Dear all, I try to build LLVM/Clang 3.8.1 on Tegra X1 (aarch64) and libunwind is needed. Compilation failed when try to build libunwind with the following compilation errors:
[ 51%] Building C object projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74: warning: invoking macro GLUE2 argument 1: empty macro arguments are undefined in ISO C90 and ISO C++98 [enabled by default] DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind15Registers_arm646jumptoEv) ^ /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74: warning: invoking macro GLUE2 argument 1: empty macro arguments are undefined in ISO C90 and ISO C++98 [enabled by default] /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74: warning: invoking macro GLUE2 argument 1: empty macro arguments are undefined in ISO C90 and ISO C++98 [enabled by default] /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74: warning: invoking macro GLUE2 argument 1: empty macro arguments are undefined in ISO C90 and ISO C++98 [enabled by default] /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S: Assembler messages: /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:285: Error: operand 2 should be an integer register -- `ldp x28,fp,[x0,#0x0E0]' /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:286: Error: operand 1 should be an integer register -- `ldr lr,[x0,#0x100]' /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:309: Error: operand 1 should be an integer register -- `ret lr' projects/libunwind/src/CMakeFiles/unwind.dir/build.make:182: recipe for target 'projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o' failed make[2]: *** [projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o] Error 1 CMakeFiles/Makefile2:12542: recipe for target 'projects/libunwind/src/CMakeFiles/unwind.dir/all' failed make[1]: *** [projects/libunwind/src/CMakeFiles/unwind.dir/all] Error 2 Makefile:149: recipe for target 'all' failed make: *** [all] Error 2 Os: Ubuntu 16.04, gcc/g++ : 4.8 I can't find any information on internet. I hope you can help me with this problem. Thanks.
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