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setup_board: fix building binpkgs for toolchain dependencies

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install_cross_libs installs TOOLCHAIN_PKGS deps into /usr/$BOARD_CHOST,
so that TOOLCHAIN_PKGS binpkgs can be built. We also need binpkgs for
the TOOLCHAIN_PKGS deps so that we can install them into /build/$BOARD
later together with TOOLCHAIN_PKGS. This is where the flow is currently
broken. Due to a change in semantics, --emptyroot tries to rebuild host
packages as well, and dropping it leaves --onlydeps which results in no
binpkgs being built because they are already installed.

We can solve resolve this by reusing the dependency list generated by
install_cross_libs, and explicitly building those binpkgs. It is worth
remarking that this flow of building the toolchain binpkgs through
setup_board is not in use in Flatcar, because we normally build
toolchains with catalyst. We are interested in reviving it because we
want to build everything with SLSA provenance information.
This commit is contained in:
Jeremi Piotrowski 2022-07-13 15:43:15 +02:00
parent a66bded4ce
commit 95c5d94837
1 changed files with 2 additions and 2 deletions
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setup_board
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@ -319,9 +319,9 @@ if [[ ${FLAGS_regen_configs} -eq ${FLAGS_FALSE} ]]; then
install_cross_libs "${BOARD_CHOST}" ${EMERGE_FLAGS} --buildpkg=n
info "Building toolchain dependencies"
"${EMERGE_WRAPPER}" --buildpkg --buildpkgonly --onlydeps -e \
"${EMERGE_WRAPPER}" --buildpkg --buildpkgonly \
--root="/usr/${BOARD_CHOST}" --sysroot="/usr/${BOARD_CHOST}" \
${EMERGE_TOOLCHAIN_FLAGS} "${TOOLCHAIN_PKGS[@]}"
${EMERGE_TOOLCHAIN_FLAGS} $(< "/usr/${BOARD_CHOST}/etc/portage/cross-${BOARD_CHOST}-depends")
info "Building toolchain"
"${EMERGE_WRAPPER}" --buildpkg --buildpkgonly \
--root="/usr/${BOARD_CHOST}" --sysroot="/usr/${BOARD_CHOST}" \