blob: 50ab40b53e3226a80a4566a068a98a162ebe43ed (
plain)
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
279
280
281
282
283
284
285
286
287
|
#=============================================================================
# Copyright 2015-2016 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# When CMAKE_SYSTEM_NAME is "Android", CMakeDetermineSystem loads this module.
# This module detects platform-wide information about the Android target
# in order to store it in "CMakeSystem.cmake".
# Support for NVIDIA Nsight Tegra Visual Studio Edition was previously
# implemented in the CMake VS IDE generators. Avoid interfering with
# that functionality for now. Later we may try to integrate this.
if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
return()
endif()
# If the user provided CMAKE_SYSROOT for us, extract information from it.
set(_ANDROID_SYSROOT_NDK "")
set(_ANDROID_SYSROOT_API "")
set(_ANDROID_SYSROOT_ARCH "")
set(_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN "")
if(CMAKE_SYSROOT)
if(NOT IS_DIRECTORY "${CMAKE_SYSROOT}")
message(FATAL_ERROR
"Android: The specified CMAKE_SYSROOT:\n"
" ${CMAKE_SYSROOT}\n"
"is not an existing directory."
)
endif()
if(CMAKE_SYSROOT MATCHES "^([^\\\n]*)/platforms/android-([0-9]+)/arch-([a-z0-9_]+)$")
set(_ANDROID_SYSROOT_NDK "${CMAKE_MATCH_1}")
set(_ANDROID_SYSROOT_API "${CMAKE_MATCH_2}")
set(_ANDROID_SYSROOT_ARCH "${CMAKE_MATCH_3}")
elseif(CMAKE_SYSROOT MATCHES "^([^\\\n]*)/sysroot$")
set(_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN "${CMAKE_MATCH_1}")
else()
message(FATAL_ERROR
"The value of CMAKE_SYSROOT:\n"
" ${CMAKE_SYSROOT}\n"
"does not match any of the forms:\n"
" <ndk>/platforms/android-<api>/arch-<arch>\n"
" <standalone-toolchain>/sysroot\n"
"where:\n"
" <ndk> = Android NDK directory (with forward slashes)\n"
" <api> = Android API version number (decimal digits)\n"
" <arch> = Android ARCH name (lower case)\n"
" <standalone-toolchain> = Path to standalone toolchain prefix\n"
)
endif()
endif()
# Find the Android NDK.
if(CMAKE_ANDROID_NDK)
if(NOT IS_DIRECTORY "${CMAKE_ANDROID_NDK}")
message(FATAL_ERROR
"Android: The NDK root directory specified by CMAKE_ANDROID_NDK:\n"
" ${CMAKE_ANDROID_NDK}\n"
"does not exist."
)
endif()
elseif(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
if(NOT IS_DIRECTORY "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}")
message(FATAL_ERROR
"Android: The standalone toolchain directory specified by CMAKE_ANDROID_STANDALONE_TOOLCHAIN:\n"
" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\n"
"does not exist."
)
endif()
if(NOT EXISTS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h")
message(FATAL_ERROR
"Android: The standalone toolchain directory specified by CMAKE_ANDROID_STANDALONE_TOOLCHAIN:\n"
" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\n"
"does not contain a sysroot with a known layout. The file:\n"
" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h\n"
"does not exist."
)
endif()
else()
if(IS_DIRECTORY "${_ANDROID_SYSROOT_NDK}")
set(CMAKE_ANDROID_NDK "${_ANDROID_SYSROOT_NDK}")
elseif(IS_DIRECTORY "${_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN}")
set(CMAKE_ANDROID_STANDALONE_TOOLCHAIN "${_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN}")
elseif(IS_DIRECTORY "$ENV{ANDROID_NDK_ROOT}")
file(TO_CMAKE_PATH "$ENV{ANDROID_NDK_ROOT}" CMAKE_ANDROID_NDK)
endif()
