commit: eb149fd45c96a1d7900b3a55a44130a7d8d56828 Author: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org> AuthorDate: Wed Nov 11 00:04:48 2020 +0000 Commit: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org> CommitDate: Wed Nov 11 05:00:26 2020 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=eb149fd4
eclass/cargo.eclass: add CARGO_OPTIONAL condition Signed-off-by: Georgy Yakovlev <gyakovlev <AT> gentoo.org> eclass/cargo.eclass | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/eclass/cargo.eclass b/eclass/cargo.eclass index e6fec844d27..4d549f60bb9 100644 --- a/eclass/cargo.eclass +++ b/eclass/cargo.eclass @@ -15,20 +15,41 @@ _CARGO_ECLASS=1 # we need this for 'cargo vendor' subcommand and net.offline config knob RUST_DEPEND=">=virtual/rust-1.37.0" -case ${EAPI} in - 7) BDEPEND="${RUST_DEPEND}";; - *) die "EAPI=${EAPI:-0} is not supported" ;; +case "${EAPI:-0}" in + 0|1|2|3|4|5|6) + die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" + ;; + 7) + ;; + *) + die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" + ;; esac inherit multiprocessing toolchain-funcs -EXPORT_FUNCTIONS src_unpack src_configure src_compile src_install src_test +if [[ ! ${CARGO_OPTIONAL} ]]; then + BDEPEND="${RUST_DEPEND}" + EXPORT_FUNCTIONS src_unpack src_configure src_compile src_install src_test +fi IUSE="${IUSE} debug" ECARGO_HOME="${WORKDIR}/cargo_home" ECARGO_VENDOR="${ECARGO_HOME}/gentoo" +# @ECLASS-VARIABLE: CARGO_OPTIONAL +# @DEFAULT_UNSET +# @PRE_INHERIT +# @DESCRIPTION: +# If set to a non-null value, before inherit cargo part of the ebuild will +# be considered optional. No dependencies will be added and no phase +# functions will be exported. +# +# If you enable CARGO_OPTIONAL, you have to set BDEPEND on virtual/rust +# for your package and call at least cargo_gen_config manually before using +# other src_ functions of this eclass. + # @VARIABLE: myfeatures # @DEFAULT_UNSET # @DESCRIPTION: