16_t vabdq_u8(uint8x16_t __p0, uint8x16_t __p1) {
+TOOLCHAIN:pn-firefox = "gcc"
+TOOLCHAIN:pn-gcc = "gcc"
+TOOLCHAIN:pn-gcc-runtime = "gcc"
+TOOLCHAIN:pn-gcc-sanitizers = "gcc"
+TOOLCHAIN:pn-glibc = "gcc"
+TOOLCHAIN:pn-glibc-initial = "gcc"
+TOOLCHAIN:pn-glibc-locale = "gcc"
+TOOLCHAIN:pn-glibc-mtrace = "gcc"
+TOOLCHAIN:pn-glibc-scripts = "gcc"
+TOOLCHAIN:pn-glibc-testsuite = "gcc"
+TOOLCHAIN:pn-glibc-y2038-tests = "gcc"
+
+#| prelink-rtld: error while loading shared libraries: ld.so.1
+#| /lib64/ld.so.1: No such file or directory
+TOOLCHAIN:pn-gobject-intospection:mips64 = "gcc"
+TOOLCHAIN:pn-avahi:mips64 = "gcc"
+
+# VLAs
+#| control.c:286:19: error: fields must have a constant size: 'variable length array in structure' extension will never be supported
+#|             __u32 buffer[cam->max_response_quads];
+#|                   ^
+#| 1 error generated.
+TOOLCHAIN:pn-libdc1394 = "gcc"
+
+# error: return address can be determined only for current frame
+TOOLCHAIN:pn-libexecinfo:mipsarch = "gcc"
+TOOLCHAIN:pn-libgcc = "gcc"
+TOOLCHAIN:pn-libgcc-initial = "gcc"
+TOOLCHAIN:pn-libgfortran = "gcc"
+TOOLCHAIN:pn-libssp-nonshared = "gcc"
+
+TOOLCHAIN:pn-m4:powerpc = "gcc"
+# clang does not have 64bit atomics on ppc
+TOOLCHAIN:pn-mesa:powerpc = "gcc"
+# clang fails with db.c:(.text+0x188): unsupported bss-plt -fPIC ifunc mmio_write64_be
+TOOLCHAIN:pn-rdma-core:powerpc = "gcc"
+# usermode qemu crashes when running binaries from clang + rust compiler on ppc32
+TOOLCHAIN:pn-librsvg:powerpc = "gcc"
+# variant-impl.hpp:309:36: error: 'is_variant' does not name a template but is followed by template arguments
+TOOLCHAIN:pn-omxplayer = "gcc"
+# error: return address can be determined only for current frame
+TOOLCHAIN:pn-openflow:mipsarch = "gcc"
+TOOLCHAIN:pn-openjdk-8 = "gcc"
+TOOLCHAIN:pn-openjre-8 = "gcc"
+TOOLCHAIN:pn-syslinux = "gcc"
+TOOLCHAIN:pn-systemtap = "gcc"
+# v4l-utils uses nested functions
+TOOLCHAIN:pn-v4l-utils = "gcc"
+# https://bugs.kde.org/show_bug.cgi?id=369723
+TOOLCHAIN:pn-valgrind = "gcc"
+
+TOOLCHAIN:pn-vboxguestdrivers = "gcc"
+# uses C++ which clang does not like
+TOOLCHAIN:pn-wvstreams = "gcc"
+TOOLCHAIN:pn-wvdial = "gcc"
+#
+#../../lib/libicui18n.so: undefined reference to `__atomic_fetch_sub_4'
+#../../lib/libicui18n.so: undefined reference to `__atomic_load_4'
+#../../lib/libicui18n.so: undefined reference to `__atomic_store_4'
+#../../lib/libicui18n.so: undefined reference to `__atomic_fetch_add_4'
+#
+TOOLCHAIN:pn-icu:armv4 = "gcc"
+TOOLCHAIN:pn-icu:armv5 = "gcc"
+
+#../../libgcrypt-1.6.5/mpi/mpih-div.c:98:3: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
+TOOLCHAIN:pn-libgcrypt:mips64 = "gcc"
+
+#recipe-sysroot/usr/include/mozjs-60/mozilla/Span.h:634:5: error: statement not allowed in constexpr function
+#|     MOZ_RELEASE_ASSERT(aStart <= len && (aLength == dynamic_extent ||
+#|     ^
+TOOLCHAIN:pn-polkit = "gcc"
+
+# ppp uses nested functions and gcc specific option e.g. --print-sysroot
+#
+TOOLCHAIN:pn-ppp = "gcc"
+
+#| ./ports/linux/pseudo_wrappers.c:80:14: error: use of unknown builtin '__builtin_apply' [-Wimplicit-function-declaration]
+#|         void *res = __builtin_apply((void (*)()) real_syscall, __builtin_apply_args(), sizeof(long) * 7);
+#|                     ^
+#| ./ports/linux/pseudo_wrappers.c:80:57: error: use of unknown builtin '__builtin_apply_args' [-Wimplicit-function-declaration]
+#|         void *res = __builtin_apply((void (*)()) real_syscall, __builtin_apply_args(), sizeof(long) * 7);
