Subj : smapi error update To : Rick Smith From : Michael Dukelsky Date : Mon Apr 12 2021 20:20:06 Hello Rick, Monday April 12 2021, Rick Smith wrote to Michael Dukelsky: RS> I added this RS> # C-compiler: optimization RS> OPTCFLAGS=-c -s -O3 -fomit-frame-pointer -fstrength-reduce -fPIC RS> -mstructure-size-boundary=64 RS> got this during build RS> gcc: error: unrecognized command-line option RS> ‘-mstructure-size-boundary=64’ RS> make: *** [Makefile:43: adcase.o] Error 1 Do you build on your rpi or on a PC? What version of gcc do you use? Michael .... node (at) f1042 (dot) ru --- GoldED+/LNX 1.1.5-b20180707 * Origin: Moscow, Russia (2:5020/1042) .