1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
import os
import sys
import string
import platform
from distutils.version import LooseVersion
def is_active():
return True
def get_name():
return "Android"
def can_build():
return ("ANDROID_NDK_ROOT" in os.environ)
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)),
('ndk_platform', 'Target platform (android-<api>, e.g. "android-18")', "android-18"),
EnumVariable('android_arch', 'Target architecture', "armv7", ('armv7', 'armv6', 'arm64v8', 'x86')),
BoolVariable('android_neon', 'Enable NEON support (armv7 only)', True),
BoolVariable('android_stl', 'Enable Android STL support (for modules)', True)
]
def get_flags():
return [
('tools', False),
]
def create(env):
tools = env['TOOLS']
if "mingw" in tools:
tools.remove('mingw')
if "applelink" in tools:
tools.remove("applelink")
env.Tool('gcc')
return env.Clone(tools=tools)
def configure(env):
# Workaround for MinGW. See:
# http://www.scons.org/wiki/LongCmdLinesOnWin32
if (os.name == "nt"):
import subprocess
def mySubProcess(cmdline, env):
# print("SPAWNED : " + cmdline)
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
proc = subprocess.Popen(cmdline, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, startupinfo=startupinfo, shell=False, env=env)
data, err = proc.communicate()
rv = proc.wait()
if rv:
print("=====")
print(err)
print("=====")
return rv
def mySpawn(sh, escape, cmd, args, env):
newargs = ' '.join(args[1:])
cmdline = cmd + " " + newargs
rv = 0
if len(cmdline) > 32000 and cmd.endswith("ar"):
cmdline = cmd + " " + args[1] + " " + args[2] + " "
for i in range(3, len(args)):
rv = mySubProcess(cmdline + args[i], env)
if rv:
break
else:
rv = mySubProcess(cmdline, env)
return rv
env['SPAWN'] = mySpawn
## Architecture
if env['android_arch'] not in ['armv7', 'armv6', 'arm64v8', 'x86']:
env['android_arch'] = 'armv7'
neon_text = ""
if env["android_arch"] == "armv7" and env['android_neon']:
neon_text = " (with NEON)"
print("Building for Android (" + env['android_arch'] + ")" + neon_text)
can_vectorize = True
if env['android_arch'] == 'x86':
env['ARCH'] = 'arch-x86'
env.extra_suffix = ".x86" + env.extra_suffix
target_subpath = "x86-4.9"
abi_subpath = "i686-linux-android"
arch_subpath = "x86"
env["x86_libtheora_opt_gcc"] = True
elif env['android_arch'] == 'armv6':
env['ARCH'] = 'arch-arm'
env.extra_suffix = ".armv6" + env.extra_suffix
target_subpath = "arm-linux-androideabi-4.9"
abi_subpath = "arm-linux-androideabi"
arch_subpath = "armeabi"
can_vectorize = False
elif env["android_arch"] == "armv7":
env['ARCH'] = 'arch-arm'
target_subpath = "arm-linux-androideabi-4.9"
abi_subpath = "arm-linux-androideabi"
arch_subpath = "armeabi-v7a"
if env['android_neon']:
env.extra_suffix = ".armv7.neon" + env.extra_suffix
else:
env.extra_suffix = ".armv7" + env.extra_suffix
elif env["android_arch"] == "arm64v8":
env['ARCH'] = 'arch-arm64'
target_subpath = "aarch64-linux-android-4.9"
abi_subpath = "aarch64-linux-android"
arch_subpath = "arm64-v8a"
env.extra_suffix = ".armv8" + env.extra_suffix
## Build type
if (env["target"].startswith("release")):
env.Append(LINKFLAGS=['-O2'])
env.Append(CPPFLAGS=['-O2', '-DNDEBUG', '-ffast-math', '-funsafe-math-optimizations', '-fomit-frame-pointer'])
if (can_vectorize):
env.Append(CPPFLAGS=['-ftree-vectorize'])
if (env["target"] == "release_debug"):
env.Append(CPPFLAGS=['-DDEBUG_ENABLED'])
elif (env["target"] == "debug"):
env.Append(LINKFLAGS=['-O0'])
env.Append(CPPFLAGS=['-O0', '-D_DEBUG', '-UNDEBUG', '-DDEBUG_ENABLED',
'-DDEBUG_MEMORY_ENABLED', '-g', '-fno-limit-debug-info'])
## Compiler configuration
env['SHLIBSUFFIX'] = '.so'
if env['PLATFORM'] == 'win32':
env.Tool('gcc')
env.use_windows_spawn_fix()
mt_link = True
if (sys.platform.startswith("linux")):
host_subpath = "linux-x86_64"
elif (sys.platform.startswith("darwin")):
host_subpath = "darwin-x86_64"
elif (sys.platform.startswith('win')):
if (platform.machine().endswith('64')):
host_subpath = "windows-x86_64"
if env["android_arch"] == "arm64v8":
mt_link = False
else:
mt_link = False
host_subpath = "windows"
compiler_path = env["ANDROID_NDK_ROOT"] + "/toolchains/llvm/prebuilt/" + host_subpath + "/bin"
gcc_toolchain_path = env["ANDROID_NDK_ROOT"] + "/toolchains/" + target_subpath + "/prebuilt/" + host_subpath
tools_path = gcc_toolchain_path + "/" + abi_subpath + "/bin"
# For Clang to find NDK tools in preference of those system-wide
env.PrependENVPath('PATH', tools_path)
