# - March 2013
# [+] updated for NDK r8e (x86 version)
# [+] support x86_64 version of NDK
+# - April 2013
+# [+] support non-release NDK layouts (from Linaro git and Android git)
+# [~] automatically detect if explicit link to crtbegin_*.o is needed
# ------------------------------------------------------------------------------
cmake_minimum_required( VERSION 2.6.3 )
# remember found paths
if( ANDROID_NDK )
get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE )
- # try to detect change
- if( CMAKE_AR )
- string( LENGTH "${ANDROID_NDK}" __length )
- string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath )
- if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK )
- message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first.
- " )
- endif()
- unset( __androidNdkPreviousPath )
- unset( __length )
- endif()
set( ANDROID_NDK "${ANDROID_NDK}" CACHE INTERNAL "Path of the Android NDK" FORCE )
set( BUILD_WITH_ANDROID_NDK True )
if( EXISTS "${ANDROID_NDK}/RELEASE.TXT" )
# android NDK layout
if( BUILD_WITH_ANDROID_NDK )
if( NOT DEFINED ANDROID_NDK_LAYOUT )
- set( ANDROID_NDK_LAYOUT "RELEASE" )
+ # try to automatically detect the layout
+ if( EXISTS "${ANDROID_NDK}/RELEASE.TXT")
+ set( ANDROID_NDK_LAYOUT "RELEASE" )
+ elseif( EXISTS "${ANDROID_NDK}/../../linux-x86/toolchain/" )
+ set( ANDROID_NDK_LAYOUT "LINARO" )
+ elseif( EXISTS "${ANDROID_NDK}/../../gcc/" )
+ set( ANDROID_NDK_LAYOUT "ANDROID" )
+ endif()
endif()
set( ANDROID_NDK_LAYOUT "${ANDROID_NDK_LAYOUT}" CACHE STRING "The inner layout of NDK" )
mark_as_advanced( ANDROID_NDK_LAYOUT )
set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../${ANDROID_NDK_HOST_SYSTEM_NAME}/toolchain" )
set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" )
set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" )
+ elseif( ANDROID_NDK_LAYOUT STREQUAL "ANDROID" )
+ set( ANDROID_NDK_HOST_SYSTEM_NAME ${ANDROID_NDK_HOST_SYSTEM_NAME2} ) # only 32-bit at the moment
+ set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/../../gcc/${ANDROID_NDK_HOST_SYSTEM_NAME}/arm" )
+ set( ANDROID_NDK_TOOLCHAINS_SUBPATH "" )
+ set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "" )
else() # ANDROID_NDK_LAYOUT STREQUAL "RELEASE"
set( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK}/toolchains" )
set( ANDROID_NDK_TOOLCHAINS_SUBPATH "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME}" )
set( ANDROID_NDK_TOOLCHAINS_SUBPATH2 "/prebuilt/${ANDROID_NDK_HOST_SYSTEM_NAME2}" )
endif()
+ get_filename_component( ANDROID_NDK_TOOLCHAINS_PATH "${ANDROID_NDK_TOOLCHAINS_PATH}" ABSOLUTE )
+
+ # try to detect change of NDK
+ if( CMAKE_AR )
+ string( LENGTH "${ANDROID_NDK_TOOLCHAINS_PATH}" __length )
+ string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath )
+ if( NOT __androidNdkPreviousPath STREQUAL ANDROID_NDK_TOOLCHAINS_PATH )
+ message( FATAL_ERROR "It is not possible to change the path to the NDK on subsequent CMake run. You must remove all generated files from your build folder first.
