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Merge topic 'android-standalone-unified-api-level'

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5f93bf78 Android: Detect API version of standalone toolchain with unified headers

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !950
This commit is contained in:
Brad King 2017-06-12 14:23:00 +00:00 committed by Kitware Robot
commit 637ff39d45
1 changed files with 28 additions and 5 deletions
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33
Modules/Platform/Android-Determine.cmake
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@ -100,11 +100,34 @@ 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}")
# Try to read the API level from the toolchain launcher.
if(EXISTS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang")
set(_ANDROID_API_LEVEL_CLANG_REGEX "__ANDROID_API__=([0-9]+)")
file(STRINGS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang" _ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG
REGEX "${_ANDROID_API_LEVEL_CLANG_REGEX}" LIMIT_COUNT 1 LIMIT_INPUT 65536)
if(_ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG MATCHES "${_ANDROID_API_LEVEL_CLANG_REGEX}")
set(_ANDROID_STANDALONE_TOOLCHAIN_API "${CMAKE_MATCH_1}")
endif()
unset(_ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG)
unset(_ANDROID_API_LEVEL_CLANG_REGEX)
endif()
if(NOT _ANDROID_STANDALONE_TOOLCHAIN_API)
# The compiler launcher does not know __ANDROID_API__. Assume this
# is not unified headers and look for it in the api-level.h header.
set(_ANDROID_API_LEVEL_H_REGEX "^[\t ]*#[\t ]*define[\t ]+__ANDROID_API__[\t ]+([0-9]+)")
file(STRINGS "${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 _ANDROID_STANDALONE_TOOLCHAIN_API)
message(WARNING
"Android: Did not detect API level from\n"
" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang\n"
"or\n"
" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h\n"
)
endif()
endif()