Problem compiling bios-crypto in XO1.75 hardware

[Juan Cubillo]

 Hello,

I'm creating xo1.75 OS images on a 1.75 XO since that's the only ARM
hardware I have around. In order to sign the images I need to compile
bios-crypto following the instructions from the wiki:

http://wiki.laptop.org/go/OS_Builder#Signing_preparation

make is not finishing correctly and ends with the following error message:

 bash-4.2# make
echo Building in the "'build'" subdirectory
Building in the 'build' subdirectory
make -C build
make[1]: Entering directory `/home/root/bios-crypto/build'
ld  -Ttext 0xc0000 -Tbss 0xd0000 --defsym _start=verify_data bios_verify.o
stack_alloc.o bios_string.o ../depends/libtomcrypt.a ../depends/libtfm.a
arm_libs.o /usr/lib/gcc/armv7hl-redhat-linux-gnueabi/4.7.2/libgcc.a -o
bios_verify.elf
/usr/lib/gcc/armv7hl-redhat-linux-gnueabi/4.7.2/libgcc.a(bpabi.o):(.ARM.exidx+0x0):
undefined reference to `__aeabi_unwind_cpp_pr1'
make[1]: *** [bios_verify.elf] Error 1
make[1]: Leaving directory `/home/root/bios-crypto/build'
make: *** [all] Error 2
bash-4.2#

Has anyone been able to get bios-crypto working on ARM architecture? How
could I solve this issue?

 - Juan Cubillo
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