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Android toolchain: libstdc++ and libsupc are removed from explicit link libraries

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# Please enter the commit message for your changes. Lines starting
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# Your branch is ahead of 'origin/master' by 1 commit.
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# Changes to be committed:
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#	modified:   android/android.toolchain.cmake
#
pull/11/head
Andrey Kamaev 13 years ago
parent 2e685dcf0a
commit 6da9b9f137
1 changed files with 66 additions and 65 deletions
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  1. 131
      android/android.toolchain.cmake

131
android/android.toolchain.cmake
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@ -1,6 +1,6 @@
# ------------------------------------------------------------------------------
# Android CMake toolchain file, for use with the Android NDK r5-r8
# Requires cmake 2.6.3 or newer (2.8.3 or newer is recommended).
# Requires cmake 2.6.3 or newer (2.8.5 or newer is recommended).
# See home page: http://code.google.com/p/android-cmake/
#
# The file is mantained by the OpenCV project. And also can be found at
@ -44,7 +44,8 @@
# ANDROID_ABI=armeabi-v7a - specifies the target Application Binary
# Interface (ABI). This option nearly matches to the APP_ABI variable
# used by ndk-build tool from Android NDK.
# Possible values are:
#
# Possible targets are:
# "armeabi" - matches to the NDK ABI with the same name.
# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation.
# "armeabi-v7a" - matches to the NDK ABI with the same name.
@ -55,7 +56,9 @@
# sets VFPV3 as floating-point unit (has 32 registers instead of 16).
# "armeabi-v6 with VFP" - tuned for ARMv6 processors having VFP.
# "x86" - matches to the NDK ABI with the same name.
# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation.
# See ${ANDROID_NDK}/docs/CPU-ARCH-ABIS.html for the documentation.
# "mips" - matches to the NDK ABI with the same name
# (not testes on real devices)
#
# ANDROID_NATIVE_API_LEVEL=android-8 - level of Android API compile for.
# Option is read-only when standalone toolchain used.
@ -183,12 +186,13 @@
# - modified August 2012
# [+] updated for NDK r8b
# [~] all intermediate files generated by toolchain are moved into CMakeFiles
# [~] libstdc++ and libsupc are removed from explicit link libraries
# ------------------------------------------------------------------------------
cmake_minimum_required( VERSION 2.6.3 )
if( DEFINED CMAKE_CROSSCOMPILING )
#subsequent toolchain loading is not really needed
# subsequent toolchain loading is not really needed
return()
endif()
@ -199,7 +203,7 @@ endif()
# this one is important
set( CMAKE_SYSTEM_NAME Linux )
#this one not so much
# this one not so much
set( CMAKE_SYSTEM_VERSION 1 )
set( ANDROID_SUPPORTED_NDK_VERSIONS ${ANDROID_EXTRA_NDK_VERSIONS} -r8b -r8 -r7c -r7b -r7 -r6b -r6 -r5c -r5b -r5 "" )
@ -331,11 +335,11 @@ macro( __COPY_IF_DIFFERENT _source _destination )
endmacro()
#stl version: by default gnustl_static will be used
# stl version: by default gnustl_static will be used
set( ANDROID_USE_STLPORT FALSE CACHE BOOL "Experimental: use stlport_static instead of gnustl_static")