# TODO: Search harder for the NDK or standalone toolchain.
endif()
set(_ANDROID_STANDALONE_TOOLCHAIN_API "")
if(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
set(_ANDROID_API_LEVEL_H_REGEX "^[\t ]*#[\t ]*define[\t ]+__ANDROID_API__[\t ]+([0-9]+)")
file(STRINGS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h"
_ANDROID_API_LEVEL_H_CONTENT REGEX "${_ANDROID_API_LEVEL_H_REGEX}")
if(_ANDROID_API_LEVEL_H_CONTENT MATCHES "${_ANDROID_API_LEVEL_H_REGEX}")
set(_ANDROID_STANDALONE_TOOLCHAIN_API "${CMAKE_MATCH_1}")
endif()
endif()
if(NOT CMAKE_ANDROID_NDK AND NOT CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
message(FATAL_ERROR "Android: Neither the NDK or a standalone toolchain was found.")
endif()
# Select an API.
if(CMAKE_SYSTEM_VERSION)
set(_ANDROID_API_VAR CMAKE_SYSTEM_VERSION)
elseif(CMAKE_ANDROID_API)
set(CMAKE_SYSTEM_VERSION "${CMAKE_ANDROID_API}")
set(_ANDROID_API_VAR CMAKE_ANDROID_API)
elseif(_ANDROID_SYSROOT_API)
set(CMAKE_SYSTEM_VERSION "${_ANDROID_SYSROOT_API}")
set(_ANDROID_API_VAR CMAKE_SYSROOT)
elseif(_ANDROID_STANDALONE_TOOLCHAIN_API)
set(CMAKE_SYSTEM_VERSION "${_ANDROID_STANDALONE_TOOLCHAIN_API}")
endif()
if(CMAKE_SYSTEM_VERSION)
if(CMAKE_ANDROID_API AND NOT "x${CMAKE_ANDROID_API}" STREQUAL "x${CMAKE_SYSTEM_VERSION}")
message(FATAL_ERROR
"Android: The API specified by CMAKE_ANDROID_API='${CMAKE_ANDROID_API}' is not consistent with CMAKE_SYSTEM_VERSION='${CMAKE_SYSTEM_VERSION}'."
)
endif()
if(_ANDROID_SYSROOT_API)
foreach(v CMAKE_ANDROID_API CMAKE_SYSTEM_VERSION)
if(${v} AND NOT "x${_ANDROID_SYSROOT_API}" STREQUAL "x${${v}}")
message(FATAL_ERROR
"Android: The API specified by ${v}='${${v}}' is not consistent with CMAKE_SYSROOT:\n"
" ${CMAKE_SYSROOT}"
)
endif()
endforeach()
endif()
if(CMAKE_ANDROID_NDK AND NOT IS_DIRECTORY "${CMAKE_ANDROID_NDK}/platforms/android-${CMAKE_SYSTEM_VERSION}")
message(FATAL_ERROR
"Android: The API specified by ${_ANDROID_API_VAR}='${${_ANDROID_API_VAR}}' does not exist in the NDK. "
"The directory:\n"
" ${CMAKE_ANDROID_NDK}/platforms/android-${CMAKE_SYSTEM_VERSION}\n"
"does not exist."
)
endif()
elseif(CMAKE_ANDROID_NDK)
file(GLOB _ANDROID_APIS_1 RELATIVE "${CMAKE_ANDROID_NDK}/platforms" "${CMAKE_ANDROID_NDK}/platforms/android-[0-9]")
file(GLOB _ANDROID_APIS_2 RELATIVE "${CMAKE_ANDROID_NDK}/platforms" "${CMAKE_ANDROID_NDK}/platforms/android-[0-9][0-9]")
list(SORT _ANDROID_APIS_1)
list(SORT _ANDROID_APIS_2)
set(_ANDROID_APIS ${_ANDROID_APIS_1} ${_ANDROID_APIS_2})
unset(_ANDROID_APIS_1)
unset(_ANDROID_APIS_2)
if(_ANDROID_APIS STREQUAL "")
message(FATAL_ERROR
"Android: No APIs found in the NDK. No\n"
" ${CMAKE_ANDROID_NDK}/platforms/android-*\n"
"directories exist."