+ " )
+ endif()
+ unset( __androidNdkPreviousPath )
+ unset( __length )
+ endif()
endif()
+
# get all the details about standalone toolchain
if( BUILD_WITH_STANDALONE_TOOLCHAIN )
__DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" )
# setup the cross-compiler
if( NOT CMAKE_C_COMPILER )
- if( NDK_CCACHE )
+ if( NDK_CCACHE AND NOT ANDROID_SYSROOT MATCHES "[ ;\"]" )
set( CMAKE_C_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C compiler" )
set( CMAKE_CXX_COMPILER "${NDK_CCACHE}" CACHE PATH "ccache as C++ compiler" )
if( ANDROID_COMPILER_IS_CLANG )
remove_definitions( -DANDROID )
add_definitions( -DANDROID )
-if(ANDROID_SYSROOT MATCHES "[ ;\"]")
- set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" )
+if( ANDROID_SYSROOT MATCHES "[ ;\"]" )
+ if( CMAKE_HOST_WIN32 )
+ # try to convert path to 8.3 form
+ file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "@echo %~s1" )
+ execute_process( COMMAND "$ENV{ComSpec}" /c "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cvt83.cmd" "${ANDROID_SYSROOT}"
+ OUTPUT_VARIABLE __path OUTPUT_STRIP_TRAILING_WHITESPACE
+ RESULT_VARIABLE __result ERROR_QUIET )
+ if( __result EQUAL 0 )
+ file( TO_CMAKE_PATH "${__path}" ANDROID_SYSROOT )
+ set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" )
+ else()
+ set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" )
+ endif()
+ else()
+ set( ANDROID_CXX_FLAGS "'--sysroot=${ANDROID_SYSROOT}'" )
+ endif()
if( NOT _CMAKE_IN_TRY_COMPILE )
- # quotes will break try_compile and compiler identification
- message(WARNING "Your Android system root has non-alphanumeric symbols. It can break compiler features detection and the whole build.")
+ # quotes can break try_compile and compiler identification
+ message(WARNING "Path to your Android NDK (or toolchain) has non-alphanumeric symbols.\nThe build might be broken.\n")
endif()
else()
set( ANDROID_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT}" )
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv5te -mtune=xscale -msoft-float" )
endif()
+if( ANDROID_STL MATCHES "gnustl" AND (EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}") )
+ set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
+ set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
+ set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
+else()
+ set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
+ set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
+ set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
+endif()
+
# STL
if( EXISTS "${__libstl}" OR EXISTS "${__libsupcxx}" )
- if( ANDROID_STL MATCHES "gnustl" )
- set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
- set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
- set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
- else()
- set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
- set( CMAKE_CXX_CREATE_SHARED_MODULE "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" )
- set( CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>" )
- endif()
- if ( X86 AND ANDROID_STL MATCHES "gnustl" AND ANDROID_NDK_RELEASE STREQUAL "r6" )
- # workaround "undefined reference to `__dso_handle'" problem
- set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
- set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
- endif()
if( EXISTS "${__libstl}" )
set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${__libstl}\"" )
set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${__libstl}\"" )
set( CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} \"${__libsupcxx}\"" )
endif()
if( ANDROID_STL MATCHES "gnustl" )
- set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} -lm" )
- set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} -lm" )
- set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lm" )
+ if( NOT EXISTS "${ANDROID_LIBM_PATH}" )
+ set( ANDROID_LIBM_PATH -lm )
+ endif()
+ set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} ${ANDROID_LIBM_PATH}" )
+ set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} ${ANDROID_LIBM_PATH}" )
+ set( CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${ANDROID_LIBM_PATH}" )
endif()
endif()
endif()
if( ANDROID_NO_UNDEFINED )
- set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" )
+ if( MIPS )
+ # there is some sysroot-related problem in mips linker...