+TOOLCHAIN:pn-pseudo = "gcc"
+
+# mix_neon.c:179:9: error: invalid operand in inline asm: 'vld1.s32 ${0:h}, [$2]
+#      vld1.s32 ${1:h}, [$3] '
+TOOLCHAIN:pn-pulseaudio:armv7ve = "gcc"
+TOOLCHAIN:pn-pulseaudio:armv7a = "gcc"
+
+#| ./dsp/v4f_IIR2.h:554:12: error: no matching function for call to 'v4f_map'
+#|                                 a[5] = v4f_map<__builtin_cosf> (f);
+#|                                        ^~~~~~~~~~~~~~~~~~~~~~~
+TOOLCHAIN:pn-caps = "gcc"
+
+#| ../libffi-3.3-rc0/src/arm/sysv.S: Assembler messages:
+#| ../libffi-3.3-rc0/src/arm/sysv.S:131: Error: selected processor does not support `vldrle d0,[sp]' in ARM mode
+#| ../libffi-3.3-rc0/src/arm/sysv.S:132: Error: selected processor does not support `vldmgt sp,{d0-d7}' in ARM mode
+TOOLCHAIN:pn-libffi:armeb = "gcc"
+
+# rocksdb/rocksdb/util/crc32c_ppc_asm.S:9:10: fatal error: 'ppc-asm.h' file not found
+# #include <ppc-asm.h>
+# This header is only available with gcc-cross
+TOOLCHAIN:pn-mariadb:powerpc64le = "gcc"
+
+# OpenCV does not compile for ppc64 with clang due to VSX clashes with altivec.h from clang
+TOOLCHAIN:pn-opencv:powerpc64le = "gcc"
+# Ade is used by openCV and shared C++ runtime so we can not mix libstdc++ and libc++
+TOOLCHAIN:pn-ade:powerpc64le = "gcc"
+
+#| error: return address can be determined only for current frame
+#| error: return address can be determined only for current frame
+#| error: return address can be determined only for current frame
+TOOLCHAIN:pn-gcompat:mips = "gcc"
+
+# Fixes Clang induced linker crashes when using glibc 2.35+
+# mips-yoe-linux/mips-yoe-linux-ld: DWARF error: invalid or unhandled FORM value: 0x22
+# mips-yoe-linux-ld: Zend/asm/make_mips32_o32_elf_gas.o: CALL16 reloc at 0x28 not against global symbol
+# mips-yoe-linux/mips-yoe-linux-ld: BFD (GNU Binutils) 2.37.20210721 assertion fail ../../bfd/elfxx-mips.c:3614
+TOOLCHAIN:pn-php:mips = "gcc"
+
+# Workaround oe-core patching problem temporarily
+TOOLCHAIN:pn-rsync = "gcc"
+
+TOOLCHAIN:pn-u-boot-at91 = "gcc"
+TOOLCHAIN:pn-u-boot-fslc-mfgtool = "gcc"
+TOOLCHAIN:pn-u-boot-fslc-mxsboot = "gcc"
+TOOLCHAIN:pn-u-boot-fslc = "gcc"
+TOOLCHAIN:pn-u-boot-imx-mfgtool = "gcc"
+TOOLCHAIN:pn-u-boot-imx = "gcc"
+TOOLCHAIN:pn-u-boot-qoriq = "gcc"
+TOOLCHAIN:pn-u-boot-boundary = "gcc"
+TOOLCHAIN:pn-u-boot-script-boundary = "gcc"
+TOOLCHAIN:pn-u-boot-script-qoriq = "gcc"
+TOOLCHAIN:pn-u-boot-script-toradex = "gcc"
+TOOLCHAIN:pn-u-boot-kontron = "gcc"
+TOOLCHAIN:pn-u-boot-variscite = "gcc"
+TOOLCHAIN:pn-u-boot-toradex = "gcc"
+TOOLCHAIN:pn-u-boot-hardkernel = "gcc"
+TOOLCHAIN:pn-u-boot-starfive = "gcc"
+TOOLCHAIN:pn-u-boot-hardkernel = "gcc"
+TOOLCHAIN:pn-u-boot-nezha = "gcc"
+TOOLCHAIN:pn-u-boot-ti-mainline = "gcc"
+TOOLCHAIN:pn-u-boot-ti-staging = "gcc"
+TOOLCHAIN:pn-u-boot-splash = "gcc"
+TOOLCHAIN:pn-u-boot-coral = "gcc"
+
+# See https://github.com/kraj/meta-clang/issues/696
+TOOLCHAIN:pn-pixman:aarch64 = "gcc"
+# libomp needs to link in libatomic after itself when -fopenmp is used
+TOOLCHAIN:pn-pixman:mipsarcho32 = "gcc"
+# See https://github.com/llvm/llvm-project/issues/61412
+TOOLCHAIN:pn-frr:riscv64 = "gcc"
+TOOLCHAIN:pn-frr:riscv32 = "gcc"
+
+# Tegra stuff
+TOOLCHAIN:pn-standalone-mm-optee-tegra:tegra = "gcc"
+TOOLCHAIN:pn-edk2-firmware-tegra:tegra = "gcc"
+TOOLCHAIN:pn-optee-os-tadevkit:tegra = "gcc"
+TOOLCHAIN:pn-optee-nvsamples:tegra = "gcc"
+TOOLCHAIN:pn-optee-os:tegra = "gcc"
