internal/rosa/package: migrate musl

This removes some legacy cruft, causing 2 rebuilds per stage.

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

internal/rosa/musl.go

@@ -1,94 +0,0 @@
-package rosa
-
-import "hakurei.app/internal/pkg"
-
-func (t Toolchain) newMusl(headers bool) (pkg.Artifact, string) {
-	const (
-		version  = "1.2.6"
-		checksum = "WtWb_OV_XxLDAB5NerOL9loLlHVadV00MmGk65PPBU1evaolagoMHfvpZp_vxEzS"
-	)
-
-	name := "musl"
-	helper := MakeHelper{
-		OmitDefaults: true,
-		SkipCheck:    true,
-		Script: `
-mkdir -p /work/system/bin
-COMPAT_LINKER_NAME="ld-musl-` + t.linuxArch() + `.so.1"
-ln -vs ../lib/libc.so /work/system/bin/linker
-ln -vs ../lib/libc.so /work/system/bin/ldd
-ln -vs libc.so "/work/system/lib/${COMPAT_LINKER_NAME}"
-rm -v "/work/lib/${COMPAT_LINKER_NAME}"
-rmdir -v /work/lib
-`,
-	}
-
-	if headers {
-		name += "-headers"
-		helper.Make = []string{
-			"DESTDIR=/work",
-			"install-headers",
-		}
-		helper.Install = "# headers installed during make"
-		helper.Script = ""
-	}
-
-	env := []string{
-		"LDFLAGS=" + t.earlyLDFLAGS(false),
-	}
-	if t.stage.isStage0() {
-		env = append(env,
-			"CC=clang",
-			"AR=ar",
-			"RANLIB=ranlib",
-		)
-	}
-
-	return t.NewPackage(name, version, newTar(
-		"https://musl.libc.org/releases/musl-"+version+".tar.gz",
-		checksum,
-		pkg.TarGzip,
-	), &PackageAttr{
-		// expected to be writable in copies
-		Chmod: true,
-
-		Env: env,
-
-		Patches: []KV{
-			{"ldso-rosa", `diff --git a/ldso/dynlink.c b/ldso/dynlink.c
-index 715948f4..c2fece68 100644
---- a/ldso/dynlink.c
-+++ b/ldso/dynlink.c
-@@ -1157,7 +1157,7 @@ static struct dso *load_library(const char *name, struct dso *needed_by)
- 					sys_path = "";
- 				}
- 			}
--			if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib";
-+			if (!sys_path) sys_path = "/system/lib:/system/lib/" LDSO_ARCH "-rosa-linux-musl:/lib:/usr/local/lib:/usr/lib";
- 			fd = path_open(name, sys_path, buf, sizeof buf);
- 		}
- 		pathname = buf;
-`},
-		},
-	}, &helper,
-		Coreutils,
-	), version
-}
-func init() {
-	native.mustRegister(func(t Toolchain) (pkg.Artifact, string) {
-		return t.newMusl(false)
-	}, &Metadata{
-		Name:        "musl",
-		Description: "an implementation of the C standard library",
-		Website:     "https://musl.libc.org/",
-
-		ID: 11688,
-	})
-
-	native.mustRegister(func(t Toolchain) (pkg.Artifact, string) {
-		return t.newMusl(true)
-	}, &Metadata{
-		Name:        "musl-headers",
-		Description: "system installation of musl headers",
-	})
-}

internal/rosa/package/musl/ldso-rosa.patch

@@ -0,0 +1,13 @@
+diff --git a/ldso/dynlink.c b/ldso/dynlink.c
+index 715948f4..c2fece68 100644
+--- a/ldso/dynlink.c
++++ b/ldso/dynlink.c
+@@ -1157,7 +1157,7 @@ static struct dso *load_library(const char *name, struct dso *needed_by)
+ 					sys_path = "";
+ 				}
+ 			}
+-			if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib";
++			if (!sys_path) sys_path = "/system/lib:/system/lib/" LDSO_ARCH "-rosa-linux-musl:/lib:/usr/local/lib:/usr/lib";
+ 			fd = path_open(name, sys_path, buf, sizeof buf);
+ 		}
+ 		pathname = buf;

internal/rosa/package/musl/package.az

@@ -0,0 +1,70 @@
+package musl-source {
+	description = "an implementation of the C standard library - source code";
+
+	version* = "1.2.6";
+	output = remoteTar {
+		url = "https://musl.libc.org/releases/musl-"+version+".tar.gz";
+		checksum = "WtWb_OV_XxLDAB5NerOL9loLlHVadV00MmGk65PPBU1evaolagoMHfvpZp_vxEzS";
+		compress = gzip;
+	};
+}
+
+package musl-headers {
+	description = "system installation of musl headers";
+
+	source = musl-source;
+
+	// expected to be writable in copies
+	chmod = true;
+
+	env = [
+		"LDFLAGS=" + earlyLDFLAGS,
+	];
+
+	exec = make {
+		omitDefaults = true;
+		skipCheck = true;
+
+		make = [
+			"DESTDIR=/work",
+			"install-headers",
+		];
+
+		install = "# headers installed during make";
+	};
+
+	inputs = [ coreutils ];
+}
+
+package musl {
+	description = "an implementation of the C standard library";
+	website = "https://musl.libc.org";
+	anitya = 11688;
+
+	source = musl-source;
+	patches = [ "ldso-rosa.patch" ];
+
+	// expected to be writable in copies
+	chmod = true;
+
+	env = [
+		"LDFLAGS=" + earlyLDFLAGS,
+	];
+
+	exec = make {
+		omitDefaults = true;
+		skipCheck = true;
+
+		postInstall = `
+mkdir -p /work/system/bin
+COMPAT_LINKER_NAME="ld-musl-` + linuxArch + `.so.1"
+ln -vs ../lib/libc.so /work/system/bin/linker
+ln -vs ../lib/libc.so /work/system/bin/ldd
+ln -vs libc.so "/work/system/lib/${COMPAT_LINKER_NAME}"
+rm -v "/work/lib/${COMPAT_LINKER_NAME}"
+rmdir -v /work/lib
+`;
+	};
+
+	inputs = [ coreutils ];
+}

internal/rosa/state.go

@@ -435,6 +435,7 @@ func (s *S) getFrame() azalea.Frame {
 
 		s.frame.Val = map[unique.Handle[azalea.Ident]]any{
 			k("linuxArch"):    s.linuxArch(),
+			k("earlyLDFLAGS"): s.earlyLDFLAGS(false),
 
 			k("jobsE"):      jobsE,
 			k("jobsFlagE"):  jobsFlagE,