[GitHub] [tvm] apivovarov commented on pull request #7153: [RUNTIME] Add libbacktrace for backtraces with line numbers

[GitBox <gi...@apache.org>]

apivovarov commented on pull request #7153:
URL: https://github.com/apache/tvm/pull/7153#issuecomment-810663046


   @tkonolige Looks like libbacktrace build does not look at `CMAKE_CXX_COMPILER` and `CMAKE_C_COMPILER` flags.
   Regardless of their values it builds libbacktrace for host platform (x86_64)
   ```
   $ cmake .. \
   -DCMAKE_C_COMPILER=mips-linux-uclibc-gnu-gcc \
   -DCMAKE_CXX_COMPILER=mips-linux-uclibc-gnu-g++ \
   -DCMAKE_C_FLAGS="-march=mips32r2 -DDMLC_LOG_STACK_TRACE=0" \
   -DCMAKE_CXX_FLAGS="-march=mips32r2 -D_GLIBCXX_USE_C99 -DDMLC_LOG_STACK_TRACE=0"
   -- The C compiler identification is GNU 5.4.0
   -- The CXX compiler identification is GNU 5.4.0
   -- Check for working C compiler: /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/mips-linux-uclibc-gnu-gcc
   -- Check for working C compiler: /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/mips-linux-uclibc-gnu-gcc -- works
   -- Detecting C compiler ABI info
   -- Detecting C compiler ABI info - done
   -- Detecting C compile features
   -- Detecting C compile features - done
   -- Check for working CXX compiler: /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/mips-linux-uclibc-gnu-g++
   -- Check for working CXX compiler: /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/mips-linux-uclibc-gnu-g++ -- works
   ...
   [  7%] Performing configure step for 'project_libbacktrace'
   cd /home/alex/workspace/tvm/build-wyze/libbacktrace && /home/alex/workspace/tvm/cmake/libs/../../3rdparty/libbacktrace/configure --prefix=/home/alex/workspace/tvm/build-wyze/libbacktrace --with-pic
   checking build system type... x86_64-pc-linux-gnu
   checking host system type... x86_64-pc-linux-gnu
   checking target system type... x86_64-pc-linux-gnu
   ...
   /bin/bash ./libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I/home/alex/workspace/tvm/cmake/libs/../../3rdparty/libbacktrace    -funwind-tables -frandom-seed=atomic.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual  -g -O2 -c -o atomic.lo /home/alex/workspace/tvm/cmake/libs/../../3rdparty/libbacktrace/atomic.c
   ...
   [ 69%] Building CXX object CMakeFiles/tvm_runtime_objs.dir/src/runtime/graph/graph_runtime.cc.o
   /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/mips-linux-uclibc-gnu-g++  -DDMLC_USE_FOPEN64=0 -DDMLC_USE_LOGGING_LIBRARY="<tvm/runtime/logging.h>" -DNDEBUG -DNDEBUG=1 -DTVM_INDEX_DEFAULT_I64=1 -DTVM_THREADPOOL_USE_OPENMP=0 -DTVM_USE_LIBBACKTRACE=1 -DUSE_FALLBACK_STL_MAP=0 -DTVM_GRAPH_RUNTIME_DEBUG -I/home/alex/workspace/tvm/include -isystem /home/alex/workspace/tvm/3rdparty/dlpack/include -isystem /home/alex/workspace/tvm/3rdparty/dmlc-core/include -isystem /home/alex/workspace/tvm/3rdparty/rang/include -isystem /home/alex/workspace/tvm/3rdparty/compiler-rt -isystem /home/alex/workspace/tvm/3rdparty/picojson -I/home/alex/workspace/tvm/build-wyze/libbacktrace/include -I/home/alex/workspace/tvm/3rdparty/libcrc/include  -std=c++14 -O2 -Wall -fPIC -march=mips32r2 -D_GLIBCXX_USE_C99 -DDMLC_LOG_STACK_TRACE=0   -o CMakeFiles/tvm_runtime_objs.dir/src/runtime/graph/graph_runtime.cc.o -c /home/alex/workspace/tvm/src/runtime/graph/graph_runtime.cc
   ...
   /home/alex/workspace/mips-gcc540-glibc222-64bit-r3.3.0/bin/../lib/gcc/mips-linux-gnu/5.4.0/../../../../mips-linux-gnu/bin/ld: libbacktrace/lib/libbacktrace.a(fileline.o): Relocations in generic ELF (EM: 62)
   libbacktrace/lib/libbacktrace.a: error adding symbols: File in wrong format
   
   
   ```


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