+TOOLCHAIN:pn-libgcc-for-nvcc:tegra = "gcc"
+TOOLCHAIN:pn-gcc-for-nvcc-runtime:tegra = "gcc"
+
+# Does not compile with clang 18
+#| core/arch/arm/include/arm64.h:392:1: error: expected writable system register or pstate
+#|   392 | DEFINE_U32_REG_READWRITE_FUNCS(fpcr)
+#|       | ^
+TOOLCHAIN:pn-optee-os:imx-nxp-bsp = "gcc"
+
+# Fails with clang-19+
+# Poco/PriorityDelegate.h:203:10: error: no member named '_pTarget' in 'PriorityDelegate<type-parameter-0-0, void, true>'
+TOOLCHAIN:pn-poco = "gcc"
+TOOLCHAIN:pn-netdata = "gcc"
+# Needs OMP and with clang openmp is not ported to rv32 yet
+TOOLCHAIN:pn-python3-drgn:riscv32 = "gcc"
+
+CFLAGS:append:pn-liboil:toolchain-clang:x86-64 = " -fheinous-gnu-extensions "
+
+# TOPDIR/build/tmp/work/core2-32-yoe-linux/gnu-efi/3.0.17-r0/gnu-efi-3.0.17//lib/ctors.S:11:41: error: expected the entry size
+# .section .init_array, "aM", @init_array
+#                                        ^
+CFLAGS:append:pn-gnu-efi:toolchain-clang = " -no-integrated-as"
+
+#../libffi-3.2.1/src/arm/sysv.S:363:2: error: invalid instruction, did you mean: fldmiax?
+# fldmiadgt ip, {d0-d7}
+CFLAGS:append:pn-libffi:mips64:toolchain-clang = " -no-integrated-as"
+
+# ../db-5.3.28/src/mutex/mut_tas.c:150:34: error: unknown directive
+#<inline asm>:9:2: note: instantiated into assembly here
+# .force_thumb
+#        ^
+#CFLAGS:append:pn-db:toolchain-clang = " -no-integrated-as"
+#
+#| ../../../DirectFB-1.7.7/lib/direct/armasm_memcpy.S:63:2: error: invalid instruction
+#|  ldmgeia r1!, {r3, r4, r12, lr}
+#|  ^
+CFLAGS:append:pn-directfb:toolchain-clang:arm = " -no-integrated-as"
+
+#| threads_pthread.c:(.text+0x372): undefined reference to `__atomic_is_lock_free'
+EXTRA_OECONF:pn-openssl:toolchain-clang:x86 = "-latomic"
+
+CFLAGS:append:pn-userland:toolchain-clang = " -no-integrated-as"
+
+# libjpeg-turbo-2.0.2/simd/mips/jsimd_dspr2.S
+# <instantiation>:13:5: error: invalid token in expression
+# .if $17 != 0
+# ^
+CFLAGS:append:pn-libjpeg-turbo:toolchain-clang:mipsarch = " -no-integrated-as"
+
+#| /tmp/x86-sse2-cdb148.s:207:9: error: ambiguous operand size for instruction 'sub'
+#|     sub SIZE, 64
+#|         ^~~~
+CFLAGS:append:pn-tinymembench:toolchain-clang:x86-64 = " -no-integrated-as"
+CFLAGS:append:pn-tinymembench:toolchain-clang:x86 = " -no-integrated-as"
+CFLAGS:append:pn-tinymembench:toolchain-clang:mipsarch = " -no-integrated-as"
+
+CFLAGS:append:pn-ne10:toolchain-clang:arm = " -no-integrated-as"
+CFLAGS:append:pn-libde265:toolchain-clang:arm = " -no-integrated-as"
+
+#2816:2: error: changed section type for .debug_frame, expected: 0x7000001E
+# .section .debug_frame,"",@progbits
+# ^
+#lj_vm.S:2890:2: error: changed section flags for .eh_frame, expected: 0x2
+# .section .eh_frame,"aw",@progbits
+# ^
+CFLAGS:append:pn-luajit:toolchain-clang:mips = " -no-integrated-as"
+
+# uftrace/0.15.2/git/arch/aarch64/dynamic.S:92:2: error: instruction requires: fp-armv8
+CFLAGS:append:pn-uftrace:toolchain-clang:aarch64 = " -no-integrated-as"
+
+#FAILED: libucontext_posix.so.1
+#clang-13: error: unable to execute command: Segmentation fault (core dumped)
+#clang-13: error: linker command failed due to signal (use -v to see invocation)
+CFLAGS:append:pn-libucontext:toolchain-clang:powerpc64le = " -no-integrated-as"
+
+# Generated asm file can not be compiled with clang assembler due to presence of .0 label
+# and its references
+#| aes-decrypt-internal-2.s:368:1: error: unexpected token at start of statement
