#babeltrace2: ELF binary /usr/lib/babeltrace2/plugins/babeltrace-plugin-text.so has relocations in .text [textrel]
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TOOLCHAIN:pn-babeltrace2 = "gcc"
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TOOLCHAIN:pn-u-boot = "gcc"
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TOOLCHAIN:pn-cpufrequtils = "gcc"
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# crash embeds version of gdb which is not buildable with clang
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TOOLCHAIN:pn-crash = "gcc"
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TOOLCHAIN:pn-elfutils = "gcc"
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# /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'
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# __ai uint8x16_t vabdq_u8(uint8x16_t __p0, uint8x16_t __p1) {
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TOOLCHAIN:pn-firefox = "gcc"
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TOOLCHAIN:pn-gcc = "gcc"
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TOOLCHAIN:pn-gcc-runtime = "gcc"
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TOOLCHAIN:pn-gcc-sanitizers = "gcc"
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TOOLCHAIN:pn-glibc = "gcc"
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TOOLCHAIN:pn-glibc-initial = "gcc"
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TOOLCHAIN:pn-glibc-locale = "gcc"
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TOOLCHAIN:pn-glibc-mtrace = "gcc"
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TOOLCHAIN:pn-glibc-scripts = "gcc"
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TOOLCHAIN:pn-glibc-testsuite = "gcc"
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TOOLCHAIN:pn-grub = "gcc"
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TOOLCHAIN:pn-grub-efi = "gcc"
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|
#| prelink-rtld: error while loading shared libraries: ld.so.1
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#| /lib64/ld.so.1: No such file or directory
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TOOLCHAIN:pn-gobject-intospection:mips64 = "gcc"
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TOOLCHAIN:pn-avahi:mips64 = "gcc"
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|
# VLAs
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#| control.c:286:19: error: fields must have a constant size: 'variable length array in structure' extension will never be supported
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#| __u32 buffer[cam->max_response_quads];
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#| ^
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#| 1 error generated.
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TOOLCHAIN:pn-libdc1394 = "gcc"
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# error: return address can be determined only for current frame
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TOOLCHAIN:pn-libexecinfo:mipsarch = "gcc"
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TOOLCHAIN:pn-libgcc = "gcc"
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TOOLCHAIN:pn-libgcc-initial = "gcc"
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TOOLCHAIN:pn-libgfortran = "gcc"
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TOOLCHAIN:pn-libssp-nonshared = "gcc"
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|
# ell 0.39 introduced nested functions sadly
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TOOLCHAIN:pn-ell = "gcc"
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# iwd 1.13 introduced nested functions sadly
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TOOLCHAIN:pn-iwd = "gcc"
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#| cargo:warning=/mnt/a/yoe/build/tmp/work/cortexa7t2hf-neon-vfpv4-yoe-linux-gnueabi/libstd-rs/1.27.1-r0/re
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#cipe-sysroot/usr/include/bits/stdlib.h:90:3: error: "Assumed value of MB_LEN_MAX wrong"
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#| cargo:warning=# error "Assumed value of MB_LEN_MAX wrong"
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#| cargo:warning= ^
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TOOLCHAIN:pn-libstd-rs = "gcc"
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TOOLCHAIN:pn-m4:powerpc = "gcc"
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# clang does not have 64bit atomics on mips32
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#TOOLCHAIN:pn-mesa:mips = "gcc"
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#TOOLCHAIN:pn-mesa:mipsel = "gcc"
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TOOLCHAIN:pn-mesa:riscv64 = "gcc"
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TOOLCHAIN:pn-mesa:powerpc = "gcc"
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# variant-impl.hpp:309:36: error: 'is_variant' does not name a template but is followed by template arguments
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TOOLCHAIN:pn-omxplayer = "gcc"
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# error: return address can be determined only for current frame
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TOOLCHAIN:pn-openflow:mipsarch = "gcc"
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TOOLCHAIN:pn-opensbi = "gcc"
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TOOLCHAIN:pn-openjdk-8 = "gcc"
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TOOLCHAIN:pn-openjre-8 = "gcc"
