linux-packaging-mono/external/corert/cross/x86/toolchain.cmake

set(CROSS_ROOTFS $ENV{ROOTFS_DIR})

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR i686)

add_compile_options("-m32")
add_compile_options("--sysroot=${CROSS_ROOTFS}")
add_compile_options("-Wno-error=unused-command-line-argument")

set(CROSS_LINK_FLAGS "--sysroot=${CROSS_ROOTFS}")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -B ${CROSS_ROOTFS}/usr/lib/gcc/i686-linux-gnu")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/lib/i386-linux-gnu")
set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -m32")

set(CMAKE_EXE_LINKER_FLAGS    "${CROSS_LINK_FLAGS}" CACHE STRING "TOOLCHAIN_EXE_LINKER_FLAGS" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS "${CROSS_LINK_FLAGS}" CACHE STRING "TOOLCHAIN_SHARED_LINKER_FLAGS" FORCE)
set(CMAKE_MODULE_LINKER_FLAGS "${CROSS_LINK_FLAGS}" CACHE STRING "TOOLCHAIN_MODULE_LINKER_FLAGS" 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_CROSS_DIR "$ENV{LLVM_CROSS_HOME}")
if(LLVM_CROSS_DIR)
    set(WITH_LLDB_LIBS "${LLVM_CROSS_DIR}/lib/" CACHE STRING "")
    set(WITH_LLDB_INCLUDES "${LLVM_CROSS_DIR}/include" CACHE STRING "")
    set(LLDB_H "${WITH_LLDB_INCLUDES}" CACHE STRING "")
    set(LLDB "${LLVM_CROSS_DIR}/lib/liblldb.so" CACHE STRING "")
else()
    set(WITH_LLDB_LIBS "${CROSS_ROOTFS}/usr/lib/i386-linux-gnu" CACHE STRING "")
    set(CHECK_LLVM_DIR "${CROSS_ROOTFS}/usr/lib/llvm-3.8/include")
    if(EXISTS "${CHECK_LLVM_DIR}" AND IS_DIRECTORY "${CHECK_LLVM_DIR}")
        set(WITH_LLDB_INCLUDES "${CHECK_LLVM_DIR}")
    else()
        set(WITH_LLDB_INCLUDES "${CROSS_ROOTFS}/usr/lib/llvm-3.6/include")
    endif()
endif()