+#| .0:
+#| ^
+CFLAGS:append:pn-nettle:toolchain-clang:powerpc64le = " -no-integrated-as"
+
+# include/gcc/arm/ck_pr.h:201:1: error: instruction requires: arm-mode
+#| CK_PR_DOUBLE_STORE(uint64_t, 64)
+#| ^
+#include/gcc/arm/ck_pr.h:192:6: note: expanded from macro 'CK_PR_DOUBLE_STORE'
+#|                          "strexd        %1, %3, [%2]\n"         \
+#|                           ^
+CFLAGS:append:pn-concurrencykit:toolchain-clang:arm = " -no-integrated-as"
+CFLAGS:append:pn-sysbench:toolchain-clang:arm = " -no-integrated-as"
+#error: expected absolute expression
+#.elseif (bpp == 24) && (numpix == 8)
+#        ^
+#<instantiation>:50:5: note: while in macro instantiation
+#    pixld chunk_size, mask_bpp, mask_basereg, MASK
+#    ^
+CFLAGS:append:pn-qtbase:toolchain-clang:arm = " -no-integrated-as"
+
+#../git/common/connection.c:154:55: error: comparison of integers of different signs: 'unsigned long' and 'int' [-Werror,-Wsign-compare]
+#        for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; cmsg = CMSG_NXTHDR(msg, cmsg)) {
+#                                                             ^~~~~~~~~~~~~~~~~~~~~~
+CFLAGS:append:pn-seatd:toolchain-clang = " -Wno-sign-compare"
+
+# -fno-tree-vrp is gcc specific
+CXXFLAGS:remove:pn-mozjs:toolchain-clang = "-fno-tree-vrp"
+CFLAGS:remove:pn-mozjs:toolchain-clang = "-fno-tree-vrp"
+
+CFLAGS:append:pn-ffmpeg:riscv64 = " -march=rv64gczbb"
+CFLAGS:append:pn-ffmpeg:riscv32 = " -march=rv32gczbb"
+
+# python3-lxml_5.0.0 onwards need this option with clang until the functions are fixes
+# | src/lxml/etree.c:246911:63: error: incompatible function pointer types passing 'void (void *, const xmlError *)' (aka 'void (void *, const struct _xmlError *)') to parameter of type 'xmlStructuredErrorFunc' (aka 'void (*
+#)(void *, struct _xmlError *)') [-Wincompatible-function-pointer-types]
+#|  246911 |     xmlSchematronSetValidStructuredErrors(__pyx_v_valid_ctxt, __pyx_f_4lxml_5etree__receiveError, ((void *)__pyx_v_self->__pyx_base._error_log));
+#|         |                                                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+CFLAGS:append:pn-python3-lxml:toolchain-clang = " -Wno-error=incompatible-function-pointer-types"
+# https://lists.openembedded.org/g/openembedded-devel/topic/103542151#108198
+CFLAGS:append:pn-python3-kivy:toolchain-clang = " -Wno-error=incompatible-function-pointer-types"
+
+# otherwise systemd efi fails to build
+# error: the 'sse' unit is not supported with this instruction set
+TUNE_CCARGS:remove:pn-systemd:toolchain-clang = "-mfpmath=sse"
+TUNE_CCARGS:remove:pn-systemd-boot:toolchain-clang = "-mfpmath=sse"
+
+TUNE_CCARGS:remove:pn-omxplayer:toolchain-clang = "-no-integrated-as"
+TUNE_CCARGS:remove:pn-nfs-utils:toolchain-clang = "-Qunused-arguments"
+
+# We want to error out when -msse option is used otherwise it enables sse on non-x86 arches
+TUNE_CCARGS:remove:pn-pipewire:toolchain-clang = "-Qunused-arguments"
+TUNE_CCARGS:remove:pn-tesseract:toolchain-clang = "-Qunused-arguments"
+TUNE_CCARGS:remove:pn-pulseaudio:toolchain-clang = "-Qunused-arguments"
+TUNE_CCARGS:remove:pn-btrfs-tools:toolchain-clang = "-Qunused-arguments"
+TUNE_CCARGS:append:pn-btrfs-tools:toolchain-clang = " -Werror=unused-command-line-argument"
+
+# Disable altivec on ppc32
+#/usr/include/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h:1345:32: error: use of undeclared identifier 'vec_sqrt'; did you mean 'vec_rsqrt'?
