[OpenPower-Firmware] Issue building op-build (processMrw.pl error)

[Hugo Landau]

Hi.

I'm having a problem building with op-build:

[nix-shell:~/3pr/op-build]$ op-build
make: Entering directory '/home/hugo/3pr/op-build/buildroot'
>>> machine-xml 22ce15f13c4ba78bdbbd4649c3467ace6a640be2 Building
# copy the machine xml where the common lives
bash -c 'mkdir -p /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/openpower_mrw_scratch && cp -r /home/hugo/3pr/op-build/output/build/machine-xml-22ce15f13c4ba78bdbbd4649c3467ace6a640be2/* /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/openpower_mrw_scratch'
# generate the system mrw xml
perl -I /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/hostboot_build_images /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/hostboot_build_images/processMrw.pl -x /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/openpower_mrw_scratch/"zaius.xml"
Loading MRW XML: /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/openpower_mrw_scratch/zaius.xml
Can't use string ("0xFFFFFFFF") as a HASH ref while "strict refs" in use at /home/hugo/3pr/op-build/output/host/powerpc64le-buildroot-linux-gnu/sysroot/hostboot_build_images/Targets.pm line 253.
make: *** [package/pkg-generic.mk:230: /home/hugo/3pr/op-build/output/build/machine-xml-22ce15f13c4ba78bdbbd4649c3467ace6a640be2/.stamp_built] Error 255
make: Leaving directory '/home/hugo/3pr/op-build/buildroot'

Perl v5.24.2.

Any ideas?