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author | Brad King <brad.king@kitware.com> | 2016-06-02 15:26:32 (GMT) |
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committer | Brad King <brad.king@kitware.com> | 2016-08-12 14:40:52 (GMT) |
commit | fde59c4d882e104459dbdf8a07a22899427b6657 (patch) | |
tree | b8e43ffee34696ad7b3da86fe946195ee8e77de6 /Modules/Platform | |
parent | 52b6effd817ae44577f86df4f382b0c98df7402a (diff) | |
download | CMake-fde59c4d882e104459dbdf8a07a22899427b6657.zip CMake-fde59c4d882e104459dbdf8a07a22899427b6657.tar.gz CMake-fde59c4d882e104459dbdf8a07a22899427b6657.tar.bz2 |
Android: Detect and save the API level
Store the Android API level in CMAKE_SYSTEM_VERSION. If it is not
provided by the user, initialize it from CMAKE_ANDROID_API or fall back
to finding the latest available in the NDK.
Diffstat (limited to 'Modules/Platform')
-rw-r--r-- | Modules/Platform/Android-Determine.cmake | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Modules/Platform/Android-Determine.cmake b/Modules/Platform/Android-Determine.cmake index 7e7acd4..4dee822 100644 --- a/Modules/Platform/Android-Determine.cmake +++ b/Modules/Platform/Android-Determine.cmake @@ -42,7 +42,55 @@ if(NOT CMAKE_ANDROID_NDK) message(FATAL_ERROR "Android: The NDK root directory was not found.") endif() +# Select an API. +if(CMAKE_SYSTEM_VERSION) + set(_ANDROID_API_VAR CMAKE_SYSTEM_VERSION) +elseif(CMAKE_ANDROID_API) + set(CMAKE_SYSTEM_VERSION "${CMAKE_ANDROID_API}") + set(_ANDROID_API_VAR CMAKE_ANDROID_API) +endif() +if(CMAKE_SYSTEM_VERSION) + if(CMAKE_ANDROID_API AND NOT "x${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='${CMAKE_SYSTEM_VERSION}'." + ) + endif() + if(CMAKE_ANDROID_NDK AND NOT IS_DIRECTORY "${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() + # Save the Android-specific information in CMakeSystem.cmake. set(CMAKE_SYSTEM_CUSTOM_CODE " set(CMAKE_ANDROID_NDK \"${CMAKE_ANDROID_NDK}\") ") + +# Report the chosen architecture. +message(STATUS "Android: Targeting API '${CMAKE_SYSTEM_VERSION}'") |