internal/rosa: make helper

This change only migrates artifacts that remain unchanged under the helper, so this change should not cause any rebuilds.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/make.go

@@ -1,6 +1,11 @@
 package rosa
 
-import "hakurei.app/internal/pkg"
+import (
+	"slices"
+	"strings"
+
+	"hakurei.app/internal/pkg"
+)
 
 func (t Toolchain) newMake() pkg.Artifact {
 	const (
@@ -23,3 +28,105 @@ cd "$(mktemp -d)"
 	)))
 }
 func init() { artifactsF[Make] = Toolchain.newMake }
+
+// MakeAttr holds the project-specific attributes that will be applied to a new
+// [pkg.Artifact] compiled via [Make].
+type MakeAttr struct {
+	// Mount the source tree writable.
+	Writable bool
+
+	// Do not include default extras.
+	OmitDefaults bool
+
+	// Additional environment variables.
+	Env []string
+	// Runs before cmake.
+	ScriptEarly string
+	// Runs after cmake.
+	Script string
+
+	// Flags passed to the configure script.
+	Configure [][2]string
+	// Target triple, zero value is equivalent to the Rosa OS triple.
+	Build string
+	// Whether to skip the check target.
+	SkipCheck bool
+
+	// Suffix appended to the source pathname.
+	SourceSuffix string
+
+	// Passed through to [Toolchain.New].
+	Flag int
+}
+
+// NewViaMake returns a [pkg.Artifact] for compiling and installing via [Make].
+func (t Toolchain) NewViaMake(
+	name, version string,
+	source pkg.Artifact,
+	attr *MakeAttr,
+	extra ...pkg.Artifact,
+) pkg.Artifact {
+	if name == "" || version == "" {
+		panic("names must be non-empty")
+	}
+	if attr == nil {
+		attr = new(MakeAttr)
+	}
+	build := `"${ROSA_TRIPLE}"`
+	if attr.Build != "" {
+		build = attr.Build
+	}
+
+	var configureFlags string
+	if len(attr.Configure) > 0 {
+		const sep = " \\\n\t"
+		configureFlags += sep + strings.Join(
+			slices.Collect(func(yield func(string) bool) {
+				for _, v := range attr.Configure {
+					s := v[0]
+					if v[1] == "" || (v[0] != "" &&
+						v[0][0] >= 'a' &&
+						v[0][0] <= 'z') {
+						s = "--" + s
+					}
+					if v[1] != "" {
+						s += "=" + v[1]
+					}
+					if !yield(s) {
+						return
+					}
+				}
+			}),
+			sep,
+		)
+	}
+
+	defaults := []pkg.Artifact{
+		t.Load(Make),
+	}
+	if attr.OmitDefaults || attr.Flag&TEarly == 0 {
+		defaults = append(defaults,
+			t.Load(Gawk),
+			t.Load(Coreutils),
+		)
+	}
+
+	var makeSuffix string
+	if !attr.SkipCheck {
+		makeSuffix += " check"
+	}
+
+	return t.New(name+"-"+version, attr.Flag, stage3Concat(t,
+		defaults,
+		extra...,
+	), nil, attr.Env, attr.ScriptEarly+`
+cd "$(mktemp -d)"
+/usr/src/`+name+`/configure \
+	--prefix=/system \
+	--build=`+build+configureFlags+`
+make "-j$(nproc)"`+makeSuffix+`
+make DESTDIR=/work install
+`+attr.Script, pkg.Path(AbsUsrSrc.Append(
+		name+attr.SourceSuffix,
+	), attr.Writable, source))
+}