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TOOLCHAIN:pn-piglit = "gcc"
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TOOLCHAIN:pn-prelink = "gcc"
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# Qemu cant run profile tests run during build
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# | *** stack smashing detected ***: terminated
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# | ./pgo-wrapper: line 3: 3372346 Aborted
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TOOLCHAIN:pn-python3 = "gcc"
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# has dpkg source which does not compile
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TOOLCHAIN:pn-start-stop-daemon = "gcc"
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TOOLCHAIN:pn-syslinux = "gcc"
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TOOLCHAIN:pn-systemtap = "gcc"
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# v4l-utils uses nested functions
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TOOLCHAIN:pn-v4l-utils = "gcc"
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TOOLCHAIN:pn-valgrind = "gcc"
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# uses C++ which clang does not like
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TOOLCHAIN:pn-wvstreams = "gcc"
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TOOLCHAIN:pn-wvdial = "gcc"
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#| ../../mpfr-3.1.4/src/mul.c:324:11: error: invalid output constraint '=h' in asm
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#| umul_ppmm (tmp[1], tmp[0], MPFR_MANT (b)[0], MPFR_MANT (c)[0]);
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TOOLCHAIN:pn-mpfr:mips = "gcc"
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TOOLCHAIN:pn-mpfr:mips64 = "gcc"
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#
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#../../lib/libicui18n.so: undefined reference to `__atomic_fetch_sub_4'
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#../../lib/libicui18n.so: undefined reference to `__atomic_load_4'
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#../../lib/libicui18n.so: undefined reference to `__atomic_store_4'
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#../../lib/libicui18n.so: undefined reference to `__atomic_fetch_add_4'
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#
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TOOLCHAIN:pn-icu:armv4 = "gcc"
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TOOLCHAIN:pn-icu:armv5 = "gcc"
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|
#../../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
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TOOLCHAIN:pn-libgcrypt:mips64 = "gcc"
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|
#| ../../pixman-0.34.0/test/utils-prng.c:131:29: error: cannot convert between vector type '__attribute__((__vector_size__(16 * sizeof(char)))) char' (vector of 16 'char' values) and vector type 'uint8x16' (vector of 16 'uint8_t' values) as implicit conversion would cause truncation
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#| randdata.vb |= (t.vb >= const_C0#);
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#| ^
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# also see http://lists.llvm.org/pipermail/llvm-dev/2016-October/105997.html
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TOOLCHAIN:pn-pixman = "gcc"
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|
#recipe-sysroot/usr/include/mozjs-60/mozilla/Span.h:634:5: error: statement not allowed in constexpr function
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#| MOZ_RELEASE_ASSERT(aStart <= len && (aLength == dynamic_extent ||
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#| ^
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TOOLCHAIN:pn-polkit = "gcc"
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|
# ppp uses nested functions and gcc specific option e.g. --print-sysroot
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#
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TOOLCHAIN:pn-ppp = "gcc"
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#| ./ports/linux/pseudo_wrappers.c:80:14: error: use of unknown builtin '__builtin_apply' [-Wimplicit-function-declaration]
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#| void *res = __builtin_apply((void (*)()) real_syscall, __builtin_apply_args(), sizeof(long) * 7);
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#| ^
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#| ./ports/linux/pseudo_wrappers.c:80:57: error: use of unknown builtin '__builtin_apply_args' [-Wimplicit-function-declaration]
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#| void *res = __builtin_apply((void (*)()) real_syscall, __builtin_apply_args(), sizeof(long) * 7);
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|
TOOLCHAIN:pn-pseudo = "gcc"
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#| ../../pulseaudio-10.0/src/pulsecore/mix_neon.c../../pulseaudio-10.0/src/pulsecore/sconv_neon.c:49::27: error: unknown register name 'q0' in asm
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#| : "memory", "cc", "q0" /* clobber list */
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#| ^
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TOOLCHAIN:pn-pulseaudio:aarch64 = "gcc"
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# mix_neon.c:179:9: error: invalid operand in inline asm: 'vld1.s32 ${0:h}, [$2]
