From fa6d7d2e92c57a9e0efe108a5c6ec7d2adace251 Mon Sep 17 00:00:00 2001
From: Bertrand Jacquin <bertrand@jacquin.bzh>
Date: Tue, 13 Dec 2022 01:02:50 +0000
Subject: eclass/linux-build: add support for rust

---
 eclass/linux-build.eclass | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'eclass')

diff --git a/eclass/linux-build.eclass b/eclass/linux-build.eclass
index 7682fda0..85c73a12 100644
--- a/eclass/linux-build.eclass
+++ b/eclass/linux-build.eclass
@@ -40,8 +40,9 @@ BUILDDIR="${WORKDIR}/build"
 KV_EXTRA="${EXTRAVERSION}"
 S="${SRCDIR}"
 
-IUSE="build llvm source"
-REQUIRED_USE="symlink? ( source )"
+IUSE="build llvm rust source"
+REQUIRED_USE="symlink? ( source )
+	rust? ( llvm )"
 
 BDEPEND="${BDEPEND}
 	sys-devel/bc
@@ -52,6 +53,10 @@ BDEPEND="${BDEPEND}
 		sys-devel/clang:=
 		sys-devel/llvm:=
 		sys-devel/lld:=
+	)
+	rust? (
+		dev-lang/rust:=[rust-src]
+		<=dev-util/bindgen-0.62.0
 	)"
 DEPEND="${DEPEND}
 	sys-apps/kmod"
@@ -580,6 +585,14 @@ linux-build_src_prepare() {
 		)
 	fi
 
+	if use rust ; then
+		copt+=(
+			HOSTRUSTC=rustc
+			RUSTC=rustc
+			BINDGEN=bindgen
+		)
+	fi
+
 	copt+=(
 		PKG_CONFIG="$(tc-getPKG_CONFIG)"
 		PYTHON3="${PYTHON}"
-- 
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