make/toolchain-arm32.cmake

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# For cross compiling on 32-bit arm Linux using arm-linux-gnueabi-gcc package:
# - install arm-linux-gnueabi-gcc package:
#   $ sudo apt-get install g*arm-linux-gnueabi
# - cross-compiling config
#   $ cmake -DCMAKE_TOOLCHAIN_FILE=../dynamorio/make/toolchain-arm32.cmake ../dynamorio
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
# If using a different target, set -DTARGET_ABI=<abi> on the command line.
if (NOT DEFINED TARGET_ABI)
  set(TARGET_ABI "linux-gnueabi")
endif ()
# specify the cross compiler
SET(CMAKE_C_COMPILER   arm-${TARGET_ABI}-gcc)
SET(CMAKE_CXX_COMPILER arm-${TARGET_ABI}-g++)

# Assuming the cross compiler is installed to /usr/bin,
# we do not need to set where the target environment is.
SET(CMAKE_FIND_ROOT_PATH)
# search for programs in the build host directories
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# for libraries and headers in the target directories
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

# set additional variables
SET(CMAKE_LINKER        arm-${TARGET_ABI}-ld       CACHE FILEPATH "cmake_linker")
SET(CMAKE_ASM_COMPILER  arm-${TARGET_ABI}-as       CACHE FILEPATH "cmake_asm_compiler")
SET(CMAKE_OBJCOPY       arm-${TARGET_ABI}-objcopy  CACHE FILEPATH "cmake_objcopy")
SET(CMAKE_STRIP         arm-${TARGET_ABI}-strip    CACHE FILEPATH "cmake_strip")
SET(CMAKE_CPP           arm-${TARGET_ABI}-cpp      CACHE FILEPATH "cmake_cpp")