mark_as_advanced( ANDROID_USE_STLPORT )
#fight against cygwin
# fight against cygwin
set( ANDROID_FORBID_SYGWIN TRUE CACHE BOOL "Prevent cmake from working under cygwin and using cygwin tools")
mark_as_advanced( ANDROID_FORBID_SYGWIN )
if( ANDROID_FORBID_SYGWIN )
@ -344,7 +348,7 @@ if( ANDROID_FORBID_SYGWIN )
endif()
if( CMAKE_HOST_WIN32 )
#remove cygwin from PATH
# remove cygwin from PATH
set( __new_path "$ENV{PATH}")
__LIST_FILTER( __new_path "cygwin" )
set(ENV{PATH} "${__new_path}")
@ -352,7 +356,7 @@ if( ANDROID_FORBID_SYGWIN )
endif()
endif()
#detect current host platform
# detect current host platform
set( TOOL_OS_SUFFIX "" )
if( CMAKE_HOST_APPLE )
set( ANDROID_NDK_HOST_SYSTEM_NAME "darwin-x86" )
@ -365,10 +369,10 @@ else()
message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" )
endif()
#see if we have path to Android NDK
# see if we have path to Android NDK
__INIT_VARIABLE( ANDROID_NDK PATH ENV_ANDROID_NDK )
if( NOT ANDROID_NDK )
#see if we have path to Android standalone toolchain
# see if we have path to Android standalone toolchain
__INIT_VARIABLE( ANDROID_STANDALONE_TOOLCHAIN PATH ENV_ANDROID_STANDALONE_TOOLCHAIN OBSOLETE_ANDROID_NDK_TOOLCHAIN_ROOT OBSOLETE_ENV_ANDROID_NDK_TOOLCHAIN_ROOT )
if( NOT ANDROID_STANDALONE_TOOLCHAIN )
@ -397,10 +401,10 @@ if( NOT ANDROID_NDK )
endif( NOT ANDROID_STANDALONE_TOOLCHAIN )
endif( NOT ANDROID_NDK )
#remember found paths
# remember found paths
if( ANDROID_NDK )
get_filename_component( ANDROID_NDK "${ANDROID_NDK}" ABSOLUTE )
#try to detect change
# try to detect change
if( CMAKE_AR )
string( LENGTH "${ANDROID_NDK}" __length )
string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidNdkPreviousPath )
@ -414,7 +418,7 @@ if( ANDROID_NDK )
set( BUILD_WITH_ANDROID_NDK True )
elseif( ANDROID_STANDALONE_TOOLCHAIN )
get_filename_component( ANDROID_STANDALONE_TOOLCHAIN "${ANDROID_STANDALONE_TOOLCHAIN}" ABSOLUTE )
#try to detect change
# try to detect change
if( CMAKE_AR )
string( LENGTH "${ANDROID_STANDALONE_TOOLCHAIN}" __length )
string( SUBSTRING "${CMAKE_AR}" 0 ${__length} __androidStandaloneToolchainPreviousPath )
@ -438,7 +442,7 @@ else()
sudo ln -s ~/my-android-toolchain ${ANDROID_STANDALONE_TOOLCHAIN_SEARCH_PATH}" )
endif()
#get all the details about standalone toolchain
# get all the details about standalone toolchain
if( BUILD_WITH_STANDALONE_TOOLCHAIN )
__DETECT_NATIVE_API_LEVEL( ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h" )
set( ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} )
@ -455,7 +459,7 @@ if( BUILD_WITH_STANDALONE_TOOLCHAIN )
set( __availableToolchainArchs "mipsel" )
endif()
if( ANDROID_COMPILER_VERSION )
#do not run gcc every time because it is relatevely expencive
# do not run gcc every time because it is relatevely expencive
set( __availableToolchainCompilerVersions "${ANDROID_COMPILER_VERSION}" )
else()
execute_process( COMMAND "${ANDROID_STANDALONE_TOOLCHAIN}/bin/${__availableToolchainMachines}-gcc${TOOL_OS_SUFFIX}" --version
@ -464,7 +468,7 @@ if( BUILD_WITH_STANDALONE_TOOLCHAIN )
endif()
endif()
#get all the details about NDK
# get all the details about NDK
if( BUILD_WITH_ANDROID_NDK )
file( GLOB ANDROID_SUPPORTED_NATIVE_API_LEVELS RELATIVE "${ANDROID_NDK}/platforms" "${ANDROID_NDK}/platforms/android-*" )
