#!/usr/bin/env python3 import os, os.path import sys, subprocess if len(sys.argv) < 4: print("Usage: build.py SDK_PATH NDK_PATH ABI [configure_args...]", file=sys.stderr) sys.exit(1) sdk_path = sys.argv[1] ndk_path = sys.argv[2] android_abi = sys.argv[3] configure_args = sys.argv[4:] if not os.path.isfile(os.path.join(sdk_path, 'tools', 'android')): print("SDK not found in", ndk_path, file=sys.stderr) sys.exit(1) if not os.path.isdir(ndk_path): print("NDK not found in", ndk_path, file=sys.stderr) sys.exit(1) android_abis = { 'armeabi-v7a': { 'arch': 'arm-linux-androideabi', 'ndk_arch': 'arm', 'toolchain_arch': 'arm-linux-androideabi', 'llvm_triple': 'armv7-none-linux-androideabi', 'cflags': '-march=armv7-a -mfpu=vfp -mfloat-abi=softfp', }, 'arm64-v8a': { 'android_api_level': '21', 'arch': 'aarch64-linux-android', 'ndk_arch': 'arm64', 'toolchain_arch': 'aarch64-linux-android', 'llvm_triple': 'aarch64-none-linux-android', 'cflags': '', }, 'x86': { 'arch': 'i686-linux-android', 'ndk_arch': 'x86', 'toolchain_arch': 'x86', 'llvm_triple': 'i686-none-linux-android', 'cflags': '-march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32', }, } # select the NDK target abi_info = android_abis[android_abi] arch = abi_info['arch'] # the path to the MPD sources mpd_path = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]) or '.', '..')) sys.path[0] = os.path.join(mpd_path, 'python') # output directories from build.dirs import lib_path, tarball_path, src_path from build.meson import configure as run_meson arch_path = os.path.join(lib_path, arch) build_path = os.path.join(arch_path, 'build') # build host configuration build_arch = 'linux-x86_64' # set up the NDK toolchain class AndroidNdkToolchain: def __init__(self, tarball_path, src_path, build_path, use_cxx): self.tarball_path = tarball_path self.src_path = src_path self.build_path = build_path ndk_arch = abi_info['ndk_arch'] android_api_level = '21' ndk_platform = 'android-' + android_api_level # select the NDK compiler gcc_version = '4.9' ndk_platform_path = os.path.join(ndk_path, 'platforms', ndk_platform) sysroot = os.path.join(ndk_path, 'sysroot') target_root = os.path.join(ndk_platform_path, 'arch-' + ndk_arch) install_prefix = os.path.join(arch_path, 'root') self.arch = arch self.install_prefix = install_prefix self.sysroot = sysroot toolchain_path = os.path.join(ndk_path, 'toolchains', abi_info['toolchain_arch'] + '-' + gcc_version, 'prebuilt', build_arch) llvm_path = os.path.join(ndk_path, 'toolchains', 'llvm', 'prebuilt', build_arch) llvm_triple = abi_info['llvm_triple'] common_flags = '-Os -g' common_flags += ' -fPIC' common_flags += ' ' + abi_info['cflags'] toolchain_bin = os.path.join(toolchain_path, 'bin') llvm_bin = os.path.join(llvm_path, 'bin') self.cc = os.path.join(llvm_bin, 'clang') self.cxx = os.path.join(llvm_bin, 'clang++') common_flags += ' -target ' + llvm_triple + ' -integrated-as -gcc-toolchain ' + toolchain_path common_flags += ' -fvisibility=hidden -fdata-sections -ffunction-sections' self.ar = os.path.join(toolchain_bin, arch + '-ar') self.ranlib = os.path.join(toolchain_bin, arch + '-ranlib') self.nm = os.path.join(toolchain_bin, arch + '-nm') self.strip = os.path.join(toolchain_bin, arch + '-strip') self.cflags = common_flags self.cxxflags = common_flags self.cppflags = '--sysroot=' + sysroot + \ ' -isystem ' + os.path.join(install_prefix, 'include') + \ ' -isystem ' + os.path.join(sysroot, 'usr', 'include', arch) + \ ' -D__ANDROID_API__=' + android_api_level self.ldflags = '--sysroot=' + sysroot + \ ' -L' + os.path.join(install_prefix, 'lib') + \ ' -L' + os.path.join(target_root, 'usr', 'lib') + \ ' -B' + os.path.join(target_root, 'usr', 'lib') + \ ' ' + common_flags self.libs = '' self.is_arm = ndk_arch == 'arm' self.is_armv7 = self.is_arm and 'armv7' in self.cflags self.is_aarch64 = ndk_arch == 'arm64' self.is_windows = False libcxx_path = os.path.join(ndk_path, 'sources/cxx-stl/llvm-libc++') libcxx_libs_path = os.path.join(libcxx_path, 'libs', android_abi) libstdcxx_flags = '' libstdcxx_cxxflags = libstdcxx_flags + ' -isystem ' + os.path.join(libcxx_path, 'include') + ' -isystem ' + os.path.join(ndk_path, 'sources/android/support/include') libstdcxx_ldflags = libstdcxx_flags + ' -L' + libcxx_libs_path libstdcxx_libs = '-lc++_static -lc++abi' if self.is_armv7: # On 32 bit ARM, clang generates no ".eh_frame" section; # instead, the LLVM unwinder library is used for unwinding # the stack after a C++ exception was thrown libstdcxx_libs += ' -lunwind' if use_cxx: self.cxxflags += ' ' + libstdcxx_cxxflags self.ldflags += ' ' + libstdcxx_ldflags self.libs += ' ' + libstdcxx_libs self.env = dict(os.environ) # redirect pkg-config to use our root directory instead of the # default one on the build host import shutil bin_dir = os.path.join(install_prefix, 'bin') try: os.makedirs(bin_dir) except: pass self.pkg_config = shutil.copy(os.path.join(mpd_path, 'build', 'pkg-config.sh'), os.path.join(bin_dir, 'pkg-config')) self.env['PKG_CONFIG'] = self.pkg_config # a list of third-party libraries to be used by MPD on Android from build.libs import * thirdparty_libs = [ libmpdclient, libogg, libvorbis, opus, flac, libid3tag, ffmpeg, curl, libexpat, libnfs, boost, ] # build the third-party libraries for x in thirdparty_libs: toolchain = AndroidNdkToolchain(tarball_path, src_path, build_path, use_cxx=x.use_cxx) if not x.is_installed(toolchain): x.build(toolchain) # configure and build MPD toolchain = AndroidNdkToolchain(tarball_path, src_path, build_path, use_cxx=True) configure_args += [ '-Dandroid_sdk=' + sdk_path, '-Dandroid_ndk=' + ndk_path, '-Dandroid_abi=' + android_abi, '-Dandroid_strip=' + toolchain.strip, ] from build.meson import configure as run_meson run_meson(toolchain, mpd_path, '.', configure_args) subprocess.check_call(['/usr/bin/ninja'], env=toolchain.env)