From 287d525ed369702914b1ea324503d3ce1167fb55 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Wed, 13 Nov 2024 14:25:11 +0100
Subject: [PATCH] eclass/cargo: Sync with Gentoo

It's from Gentoo commit 9393ba8b683e6a055522d81740f94a11a0abfcb4.
---
 .../portage-stable/eclass/cargo.eclass        | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/cargo.eclass b/sdk_container/src/third_party/portage-stable/eclass/cargo.eclass
index 855692b72e..95ff317e1f 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/cargo.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/cargo.eclass
@@ -20,9 +20,7 @@ if [[ -z ${_CARGO_ECLASS} ]]; then
 _CARGO_ECLASS=1
 
 if [[ -n ${RUST_NEEDS_LLVM} ]]; then
-	if [[ -z ${_LLVM_R1_ECLASS} ]]; then
-		die "Please inherit llvm-r1.eclass before cargo.eclass when using RUST_NEEDS_LLVM"
-	fi
+		inherit llvm-r1
 fi
 
 if [[ -n ${CARGO_OPTIONAL} ]]; then
@@ -627,7 +625,11 @@ cargo_env() {
 cargo_src_compile() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	set -- ${CARGO} build $(usex debug "" --release) ${ECARGO_ARGS[@]} "$@"
+	if [[ -z "${CARGO}" ]]; then
+		die "CARGO is not set; was rust_pkg_setup run?"
+	fi
+
+	set -- "${CARGO}" build $(usex debug "" --release) ${ECARGO_ARGS[@]} "$@"
 	einfo "${@}"
 	cargo_env "${@}" || die "cargo build failed"
 }
@@ -641,7 +643,11 @@ cargo_src_compile() {
 cargo_src_install() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	set -- ${CARGO} install $(has --path ${@} || echo --path ./) \
+	if [[ -z "${CARGO}" ]]; then
+		die "CARGO is not set; was rust_pkg_setup run?"
+	fi
+
+	set -- "${CARGO}" install $(has --path ${@} || echo --path ./) \
 		--root "${ED}/usr" \
 		${GIT_CRATES[@]:+--frozen} \
 		$(usex debug --debug "") \
@@ -659,7 +665,11 @@ cargo_src_install() {
 cargo_src_test() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	set -- ${CARGO} test $(usex debug "" --release) ${ECARGO_ARGS[@]} "$@"
+	if [[ -z "${CARGO}" ]]; then
+		die "CARGO is not set; was rust_pkg_setup run?"
+	fi
+
+	set -- "${CARGO}" test $(usex debug "" --release) ${ECARGO_ARGS[@]} "$@"
 	einfo "${@}"
 	cargo_env "${@}" || die "cargo test failed"
 }