string( REPLACE "android-" "" ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_SUPPORTED_NATIVE_API_LEVELS}" )
@ -490,7 +494,7 @@ if( BUILD_WITH_ANDROID_NDK )
endif()
endif()
#build list of available ABIs
# build list of available ABIs
if( NOT ANDROID_SUPPORTED_ABIS )
set( ANDROID_SUPPORTED_ABIS "" )
set( __uniqToolchainArchNames ${__availableToolchainArchs} )
@ -505,9 +509,9 @@ if( NOT ANDROID_SUPPORTED_ABIS )
endif()
endif()
#choose target ABI
# choose target ABI
__INIT_VARIABLE( ANDROID_ABI OBSOLETE_ARM_TARGET OBSOLETE_ARM_TARGETS VALUES ${ANDROID_SUPPORTED_ABIS} )
#verify that target ABI is supported
# verify that target ABI is supported
list( FIND ANDROID_SUPPORTED_ABIS "${ANDROID_ABI}" __androidAbiIdx )
if( __androidAbiIdx EQUAL -1 )
string( REPLACE ";" "\", \"", PRINTABLE_ANDROID_SUPPORTED_ABIS "${ANDROID_SUPPORTED_ABIS}" )
@ -517,10 +521,10 @@ if( __androidAbiIdx EQUAL -1 )
endif()
unset( __androidAbiIdx )
#remember target ABI
# remember target ABI
set( ANDROID_ABI "${ANDROID_ABI}" CACHE STRING "The target ABI for Android. If arm, then armeabi-v7a is recommended for hardware floating point." FORCE )
#set target ABI options
# set target ABI options
if( ANDROID_ABI STREQUAL "x86" )
set( X86 true )
set( ANDROID_NDK_ABI_NAME "x86" )
@ -545,7 +549,7 @@ elseif( ANDROID_ABI STREQUAL "armeabi-v6 with VFP" )
set( ANDROID_ARCH_NAME "arm" )
set( ANDROID_ARCH_FULLNAME "arm" )
set( CMAKE_SYSTEM_PROCESSOR "armv6" )
#need always fallback to older platform
# need always fallback to older platform
set( ARMEABI true )
elseif( ANDROID_ABI STREQUAL "armeabi-v7a")
set( ARMEABI_V7A true )
@ -573,8 +577,8 @@ else()
endif()
if( CMAKE_BINARY_DIR AND EXISTS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" )
#really dirty hack
#it is not possible to change CMAKE_SYSTEM_PROCESSOR after the first run...
# really dirty hack
# it is not possible to change CMAKE_SYSTEM_PROCESSOR after the first run...
file( APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake" "SET(CMAKE_SYSTEM_PROCESSOR \"${CMAKE_SYSTEM_PROCESSOR}\")\n" )
endif()
@ -592,7 +596,7 @@ else()
unset( ANDROID_FORCE_ARM_BUILD CACHE )
endif()
#choose toolchain
# choose toolchain
if( ANDROID_TOOLCHAIN_NAME )
list( FIND __availableToolchains "${ANDROID_TOOLCHAIN_NAME}" __toolchainIdx )
if( __toolchainIdx EQUAL -1 )
@ -637,10 +641,10 @@ unset( __availableToolchainMachines )
unset( __availableToolchainArchs )
unset( __availableToolchainCompilerVersions )
#choose native API level
# choose native API level
__INIT_VARIABLE( ANDROID_NATIVE_API_LEVEL ENV_ANDROID_NATIVE_API_LEVEL ANDROID_API_LEVEL ENV_ANDROID_API_LEVEL ANDROID_STANDALONE_TOOLCHAIN_API_LEVEL ANDROID_DEFAULT_NDK_API_LEVEL_${ANDROID_ARCH_NAME} ANDROID_DEFAULT_NDK_API_LEVEL )
string( REGEX MATCH "[0-9]+" ANDROID_NATIVE_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}" )
#validate
# validate
list( FIND ANDROID_SUPPORTED_NATIVE_API_LEVELS "${ANDROID_NATIVE_API_LEVEL}" __levelIdx )
if( __levelIdx EQUAL -1 )
message( SEND_ERROR "Specified Android native API level (${ANDROID_NATIVE_API_LEVEL}) is not supported by your NDK/toolchain." )
@ -659,7 +663,7 @@ if( CMAKE_VERSION VERSION_GREATER "2.8" )
set_property( CACHE ANDROID_NATIVE_API_LEVEL PROPERTY STRINGS ${ANDROID_SUPPORTED_NATIVE_API_LEVELS} )
