CMakeLists.txt.common

################################################################################
###
### @file       CMakeLists.txt.common
###
### @project    EM7189
###
### @brief
###
### @classification  Confidential
###
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###
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###
### @copyright Copyright (C) 2019 EM Microelectronic
### @cond
###
### 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.
###
################################################################################
###
### 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.
### @endcond
################################################################################
include(ExternalProject)

get_filename_component(EM718X_TOP ${CMAKE_SOURCE_DIR} ABSOLUTE)

if( EXISTS ${CMAKE_CURRENT_BINARY_DIR}/DISCLAIMER.txt )
    file(READ ${CMAKE_CURRENT_BINARY_DIR}/DISCLAIMER.txt disclaimer)
    message("${disclaimer}")
elseif( EXISTS "${EM718X_TOP}/DISCLAIMER.txt" )
    file(READ DISCLAIMER.txt disclaimer)
    message("${disclaimer}")
endif()

include(config.cmake)
include(cmake/clang-format.cmake)

if( CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND NOT BUILD_UTILS )
    add_custom_target(utils ALL)
    if(NOT UTILS_BIN_DIR)
        set(UTILS_BIN_DIR ${CMAKE_SOURCE_DIR}/win64/bin )
    endif()
    message(STATUS "Using prebuilt Windows host tools ${UTILS_BIN_DIR}")
else()
    # utils to install in <build>/bin
    ExternalProject_Add(utils
        PREFIX ${CMAKE_BINARY_DIR}
        SOURCE_DIR ${CMAKE_SOURCE_DIR}/utils
        BINARY_DIR ${CMAKE_BINARY_DIR}/utils
        CMAKE_ARGS -DCMAKE_INSTALL_PREFIX:path=<INSTALL_DIR> -DDIST_TYPE=${DIST_TYPE} -DROM_NAME=${ROM_NAME} -DCMAKE_MAKE_PROGRAM:string=${CMAKE_MAKE_PROGRAM}
        CMAKE_CACHE_ARGS "-DEM718X_TOP:string=${CMAKE_SOURCE_DIR}" "-DUTILS:string=${INSTALL_UTILS}"
        INSTALL_DIR ${CMAKE_BINARY_DIR}
        BUILD_ALWAYS 1
    )
    # Ensure the install step also always runs.
    ExternalProject_Add_Step(utils always_install
        COMMAND ${CMAKE_COMMAND} -E echo_append
        ALWAYS 1
        DEPENDERS install
    )

    set(UTILS_BIN_DIR ${CMAKE_BINARY_DIR}/bin)
endif()

if(ARC_COMPILER)
    add_subdirectory(boards)

    # imports must be added from the top level
    add_subdirectory(libs)
    add_subdirectory(drivers)
    add_subdirectory(drivers_custom)
    if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/${ROM_NAME}/CMakeLists.txt)
        add_subdirectory(${ROM_NAME})
    endif()
    add_subdirectory(${KERNEL_STAGE})
    add_subdirectory(${USER_STAGE})
    add_subdirectory(apps)
else()
    message(WARNING "No ARC_COMPILER found. not building firmware")
endif()

IF(SDK)
    # install compiled utilities for the customer sdk
    INSTALL(DIRECTORY ${UTILS_BIN_DIR}/ DESTINATION utils USE_SOURCE_PERMISSIONS)
ENDIF()