blob: 8bd0de9c96d6c625e805e53ca4bf8b70d51e9c06 (
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
|
#=============================================================================
# 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.)
# In Android NDK releases there is build system toolchain selection logic in
# these files:
#
# * <ndk>/build/core/init.mk
# * <ndk>/build/core/setup-toolchain.mk
# * <ndk>/[build/core/]toolchains/<toolchain>/{config.mk,setup.mk}
#
# We parse information out of the ``config.mk`` and ``setup.mk`` files below.
#
# There is also a "toolchains" directory with the prebuilt toolchains themselves:
#
# * <triple-or-arch>-<gcc-version>/prebuilt/<host>/bin/<triple>-gcc(.exe)?
# The gcc compiler to be invoked.
#
# * llvm*/prebuilt/<host>/bin/clang
# The clang compiler to be invoked with flags:
# -target <triple>
# -gcc-toolchain <ndk>/toolchains/<triple-or-arch>-<gcc-version>
# Glob available toolchains in the NDK, restricted by any version request.
if(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION STREQUAL "clang")
set(_ANDROID_TOOL_PATTERNS "*-clang" "*-clang[0-9].[0-9]")
elseif(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION)
if(NOT CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION MATCHES "^(clang)?[0-9]\\.[0-9]$")
message(FATAL_ERROR
"Android: The CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION value '${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}' "
"is not one of the allowed forms:\n"
" <major>.<minor> = GCC of specified version\n"
" clang<major>.<minor> = Clang of specified version\n"
" clang = Clang of most recent available version\n"
)
endif()
set(_ANDROID_TOOL_PATTERNS "*-${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}")
else()
set(_ANDROID_TOOL_PATTERNS "*-[0-9].[0-9]")
endif()
set(_ANDROID_CONFIG_MK_PATTERNS)
foreach(base "build/core/toolchains" "toolchains")
foreach(pattern IN LISTS _ANDROID_TOOL_PATTERNS)
list(APPEND _ANDROID_CONFIG_MK_PATTERNS
"${CMAKE_ANDROID_NDK}/${base}/${pattern}/config.mk"
)
endforeach()
endforeach()
unset(_ANDROID_TOOL_PATTERNS)
file(GLOB _ANDROID_CONFIG_MKS ${_ANDROID_CONFIG_MK_PATTERNS})
unset(_ANDROID_CONFIG_MK_PATTERNS)
# Find the newest toolchain version matching the ABI.
set(_ANDROID_TOOL_NAME "")
set(_ANDROID_TOOL_VERS 0)
set(_ANDROID_TOOL_SETUP_MK "")
foreach(config_mk IN LISTS _ANDROID_CONFIG_MKS)
# Check that the toolchain matches the ABI.
file(STRINGS "${config_mk}" _ANDROID_TOOL_ABIS REGEX "^TOOLCHAIN_ABIS :=.* ${CMAKE_ANDROID_ARCH_ABI}( |$)")
if(NOT _ANDROID_TOOL_ABIS)
continue()
endif()
unset(_ANDROID_TOOL_ABIS)
# Check the version.
if("${config_mk}" MATCHES [[/([^/]+-(clang)?([0-9]\.[0-9]|))/config.mk$]])
set(_ANDROID_CUR_NAME "${CMAKE_MATCH_1}")
set(_ANDROID_CUR_VERS "${CMAKE_MATCH_3}")
if(_ANDROID_TOOL_VERS STREQUAL "")
# already the latest possible
elseif(_ANDROID_CUR_VERS STREQUAL "" OR _ANDROID_CUR_VERS VERSION_GREATER _ANDROID_TOOL_VERS)
set(_ANDROID_TOOL_NAME "${_ANDROID_CUR_NAME}")
set(_ANDROID_TOOL_VERS "${_ANDROID_CUR_VERS}")
string(REPLACE "/config.mk" "/setup.mk" _ANDROID_TOOL_SETUP_MK "${config_mk}")
endif()
unset(_ANDROID_CUR_TOOL)
unset(_ANDROID_CUR_VERS)
endif()
endforeach()
# Verify that we have a suitable toolchain.
if(NOT _ANDROID_TOOL_NAME)
if(_ANDROID_CONFIG_MKS)
string(REPLACE ";" "\n " _ANDROID_TOOLS_MSG "after considering:;${_ANDROID_CONFIG_MKS}")
else()
set(_ANDROID_TOOLS_MSG "")
endif()
if(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION)
string(CONCAT _ANDROID_TOOLS_MSG
"of the version specified by CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION:\n"
" ${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}\n"
"${_ANDROID_TOOLS_MSG}")
endif()
message(FATAL_ERROR
"Android: No toolchain for ABI '${CMAKE_ANDROID_ARCH_ABI}' found in the NDK:\n"
" ${CMAKE_ANDROID_NDK}\n"
"${_ANDROID_TOOLS_MSG}"
)
endif()
unset(_ANDROID_CONFIG_MKS)
