Android: Add support for NDK r22

NDK r22 removed platforms and sysroot directory.
NDK r18+ provides `.cmake` files with tables of platforms and abis.
This commit is contained in:
Haibo Huang
2020-10-07 16:18:10 -07:00
parent 91a362d2fa
commit 1ab574a0f4

View File

@@ -201,6 +201,12 @@ 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()
if(CMAKE_ANDROID_NDK)
# NDK >= 18 has abis.cmake and platforms.cmake.
include("${CMAKE_ANDROID_NDK}/build/cmake/platforms.cmake" OPTIONAL RESULT_VARIABLE _INCLUDED_PLATFORMS)
include("${CMAKE_ANDROID_NDK}/build/cmake/abis.cmake" OPTIONAL RESULT_VARIABLE _INCLUDED_ABIS)
endif()
if(CMAKE_ANDROID_NDK)
# Identify the host platform.
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
@@ -298,6 +304,19 @@ if(NOT CMAKE_ANDROID_ARCH_ABI)
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}")
elseif(_INCLUDED_ABIS)
# Default to the oldest ARM ABI.
foreach(abi armeabi armeabi-v7a arm64-v8a)
if("${abi}" IN_LIST NDK_DEFAULT_ABIS)
set(CMAKE_ANDROID_ARCH_ABI "${abi}")
break()
endif()
endforeach()
if(NOT CMAKE_ANDROID_ARCH_ABI)
message(FATAL_ERROR
"Android: Can not determine the default ABI. Please set CMAKE_ANDROID_ARCH_ABI."
)
endif()
else()
# https://developer.android.com/ndk/guides/application_mk.html
# Default is the oldest ARM ABI.
@@ -382,33 +401,54 @@ if(CMAKE_SYSTEM_VERSION)
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."
)
if(CMAKE_ANDROID_NDK)
if (_INCLUDED_PLATFORMS)
if(CMAKE_SYSTEM_VERSION GREATER NDK_MAX_PLATFORM_LEVEL OR
CMAKE_SYSTEM_VERSION LESS NDK_MIN_PLATFORM_LEVEL)
message(FATAL_ERROR
"Android: The API level ${CMAKE_SYSTEM_VERSION} is not supported by the NDK."
)
endif()
else()
if(NOT IS_DIRECTORY "${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()
endif()
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."
)
if (_INCLUDED_PLATFORMS)
set(CMAKE_SYSTEM_VERSION ${NDK_MIN_PLATFORM_LEVEL})
# And for LP64 we need to pull up to 21. No diagnostic is provided here because
# minSdkVersion < 21 is valid for the project even though it may not be for this
# ABI.
if(CMAKE_ANDROID_ARCH_ABI MATCHES "64(-v8a)?$" AND CMAKE_SYSTEM_VERSION LESS 21)
set(CMAKE_SYSTEM_VERSION 21)
endif()
else()
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()
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.")