It seems that the maes flag is automatically added if the ARM_TARGET CMake var is not set, which happens in cmake/cpu.cmake. The first thing I saw when I opened that file looked promising:
if (CMAKE_SIZEOF_VOID_P EQUAL 8) set(XMRIG_64_BIT ON) add_definitions(-DXMRIG_64_BIT) else() set(XMRIG_64_BIT OFF) endif() I figured that maybe SIZEOF_VOID_P changed with the t64 transition and this caused it to get confused and think that we are building on x86_64. Then I looked closer at the buildd log and saw that XMRIG_64_BIT was (correctly) set to OFF, which means that this could not be the issue. The next lines of interest are here: if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64|armv8-a)$") set(ARM_TARGET 8) elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv7|armv7f|armv7s|armv7k|armv7-a|armv7l|armv7ve)$") set(ARM_TARGET 7) endif() There are no other functions modifying the ARM_TARGET other than the option to override this value by manually setting the ARM_V7 variable. This means that CMAKE_SYSTEM_PROCESSOR must not be matching one of the armv7* values on buildd and your machine, but does on all of mine. The build could be fixed by setting ARM_V7 in d/rules on armhf, but I would prefer properly resolving this issue instead of just working around it. -- Ben Westover
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