Building portable statically linked binaries

[neo4uo]

make release-static-linux-armv6

error:

[ 34%] Building CXX object contrib/epee/src/CMakeFiles/epee.dir/byte_slice.cpp.o
cc1plus: error: bad value (‘armv8-a’) for ‘-march=’ switch
cc1plus: note: valid arguments to ‘-march=’ switch are: nocona core2 nehalem corei7 westmere sandybridge corei7-avx ivybridge core-avx-i haswell core-avx2 broadwell skylake skylake-avx512 cannonlake icelake-client icelake-server cascadelake bonnell atom silvermont slm goldmont goldmont-plus tremont knl knm x86-64 eden-x2 nano nano-1000 nano-2000 nano-3000 nano-x2 eden-x4 nano-x4 k8 k8-sse3 opteron opteron-sse3 athlon64 athlon64-sse3 athlon-fx amdfam10 barcelona bdver1 bdver2 bdver3 bdver4 znver1 znver2 btver1 btver2 native
make[3]: *** [contrib/epee/src/CMakeFiles/epee.dir/build.make:63: contrib/epee/src/CMakeFiles/epee.dir/byte_slice.cpp.o] Error 1
make[3]: Leaving directory '/home/mcadoryfire/scala/build/Linux/development/release'
make[2]: *** [CMakeFiles/Makefile2:1178: contrib/epee/src/CMakeFiles/epee.dir/all] Error 2
make[2]: Leaving directory '/home/mcadoryfire/scala/build/Linux/development/release'
make[1]: *** [Makefile:141: all] Error 2
make[1]: Leaving directory '/home/mcadoryfire/scala/build/Linux/development/release'
make: *** [Makefile:136: release-static-linux-armv8] Error 2