Mono 5.8.0.127 build error in Arch Linux ARM on Odroid XU4

if test -w /home/alarm/aur/mono/src/mono/mcs; then :; else chmod -R +w /home/alarm/aur/mono/src/mono/mcs; fi
cd /home/alarm/aur/mono/src/mono/mcs && make --no-print-directory -s NO_DIR_CHECK=1 PROFILES='binary_reference_assemblies net_4_x xbuild_12 xbuild_14          ' CC='gcc' all-profiles
Microsoft (R) Visual C# Compiler version 2.3.2.61928 (ec1cde8b)
'/home/alarm/aur/mono/src/mono/runtime'
make[1]: *** [Makefile:549: all-recursive] Error 1
make[1]: Leaving directory '/home/alarm/aur/mono/src/mono'
make: *** [Makefile:479: all] Error 2
==> ERROR: A failure occurred in build().
    Aborting...