)
endif()
string(REPLACE "android-" "" _ANDROID_APIS "${_ANDROID_APIS}")
list(REVERSE _ANDROID_APIS)
list(GET _ANDROID_APIS 0 CMAKE_SYSTEM_VERSION)
unset(_ANDROID_APIS)
endif()
if(NOT CMAKE_SYSTEM_VERSION MATCHES "^[0-9]+$")
message(FATAL_ERROR "Android: The API specified by CMAKE_SYSTEM_VERSION='${CMAKE_SYSTEM_VERSION}' is not an integer.")
endif()
# https://developer.android.com/ndk/guides/abis.html
set(_ANDROID_ABI_arm64-v8a_PROC "aarch64")
set(_ANDROID_ABI_arm64-v8a_ARCH "arm64")
set(_ANDROID_ABI_armeabi-v7a_PROC "armv7-a")
set(_ANDROID_ABI_armeabi-v7a_ARCH "arm")
set(_ANDROID_ABI_armeabi-v6_PROC "armv6")
set(_ANDROID_ABI_armeabi-v6_ARCH "arm")
set(_ANDROID_ABI_armeabi_PROC "armv5te")
set(_ANDROID_ABI_armeabi_ARCH "arm")
set(_ANDROID_ABI_mips_PROC "mips")
set(_ANDROID_ABI_mips_ARCH "mips")
set(_ANDROID_ABI_mips64_PROC "mips64")
set(_ANDROID_ABI_mips64_ARCH "mips64")
set(_ANDROID_ABI_x86_PROC "i686")
set(_ANDROID_ABI_x86_ARCH "x86")
set(_ANDROID_ABI_x86_64_PROC "x86_64")
set(_ANDROID_ABI_x86_64_ARCH "x86_64")
set(_ANDROID_PROC_aarch64_ARCH_ABI "arm64-v8a")
set(_ANDROID_PROC_armv7-a_ARCH_ABI "armeabi-v7a")
set(_ANDROID_PROC_armv6_ARCH_ABI "armeabi-v6")
set(_ANDROID_PROC_armv5te_ARCH_ABI "armeabi")
set(_ANDROID_PROC_i686_ARCH_ABI "x86")
set(_ANDROID_PROC_mips_ARCH_ABI "mips")
set(_ANDROID_PROC_mips64_ARCH_ABI "mips64")
set(_ANDROID_PROC_x86_64_ARCH_ABI "x86_64")
set(_ANDROID_ARCH_arm64_ABI "arm64-v8a")
set(_ANDROID_ARCH_arm_ABI "armeabi")
set(_ANDROID_ARCH_mips_ABI "mips")
set(_ANDROID_ARCH_mips64_ABI "mips64")
set(_ANDROID_ARCH_x86_ABI "x86")
set(_ANDROID_ARCH_x86_64_ABI "x86_64")
# Validate inputs.
if(CMAKE_ANDROID_ARCH_ABI AND NOT DEFINED "_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC")
message(FATAL_ERROR "Android: Unknown ABI CMAKE_ANDROID_ARCH_ABI='${CMAKE_ANDROID_ARCH_ABI}'.")
endif()
if(CMAKE_SYSTEM_PROCESSOR AND NOT DEFINED "_ANDROID_PROC_${CMAKE_SYSTEM_PROCESSOR}_ARCH_ABI")
message(FATAL_ERROR "Android: Unknown processor CMAKE_SYSTEM_PROCESSOR='${CMAKE_SYSTEM_PROCESSOR}'.")
endif()
if(_ANDROID_SYSROOT_ARCH AND NOT DEFINED "_ANDROID_ARCH_${_ANDROID_SYSROOT_ARCH}_ABI")
message(FATAL_ERROR
"Android: Unknown architecture '${_ANDROID_SYSROOT_ARCH}' specified in CMAKE_SYSROOT:\n"
" ${CMAKE_SYSROOT}"
)
endif()
