From 178305cb22a04f9c68a0e6fdce03ecede4ef5917 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Fri, 20 Feb 2026 21:50:33 +0900
Subject: [PATCH] internal/rosa: elfutils artifact

Required by the kernel.

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 internal/rosa/all.go      |  2 ++
 internal/rosa/elfutils.go | 41 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 internal/rosa/elfutils.go

diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index c3ffb94..f29599f 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -24,6 +24,7 @@ const (
 	Curl
 	DTC
 	Diffutils
+	Elfutils
 	Findutils
 	Flex
 	Fuse
@@ -142,6 +143,7 @@ func ResolveName(name string) (p PArtifact, ok bool) {
 		"curl":              Curl,
 		"dtc":               DTC,
 		"diffutils":         Diffutils,
+		"elfutils":          Elfutils,
 		"findutils":         Findutils,
 		"flex":              Flex,
 		"fuse":              Fuse,
diff --git a/internal/rosa/elfutils.go b/internal/rosa/elfutils.go
new file mode 100644
index 0000000..ea9dcb6
--- /dev/null
+++ b/internal/rosa/elfutils.go
@@ -0,0 +1,41 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newElfutils() pkg.Artifact {
+	const (
+		version  = "0.194"
+		checksum = "Q3XUygUPv9vR1TkWucwUsQ8Kb1_F6gzk-KMPELr3cC_4AcTrprhVPMvN0CKkiYRa"
+	)
+	return t.NewViaMake("elfutils", version, pkg.NewHTTPGetTar(
+		nil, "https://sourceware.org/elfutils/ftp/"+
+			version+"/elfutils-"+version+".tar.bz2",
+		mustDecode(checksum),
+		pkg.TarBzip2,
+	), &MakeAttr{
+		Env: []string{
+			"CC=cc" +
+				// nonstandard glibc extension
+				" -DFNM_EXTMATCH=0",
+		},
+
+		// nonstandard glibc extension
+		SkipCheck: true,
+
+		Configure: [][2]string{
+			{"enable-deterministic-archives"},
+		},
+	},
+		t.Load(M4),
+		t.Load(PkgConfig),
+
+		t.Load(Zlib),
+		t.Load(Bzip2),
+		t.Load(Zstd),
+		t.Load(ArgpStandalone),
+		t.Load(MuslFts),
+		t.Load(MuslObstack),
+		t.Load(KernelHeaders),
+	)
+}
+func init() { artifactsF[Elfutils] = Toolchain.newElfutils }