diff options
Diffstat (limited to 'platform/android/detect.py')
| -rw-r--r-- | platform/android/detect.py | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/platform/android/detect.py b/platform/android/detect.py index 650606ff8b..5f0fcc9b77 100644 --- a/platform/android/detect.py +++ b/platform/android/detect.py @@ -13,7 +13,7 @@ def get_name(): def can_build(): - return "ANDROID_NDK_ROOT" in os.environ + return ("ANDROID_SDK_ROOT" in os.environ) or ("ANDROID_HOME" in os.environ) def get_platform(platform): @@ -24,13 +24,33 @@ def get_opts(): from SCons.Variables import BoolVariable, EnumVariable return [ - ("ANDROID_NDK_ROOT", "Path to the Android NDK", os.environ.get("ANDROID_NDK_ROOT", 0)), + ("ANDROID_NDK_ROOT", "Path to the Android NDK", get_android_ndk_root()), + ("ANDROID_SDK_ROOT", "Path to the Android SDK", get_android_sdk_root()), ("ndk_platform", 'Target platform (android-<api>, e.g. "android-24")', "android-24"), EnumVariable("android_arch", "Target architecture", "armv7", ("armv7", "arm64v8", "x86", "x86_64")), BoolVariable("android_neon", "Enable NEON support (armv7 only)", True), ] +# Return the ANDROID_SDK_ROOT environment variable. +# While ANDROID_HOME has been deprecated, it's used as a fallback for backward +# compatibility purposes. +def get_android_sdk_root(): + if "ANDROID_SDK_ROOT" in os.environ: + return os.environ.get("ANDROID_SDK_ROOT", 0) + else: + return os.environ.get("ANDROID_HOME", 0) + + +# Return the ANDROID_NDK_ROOT environment variable. +# We generate one for this build using the ANDROID_SDK_ROOT env +# variable and the project ndk version. +# If the env variable is already defined, we override it with +# our own to match what the project expects. +def get_android_ndk_root(): + return get_android_sdk_root() + "/ndk/" + get_project_ndk_version() + + def get_flags(): return [ ("tools", False), @@ -47,7 +67,31 @@ def create(env): return env.Clone(tools=tools) +# Check if ANDROID_NDK_ROOT is valid. +# If not, install the ndk using ANDROID_SDK_ROOT and sdkmanager. +def install_ndk_if_needed(env): + print("Checking for Android NDK...") + env_ndk_version = get_env_ndk_version(env["ANDROID_NDK_ROOT"]) + if env_ndk_version is None: + # Reinstall the ndk and update ANDROID_NDK_ROOT. + print("Installing Android NDK...") + if env["ANDROID_SDK_ROOT"] is None: + raise Exception("Invalid ANDROID_SDK_ROOT environment variable.") + + import subprocess + + extension = ".bat" if os.name == "nt" else "" + sdkmanager_path = env["ANDROID_SDK_ROOT"] + "/cmdline-tools/latest/bin/sdkmanager" + extension + ndk_download_args = "ndk;" + get_project_ndk_version() + subprocess.check_call([sdkmanager_path, ndk_download_args]) + + env["ANDROID_NDK_ROOT"] = env["ANDROID_SDK_ROOT"] + "/ndk/" + get_project_ndk_version() + print("ANDROID_NDK_ROOT: " + env["ANDROID_NDK_ROOT"]) + + def configure(env): + install_ndk_if_needed(env) + # Workaround for MinGW. See: # http://www.scons.org/wiki/LongCmdLinesOnWin32 if os.name == "nt": @@ -270,7 +314,7 @@ def configure(env): # Link flags - ndk_version = get_ndk_version(env["ANDROID_NDK_ROOT"]) + ndk_version = get_env_ndk_version(env["ANDROID_NDK_ROOT"]) if ndk_version != None and LooseVersion(ndk_version) >= LooseVersion("17.1.4828580"): env.Append(LINKFLAGS=["-Wl,--exclude-libs,libgcc.a", "-Wl,--exclude-libs,libatomic.a", "-nostdlib++"]) else: @@ -323,8 +367,14 @@ def configure(env): env.Append(LIBS=["OpenSLES", "EGL", "GLESv2", "vulkan", "android", "log", "z", "dl"]) +# Return the project NDK version. +# This is kept in sync with the value in 'platform/android/java/app/config.gradle'. +def get_project_ndk_version(): + return "21.4.7075529" + + # Return NDK version string in source.properties (adapted from the Chromium project). -def get_ndk_version(path): +def get_env_ndk_version(path): if path is None: return None prop_file_path = os.path.join(path, "source.properties") |