diff --git a/android/api_levels.go b/android/api_levels.go
index 9bc7e83..84ab27c 100644
--- a/android/api_levels.go
+++ b/android/api_levels.go
@@ -158,6 +158,21 @@
 // The first version that introduced 64-bit ABIs.
 var FirstLp64Version = uncheckedFinalApiLevel(21)
 
+// Android has had various kinds of packed relocations over the years
+// (http://b/187907243).
+//
+// API level 30 is where the now-standard SHT_RELR is available.
+var FirstShtRelrVersion = uncheckedFinalApiLevel(30)
+
+// API level 28 introduced SHT_RELR when it was still Android-only, and used an
+// Android-specific relocation.
+var FirstAndroidRelrVersion = uncheckedFinalApiLevel(28)
+
+// API level 23 was when we first had the Chrome relocation packer, which is
+// obsolete and has been removed, but lld can now generate compatible packed
+// relocations itself.
+var FirstPackedRelocationsVersion = uncheckedFinalApiLevel(23)
+
 // The first API level that does not require NDK code to link
 // libandroid_support.
 var FirstNonLibAndroidSupportVersion = uncheckedFinalApiLevel(21)
diff --git a/cc/linker.go b/cc/linker.go
index a9930ad..196806d 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -18,7 +18,6 @@
 	"android/soong/android"
 	"android/soong/cc/config"
 	"fmt"
-	"strconv"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -390,17 +389,17 @@
 }
 
 // Check whether the SDK version is not older than the specific one
-func CheckSdkVersionAtLeast(ctx ModuleContext, SdkVersion int) bool {
-	if ctx.sdkVersion() == "current" {
+func CheckSdkVersionAtLeast(ctx ModuleContext, SdkVersion android.ApiLevel) bool {
+	if ctx.minSdkVersion() == "current" {
 		return true
 	}
-	parsedSdkVersion, err := strconv.Atoi(ctx.sdkVersion())
+	parsedSdkVersion, err := android.ApiLevelFromUser(ctx, ctx.minSdkVersion())
 	if err != nil {
-		ctx.PropertyErrorf("sdk_version",
-			"Invalid sdk_version value (must be int or current): %q",
-			ctx.sdkVersion())
+		ctx.PropertyErrorf("min_sdk_version",
+			"Invalid min_sdk_version value (must be int or current): %q",
+			ctx.minSdkVersion())
 	}
-	if parsedSdkVersion < SdkVersion {
+	if parsedSdkVersion.LessThan(SdkVersion) {
 		return false
 	}
 	return true
@@ -425,13 +424,13 @@
 			// ANDROID_RELR relocations were supported at API level >= 28.
 			// Relocation packer was supported at API level >= 23.
 			// Do the best we can...
-			if !ctx.useSdk() || CheckSdkVersionAtLeast(ctx, 30) {
+			if !ctx.useSdk() || CheckSdkVersionAtLeast(ctx, android.FirstShtRelrVersion) {
 				flags.Global.LdFlags = append(flags.Global.LdFlags, "-Wl,--pack-dyn-relocs=android+relr")
-			} else if CheckSdkVersionAtLeast(ctx, 28) {
+			} else if CheckSdkVersionAtLeast(ctx, android.FirstAndroidRelrVersion) {
 				flags.Global.LdFlags = append(flags.Global.LdFlags,
 					"-Wl,--pack-dyn-relocs=android+relr",
 					"-Wl,--use-android-relr-tags")
-			} else if CheckSdkVersionAtLeast(ctx, 23) {
+			} else if CheckSdkVersionAtLeast(ctx, android.FirstPackedRelocationsVersion) {
 				flags.Global.LdFlags = append(flags.Global.LdFlags, "-Wl,--pack-dyn-relocs=android")
 			}
 		}