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# vld1.s32 ${1:h}, [$3] '
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TOOLCHAIN:pn-pulseaudio:armv7ve = "gcc"
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TOOLCHAIN:pn-pulseaudio:armv7a = "gcc"
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# clang++ hangs see https://bugs.llvm.org/show_bug.cgi?id=45134
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DEBUG_FLAGS:remove:pn-sqlite-orm:toolchain-clang = "-g"
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#| /usr/src/debug/qemu/2.6.0-r1/qemu-2.6.0/util/bitmap.c:191: undefined reference to `__atomic_fetch_or_4'
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#| /usr/src/debug/qemu/2.6.0-r1/qemu-2.6.0/util/bitmap.c:210: undefined reference to `__atomic_fetch_or_4'
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#| libqemuutil.a(bitmap.o): In function `bitmap_test_and_clear_atomic':
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#| /usr/src/debug/qemu/2.6.0-r1/qemu-2.6.0/util/bitmap.c:250: undefined reference to `__atomic_fetch_and_4'
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#| /usr/src/debug/qemu/2.6.0-r1/qemu-2.6.0/util/bitmap.c:262: undefined reference to `__atomic_exchange_4'
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#| /usr/src/debug/qemu/2.6.0-r1/qemu-2.6.0/util/bitmap.c:273: undefined reference to `__atomic_fetch_and_4'
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# We need to link in with -latomic which comes from gcc-runtime anyway so just keep using gcc
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# to compile qemu for target
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TOOLCHAIN:pn-qemu:arm = "gcc"
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|
#| ./dsp/v4f_IIR2.h:554:12: error: no matching function for call to 'v4f_map'
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#| a[5] = v4f_map<__builtin_cosf> (f);
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#| ^~~~~~~~~~~~~~~~~~~~~~~
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TOOLCHAIN:pn-caps = "gcc"
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|
# Fails to build with clang-13 errors with .export.sym file
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# Mismatch between symbols in shared library and lists in .exported_symbols.* files: dm_bit_get_prev
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TOOLCHAIN:pn-lvm2 = "gcc"
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TOOLCHAIN:pn-libdevmapper = "gcc"
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|
TOOLCHAIN:pn-lttng-ust:riscv64 = "gcc"
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|
#| ../libffi-3.3-rc0/src/arm/sysv.S: Assembler messages:
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#| ../libffi-3.3-rc0/src/arm/sysv.S:131: Error: selected processor does not support `vldrle d0,[sp]' in ARM mode
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#| ../libffi-3.3-rc0/src/arm/sysv.S:132: Error: selected processor does not support `vldmgt sp,{d0-d7}' in ARM mode
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TOOLCHAIN:pn-libffi:armeb = "gcc"
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|
# Clang/mips still generates __sync_fetch_and_add_8 instead of __atomic_fetch_add_8 so it can't even use
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# libatomic to provide these functions, therefore can not compile redis on mips
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TOOLCHAIN:pn-redis:mips = "gcc"
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|
# rocksdb/rocksdb/util/crc32c_ppc_asm.S:9:10: fatal error: 'ppc-asm.h' file not found
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# #include <ppc-asm.h>
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# This header is only available with gcc-cross
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TOOLCHAIN:pn-mariadb:powerpc64le = "gcc"
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|
# latest 32bit arch versions fails to compile with clang 13
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# common/JackEngineControl.h:89:5: error: requested alignment is less than minimum alignment of 8 for type 'Jack::JackFrameTimer'
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#| alignas(UInt32) JackFrameTimer fFrameTimer;
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#| ^
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TOOLCHAIN:pn-jack = "${@['clang','gcc'][d.getVar('SITEINFO_BITS') != '32']}"
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|
CFLAGS:append:pn-liboil:toolchain-clang:x86-64 = " -fheinous-gnu-extensions "
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#io_getevents.c:25:141: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
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#io_syscall5(int, __io_getevents_0_4, io_getevents, io_context_t, ctx, long, min_nr, long, nr, struct io_event *, events, struct timespec *, timeout)
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CFLAGS:append:pn-libaio:toolchain-clang:mips = " -fheinous-gnu-extensions"
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|
#| error: unknown warning option '-Wimplicit-fallthrough=0'; did you mean '-Wimplicit-fallthrough'? [-Werror,-Wunknown-warning-option]
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CFLAGS:append:pn-mdadm:toolchain-clang = " -Wno-error=unknown-warning-option"
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|
#../libffi-3.2.1/src/arm/sysv.S:363:2: error: invalid instruction, did you mean: fldmiax?