# For clang toolchains we still need to find a gcc toolchain.
if(_ANDROID_TOOL_NAME MATCHES "-clang")
set(_ANDROID_TOOL_CLANG_NAME "${_ANDROID_TOOL_NAME}")
set(_ANDROID_TOOL_CLANG_VERS "${_ANDROID_TOOL_VERS}")
set(_ANDROID_TOOL_NAME "")
set(_ANDROID_TOOL_VERS "")
else()
set(_ANDROID_TOOL_CLANG_NAME "")
set(_ANDROID_TOOL_CLANG_VERS "")
endif()
# Parse the toolchain setup.mk file to extract information we need.
# Their content is not standardized across toolchains or NDK versions,
# so we match known cases. Note that the parsing is stateful across
# lines because we need to substitute for some Make variable references.
if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG)
message(STATUS "loading: ${_ANDROID_TOOL_SETUP_MK}")
endif()
file(STRINGS "${_ANDROID_TOOL_SETUP_MK}" _ANDROID_TOOL_SETUP REGEX "^(LLVM|TOOLCHAIN)_[A-Z_]+ +:= +.*$")
unset(_ANDROID_TOOL_SETUP_MK)
set(_ANDROID_TOOL_PREFIX "")
set(_ANDROID_TOOL_NAME_ONLY "")
set(_ANDROID_TOOL_LLVM_NAME "")
set(_ANDROID_TOOL_LLVM_VERS "")
foreach(line IN LISTS _ANDROID_TOOL_SETUP)
if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG)
message(STATUS "setup.mk: ${line}")
endif()
if(line MATCHES [[^TOOLCHAIN_PREFIX +:= +.*/bin/([^$/ ]*) *$]])
# We just matched the toolchain prefix with no Make variable references.
set(_ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}")
elseif(_ANDROID_TOOL_CLANG_NAME)
# For clang toolchains we need to find more information.
if(line MATCHES [[^TOOLCHAIN_VERSION +:= +([0-9.]+) *$]])
# We just matched the gcc toolchain version number. Save it for later.
set(_ANDROID_TOOL_VERS "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^TOOLCHAIN_NAME +:= +(.*\$\(TOOLCHAIN_VERSION\)) *$]])
# We just matched the gcc toolchain name with a version number placeholder, so substitute it.
# The gcc toolchain version number will have already been extracted from a TOOLCHAIN_VERSION line.
string(REPLACE "$(TOOLCHAIN_VERSION)" "${_ANDROID_TOOL_VERS}" _ANDROID_TOOL_NAME "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^TOOLCHAIN_NAME +:= +([^$/ ]+) *$]])
# We just matched the gcc toolchain name without version number. Save it for later.
set(_ANDROID_TOOL_NAME_ONLY "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^TOOLCHAIN_PREFIX +:= +.*/bin/(\$\(TOOLCHAIN_NAME\)-) *$]])
# We just matched the toolchain prefix with a name placholder, so substitute it.
# The gcc toolchain name will have already been extracted without version number from a TOOLCHAIN_NAME line.
string(REPLACE "$(TOOLCHAIN_NAME)" "${_ANDROID_TOOL_NAME_ONLY}" _ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^LLVM_VERSION +:= +([0-9.]+)$]])
# We just matched the llvm prebuilt binary toolchain version number. Save it for later.
set(_ANDROID_TOOL_LLVM_VERS "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^LLVM_NAME +:= +(llvm-\$\(LLVM_VERSION\)) *$]])
# We just matched the llvm prebuilt binary toolchain directory name with a version number placeholder,
# so substitute it. The llvm prebuilt binary toolchain version number will have already been extracted
# from a LLVM_VERSION line.
string(REPLACE "$(LLVM_VERSION)" "${_ANDROID_TOOL_LLVM_VERS}" _ANDROID_TOOL_LLVM_NAME "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^LLVM_TOOLCHAIN_PREBUILT_ROOT +:= +\$\(call get-toolchain-root.*,([^$ ]+)\) *$]])
# We just matched the llvm prebuilt binary toolchain directory name.
set(_ANDROID_TOOL_LLVM_NAME "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^TOOLCHAIN_ROOT +:= +\$\(call get-toolchain-root.*,(\$\(TOOLCHAIN_NAME\)-[0-9.]+)\) *$]])