+#  BF16_TO_F32_UNARY_OP_WRAPPER(vec_sqrt, a);
+#                               ^~~~~~~~
+#                               vec_rsqrt
+TUNE_CCARGS:append:pn-ceres-solver:toolchain-clang:powerpc = " -mno-altivec"
+TUNE_CCARGS:append:pn-opencv:toolchain-clang:powerpc = " -mno-altivec"
+CXXFLAGS:append:pn-libeigen:toolchain-clang:powerpc = " -DEIGEN_ALTIVEC_DISABLE_MMA"
+
+# external/amber/src/src/amber.cc:53:41: error: unsafe pointer arithmetic [-Werror,-Wunsafe-buffer-usage]
+# vk-wrappers-1-0.inc:74:34: error: cast from 'PFN_vkVoidFunction' (aka 'void (*)()') to 'PFN_vkCmdEndRenderPass'
+# (aka 'void (*)(VkCommandBuffer_T *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
+CXXFLAGS:append:pn-opengl-es-cts:toolchain-clang = " -Wno-error=unsafe-buffer-usage -Wno-error=cast-function-type-strict"
+CXXFLAGS:append:pn-vulkan-cts:toolchain-clang = " -Wno-error=unsafe-buffer-usage -Wno-error=cast-function-type-strict"
+# Wno-error=overriding-option needed with clang-20
+# see https://github.com/jtv/libpqxx/issues/738 for deprecated-declarations ( not needed with clang19+ )
+CXXFLAGS:append:pn-vulkan-samples:toolchain-clang = " -Wno-error=overriding-option -Wno-error=deprecated-declarations"
+# Workaround for https://gitlab.gnome.org/GNOME/gtk/-/issues/6033
+CFLAGS:append:pn-gtk4:toolchain-clang = " -Wno-error=int-conversion"
+
+# usr/include/glib-2.0/glib/glib-autocleanups.h:49:1: error: cast from 'void (*)(void)' to 'GDestroyNotify'
+# (aka 'void (*)(void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
+CFLAGS:append:pn-pidgin-sipe:toolchain-clang = " -Wno-error=cast-function-type-strict"
+
+# 32bit builds of nodejs needs this warning to be disabled with clang16 until
+# v8 engine in nodejs moved beyong this commit
+# https://github.com/v8/v8/commit/d15d49b09dc7aef9edcc4cf6a0cb2b77a0db203f
+CXXFLAGS:append:pn-nodejs:toolchain-clang = " -Wno-error=enum-constexpr-conversion"
+# deps/TinyDeflate/gunzip.hh:1144:35: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
+CXXFLAGS:append:pn-doxygen:toolchain-clang = " -Wno-error=missing-template-arg-list-after-template-kw"
+
+#| /usr/src/debug/ruby/2.5.1-r0/build/../ruby-2.5.1/process.c:7073: undefined reference to `__mulodi4'
+#| clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
+COMPILER_RT:pn-ruby:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-python3:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-m4:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-cpio:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-openssh:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-webkitgtk:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-wpewebkit:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-python3-numpy:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:pn-mongodb:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"
+COMPILER_RT:remove:pn-m4:powerpc = "-rtlib=compiler-rt"
+COMPILER_RT:remove:pn-ruby:powerpc = "-rtlib=compiler-rt"
+COMPILER_RT:remove:pn-webkitgtk:powerpc = "-rtlib=compiler-rt"
+COMPILER_RT:remove:pn-m4:armeb = "-rtlib=compiler-rt"
+COMPILER_RT:remove:pn-ruby:armeb = "-rtlib=compiler-rt"
+COMPILER_RT:remove:pn-webkitgtk:armeb = "-rtlib=compiler-rt"
+# build/lib/libQt5Widgets.so: undefined reference to `__lshrti3'
+# __lshrti3 is missing in libgcc
+COMPILER_RT:pn-qtbase:toolchain-clang:riscv32 = "-rtlib=compiler-rt ${UNWINDLIB}"
+
+LDFLAGS:append:pn-qtwebengine:toolchain-clang:runtime-gnu:x86 = " -latomic"
+LDFLAGS:append:pn-qemu:toolchain-clang:x86 = " -latomic"
+# warning: <elfFile> has a LOAD segment with RWX permissions
+LDFLAGS:append:pn-ruby:toolchain-clang:powerpc = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '', ' -Wl,--no-warn-rwx-segment', d)}"
+LDFLAGS:append:pn-cairo:toolchain-clang:powerpc = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '', ' -Wl,--no-warn-rwx-segment', d)}"
+LDFLAGS:append:pn-systemd:toolchain-clang:powerpc = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '', ' -Wl,--no-warn-rwx-segment', d)}"
+
+# glibc is built with gcc and hence encodes some libgcc specific builtins which are not found
+# when doing static linking with clang using compiler-rt, so use libgcc
+# undefined reference to `__unordtf2'
+COMPILER_RT:pn-aufs-util:libc-glibc:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-libhugetlbfs:libc-glibc:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-tsocks:libc-glibc:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-libc-bench:libc-glibc:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-fmt:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-fmt:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-mybw:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-mybw:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-libc-bench:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-mpich:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-aufs-util:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-libhugetlbfs:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-tsocks:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot//usr/lib/libc.a(printf_fp.o): in function `__printf_fp_l':
+# | /usr/src/debug/glibc/2.35-r0/git/stdio-common/printf_fp.c:388: undefined reference to `__unordtf2'
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: /usr/src/debug/glibc/2.35-r0/git/stdio-common/printf_fp.c:388: undefined reference to `__unordtf2'
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: /usr/src/debug/glibc/2.35-r0/git/stdio-common/printf_fp.c:388: undefined reference to `__letf2'
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot//usr/lib/libc.a(printf_fphex.o): in function `__printf_fphex':
+# | /usr/src/debug/glibc/2.35-r0/git/stdio-common/../stdio-common/printf_fphex.c:206: undefined reference to `__unordtf2'
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: /usr/src/debug/glibc/2.35-r0/git/stdio-common/../stdio-common/printf_fphex.c:206: undefined reference to `__unordtf2'
