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set(CROSS_ROOTFS $ENV{ROOTFS_DIR})
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR armv7l)
set(TOOLCHAIN "arm-linux-gnueabi")
add_compile_options(-target armv7-linux-gnueabi)
add_compile_options(-mthumb)
add_compile_options(-mfpu=vfpv3)
add_compile_options(-mfloat-abi=softfp)
add_compile_options(--sysroot=${CROSS_ROOTFS})
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -target ${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} --sysroot=${CROSS_ROOTFS}")
if("$ENV{__DistroRid}" MATCHES "tizen.*")
set(TIZEN_TOOLCHAIN "armv7l-tizen-linux-gnueabi/6.2.1")
include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/)
include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/armv7l-tizen-linux-gnueabi)
add_compile_options(-Wno-deprecated-declarations) # compile-time option
add_compile_options(-D__extern_always_inline=inline) # compile-time option
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -B${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/lib")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/usr/lib")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}")
else()
# TODO: this setting assumes debian armel rootfs
include_directories(SYSTEM ${CROSS_ROOTFS}/usr/include/c++/4.9)
include_directories(SYSTEM ${CROSS_ROOTFS}/usr/include/${TOOLCHAIN}/c++/4.9)
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -B${CROSS_ROOTFS}/usr/lib/gcc/${TOOLCHAIN}/4.9")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/usr/lib/${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/lib/${TOOLCHAIN}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/usr/lib/gcc/${TOOLCHAIN}/4.9")
endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
set(CMAKE_FIND_ROOT_PATH "${CROSS_ROOTFS}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(LLVM_ARM_DIR "$ENV{LLVM_ARM_HOME}")
if(LLVM_ARM_DIR)
set(WITH_LLDB_LIBS "${LLVM_ARM_DIR}/lib/" CACHE STRING "")
set(WITH_LLDB_INCLUDES "${LLVM_ARM_DIR}/include" CACHE STRING "")
set(LLDB_H "${WITH_LLDB_INCLUDES}" CACHE STRING "")
set(LLDB "${LLVM_ARM_DIR}/lib/liblldb.so" CACHE STRING "")
else()
set(WITH_LLDB_LIBS "${CROSS_ROOTFS}/usr/lib/${TOOLCHAIN}" CACHE STRING "")
set(WITH_LLDB_INCLUDES "${CROSS_ROOTFS}/usr/lib/llvm-3.6/include" CACHE STRING "")
endif()
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