endif()
#setup paths
# setup paths
if( BUILD_WITH_STANDALONE_TOOLCHAIN )
set( ANDROID_TOOLCHAIN_ROOT "${ANDROID_STANDALONE_TOOLCHAIN}" )
set( ANDROID_SYSROOT "${ANDROID_STANDALONE_TOOLCHAIN}/sysroot" )
@ -689,7 +693,7 @@ set( CMAKE_ASM_COMPILER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHI
if( CMAKE_VERSION VERSION_LESS 2.8.5 )
set( CMAKE_ASM_COMPILER_ARG1 "-c" )
endif()
#there may be a way to make cmake deduce these TODO deduce the rest of the tools
# there may be a way to make cmake deduce these TODO deduce the rest of the tools
set( CMAKE_STRIP "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" )
set( CMAKE_AR "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" )
set( CMAKE_LINKER "${ANDROID_TOOLCHAIN_ROOT}/bin/${ANDROID_TOOLCHAIN_MACHINE_NAME}-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" )
@ -705,11 +709,12 @@ if( APPLE )
endif()
mark_as_advanced( CMAKE_INSTALL_NAME_TOOL )
endif()
#export directories
# export directories
set( ANDROID_SYSTEM_INCLUDE_DIRS "" )
set( ANDROID_SYSTEM_LIB_DIRS "" )
#setup output directories
# 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" )
@ -722,13 +727,13 @@ if(NOT _CMAKE_IN_TRY_COMPILE)
set( LIBRARY_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME}" CACHE PATH "path for android libs" )
endif()
#includes
# includes
list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_SYSROOT}/usr/include" )
if( __stlIncludePath AND EXISTS "${__stlIncludePath}" )
list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${__stlIncludePath}" )
endif()
#STL bits includes
# c++ bits includes
if( __stlLibPath AND EXISTS "${__stlLibPath}/include" )
list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${__stlLibPath}/include" )
endif()
@ -742,7 +747,7 @@ elseif( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/incl
list( APPEND ANDROID_SYSTEM_INCLUDE_DIRS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/include/c++/${ANDROID_COMPILER_VERSION}/${ANDROID_TOOLCHAIN_MACHINE_NAME}" )
endif()
#flags and definitions
# flags and definitions
if(ANDROID_SYSROOT MATCHES "[ ;\"]")
set( ANDROID_CXX_FLAGS "--sysroot=\"${ANDROID_SYSROOT}\"" )
# quotes will break try_compile and compiler identification
@ -766,7 +771,7 @@ set( CMAKE_CXX_PLATFORM_ID Linux )
set( CMAKE_CXX_SIZEOF_DATA_PTR 4 )
set( CMAKE_CXX_HAS_ISYSROOT 1 )
set( CMAKE_CXX_COMPILER_ABI ELF )
#force ASM compiler (required for CMake < 2.8.5)
# force ASM compiler (required for CMake < 2.8.5)
set( CMAKE_ASM_COMPILER_ID_RUN TRUE )
set( CMAKE_ASM_COMPILER_ID GNU )
set( CMAKE_ASM_COMPILER_WORKS TRUE )
@ -796,17 +801,17 @@ endif()
if( ANDROID_USE_STLPORT )
set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions" )
set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fno-rtti -fno-exceptions" )
set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fno-exceptions" )
else()
set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -frtti -fexceptions" )
set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fexceptions" )
endif()
#release and debug flags
# release and debug flags
if( ARMEABI OR ARMEABI_V7A )
if( NOT ANDROID_FORCE_ARM_BUILD AND NOT ARMEABI_V6 )
#It is recommended to use the -mthumb compiler flag to force the generation
#of 16-bit Thumb-1 instructions (the default being 32-bit ARM ones).
