diff options
Diffstat (limited to 'Modules/Platform/Android-Determine.cmake')
| -rw-r--r-- | Modules/Platform/Android-Determine.cmake | 89 |
1 files changed, 88 insertions, 1 deletions
diff --git a/Modules/Platform/Android-Determine.cmake b/Modules/Platform/Android-Determine.cmake index 4dee82261b..dbbdbf2642 100644 --- a/Modules/Platform/Android-Determine.cmake +++ b/Modules/Platform/Android-Determine.cmake @@ -87,10 +87,97 @@ 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") + +# 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() + +# 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}") + 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}") + +# 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_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 '${CMAKE_SYSTEM_VERSION}'") +message(STATUS "Android: Targeting API '${CMAKE_SYSTEM_VERSION}' with architecture '${CMAKE_ANDROID_ARCH}', ABI '${CMAKE_ANDROID_ARCH_ABI}', and processor '${CMAKE_SYSTEM_PROCESSOR}'") |