Since a 'recent' pmbootstrap change, the cross compilers are no longer installed by default which uncovered that "make oldconfig" is called without LLVM=1. scripts/Kconfig.include:41: linker 'armv7-alpine-linux-musleabihf-ld' not found make[2]: *** [scripts/kconfig/Makefile:85: oldconfig] Error 1 Pass it so that all steps in the build process are run with the LLVM toolchain and we're not mixing toolchains in the build process. Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8295>