Index: boost_1_58_0/tools/build/src/tools/gcc.jam =================================================================== --- boost_1_58_0.orig/tools/build/src/tools/gcc.jam +++ boost_1_58_0/tools/build/src/tools/gcc.jam @@ -453,10 +453,6 @@ rule setup-address-model ( targets * : s local arch = [ feature.get-values architecture : $(properties) ] ; if $(arch) != arm { - if $(model) = 32 - { - option = -m32 ; - } } # For darwin, the model can be 32_64. darwin.jam will handle that # on its own.