+ if( NOT ANDROID_SYSROOT MATCHES "[ ;\"]" )
+ set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib" )
+ endif()
+ else()
+ set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--no-undefined" )
+ endif()
endif()
if( ANDROID_SO_UNDEFINED )
include_directories( SYSTEM "${ANDROID_SYSROOT}/usr/include" ${ANDROID_STL_INCLUDE_DIRS} )
link_directories( "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" )
+# detect if need link crtbegin_so.o explicitly
+if( NOT DEFINED ANDROID_EXPLICIT_CRT_LINK )
+ set( __cmd "${CMAKE_CXX_CREATE_SHARED_LIBRARY}" )
+ string( REPLACE "<CMAKE_CXX_COMPILER>" "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}" __cmd "${__cmd}" )
+ string( REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" __cmd "${__cmd}" )
+ string( REPLACE "<CMAKE_SHARED_LIBRARY_CXX_FLAGS>" "${CMAKE_CXX_FLAGS}" __cmd "${__cmd}" )
+ string( REPLACE "<LANGUAGE_COMPILE_FLAGS>" "" __cmd "${__cmd}" )
+ string( REPLACE "<LINK_FLAGS>" "${CMAKE_SHARED_LINKER_FLAGS}" __cmd "${__cmd}" )
+ string( REPLACE "<CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS>" "-shared" __cmd "${__cmd}" )
+ string( REPLACE "<CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG>" "" __cmd "${__cmd}" )
+ string( REPLACE "<TARGET_SONAME>" "" __cmd "${__cmd}" )
+ string( REPLACE "<TARGET>" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain_crtlink_test.so" __cmd "${__cmd}" )
+ string( REPLACE "<OBJECTS>" "\"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" __cmd "${__cmd}" )
+ string( REPLACE "<LINK_LIBRARIES>" "" __cmd "${__cmd}" )
+ separate_arguments( __cmd )
+ foreach( __var ANDROID_NDK ANDROID_NDK_TOOLCHAINS_PATH ANDROID_STANDALONE_TOOLCHAIN )
+ if( ${__var} )
+ set( __tmp "${${__var}}" )
+ separate_arguments( __tmp )
+ string( REPLACE "${__tmp}" "${${__var}}" __cmd "${__cmd}")
+ endif()
+ endforeach()
+ string( REPLACE "'" "" __cmd "${__cmd}" )
+ string( REPLACE "\"" "" __cmd "${__cmd}" )
+ execute_process( COMMAND ${__cmd} RESULT_VARIABLE __cmd_result OUTPUT_QUIET ERROR_QUIET )
+ if( __cmd_result EQUAL 0 )
+ set( ANDROID_EXPLICIT_CRT_LINK ON )
+ else()
+ set( ANDROID_EXPLICIT_CRT_LINK OFF )
+ endif()
+endif()
+
+if( ANDROID_EXPLICIT_CRT_LINK )
+ set( CMAKE_CXX_CREATE_SHARED_LIBRARY "${CMAKE_CXX_CREATE_SHARED_LIBRARY} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
+ set( CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_MODULE} \"${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o\"" )
+endif()
+
# setup output directories
set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "root for library output, set this to change where android libs are installed to" )
set( CMAKE_INSTALL_PREFIX "${ANDROID_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" )
ANDROID_GOLD_LINKER
ANDROID_NOEXECSTACK
ANDROID_RELRO
+ ANDROID_LIBM_PATH
+ ANDROID_EXPLICIT_CRT_LINK
)
if( DEFINED ${__var} )
if( "${__var}" MATCHES " ")
# ANDROID_STANDALONE_TOOLCHAIN
# ANDROID_TOOLCHAIN_NAME : the NDK name of compiler toolchain
# ANDROID_NDK_HOST_X64 : try to use x86_64 toolchain (default for x64 host systems)
+# ANDROID_NDK_LAYOUT : the inner NDK structure (RELEASE, LINARO, ANDROID)
# LIBRARY_OUTPUT_PATH_ROOT : <any valid path>
# NDK_CCACHE : <path to your ccache executable>
# Obsolete:
# ANDROID_EXCEPTIONS : if exceptions are enabled by the runtime
# ANDROID_GCC_TOOLCHAIN_NAME : read-only, differs from ANDROID_TOOLCHAIN_NAME only if clang is used
# ANDROID_CLANG_VERSION : version of clang compiler if clang is used
+# ANDROID_LIBM_PATH : path to libm.so (set to something like $(TOP)/out/target/product/<product_name>/obj/lib/libm.so) to workaround unresolved `sincos`
#
# Defaults:
# ANDROID_DEFAULT_NDK_API_LEVEL
projects / apitrace / blobdiff