# We just matched a placeholder for the name followed by a version number.
# The gcc toolchain name will have already been extracted without version number from a TOOLCHAIN_NAME line.
# Substitute for the placeholder to get the full gcc toolchain name.
string(REPLACE "$(TOOLCHAIN_NAME)" "${_ANDROID_TOOL_NAME_ONLY}" _ANDROID_TOOL_NAME "${CMAKE_MATCH_1}")
elseif(line MATCHES [[^TOOLCHAIN_ROOT +:= +\$\(call get-toolchain-root.*,([^$ ]+)\) *$]])
# We just matched the full gcc toolchain name without placeholder.
set(_ANDROID_TOOL_NAME "${CMAKE_MATCH_1}")
endif()
endif()
endforeach()
unset(_ANDROID_TOOL_NAME_ONLY)
unset(_ANDROID_TOOL_LLVM_VERS)
unset(_ANDROID_TOOL_SETUP)
# Fall back to parsing the version and prefix from the tool name.
if(NOT _ANDROID_TOOL_VERS AND "${_ANDROID_TOOL_NAME}" MATCHES "-([0-9.]+)$")
set(_ANDROID_TOOL_VERS "${CMAKE_MATCH_1}")
endif()
if(NOT _ANDROID_TOOL_PREFIX AND "${_ANDROID_TOOL_NAME}" MATCHES "^(.*-)[0-9.]+$")
set(_ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}")
endif()
# Identify the host platform.
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(_ANDROID_HOST_DIR "darwin-x86_64")
else()
set(_ANDROID_HOST_DIR "darwin-x86")
endif()
elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(_ANDROID_HOST_DIR "linux-x86_64")
else()
set(_ANDROID_HOST_DIR "linux-x86")
endif()
elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "AMD64")
set(_ANDROID_HOST_DIR "windows-x86_64")
else()
set(_ANDROID_HOST_DIR "windows")
endif()
else()
message(FATAL_ERROR "Android: Builds hosted on '${CMAKE_HOST_SYSTEM_NAME}' not supported.")
endif()
# Help CMakeFindBinUtils locate things.
set(_CMAKE_TOOLCHAIN_PREFIX "${_ANDROID_TOOL_PREFIX}")
set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "${_ANDROID_TOOL_VERS}")
set(_ANDROID_TOOL_C_TOOLCHAIN_PREFIX "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_NAME}/prebuilt/${_ANDROID_HOST_DIR}/bin/${_ANDROID_TOOL_PREFIX}")
set(_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX "${_ANDROID_HOST_EXT}")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_VERSION "${_ANDROID_TOOL_C_TOOLCHAIN_VERSION}")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX "${_ANDROID_TOOL_C_TOOLCHAIN_PREFIX}")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX "${_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX}")
if(_ANDROID_TOOL_CLANG_NAME)
message(STATUS "Android: Selected Clang toolchain '${_ANDROID_TOOL_CLANG_NAME}' with GCC toolchain '${_ANDROID_TOOL_NAME}'")
set(_ANDROID_TOOL_C_COMPILER "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_LLVM_NAME}/prebuilt/${_ANDROID_HOST_DIR}/bin/clang${_ANDROID_HOST_EXT}")
set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN ${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_NAME}/prebuilt/${_ANDROID_HOST_DIR})
set(_ANDROID_TOOL_CXX_COMPILER "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_LLVM_NAME}/prebuilt/${_ANDROID_HOST_DIR}/bin/clang++${_ANDROID_HOST_EXT}")
set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "${_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN}")
else()
message(STATUS "Android: Selected GCC toolchain '${_ANDROID_TOOL_NAME}'")
set(_ANDROID_TOOL_C_COMPILER "${_ANDROID_TOOL_C_TOOLCHAIN_PREFIX}gcc${_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX}")
set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN "")
set(_ANDROID_TOOL_CXX_COMPILER "${_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX}g++${_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX}")
set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "")
endif()
if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG)
message(STATUS "_ANDROID_TOOL_NAME=${_ANDROID_TOOL_NAME}")
message(STATUS "_ANDROID_TOOL_VERS=${_ANDROID_TOOL_VERS}")
message(STATUS "_ANDROID_TOOL_PREFIX=${_ANDROID_TOOL_PREFIX}")
message(STATUS "_ANDROID_TOOL_CLANG_NAME=${_ANDROID_TOOL_CLANG_NAME}")
message(STATUS "_ANDROID_TOOL_CLANG_VERS=${_ANDROID_TOOL_CLANG_VERS}")
message(STATUS "_ANDROID_TOOL_LLVM_NAME=${_ANDROID_TOOL_LLVM_NAME}")
endif()
unset(_ANDROID_TOOL_NAME)
unset(_ANDROID_TOOL_VERS)
unset(_ANDROID_TOOL_PREFIX)
unset(_ANDROID_TOOL_CLANG_NAME)
unset(_ANDROID_TOOL_CLANG_VERS)
unset(_ANDROID_TOOL_LLVM_NAME)
unset(_ANDROID_HOST_DIR)
|
