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toolchain_vitis_crosscomp_arm.cmake
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toolchain_vitis_crosscomp_arm.cmake
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###############################################################################
# Copyright (c) 2019, Xilinx, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION). HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
###############################################################################
# Authors: Kristof Denolf <kristof@xilinx.com>
# Alireza Khodamoradi <alirezak@xilinx.com>
# Date: 2022/09/28
# NOTE: Currenlty only Vitis default sysroot tested and supported
# cmake -DCMAKE_TOOLCHAIN_FILE=toolchain_vitis_crosscomp_arm.cmake ..
# -DArch="arm32 or arm64"
# -DSysroot="absolute path to the sysroot folder"
set(Arch "arm64" CACHE STRING "ARM arch: arm64 or arm32")
list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES Sysroot Arch)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_LIST_DIR})
set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY" CACHE STRING "" FORCE)
#find Vitis
set(CMAKE_FIND_LIBRARY_PREFIXES "lib")
set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so")
find_package(Vitis REQUIRED)
set(VitisRoot ${VITIS_ROOT})
# give the system information
SET (CMAKE_SYSTEM_NAME Linux)
if (WIN32)
SET(VitisHostSystemName "nt")
else (WIN32)
SET(VitisHostSystemName "lin")
endif (WIN32)
if (${Arch} STREQUAL "arm64") # 64 bit toolchain
SET (CMAKE_SYSTEM_PROCESSOR aarch64)
SET (gnuPrefix1 aarch64-linux)
SET (gnuPrefix2 aarch64-linux-gnu)
SET (gnuArch aarch64)
SET (sysrootPrefix aarch64-xilinx-linux)
#extra compilation flags
#NONE
else (${Arch} STREQUAL "arm64") #32 bit toolchain
SET (CMAKE_SYSTEM_PROCESSOR arm)
SET (gnuPrefix1 gcc-arm-linux-gnueabi)
SET (gnuPrefix2 arm-linux-gnueabihf)
SET (gnuArch aarch32)
SET (sysrootPrefix cortexa9t2hf-neon-xilinx-linux-gnueabi)
#extra compilation flags
SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__ARM_PCS_VFP")
endif (${Arch} STREQUAL "arm64")
# specify the cross compiler
set(CMAKE_C_COMPILER ${VitisRoot}/gnu/${gnuArch}/${VitisHostSystemName}/${gnuPrefix1}/bin/${gnuPrefix2}-gcc)
set(CMAKE_CXX_COMPILER ${VitisRoot}/gnu/${gnuArch}/${VitisHostSystemName}/${gnuPrefix1}/bin/${gnuPrefix2}-g++)
set(CMAKE_LINKER ${VitisRoot}/gnu/${gnuArch}/${VitisHostSystemName}/${gnuPrefix1}/bin/aarch64-linux-gnu-ld)
set(CMAKE_AR ${VitisRoot}/gnu/${gnuArch}/${VitisHostSystemName}/${gnuPrefix1}/bin/${gnuPrefix2}-ar)
#find sysroot first try the command line argument Sysroot, then try to find it as part Vitis
find_path(VitisSysrootAsFound "usr/include/stdlib.h" PATHS ${Sysroot} PATH_SUFFIXES "" NO_DEFAULT_PATH)
find_path(VitisSysrootAsFound "usr/include/stdlib.h" PATHS "${VitisRoot}/gnu/${gnuArch}/${VitisHostSystemName}/${gnuPrefix1}/${sysrootPrefix}/" PATH_SUFFIXES "" NO_DEFAULT_PATH)
find_path(VitisSysrootAsFound "usr/include/stdlib.h" PATHS "${CMAKE_FIND_ROOT_PATH}/libc" PATH_SUFFIXES "" NO_DEFAULT_PATH)
MESSAGE ("Vitis sysroot: " ${VitisSysrootAsFound})
# set up cross compilation paths
set(CMAKE_SYSROOT ${VitisSysrootAsFound})
set(CMAKE_FIND_ROOT_PATH ${VitisSysrootAsFound})
set(CMAKE_SKIP_BUILD_RPATH FALSE)
set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
# Ensure that we build relocatable binaries
set(CMAKE_INSTALL_RPATH $ORIGIN)
set(CMAKE_LIBRARY_PATH ${VitisSysrootAsFound}/usr/lib)
set(CMAKE_INCLUDE_PATH ${VitisSysrootAsFound}/usr/)
# adjust the default behavior of the find commands:
# search headers and libraries in the target environment
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
# search programs in the host environment
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)