# It is recommended to use the -mthumb compiler flag to force the generation
# of 16-bit Thumb-1 instructions (the default being 32-bit ARM ones).
# O3 instead of O2/Os in release mode - like cmake sets for desktop gcc
set( _CMAKE_CXX_FLAGS_RELEASE "-mthumb -O3" )
set( _CMAKE_C_FLAGS_RELEASE "-mthumb -O3" )
@ -836,7 +841,7 @@ set( _CMAKE_C_FLAGS_RELEASE "${_CMAKE_C_FLAGS_RELEASE} -fomit-frame-pointer
set( _CMAKE_CXX_FLAGS_DEBUG "${_CMAKE_CXX_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
set( _CMAKE_C_FLAGS_DEBUG "${_CMAKE_C_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
#ABI-specific flags
# ABI-specific flags
if( ARMEABI_V7A )
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -march=armv7-a -mfloat-abi=softfp" )
if( NEON )
@ -854,19 +859,18 @@ elseif( X86 )
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" )#sse?
endif()
#linker flags
# linker flags
if( NOT DEFINED __ndklibspath )
set( __ndklibspath "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/ndklibs/${ANDROID_NDK_ABI_NAME}" )
endif()
list( APPEND ANDROID_SYSTEM_LIB_DIRS "${__ndklibspath}" "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" )
list( APPEND ANDROID_SYSTEM_LIB_DIRS "${CMAKE_INSTALL_PREFIX}/libs/${ANDROID_NDK_ABI_NAME}" )
set( ANDROID_LINKER_FLAGS "" )
#STL
# STL
if( ANDROID_USE_STLPORT )
if( EXISTS "${__stlLibPath}/libstlport_static.a" )
__COPY_IF_DIFFERENT( "${__stlLibPath}/libstlport_static.a" "${__ndklibspath}/libstlport_static.a" )
endif()
if( EXISTS "${__ndklibspath}/libstlport_static.a" )
set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -Wl,--start-group -lstlport_static" )
set( CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> \"${__stlLibPath}/libstlport_static.a\"")
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> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> \"${__stlLibPath}/libstlport_static.a\"")
endif()
else( ANDROID_USE_STLPORT )
if( EXISTS "${__stlLibPath}/libgnustl_static.a" )
@ -880,11 +884,6 @@ else( ANDROID_USE_STLPORT )
elseif( EXISTS "${__stlLibPath}/libstdc++.a" )
__COPY_IF_DIFFERENT( "${__stlLibPath}/libstdc++.a" "${__ndklibspath}/libstdc++.a" )
endif()
if( EXISTS "${__ndklibspath}/libstdc++.a" )
set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -lstdc++" )
endif()
#gcc exception & rtti support
if( EXISTS "${__stlLibPath}/libsupc++.a" )
__COPY_IF_DIFFERENT( "${__stlLibPath}/libsupc++.a" "${__ndklibspath}/libsupc++.a" )
elseif( ANDROID_ARCH_NAME STREQUAL "arm" AND EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/${CMAKE_SYSTEM_PROCESSOR}/thumb/libsupc++.a" )
@ -896,16 +895,14 @@ else( ANDROID_USE_STLPORT )
elseif( EXISTS "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" )
__COPY_IF_DIFFERENT( "${ANDROID_TOOLCHAIN_ROOT}/${ANDROID_TOOLCHAIN_MACHINE_NAME}/lib/libsupc++.a" "${__ndklibspath}/libsupc++.a" )
endif()
if( EXISTS "${__ndklibspath}/libsupc++.a" )
set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -lsupc++" )
endif()
list( APPEND ANDROID_SYSTEM_LIB_DIRS "${__ndklibspath}" )
endif( ANDROID_USE_STLPORT )
#cleanup for STL search
# cleanup for STL search
unset( __stlIncludePath )
unset( __stlLibPath )
#other linker flags
# other linker flags
__INIT_VARIABLE( ANDROID_NO_UNDEFINED OBSOLETE_NO_UNDEFINED VALUES ON )
set( ANDROID_NO_UNDEFINED ${ANDROID_NO_UNDEFINED} CACHE BOOL "Show all undefined symbols as linker errors" FORCE )
mark_as_advanced( ANDROID_NO_UNDEFINED )
@ -914,7 +911,7 @@ if( ANDROID_NO_UNDEFINED )
endif()
if (ANDROID_NDK MATCHES "-r[56].?$")
#libGLESv2.so in NDK's prior to r7 refers to exteranal symbols. So this flag option is required for all projects using OpenGL from native.
