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https://github.com/w23/xash3d-fwgs
synced 2024-12-15 13:41:33 +01:00
waifulib: allow compiling using host clang and NDK sysroots, thus enabling building engine from any environment that has clang(termux as example)
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3032ce3bee
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@ -38,16 +38,18 @@ class Android:
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ndk_rev = 0
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is_hardfloat = False
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clang = False
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def __init__(self, ctx, arch, toolchain, api):
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self.ctx = ctx
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self.api = api
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for i in ['ANDROID_NDK_HOME', 'ANDROID_NDK']:
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self.ndk_home = os.getenv(i)
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if self.ndk_home != None:
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break
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if not self.ndk_home:
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conf.fatal('Set ANDROID_NDK_HOME environment variable pointing to the root of Android NDK!')
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ctx.fatal('Set ANDROID_NDK_HOME environment variable pointing to the root of Android NDK!')
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# TODO: this were added at some point of NDK development
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# but I don't know at which version
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@ -86,13 +88,18 @@ class Android:
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elif self.ndk_rev >= 19 and self.api < 16:
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Logs.warn('API level automatically was set to 16 due to NDK support')
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self.api = 16
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else: self.api = api
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self.toolchain_path = self.gen_toolchain_path()
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# TODO: Crystax support?
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# TODO: Support for everything else than linux-x86_64?
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# TODO: Determine if I actually need to implement listed above
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def is_host(self):
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'''
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Checks if we using host compiler(implies clang)
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'''
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return self.toolchain == 'host'
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def is_arm(self):
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'''
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Checks if selected architecture is **32-bit** ARM
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@ -126,7 +133,16 @@ class Android:
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def is_hardfp(self):
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return self.is_hardfloat
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def gen_toolchain_path(self):
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def ndk_triplet(self):
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if self.is_x86():
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triplet = 'i686-linux-android'
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elif self.is_arm():
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triplet = 'arm-linux-androideabi'
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else:
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triplet = self.arch + '-linux-android'
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return triplet
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def gen_gcc_toolchain_path(self):
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path = 'toolchains'
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if sys.platform.startswith('linux'):
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@ -149,13 +165,6 @@ class Android:
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raise Exception('Clang is not supported for this NDK')
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toolchain_folder = 'llvm'
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if self.is_x86():
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triplet = 'i686-linux-android{}-'.format(self.api)
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elif self.is_arm():
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triplet = 'armv7a-linux-androideabi{}-'.format(self.api)
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else:
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triplet = self.arch + '-linux-android{}-'.format(self.api)
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else:
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if self.is_x86() or self.is_amd64():
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toolchain_folder = self.arch + '-' + self.toolchain
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@ -164,42 +173,70 @@ class Android:
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else:
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toolchain_folder = self.arch + '-linux-android-' + self.toolchain
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if self.is_x86():
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triplet = 'i686-linux-android-'
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elif self.is_arm():
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triplet = 'arm-linux-androideabi-'
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else:
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triplet = self.arch + '-linux-android-'
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return os.path.abspath(os.path.join(self.ndk_home, path, toolchain_folder, 'prebuilt', toolchain_host))
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return os.path.join(path, toolchain_folder, 'prebuilt', toolchain_host, 'bin', triplet)
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def gen_toolchain_path(self):
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if self.is_clang():
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if self.is_x86():
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triplet = 'i686-linux-android{}-'.format(self.api)
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elif self.is_arm():
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triplet = 'armv7a-linux-androideabi{}-'.format(self.api)
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else:
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triplet = self.arch + '-linux-android{}-'.format(self.api)
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else:
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triplet = self.ndk_triplet() + '-'
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return os.path.join(self.gen_gcc_toolchain_path(), 'bin', triplet)
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def cc(self):
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return os.path.abspath(os.path.join(self.ndk_home, self.toolchain_path + ('clang' if self.is_clang() else 'gcc')))
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if self.is_host():
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return 'clang'
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return self.toolchain_path + ('clang' if self.is_clang() else 'gcc')
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def cxx(self):
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return os.path.abspath(os.path.join(self.ndk_home, self.toolchain_path + ('clang++' if self.is_clang() else 'g++')))
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if self.is_host():
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return 'clang++'
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return self.toolchain_path + ('clang++' if self.is_clang() else 'g++')
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def system_stl(self):
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# TODO: proper STL support
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return os.path.abspath(os.path.join(self.ndk_home, 'sources', 'cxx-stl', 'system', 'include'))
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def libsysroot(self):
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arch = self.arch
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if self.is_arm():
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arch = 'arm'
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elif self.is_arm64():
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arch = 'arm64'
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path = 'platforms/android-{}/arch-{}'.format(self.api, arch)
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return os.path.abspath(os.path.join(self.ndk_home, path))
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def sysroot(self):
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if self.ndk_rev >= 19:
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if self.ndk_rev >= 19 or self.is_host():
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return os.path.abspath(os.path.join(self.ndk_home, 'sysroot'))
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else:
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arch = self.arch
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if self.is_arm():
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arch = 'arm'
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elif self.is_arm64():
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arch = 'arm64'
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path = 'platforms/android-{}/arch-{}'.format(self.api, arch)
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return self.libsysroot()
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return os.path.abspath(os.path.join(self.ndk_home, path))
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def clang_host_triplet(self):
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triplet = ''
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if self.is_arm():
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triplet += 'arm'
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elif self.is_x86():
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triplet += 'i686'
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else:
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triplet += self.arch
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triplet += '-linux-android'
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return triplet
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def cflags(self):
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cflags = []
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if self.is_host():
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cflags += ['-nostdlib', '--target=%s' % self.clang_host_triplet()]
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if self.ndk_rev < 20:
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cflags = ['--sysroot={0}'.format(self.sysroot())]
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cflags += ['--sysroot={0}'.format(self.sysroot())]
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elif self.is_host():
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cflags += ['-isysroot={0}'.format(self.sysroot())]
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cflags += ['-DANDROID', '-D__ANDROID__']
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cflags += ['-I{0}'.format(self.system_stl())]
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if self.is_arm():
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@ -222,15 +259,26 @@ class Android:
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# they go before object list
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def linkflags(self):
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linkflags = []
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if self.ndk_rev < 20:
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linkflags = ['--sysroot={0}'.format(self.sysroot())]
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if self.is_host():
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linkflags += ['-fuse-ld=lld', '-nostdlib', '--target=%s' % self.clang_host_triplet(),
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'--gcc-toolchain=%s' % self.gen_gcc_toolchain_path()]
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if self.ndk_rev < 20 or self.is_host():
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linkflags += ['--sysroot={0}'.format(self.libsysroot())]
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if self.is_host():
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linkflags += ['-L{0}/usr/lib/{1}'.format(self.sysroot(), self.ndk_triplet()),
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'-L{0}/sysroot/usr/lib/{1}/'.format(self.gen_gcc_toolchain_path(), self.ndk_triplet())]
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return linkflags
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def ldflags(self):
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ldflags = ['-lgcc', '-no-canonical-prefixes']
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if self.is_arm():
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if self.arch == 'armeabi-v7a':
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ldflags += ['-march=armv7-a', '-Wl,--fix-cortex-a8', '-mthumb']
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ldflags += ['-march=armv7-a']
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if not self.is_host(): # lld only
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ldflags += ['-Wl,--fix-cortex-a8']
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ldflags += ['-mthumb']
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if self.is_hardfloat:
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ldflags += ['-Wl,--no-warn-mismatch', '-lm_hard']
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else:
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