build: rewritten the Android build system

Completely rewritten the Android build system using Python

Co-Authored-By: 东灯 <43312495+Lampese@users.noreply.github.com>
Co-Authored-By: Feng Yu <F3n67u@outlook.com>
PR-URL: https://github.com/nodejs/node/pull/44207
Refs: https://github.com/nodejs/node/issues/36287
Reviewed-By: Feng Yu <F3n67u@outlook.com>
Reviewed-By: Christian Clauss <cclauss@me.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/android_configure.py b/android_configure.py
new file mode 100644
index 00000000000..57d94023915
--- /dev/null
+++ b/android_configure.py
@@ -0,0 +1,76 @@
+import platform
+import sys
+import os
+
+# TODO: In next version, it will be a JSON file listing all the patches, and then it will iterate through to apply them.
+def patch_android():
+    print("- Patches List -")
+    print("[1] [deps/v8/src/trap-handler/trap-handler.h] related to https://github.com/nodejs/node/issues/36287")
+    if platform.system() == "Linux":
+        os.system('patch -f ./deps/v8/src/trap-handler/trap-handler.h < ./android-patches/trap-handler.h.patch')
+    print("\033[92mInfo: \033[0m" + "Tried to patch.")
+
+if platform.system() == "Windows":
+    print("android-configure is not supported on Windows yet.")
+    sys.exit(1)
+
+if len(sys.argv) == 2 and sys.argv[1] == "patch":
+    patch_android()
+    sys.exit(0)
+
+if len(sys.argv) != 4:
+    print("Usage: ./android-configure [patch] <path to the Android NDK> <Android SDK version> <target architecture>")
+    sys.exit(1)
+
+if not os.path.exists(sys.argv[1]) or not os.listdir(sys.argv[1]):
+    print("\033[91mError: \033[0m" + "Invalid path to the Android NDK")
+    sys.exit(1)
+
+if int(sys.argv[2]) < 24:
+    print("\033[91mError: \033[0m" + "Android SDK version must be at least 24 (Android 7.0)")
+    sys.exit(1)
+
+android_ndk_path = sys.argv[1]
+android_sdk_version = sys.argv[2]
+arch = sys.argv[3]
+
+if arch == "arm":
+    DEST_CPU = "arm"
+    TOOLCHAIN_PREFIX = "armv7a-linux-androideabi"
+elif arch in ("aarch64", "arm64"):
+    DEST_CPU = "arm64"
+    TOOLCHAIN_PREFIX = "aarch64-linux-android"
+    arch = "arm64"
+elif arch == "x86":
+    DEST_CPU = "ia32"
+    TOOLCHAIN_PREFIX = "i686-linux-android"
+elif arch == "x86_64":
+    DEST_CPU = "x64"
+    TOOLCHAIN_PREFIX = "x86_64-linux-android"
+    arch = "x64"
+else:
+    print("\033[91mError: \033[0m" + "Invalid target architecture, must be one of: arm, arm64, aarch64, x86, x86_64")
+    sys.exit(1)
+
+print("\033[92mInfo: \033[0m" + "Configuring for " + DEST_CPU + "...")
+
+if platform.system() == "Darwin":
+    host_os = "darwin"
+    toolchain_path = android_ndk_path + "/toolchains/llvm/prebuilt/darwin-x86_64"
+
+elif platform.system() == "Linux":
+    host_os = "linux"
+    toolchain_path = android_ndk_path + "/toolchains/llvm/prebuilt/linux-x86_64"
+
+os.environ['PATH'] += os.pathsep + toolchain_path + "/bin"
+os.environ['CC'] = toolchain_path + "/bin/" + TOOLCHAIN_PREFIX + android_sdk_version + "-" +  "clang"
+os.environ['CXX'] = toolchain_path + "/bin/" + TOOLCHAIN_PREFIX + android_sdk_version + "-" + "clang++"
+
+GYP_DEFINES = "target_arch=" + arch
+GYP_DEFINES += " v8_target_arch=" + arch
+GYP_DEFINES += " android_target_arch=" + arch
+GYP_DEFINES += " host_os=" + host_os + " OS=android"
+os.environ['GYP_DEFINES'] = GYP_DEFINES
+
+if os.path.exists("./configure"):
+    os.system("./configure --dest-cpu=" + DEST_CPU + " --dest-os=android --openssl-no-asm --cross-compiling")