# libGLESv2.so in NDK's prior to r7 refers to exteranal symbols. So this flag option is required for all projects using OpenGL from native.
__INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES ON )
else()
__INIT_VARIABLE( ANDROID_SO_UNDEFINED VALUES OFF )
@ -940,7 +937,7 @@ if( ARMEABI_V7A )
set( ANDROID_LINKER_FLAGS "-Wl,--fix-cortex-a8 ${ANDROID_LINKER_FLAGS}" )
endif()
#cache flags
# cache flags
set( CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" )
set( CMAKE_C_FLAGS "${_CMAKE_C_FLAGS}" CACHE STRING "c flags" )
set( CMAKE_CXX_FLAGS_RELEASE "${_CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "c++ Release flags" )
@ -954,7 +951,7 @@ set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "linker flags" )
include_directories( SYSTEM ${ANDROID_SYSTEM_INCLUDE_DIRS} )
link_directories( ${ANDROID_SYSTEM_LIB_DIRS} )
#finish flags
# finish flags
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS}" CACHE INTERNAL "Extra Android compiler flags")
set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS}" CACHE INTERNAL "Extra Android linker flags")
set( CMAKE_CXX_FLAGS "${ANDROID_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" )
@ -969,7 +966,7 @@ else()
set( CMAKE_EXE_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}" )
endif()
#set these global flags for cmake client scripts to change behavior
# set these global flags for cmake client scripts to change behavior
set( ANDROID True )
set( BUILD_ANDROID True )
@ -982,7 +979,7 @@ set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
#macro to find packages on the host OS
# macro to find packages on the host OS
macro( find_host_package )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
@ -1004,7 +1001,7 @@ macro( find_host_package )
endmacro()
#macro to find programs on the host OS
# macro to find programs on the host OS
macro( find_host_program )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
@ -1044,7 +1041,11 @@ if( NOT PROJECT_NAME STREQUAL "CMAKE_TRY_COMPILE" )
set( __toolchain_config "")
foreach( __var ANDROID_ABI ANDROID_FORCE_ARM_BUILD ANDROID_NATIVE_API_LEVEL ANDROID_NO_UNDEFINED ANDROID_SO_UNDEFINED ANDROID_SET_OBSOLETE_VARIABLES LIBRARY_OUTPUT_PATH_ROOT ANDROID_USE_STLPORT ANDROID_FORBID_SYGWIN ANDROID_NDK ANDROID_STANDALONE_TOOLCHAIN ANDROID_FUNCTION_LEVEL_LINKING __ndklibspath )
if( DEFINED ${__var} )
set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" )\n" )
if( "${__var}" MATCHES " ")
set( __toolchain_config "${__toolchain_config}set( ${__var} \"${${__var}}\" CACHE INTERNAL \"\" )\n" )
else()
set( __toolchain_config "${__toolchain_config}set( ${__var} ${${__var}} CACHE INTERNAL \"\" )\n" )
endif()
endif()
endforeach()
file( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/android.toolchain.config.cmake" "${__toolchain_config}" )

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