+# | tmp-lmp/work/corei7-64-lmp-linux/ostree/2021.6-r0/recipe-sysroot-native/usr/bin/x86_64-lmp-linux/x86_64-lmp-linux-ld: /usr/src/debug/glibc/2.35-r0/git/stdio-common/../stdio-common/printf_fphex.c:206: undefined reference to `__letf2'
+# | x86_64-lmp-linux-clang -target x86_64-lmp-linux  -m64 -march=nehalem -mtune=generic -mfpmath=sse -msse4.2 -mlittle-endian --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_F
+COMPILER_RT:pn-ostree:libc-glibc:toolchain-clang:x86 = "-rtlib=libgcc --unwindlib=libgcc"
+COMPILER_RT:pn-ostree:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
+
+#(unwind.o): in function `__pthread_unwind':
+#/usr/src/debug/glibc/2.29-r0/git/nptl/unwind.c:121: undefined reference to `_Unwind_ForcedUnwind'
+#clang-8: error: linker command failed with exit code 1 (use -v to see invocation)
+COMPILER_RT:pn-libhugetlbfs:libc-glibc:toolchain-clang:arm = "--unwindlib=libgcc"
+
+# Does not compile with libc++ from clang 17+ anymore see
+# https://github.com/llvm/llvm-project/issues/63743
+LIBCPLUSPLUS:pn-apt:toolchain-clang = "-stdlib=libstdc++"
+
+# All following need to use libstdc++ with clang-19
+# see https://libcxx.llvm.org/ReleaseNotes/19.html#deprecations-and-removals
+LIBCPLUSPLUS:pn-pbzip2:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-nlohmann-json:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-paho-mqtt-cpp:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-poco:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-netdata:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-cpp-netlib:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-cpprest:toolchain-clang = "-stdlib=libstdc++"
+# See https://lists.openembedded.org/g/openembedded-devel/topic/meta_oe_patch_2_3/108964413
+LIBCPLUSPLUS:pn-tomlplusplus:toolchain-clang = "-stdlib=libstdc++"
+LIBCPLUSPLUS:pn-doxygen:toolchain-clang = "-stdlib=libstdc++"
+
+# Uses gcc for native tools, e.g. nsinstall and passes clang options which fails so
+# let same compiler ( gcc or clang) be native/cross compiler
+# | gcc: error: unrecognized command line option ‘-Qunused-arguments’
+BUILD_CC:pn-nss:toolchain-clang = "clang -rtlib=libgcc -unwindlib=none"
+
+# LTO
+# Seems to use symver ASMs see https://stackoverflow.com/questions/46304742/how-to-combine-lto-with-symbol-versioning
+# lib/puny_encode.c:136: multiple definition of `_idn2_punycode_encode'
+LTO:pn-libidn2:toolchain-clang = ""
+
+#libcairo.so: undefined reference to pthread_mutexattr_init [--no-allow-shlib-undefined]
+LTO:pn-cairo:toolchain-clang = ""
+
+# This works with gcc-ranlib wrapper only which expands $@ shell array,
+# but it will fail if RANLIB was set to <cross>-ranlib or
+# <cross>-llvn-ranlib has same behaviour
+RANLIB:append:pn-tcf-agent:toolchain-clang = " $@"
+
+# Subprocess output:mips-yoe-linux-llvm-objcopy: error: Link field value 22 in section .rel.dyn is not a symbol table
+# also seen on riscv64 and x86-64
+OBJCOPY:pn-linux-yocto:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-yocto-dev:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-yocto-rt:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-variscite:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-ti-staging:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-raspberrypi:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-starfive-dev:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-nezha-dev:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-hardkernel:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-imx:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-fslc:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-fslc-imx:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-fslc-lts:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-at91:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-linaro-qcomlt:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-linux-intel:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# see https://github.com/llvm/llvm-project/issues/53948
+OBJCOPY:pn-opensbi:toolchain-clang = "${HOST_PREFIX}objcopy"
+OBJCOPY:pn-libc-bench:toolchain-clang = "${HOST_PREFIX}objcopy"
+STRIP:pn-libc-bench:toolchain-clang = "${HOST_PREFIX}strip"
+OBJCOPY:pn-aufs-util:toolchain-clang = "${HOST_PREFIX}objcopy"
+STRIP:pn-aufs-util:toolchain-clang = "${HOST_PREFIX}strip"
+
+# Depend on GNU objcopy option missing in llvm-objcopy
+# llvm-objcopy: error: unknown argument '--section-alignment=512'
+OBJCOPY:pn-systemd-boot:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# See https://github.com/llvm/llvm-project/issues/53999
+STRIP:pn-go-helloworld:mips:toolchain-clang = "${HOST_PREFIX}strip"
+OBJCOPY:pn-go-helloworld:mips:toolchain-clang = "${HOST_PREFIX}objcopy"
+STRIP:pn-gosu:mips:toolchain-clang = "${HOST_PREFIX}strip"
+OBJCOPY:pn-gosu:mips:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# e.g. mips-yoe-linux-llvm-objcopy: error: Link field value 42 in section .rel.dyn is not a symbol table
+# e.g. aarch64-yoe-linux-llvm-objcopy: error: Link field value 35 in section .rela.plt is not a symbol table
+OBJCOPY:pn-mybw:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# Fails with llvm strip
+# i686-yoe-linux-llvm-strip: error: SHT_STRTAB string table section [index 9] is non-null terminated
+STRIP:pn-minio:toolchain-clang = "${HOST_PREFIX}strip"
+OBJCOPY:pn-minio:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# | aarch64-yoe-linux-llvm-objcopy: error: invalid output format: 'efi-app-aarch64'
+OBJCOPY:pn-gnu-efi:toolchain-clang = "${HOST_PREFIX}objcopy"
+
+# see https://github.com/llvm/llvm-project/issues/54213
+# Generates a bad libbsd.so linker stub and apps like bluelsa, mg, netcat-openbsd, android-tools
+# fails to link with libbsd
+OBJDUMP:pn-libbsd:mips:toolchain-clang = "${HOST_PREFIX}objdump"
+
+# With clang/lld it builds objects which gnu strip complains about
+# riscv64-yoe-linux-strip: /mnt/b/yoe/master/build/tmp/work/riscv64-yoe-linux/python3-matplotlib/3.5.3-r0/package/usr/lib/python3.10/site-packages/matplotlib/stTcyupd: not enough room for program headers, try linking with -N
