internal/rosa: migrate early-compiler-rt to azalea

Had to do the cmake hack for now due to evaluator limitation with inherited version.

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

internal/rosa/llvm.go

@@ -48,69 +48,6 @@ func litArgs(verbose bool, skipChecks ...string) string {
 }
 
 func init() {
-	native.MustRegister("early-compiler-rt", func(t Toolchain) (*Metadata, pkg.Artifact) {
-		meta := Metadata{
-			Name:        "early-compiler-rt",
-			Description: "early LLVM runtime: compiler-rt",
-
-			Dependencies: P{_musl},
-		}
-		_meta, source := t.MustLoad(_llvmSource)
-		meta.Version = _meta.Version
-		major, _, _ := strings.Cut(meta.Version, ".")
-		return &meta, t.NewPackage("early-compiler-rt", meta.Version, source, &PackageAttr{
-			Flag: TExclusive,
-		}, &CMakeHelper{
-			Append: []string{"compiler-rt"},
-
-			Cache: []KV{
-				{"ENABLE_LINKER_BUILD_ID", "ON"},
-
-				// libc++ not yet available
-				{"CMAKE_CXX_COMPILER_TARGET", ""},
-
-				{"LLVM_HOST_TRIPLE", `"${ROSA_TRIPLE}"`},
-				{"LLVM_DEFAULT_TARGET_TRIPLE", `"${ROSA_TRIPLE}"`},
-				{"LLVM_ENABLE_RTTI", "ON"},
-				{"LLVM_BUILD_LLVM_DYLIB", "ON"},
-				{"LLVM_LINK_LLVM_DYLIB", "ON"},
-				{"LLVM_ENABLE_PER_TARGET_RUNTIME_DIR", "ON"},
-
-				{"COMPILER_RT_BUILD_BUILTINS", "ON"},
-				{"COMPILER_RT_DEFAULT_TARGET_ONLY", "ON"},
-				{"COMPILER_RT_USE_BUILTINS_LIBRARY", "ON"},
-				{"COMPILER_RT_SANITIZERS_TO_BUILD", "asan"},
-				{"COMPILER_RT_BUILD_GWP_ASAN", "OFF"},
-
-				// does not work without libunwind
-				{"COMPILER_RT_BUILD_CTX_PROFILE", "OFF"},
-				{"COMPILER_RT_BUILD_LIBFUZZER", "OFF"},
-				{"COMPILER_RT_BUILD_MEMPROF", "OFF"},
-				{"COMPILER_RT_BUILD_PROFILE", "OFF"},
-				{"COMPILER_RT_BUILD_XRAY", "OFF"},
-			},
-			SkipTest: true,
-			Script: `
-mkdir -p "/work/system/lib/clang/` + major + `/lib/"
-ln -s \
-	"../../../${ROSA_TRIPLE}" \
-	"/work/system/lib/clang/` + major + `/lib/"
-
-ln -s \
-	"clang_rt.crtbegin-` + t.linuxArch() + `.o" \
-	"/work/system/lib/${ROSA_TRIPLE}/crtbeginS.o"
-ln -s \
-	"clang_rt.crtend-` + t.linuxArch() + `.o" \
-	"/work/system/lib/${ROSA_TRIPLE}/crtendS.o"
-`,
-		},
-			_pythonEarly,
-
-			_muslHeaders,
-			_kernelHeaders,
-		)
-	})
-
 	native.MustRegister("llvm", func(t Toolchain) (*Metadata, pkg.Artifact) {
 		meta := Metadata{
 			Name:        "llvm",

internal/rosa/package/llvm/package.az

@@ -17,6 +17,71 @@ package llvm-project {
 	];
 }
 
+package early-compiler-rt {
+	description = "early LLVM runtime: compiler-rt";
+	source = llvm-project;
+
+	exclusive = true;
+	early = `
+LLVM_VERSION_MAJOR="$(cmake -P /dev/stdin <<< '
+include(cmake/Modules/LLVMVersion.cmake)
+message(NOTICE "${LLVM_VERSION_MAJOR}")
+' 2>&1)"
+`;
+	exec = cmake {
+		append = [ "compiler-rt" ];
+		cache = {
+			"ENABLE_LINKER_BUILD_ID": "ON";
+
+			// libc++ not yet available
+			"CMAKE_CXX_COMPILER_TARGET": "";
+
+			"LLVM_HOST_TRIPLE": `"${ROSA_TRIPLE}"`;
+			"LLVM_DEFAULT_TARGET_TRIPLE": `"${ROSA_TRIPLE}"`;
+			"LLVM_ENABLE_RTTI": "ON";
+			"LLVM_BUILD_LLVM_DYLIB": "ON";
+			"LLVM_LINK_LLVM_DYLIB": "ON";
+			"LLVM_ENABLE_PER_TARGET_RUNTIME_DIR": "ON";
+
+			"COMPILER_RT_BUILD_BUILTINS": "ON";
+			"COMPILER_RT_DEFAULT_TARGET_ONLY": "ON";
+			"COMPILER_RT_USE_BUILTINS_LIBRARY": "ON";
+			"COMPILER_RT_SANITIZERS_TO_BUILD": "asan";
+			"COMPILER_RT_BUILD_GWP_ASAN": "OFF";
+
+			// does not work without libunwind
+			"COMPILER_RT_BUILD_CTX_PROFILE": "OFF";
+			"COMPILER_RT_BUILD_LIBFUZZER": "OFF";
+			"COMPILER_RT_BUILD_MEMPROF": "OFF";
+			"COMPILER_RT_BUILD_PROFILE": "OFF";
+			"COMPILER_RT_BUILD_XRAY": "OFF";
+		};
+		skipTest = true;
+		postInstall = `
+mkdir -p "/work/system/lib/clang/$LLVM_VERSION_MAJOR/lib/"
+ln -s \
+	"../../../${ROSA_TRIPLE}" \
+	"/work/system/lib/clang/$LLVM_VERSION_MAJOR/lib/"
+
+ln -s \
+	"clang_rt.crtbegin-`+linuxArch+`.o" \
+	"/work/system/lib/${ROSA_TRIPLE}/crtbeginS.o"
+ln -s \
+	"clang_rt.crtend-`+linuxArch+`.o" \
+	"/work/system/lib/${ROSA_TRIPLE}/crtendS.o"
+`;
+	};
+
+	inputs = [
+		python-early,
+
+		musl-headers,
+		kernel-headers,
+	];
+
+	runtime = [ musl ];
+}
+
 package early-runtimes {
 	description = "early LLVM runtimes: libunwind, libcxx, libcxxabi";
 	source = llvm-project;