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# fldmiadgt ip, {d0-d7}
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CFLAGS:append:pn-libffi:arm:toolchain-clang = " -no-integrated-as"
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CFLAGS:append:pn-libffi:mips64:toolchain-clang = " -no-integrated-as"
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|
# ../db-5.3.28/src/mutex/mut_tas.c:150:34: error: unknown directive
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#<inline asm>:9:2: note: instantiated into assembly here
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# .force_thumb
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# ^
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#CFLAGS:append:pn-db:toolchain-clang = " -no-integrated-as"
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#
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#| ../../../DirectFB-1.7.7/lib/direct/armasm_memcpy.S:63:2: error: invalid instruction
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#| ldmgeia r1!, {r3, r4, r12, lr}
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#| ^
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CFLAGS:append:pn-directfb:toolchain-clang:arm = " -no-integrated-as"
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|
# Disable internal assembler for armv7 since it uses gnu assmebly syntax
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# which should be preprocessed via gcc/compiler
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#
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CFLAGS:append:pn-openssl:toolchain-clang:armv7ve = " -no-integrated-as"
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CFLAGS:append:pn-openssl:toolchain-clang:armv7a = " -no-integrated-as"
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|
#| crypto/bn/bn-mips.S:671:2: error: unknown instruction, did you mean: bgeu, sgtu, tgeu?
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#| sgeu $1,$4,$6
|
#| ^
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CC:append:pn-openssl:toolchain-clang:mipsarch = " -no-integrated-as"
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|
CFLAGS:append:pn-userland:toolchain-clang = " -no-integrated-as"
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|
# libjpeg-turbo-2.0.2/simd/mips/jsimd_dspr2.S
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# <instantiation>:13:5: error: invalid token in expression
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# .if $17 != 0
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# ^
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CFLAGS:append:pn-libjpeg-turbo:toolchain-clang:mipsarch = " -no-integrated-as"
|
|
# arm-yoe-linux-gnueabi-ld: /usr/src/debug/libvorbis/1.3.6-r0/build/lib/../../libvorbis-1.3.6/lib/sharedbook.c:165: undefined reference to `__pow_finite'
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CFLAGS:append:pn-libvorbis:toolchain-clang:armv7ve = " -fno-fast-math"
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CFLAGS:append:pn-mpg123:toolchain-clang:armv7ve = " -fno-fast-math"
|
|
#../kexec-tools-2.0.18/purgatory/arch/i386/entry32-16.S:23:2: error: unknown directive
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# .arch i386
|
# ^
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CC:append:pn-kexec-tools:toolchain-clang:x86-64 = " -no-integrated-as"
|
CC:append:pn-kexec-tools:toolchain-clang:x86 = " -no-integrated-as"
|
CC:append:pn-kexec-tools-klibc:toolchain-clang:x86-64 = " -no-integrated-as"
|
CC:append:pn-kexec-tools-klibc:toolchain-clang:x86 = " -no-integrated-as"
|
|
#| /tmp/x86-sse2-cdb148.s:207:9: error: ambiguous operand size for instruction 'sub'
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#| sub SIZE, 64
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#| ^~~~
|
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"
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CFLAGS:append:pn-libde265:toolchain-clang:arm = " -no-integrated-as"
|
|
# :5 : error: unknown directive
|
#^
|
# .endfunc
|
# ^
|
CFLAGS:append:pn-libsdl2:toolchain-clang:arm = " -no-integrated-as"
|
|
#2816:2: error: changed section type for .debug_frame, expected: 0x7000001E
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# .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"
|
|
#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"
|
|
