Control: forwarded -1 https://github.com/llvm/llvm-project/issues/56581
On Wed, Feb 16, 2022 at 02:22:34PM +0100, Timo Röhling wrote: > Package: clang-13 > Version: 1:13.0.1-3 > Severity: important > Tags: ftbfs > Control: affects -1 src:filament > > > Dear maintainer, > > building filament on armel triggers the following compiler error: > > fatal error: error in backend: Cannot select: intrinsic %llvm.arm.hint > PLEASE submit a bug report to https://bugs.llvm.org/ and include the > crash backtrace, preprocessed source, and associated run script. > Stack dump: > 0. Program arguments: /usr/bin/clang++ -g -O2 > -ffile-prefix-map=/build/filament-1.9.25+dfsg2=. -fstack-protector-strong > -Wformat -Werror=format-security -latomic -Wdate-time -std=c++17 > -fstrict-aliasing -Wno-unknown-pragmas -Wno-unused-function -fPIC -fPIC > -std=gnu++17 -Wl,--no-as-needed -Wl,--as-needed -DFILAMENT_SUPPORTS_XCB > -DFILAMENT_SUPPORTS_XLIB -Dutils_EXPORTS > -I/build/filament-1.9.25+dfsg2/libs/utils/include -D_LARGEFILE_SOURCE > -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -c -MD -MT > libs/utils/CMakeFiles/utils.dir/src/JobSystem.cpp.o -MF > CMakeFiles/utils.dir/src/JobSystem.cpp.o.d -fcolor-diagnostics -o > CMakeFiles/utils.dir/src/JobSystem.cpp.o > /build/filament-1.9.25+dfsg2/libs/utils/src/JobSystem.cpp > 1. <eof> parser at end of file > 2. Code generation > 3. Running pass 'Function Pass Manager' on module > '/build/filament-1.9.25+dfsg2/libs/utils/src/JobSystem.cpp'. > 4. Running pass 'ARM Instruction Selection' on function > '@_ZN5utils9JobSystem4loopEPNS0_11ThreadStateE' > clang: error: clang frontend command failed with exit code 70 (use -v to > see invocation) > Debian clang version 13.0.1-3 > Target: arm-unknown-linux-gnueabi > Thread model: posix > InstalledDir: /usr/bin > clang: note: diagnostic msg: > ******************** > PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: > Preprocessed source(s) and associated run script(s) are located at: > clang: note: diagnostic msg: /tmp/JobSystem-c6a685.cpp > clang: note: diagnostic msg: /tmp/JobSystem-c6a685.sh > clang: note: diagnostic msg: > ******************** I've forwarded it upstream, a workaround patch for filament is attached. > Cheers > Timo cu Adrian
Description: Workaround for an LLVM bug on armel https://github.com/llvm/llvm-project/issues/56581 Author: Adrian Bunk <b...@debian.org> Bug-Debian: https://bugs.debian.org/1005871 --- filament-1.9.25+dfsg2.orig/libs/utils/include/utils/compiler.h +++ filament-1.9.25+dfsg2/libs/utils/include/utils/compiler.h @@ -176,7 +176,7 @@ # define UTILS_HAS_RTTI 0 #endif -#ifdef __ARM_ACLE +#if defined(__ARM_ACLE) && (__ARM_ARCH >= 7) # include <arm_acle.h> # define UTILS_WAIT_FOR_INTERRUPT() __wfi() # define UTILS_WAIT_FOR_EVENT() __wfe()
