Hello,
I tried to use efibootguard on the Siemens IOT2020 but using Mentor
Embedded Linux (instead of Yocto).
I used the meta-efibootguard layer that Andreas kindly posted last week.
efibootguard was built and shows its prompt but it is then unable to find a
supported watchdog device
(see below for a boot log)
I eventually traced this problem to be a difference in the compiler output.
The init() function of the driver is expected to be registered in the
.init_array section
This is definitely the case with GCC 6.3
It unfortunately isn't with GCC 6.2.
I checked this by compiling a single line compilation unit:
void __attribute__ ((constructor)) test (void) {}
readelf shows an .init_array with 6.3 but I get a .ctors section with 6.2
Jan advised me to check here as Andreas may have some hints for me ;)
TIA,
Cedric
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