From 6420b6e6e881c67f19e7f4d37dc612d19a0c0b93 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Thu, 22 Jan 2026 02:47:47 +0900
Subject: [PATCH] internal/rosa: libffi artifact

Required by python during llvm test suite.

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 internal/rosa/gnu.go    |  1 -
 internal/rosa/libffi.go | 28 ++++++++++++++++++++++++++++
 internal/rosa/llvm.go   |  1 +
 internal/rosa/python.go |  1 +
 4 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 internal/rosa/libffi.go

diff --git a/internal/rosa/gnu.go b/internal/rosa/gnu.go
index b509cf5..c609f68 100644
--- a/internal/rosa/gnu.go
+++ b/internal/rosa/gnu.go
@@ -48,7 +48,6 @@ make DESTDIR=/work install
 		mustDecode(checksum),
 		pkg.TarBzip2,
 	)))
-
 }
 
 // NewAutoconf returns a [pkg.Artifact] containing an installation of GNU Autoconf.
diff --git a/internal/rosa/libffi.go b/internal/rosa/libffi.go
new file mode 100644
index 0000000..3c39005
--- /dev/null
+++ b/internal/rosa/libffi.go
@@ -0,0 +1,28 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+// NewLibffi returns a [pkg.Artifact] containing an installation of libffi.
+func (t Toolchain) NewLibffi() pkg.Artifact {
+	const (
+		version  = "3.4.5"
+		checksum = "apIJzypF4rDudeRoI_n3K7N-zCeBLTbQlHRn9NSAZqdLAWA80mR0gXPTpHsL7oMl"
+	)
+	return t.New("libffi-"+version, []pkg.Artifact{
+		t.NewMake(),
+		t.NewKernelHeaders(),
+	}, nil, nil, `
+cd "$(mktemp -d)"
+/usr/src/libffi/configure \
+	--prefix=/system \
+	--build="${ROSA_TRIPLE}"
+make "-j$(nproc)" check
+make DESTDIR=/work install
+`, pkg.Path(AbsUsrSrc.Append("libffi"), false, pkg.NewHTTPGetTar(
+		nil,
+		"https://github.com/libffi/libffi/releases/download/"+
+			"v"+version+"/libffi-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	)))
+}
diff --git a/internal/rosa/llvm.go b/internal/rosa/llvm.go
index 28e65ec..4d2caf8 100644
--- a/internal/rosa/llvm.go
+++ b/internal/rosa/llvm.go
@@ -125,6 +125,7 @@ func (t Toolchain) newLLVM(variant string, attr *llvmAttr) pkg.Artifact {
 	}
 
 	extra := []pkg.Artifact{
+		t.NewLibffi(),
 		t.NewPython(),
 		t.NewKernelHeaders(),
 	}
diff --git a/internal/rosa/python.go b/internal/rosa/python.go
index 3e82427..8fbc74f 100644
--- a/internal/rosa/python.go
+++ b/internal/rosa/python.go
@@ -36,6 +36,7 @@ func (t Toolchain) NewPython() pkg.Artifact {
 	return t.New("python-"+version, []pkg.Artifact{
 		t.NewMake(),
 		t.NewZlib(),
+		t.NewLibffi(),
 	}, nil, []string{
 		"EXTRATESTOPTS=-j0 -x " + strings.Join(skipTests, " -x "),
 	}, `