Merge "Define __INTRODUCED_IN_LLNDK" into main am: fb97c97932
Original change: https://android-review.googlesource.com/c/platform/system/core/+/2975232
Change-Id: Ia41f02cdcb1053272e985bf55ab977c009f28a22
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libvendorsupport/Android.bp b/libvendorsupport/Android.bp
index b4457b1..74e3f00 100644
--- a/libvendorsupport/Android.bp
+++ b/libvendorsupport/Android.bp
@@ -34,3 +34,21 @@
"liblog",
],
}
+
+cc_library_headers {
+ name: "libvendorsupport_llndk_headers",
+ host_supported: true,
+ vendor_available: true,
+ recovery_available: true,
+ ramdisk_available: true,
+ vendor_ramdisk_available: true,
+ native_bridge_supported: true,
+
+ export_include_dirs: ["include_llndk"],
+ llndk: {
+ llndk_headers: true,
+ },
+
+ system_shared_libs: [],
+ stl: "none",
+}
diff --git a/libvendorsupport/include_llndk/android/llndk-versioning.h b/libvendorsupport/include_llndk/android/llndk-versioning.h
new file mode 100644
index 0000000..7c408c9
--- /dev/null
+++ b/libvendorsupport/include_llndk/android/llndk-versioning.h
@@ -0,0 +1,48 @@
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#if defined(__ANDROID_VENDOR__)
+
+// LLNDK (https://source.android.com/docs/core/architecture/vndk/build-system#ll-ndk) is similar to
+// NDK, but uses its own versioning of YYYYMM format for vendor builds. The LLNDK symbols are
+// enabled when the vendor api level is equal to or newer than the ro.board.api_level.
+#define __INTRODUCED_IN_LLNDK(vendor_api_level) \
+ _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \
+ __attribute__((enable_if( \
+ __ANDROID_VENDOR_API__ >= vendor_api_level, \
+ "available in vendor API level " #vendor_api_level " that " \
+ "is newer than the current vendor API level. Guard the API " \
+ "call with '#if (__ANDROID_VENDOR_API__ >= " #vendor_api_level ")'."))) \
+ _Pragma("clang diagnostic pop")
+
+// For the vendor libraries, __INTRODUCED_IN must be ignored because they are only for NDKs but not
+// for LLNDKs.
+#undef __INTRODUCED_IN
+#define __INTRODUCED_IN(x)
+
+#else // __ANDROID_VENDOR__
+
+// For non-vendor libraries, __INTRODUCED_IN_LLNDK must be ignored because it must not change
+// symbols of NDK or the system side of the treble boundary.
+#define __INTRODUCED_IN_LLNDK(vendor_api_level)
+
+#endif // __ANDROID_VENDOR__
+
+__END_DECLS