# Select an ABI.
if(NOT CMAKE_ANDROID_ARCH_ABI)
if(CMAKE_SYSTEM_PROCESSOR)
set(CMAKE_ANDROID_ARCH_ABI "${_ANDROID_PROC_${CMAKE_SYSTEM_PROCESSOR}_ARCH_ABI}")
elseif(_ANDROID_SYSROOT_ARCH)
set(CMAKE_ANDROID_ARCH_ABI "${_ANDROID_ARCH_${_ANDROID_SYSROOT_ARCH}_ABI}")
else()
# https://developer.android.com/ndk/guides/application_mk.html
# Default is the oldest ARM ABI.
set(CMAKE_ANDROID_ARCH_ABI "armeabi")
endif()
endif()
set(CMAKE_ANDROID_ARCH "${_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_ARCH}")
if(_ANDROID_SYSROOT_ARCH AND NOT "x${_ANDROID_SYSROOT_ARCH}" STREQUAL "x${CMAKE_ANDROID_ARCH}")
message(FATAL_ERROR
"Android: Architecture '${_ANDROID_SYSROOT_ARCH}' specified in CMAKE_SYSROOT:\n"
" ${CMAKE_SYSROOT}\n"
"does not match architecture '${CMAKE_ANDROID_ARCH}' for the ABI '${CMAKE_ANDROID_ARCH_ABI}'."
)
endif()
# Select a processor.
if(NOT CMAKE_SYSTEM_PROCESSOR)
set(CMAKE_SYSTEM_PROCESSOR "${_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC}")
endif()
# If the user specified both an ABI and a processor then they might not match.
if(NOT _ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC STREQUAL CMAKE_SYSTEM_PROCESSOR)
message(FATAL_ERROR "Android: The specified CMAKE_ANDROID_ARCH_ABI='${CMAKE_ANDROID_ARCH_ABI}' and CMAKE_SYSTEM_PROCESSOR='${CMAKE_SYSTEM_PROCESSOR}' is not a valid combination.")
endif()
# Save the Android-specific information in CMakeSystem.cmake.
set(CMAKE_SYSTEM_CUSTOM_CODE "
set(CMAKE_ANDROID_NDK \"${CMAKE_ANDROID_NDK}\")
set(CMAKE_ANDROID_STANDALONE_TOOLCHAIN \"${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\")
set(CMAKE_ANDROID_ARCH \"${CMAKE_ANDROID_ARCH}\")
set(CMAKE_ANDROID_ARCH_ABI \"${CMAKE_ANDROID_ARCH_ABI}\")
")
# Select an ARM variant.
if(CMAKE_ANDROID_ARCH_ABI MATCHES "^armeabi")
if(CMAKE_ANDROID_ARM_MODE)
set(CMAKE_ANDROID_ARM_MODE 1)
else()
set(CMAKE_ANDROID_ARM_MODE 0)
endif()
string(APPEND CMAKE_SYSTEM_CUSTOM_CODE
"set(CMAKE_ANDROID_ARM_MODE \"${CMAKE_ANDROID_ARM_MODE}\")\n"
)
elseif(DEFINED CMAKE_ANDROID_ARM_MODE)
message(FATAL_ERROR "Android: CMAKE_ANDROID_ARM_MODE is set but is valid only for 'armeabi' architectures.")
endif()
if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
if(CMAKE_ANDROID_ARM_NEON)
set(CMAKE_ANDROID_ARM_NEON 1)
else()
set(CMAKE_ANDROID_ARM_NEON 0)
endif()
string(APPEND CMAKE_SYSTEM_CUSTOM_CODE
"set(CMAKE_ANDROID_ARM_NEON \"${CMAKE_ANDROID_ARM_NEON}\")\n"
)
elseif(DEFINED CMAKE_ANDROID_ARM_NEON)
message(FATAL_ERROR "Android: CMAKE_ANDROID_ARM_NEON is set but is valid only for 'armeabi-v7a' architecture.")
endif()
# Report the chosen architecture.
message(STATUS "Android: Targeting API '${CMAKE_SYSTEM_VERSION}' with architecture '${CMAKE_ANDROID_ARCH}', ABI '${CMAKE_ANDROID_ARCH_ABI}', and processor '${CMAKE_SYSTEM_PROCESSOR}'")
|
