internal/rosa/llvm: migrate libclc

This eliminates newLLVMVariant.

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

internal/rosa/llvm.go

@@ -2,7 +2,6 @@ package rosa
 
 import (
 	"runtime"
-	"slices"
 
 	"hakurei.app/internal/pkg"
 )
@@ -14,59 +13,6 @@ var llvmSource = newFromGitHub(
 	llvmChecksum,
 )
 
-// llvmAttr holds the attributes that will be applied to a new [pkg.Artifact]
-// containing a LLVM variant.
-type llvmAttr struct {
-	// Concatenated with default environment for PackageAttr.Env.
-	env []string
-	// Concatenated with generated entries for CMakeHelper.Cache.
-	cmake []KV
-	// Override CMakeHelper.Append.
-	append []string
-	// Passed through to PackageAttr.NonStage0.
-	nonStage0 []pkg.Artifact
-	// Concatenated with default fixup for CMakeHelper.Script.
-	script string
-
-	// Patch name and body pairs.
-	patches []KV
-}
-
-// newLLVMVariant returns a [pkg.Artifact] containing a LLVM variant.
-func (t Toolchain) newLLVMVariant(variant string, attr *llvmAttr) pkg.Artifact {
-	if attr == nil {
-		panic("LLVM attr must be non-nil")
-	}
-
-	cmakeAppend := []string{"llvm"}
-	if attr.append != nil {
-		cmakeAppend = attr.append
-	}
-
-	return t.NewPackage("llvm", llvmVersion, llvmSource, &PackageAttr{
-		Patches:   slices.Concat(attr.patches, llvmPatches),
-		NonStage0: attr.nonStage0,
-		Env:       attr.env,
-		Flag:      TExclusive,
-	}, &CMakeHelper{
-		Variant: variant,
-
-		Cache:  attr.cmake,
-		Append: cmakeAppend,
-		Script: attr.script,
-	},
-		Python,
-		Perl,
-		Diffutils,
-		Bash,
-		Gawk,
-		Coreutils,
-		Findutils,
-
-		KernelHeaders,
-	)
-}
-
 func (t Toolchain) newCompilerRT() (pkg.Artifact, string) {
 	muslHeaders, _ := t.newMusl(true)
 	return t.NewPackage("llvm", llvmVersion, llvmSource, &PackageAttr{
@@ -282,22 +228,27 @@ func init() {
 
 		ID: 1830,
 	}
+}
 
-	artifactsM[Libclc] = Metadata{
+func (t Toolchain) newLibclc() (pkg.Artifact, string) {
-		f: func(t Toolchain) (pkg.Artifact, string) {
+	return t.NewPackage("llvm", llvmVersion, llvmSource, nil, &CMakeHelper{
-			return t.newLLVMVariant("libclc", &llvmAttr{
+		Variant: "libclc",
-				cmake: []KV{
+		Append:  []string{"libclc"},
-					{"CMAKE_BUILD_TYPE", "Release"},
 
-					{"LLVM_HOST_TRIPLE", `"${ROSA_TRIPLE}"`},
+		Cache: []KV{
-					{"LLVM_DEFAULT_TARGET_TRIPLE", `"${ROSA_TRIPLE}"`},
+			{"CMAKE_BUILD_TYPE", "Release"},
 
-					{"LIBCLC_TARGETS_TO_BUILD", "all"},
+			{"LLVM_HOST_TRIPLE", `"${ROSA_TRIPLE}"`},
-				},
+			{"LLVM_DEFAULT_TARGET_TRIPLE", `"${ROSA_TRIPLE}"`},
-				append: []string{"libclc"},
+
-				script: "ninja test",
+			{"LIBCLC_TARGETS_TO_BUILD", "all"},
-			}), llvmVersion
 		},
+		Script: "ninja test",
+	}), llvmVersion
+}
+func init() {
+	artifactsM[Libclc] = Metadata{
+		f: Toolchain.newLibclc,
 
 		Name:        "libclc",
 		Description: "an open source, BSD/MIT dual licensed implementation of the library requirements of the OpenCL C programming language",