# Fixes clang crash when compiling gnutls-3.7.2/lib/accelerated/aarch64/elf/sha512-armv8.s
|
CFLAGS:append:pn-gnutls:toolchain-clang:aarch64 = " -no-integrated-as"
|
|
# regtest.cc:374:39: error: invalid suffix on literal; C++11 requires a
|
# space between literal and identifier [-Wreserved-user-defined-literal]
|
#| snprintf_func (buf, sizeof(buf), "%"Q"u", x);
|
#| ^
|
|
CXXFLAGS:append:pn-xdelta3:toolchain-clang = " -Wno-error=reserved-user-defined-literal"
|
# -fno-tree-vrp is gcc specific
|
CXXFLAGS:remove:pn-mozjs:toolchain-clang = "-fno-tree-vrp"
|
CFLAGS:remove:pn-mozjs:toolchain-clang = "-fno-tree-vrp"
|
|
#memcached.c:6280:2: error: embedding a directive within macro arguments has undefined behavior [-Werror,-Wembedded-directive]
|
CPPFLAGS:append:pn-memcached:toolchain-clang = " -Wno-error=embedded-directive"
|
|
#| /tmp/mcp2515-578c41.s: Assembler messages:
|
#| /tmp/mcp2515-578c41.s:1525: Error: r13 not allowed here -- `sub.w sp,r1,#8'
|
#| /tmp/mcp2515-578c41.s:1821: Error: r13 not allowed here -- `sub.w sp,r6,#8'
|
#| clang-7: error: assembler command failed with exit code 1 (use -v to see invocation)
|
TUNE_CCARGS:remove:pn-upm:toolchain-clang = "-no-integrated-as"
|
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"
|
|
#| /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-gnutls:toolchain-clang:riscv64 = " -latomic"
|
LDFLAGS:append:pn-harfbuzz:toolchain-clang:riscv64 = " -latomic"
|
LDFLAGS:append:pn-qtwebengine:toolchain-clang:runtime-gnu:x86 = " -latomic"
|
LDFLAGS:append:pn-qemu:toolchain-clang:x86 = " -latomic"
|
|
# 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-libc-bench:libc-glibc:toolchain-clang:x86-64 = "-rtlib=libgcc --unwindlib=libgcc"
|
COMPILER_RT:pn-mpich:toolchain-clang:x86 = "-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"
|
|
#(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-aufs-util:libc-glibc:toolchain-clang:arm = "--unwindlib=libgcc"
|
COMPILER_RT:pn-libhugetlbfs:libc-glibc:toolchain-clang:arm = "--unwindlib=libgcc"
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COMPILER_RT:pn-libc-bench:libc-glibc:toolchain-clang:arm = "--unwindlib=libgcc"
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# Uses gcc for native tools, e.g. nsinstall and passes clang options which fails so
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# let same compiler ( gcc or clang) be native/cross compiler
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# | gcc: error: unrecognized command line option ‘-Qunused-arguments’
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BUILD_CC:pn-nss:toolchain-clang = "clang -rtlib=libgcc -unwindlib=none"
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# libnoprofile.c:19:5: error: expected parameter declarator
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# int printf(const char *format, ...) {
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# ^
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# error: non-constant-expression cannot be narrowed from type 'std::chrono::duration<
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#long long, std::ratio<1, 1> >::rep' (aka 'long long') to '__time_t' (aka 'long') in initializer list
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# [-Wc++11-narrowing]
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CXXFLAGS:append:pn-apt:toolchain-clang = " -Wno-c++11-narrowing"
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lcl_maybe_fortify:pn-apt:toolchain-clang = ""
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# LTO
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# Seems to use symver ASMs see https://stackoverflow.com/questions/46304742/how-to-combine-lto-with-symbol-versioning
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# lib/puny_encode.c:136: multiple definition of `_idn2_punycode_encode'
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LTO:pn-libidn2:toolchain-clang = ""
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#libcairo.so: undefined reference to pthread_mutexattr_init [--no-allow-shlib-undefined]
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LTO:pn-cairo:toolchain-clang = ""
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# see https://bugs.llvm.org/show_bug.cgi?id=50443 this is in clang-13, until it is fixed do not use -O2
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SELECTED_OPTIMIZATION:remove:pn-poke:toolchain-clang = "-O2"
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