Portage 3.0.72 (python 3.13.11-final-0, embedded, gcc-15, unavailable, 6.12.58-gentoo x86_64)
>>> Install dev-libs/protobuf-33.1 into /usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/image
* .default: running multilib-minimal_abi_src_install
* Source directory (CMAKE_USE_DIR): "/usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/work/protobuf-33.1"
* Build directory (BUILD_DIR): "/usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/work/protobuf-33.1_build-.default"
ninja -v -l20 -j20 install
[0/1] cd /usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/work/protobuf-33.1_build-.default && /usr/bin/cmake -P cmake_install.cmake
-- Install configuration: "RelWithDebInfo"
-- Installing: /usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/image/usr/lib/cmake/utf8_range/utf8_range-targets.cmake
[...]
-- Installing: /usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/image/usr/lib/cmake/protobuf/protobuf-module.cmake
readelf: Error: Not an ELF file - it has the wrong magic bytes at the start
* No matching library found with SLOT variable, currently set: 0/33.1.0
* Expected value: /usr/x86_64-w64-mingw32/tmp/portage/dev-libs/protobuf-33.1/image/usr/lib/libprotobuf.dll.33.1.0
* ERROR: dev-libs/protobuf-33.1::gentoo failed (install phase):
* Please update SLOT variable
Not sure if this has a link with
https://bugs.gentoo.org/891469
It appears to have a different error and is failing at the INSTALL phase