host: x86_64 (clean updated stage3 docker container, purely vanilla) target: armv7a-hardfloat-linux-gnueabi Using crossdev. Note that I didn't get that one while building the same system with aarch64. checking zlib.h presence... yes checking for zlib.h... yes checking for gzopen in -lz... no checking bzlib.h usability... yes checking bzlib.h presence... yes checking for bzlib.h... yes checking for libbz2... no ** Cannot --enable-pcregrep-libz because libz was not found checking for zlib.h... yes checking for gzopen in -lz... no checking bzlib.h usability... yes checking bzlib.h presence... yes checking for bzlib.h... yes checking for libbz2... no ** Cannot --enable-pcregrep-libbz2 because libbz2 was not found In both case the libraries /ARE/ installed in the cross compilation system (and the host, even if that would kind of be worst if it made a difference) Mitigation USE="-zlib -bzip2" armv7a-hardfloat-linux-gnueabi-emerge libpcre -1 armv7a-hardfloat-linux-gnueabi-emerge @system --keep-going
This is not a Prefix bug, please take it up with crossdev.