+STRIP:pn-python3-matplotlib:toolchain-clang:riscv64 = "${HOST_PREFIX}llvm-strip"
+STRIP:pn-python3-matplotlib:toolchain-clang:riscv32 = "${HOST_PREFIX}llvm-strip"
+
+# Need OBJDUMP during do_package_qa which is set to llvm-objdump with meta-clang
+# it might work with GNU objdump since it falls back to one from build host
+DEPENDS:append:pn-linux-firmware:toolchain-clang = " clang-native"
+
+# Needs for solving fopenmp issues
+DEPENDS:append:pn-pixman:mips:toolchain-clang = " openmp"
+#| ../pixman-0.40.0/pixman/pixman-arm-neon-asm.S:3625:1: note: while in macro instantiation
+#| generate_bilinear_scanline_func pixman_scaled_bilinear_scanline_0565_0565_SRC_asm_neon, 0565, 0565, 1, 1, 28, BILINEAR_FLAG_UNROLL_4
+#| ^
+#| <instantiation>:134:1: error: unknown directive
+#| .endfunc
+#| ^
+CFLAGS:append:pn-pixman:arm:toolchain-clang = " -no-integrated-as"
+# <instantiation>:98:23: error: operand must be e[8|16|32|64|128|256|512|1024],m[1|2|4|8|f2|f4|f8],[ta|tu],[ma|mu]
+#  vsetvli zero, zero, e16, m1
+CFLAGS:append:pn-dav1d:riscv64:toolchain-clang = " -no-integrated-as"
+
+# test_connectx segfaults with this option set to -fstack-protector-strong
+SECURITY_STACK_PROTECTOR:pn-lksctp-tools:toolchain-clang = ""
+
+# ERROR: babeltrace2-2.0.5-r0 do_package_qa: QA Issue: babeltrace2: ELF binary /usr/lib/babeltrace2/plugins/babeltrace-plugin-ctf.so has relocations in .text
+INSANE_SKIP:append:pn-babeltrace2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' textrel', '', d)}"
+
+LDFLAGS:append:pn-libidn2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-alsa-lib:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libmd:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libbsd:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-slang:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libgcrypt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libxml2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-binutils:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnss-mdns:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-pulseaudio:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-mesa:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-mesa-gl:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-mesa-pvr:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnsl2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnl:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnftnl:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libtirpc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-ndctl:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+
+LDFLAGS:append:pn-zlib:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd -Wl,--undefined-version', '', d)}"
+LDFLAGS:remove:pn-zlib:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+
+LDFLAGS:append:pn-qtbase:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+# | aarch64-yoe-linux-ld.lld: error: version script assignment of 'Qt_6.5' to symbol 'qt_version_tag' failed: symbol not defined
+LDFLAGS:append:pn-qtlanguageserver:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtserialport:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtimageformats:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtnetworkauth:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtsvg:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtshadertools:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtdeclarative:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtserialbus:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtwebsockets:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtlottie:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtspeech:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtcoap:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtsensors:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtquickdesigner-components:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtquicktimeline:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qt5compat:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qt3d:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtvirtualkeyboard:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtscxml:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtpositioning:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtdatavis3d:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtremoteobjects:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtopcua:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtcharts:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtconnectivity:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtwayland:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtgrpc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qthttpserver:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtmqtt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtwebchannel:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtquick3d:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtlocation:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtwebengine:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtwebview:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtmultimedia:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtquick3dphysics:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtinterfaceframework:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qttools:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtdeviceutilities:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-qtpdf:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libxcrypt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-popt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-json-c:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libtalloc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libdevmapper:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libtdb:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libtevent:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