Jetson AGX Xavier building error

[marcoCella]

When building the repo on the Xavier, I get the following error:

~/auvlib/build$ make -j4

Scanning dependencies of target tinyxml2
Scanning dependencies of target auvlib_glad
Scanning dependencies of target math
Scanning dependencies of target sys
[  0%] Building CXX object src/embree/common/math/CMakeFiles/math.dir/constants.cpp.o
[  1%] Building CXX object src/CMakeFiles/tinyxml2.dir/libigl/external/tinyxml2/tinyxml2.cpp.o
c++: error: unrecognized command line option ‘-msse2’
src/embree/common/math/CMakeFiles/math.dir/build.make:62: recipe for target 'src/embree/common/math/CMakeFiles/math.dir/constants.cpp.o' failed
make[2]: *** [src/embree/common/math/CMakeFiles/math.dir/constants.cpp.o] Error 1
CMakeFiles/Makefile2:1286: recipe for target 'src/embree/common/math/CMakeFiles/math.dir/all' failed
make[1]: *** [src/embree/common/math/CMakeFiles/math.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[  1%] Building C object src/CMakeFiles/auvlib_glad.dir/libigl/external/glad/src/glad.c.o
[  1%] Building CXX object src/embree/common/sys/CMakeFiles/sys.dir/sysinfo.cpp.o
[  2%] Building CXX object src/embree/common/sys/CMakeFiles/sys.dir/alloc.cpp.o
c++: error: unrecognized command line option ‘-msse2’
src/embree/common/sys/CMakeFiles/sys.dir/build.make:62: recipe for target 'src/embree/common/sys/CMakeFiles/sys.dir/sysinfo.cpp.o' failed
make[2]: *** [src/embree/common/sys/CMakeFiles/sys.dir/sysinfo.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
c++: error: unrecognized command line option ‘-msse2’
src/embree/common/sys/CMakeFiles/sys.dir/build.make:86: recipe for target 'src/embree/common/sys/CMakeFiles/sys.dir/alloc.cpp.o' failed
make[2]: *** [src/embree/common/sys/CMakeFiles/sys.dir/alloc.cpp.o] Error 1
CMakeFiles/Makefile2:1231: recipe for target 'src/embree/common/sys/CMakeFiles/sys.dir/all' failed
make[1]: *** [src/embree/common/sys/CMakeFiles/sys.dir/all] Error 2
[  3%] Linking C static library libauvlib_glad.a
[  3%] Built target auvlib_glad
[  3%] Linking CXX static library libtinyxml2.a
[  3%] Built target tinyxml2
Makefile:151: recipe for target 'all' failed
make: *** [all] Error 2

It looks like the problem comes from the embree submodule of libigl. By taking a closer look I saw that the imported version is v3.5.2, which does not support ARM architectures. This feature has been implemented starting from v3.13.0.

Having said that, I tried a variety of options, including:

• make xCPUARCH=armv8l -j4 as suggested in this other issue
• using the latest version of embree
• using an unofficial repo of embree specifically for aarch64 architectures

However, the same error kept occurring.

Anyway, this is just my assumption on what the issue could be, maybe I'm extremely off-track and the fix turns out to be easier than expected.