env['CC'] = compiler_path + '/clang'
env['CXX'] = compiler_path + '/clang++'
env['AR'] = tools_path + "/ar"
env['RANLIB'] = tools_path + "/ranlib"
env['AS'] = tools_path + "/as"
common_opts = ['-fno-integrated-as', '-gcc-toolchain', gcc_toolchain_path]
lib_sysroot = env["ANDROID_NDK_ROOT"] + "/platforms/" + env['ndk_platform'] + "/" + env['ARCH']
## Compile flags
ndk_version = get_ndk_version(env["ANDROID_NDK_ROOT"])
if ndk_version != None and LooseVersion(ndk_version) >= LooseVersion("15.0.4075724"):
print("Using NDK unified headers")
sysroot = env["ANDROID_NDK_ROOT"] + "/sysroot"
env.Append(CPPFLAGS=["-isystem", sysroot + "/usr/include"])
env.Append(CPPFLAGS=["-isystem", sysroot + "/usr/include/" + abi_subpath])
# For unified headers this define has to be set manually
env.Append(CPPFLAGS=["-D__ANDROID_API__=" + str(int(env['ndk_platform'].split("-")[1]))])
else:
print("Using NDK deprecated headers")
env.Append(CPPFLAGS=["-isystem", lib_sysroot + "/usr/include"])
env.Append(CPPFLAGS='-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -fvisibility=hidden -fno-strict-aliasing'.split())
env.Append(CPPFLAGS='-DNO_STATVFS -DGLES2_ENABLED'.split())
env['neon_enabled'] = False
if env['android_arch'] == 'x86':
target_opts = ['-target', 'i686-none-linux-android']
# The NDK adds this if targeting API < 21, so we can drop it when Godot targets it at least
env.Append(CPPFLAGS=['-mstackrealign'])
elif env["android_arch"] == "armv6":
target_opts = ['-target', 'armv6-none-linux-androideabi']
env.Append(CPPFLAGS='-D__ARM_ARCH_6__ -march=armv6 -mfpu=vfp -mfloat-abi=softfp'.split())
elif env["android_arch"] == "armv7":
target_opts = ['-target', 'armv7-none-linux-androideabi']
env.Append(CPPFLAGS='-D__ARM_ARCH_7__ -D__ARM_ARCH_7A__ -march=armv7-a -mfloat-abi=softfp'.split())
if env['android_neon']:
env['neon_enabled'] = True
env.Append(CPPFLAGS=['-mfpu=neon', '-D__ARM_NEON__'])
else:
env.Append(CPPFLAGS=['-mfpu=vfpv3-d16'])
elif env["android_arch"] == "arm64v8":
target_opts = ['-target', 'aarch64-none-linux-android']
env.Append(CPPFLAGS=['-D__ARM_ARCH_8A__'])
env.Append(CPPFLAGS=['-mfix-cortex-a53-835769'])
env.Append(CPPFLAGS=target_opts)
env.Append(CPPFLAGS=common_opts)
if env['android_stl']:
env.Append(CPPPATH=[env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/gnu-libstdc++/4.9/include"])
env.Append(CPPPATH=[env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/gnu-libstdc++/4.9/libs/" + arch_subpath + "/include"])
env.Append(LIBPATH=[env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/gnu-libstdc++/4.9/libs/" + arch_subpath])
env.Append(LIBS=["gnustl_static"])
else:
env.Append(CXXFLAGS=['-fno-rtti', '-fno-exceptions', '-DNO_SAFE_CAST'])
## Link flags
env['LINKFLAGS'] = ['-shared', '--sysroot=' + lib_sysroot, '-Wl,--warn-shared-textrel']
if env["android_arch"] == "armv7":
env.Append(LINKFLAGS='-Wl,--fix-cortex-a8'.split())
env.Append(LINKFLAGS='-Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now'.split())
env.Append(LINKFLAGS='-Wl,-soname,libgodot_android.so -Wl,--gc-sections'.split())
if mt_link:
env.Append(LINKFLAGS=['-Wl,--threads'])
env.Append(LINKFLAGS=target_opts)
env.Append(LINKFLAGS=common_opts)
env.Append(LIBPATH=[env["ANDROID_NDK_ROOT"] + '/toolchains/arm-linux-androideabi-4.9/prebuilt/' +
host_subpath + '/lib/gcc/' + abi_subpath + '/4.9.x'])
env.Append(LIBPATH=[env["ANDROID_NDK_ROOT"] +
'/toolchains/arm-linux-androideabi-4.9/prebuilt/' + host_subpath + '/' + abi_subpath + '/lib'])
env.Append(CPPPATH=['#platform/android'])
env.Append(CPPFLAGS=['-DANDROID_ENABLED', '-DUNIX_ENABLED', '-DNO_FCNTL', '-DMPC_FIXED_POINT'])
env.Append(LIBS=['OpenSLES', 'EGL', 'GLESv3', 'android', 'log', 'z', 'dl'])
# TODO: Move that to opus module's config
if 'module_opus_enabled' in env and env['module_opus_enabled']:
if (env["android_arch"] == "armv6" or env["android_arch"] == "armv7"):
env.Append(CFLAGS=["-DOPUS_ARM_OPT"])
env.opus_fixed_point = "yes"
# Return NDK version string in source.properties (adapted from the Chromium project).
def get_ndk_version(path):
if path == None:
return None
prop_file_path = os.path.join(path, "source.properties")
try:
with open(prop_file_path) as prop_file:
for line in prop_file:
key_value = map(lambda x: string.strip(x), line.split("="))
if key_value[0] == "Pkg.Revision":
return key_value[1]
except:
print("Could not read source prop file '%s'" % prop_file_path)
return None
|