-cryptsetup:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libgphoto2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libxklavier:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-lame:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-keyutils:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libcdio:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libva:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libbpf:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-npth:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-tbb:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-corosync:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnetfilter-cttimeout:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-fuse3:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-tremor:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-flashrom:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-ipset:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-rdma-core:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-apitrace:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libkcapi:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-gtk-vnc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnss-nis:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libva-initial:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-dante:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-basu:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-passwdqc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-pcp:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-multipath-tools:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-renderdoc:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libldb:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-samba:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libnvme:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-gnu-efi:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libffi:x86:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libffi:arm:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-elfutils:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-pmdk:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-libcgroup:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld sysvinit', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-kernel-selftest:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-openldap:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-liburing:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-frame:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+# | x86_64-yoe-linux-musl-ld.lld: error: version script assignment of 'global' to symbol 'pam_sm_chauthtok' failed: symbol not defined
+LDFLAGS:append:pn-wtmpdb:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+# arm-yoe-linux-gnueabi-ld.lld: error: version script assignment of 'global' to symbol 'pam_sm_chauthtok' failed: symbol not defined
+LDFLAGS:append:pn-util-linux:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+LDFLAGS:append:pn-util-linux-libuuid:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -Wl,--undefined-version', '', d)}"
+TUNE_CCARGS:remove:pn-kernel-selftest:toolchain-clang = "-mfpmath=sse"
+
+# Avoid's go linker crash as reported in https://github.com/golang/go/issues/61872
+# it happens when libstd.so is linked with lld for aarch64
+LDFLAGS:append:pn-go-runtime:toolchain-clang:aarch64 = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+LDFLAGS:remove:pn-go-runtime:toolchain-clang:aarch64 = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+LDFLAGS:append:pn-go-runtime:toolchain-clang:x86-64 = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+LDFLAGS:remove:pn-go-runtime:toolchain-clang:x86-64 = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+# See https://github.com/llvm/llvm-project/issues/65017
+LDFLAGS:append:pn-libfaketime:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+LDFLAGS:remove:pn-libfaketime:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+# arm-yoe-linux-gnueabi-ld.lld: error: version script assignment of 'global' to symbol 'readdir' failed: symbol not defined
+#| arm-yoe-linux-gnueabi-ld.lld: error: version script assignment of 'global' to symbol 'readdir_r' failed: symbol not defined
+#| arm-yoe-linux-gnueabi-clang: error: linker command failed with exit code 1 (use -v to see invocation) 
+LDFLAGS:append:pn-aufs-util:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+LDFLAGS:remove:pn-aufs-util:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+# | arm-yoe-linux-gnueabi-ld.lld: error: version script assignment of 'global' to symbol 'pam_sm_chauthtok' failed: symbol not defined
+LDFLAGS:append:pn-lastlog2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+LDFLAGS:remove:pn-lastlog2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+LDFLAGS:remove:pn-python3-bcrypt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld ptest', '-fuse-ld=lld', '', d)}"
+LDFLAGS:remove:pn-bluez5:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
+LDFLAGS:append:pn-bluez5:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
+
+LD:pn-gnu-efi:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '${HOST_PREFIX}ld.bfd${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}', '${HOST_PREFIX}ld${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}', d)}"
+LD:pn-libhugetlbfs:toolchain-clang = "${HOST_PREFIX}ld.bfd${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}"
+LD:pn-libunix-statgrab:toolchain-clang = "${CC}"
+
+TOOLCHAIN:pn-perf = "gcc"
+
+# See https://github.com/llvm/llvm-project/issues/108262
+SELECTED_OPTIMIZATION:remove:pn-libjxl:arm:toolchain-clang = "-O2"
+SELECTED_OPTIMIZATION:append:pn-libjxl:arm:toolchain-clang = " -Og"
+
+# qemu usermode crashes when using clang as system compiler but works with gcc
+# see https://patchwork.yoctoproject.org/project/oe-core/patch/20240923234336.3978188-1-raj.khem@gmail.com/
+GI_DATA_ENABLED:pn-vte:toolchain-clang:armv7ve = "False"