CMakeLists.txt

#
# This file is part of the Pico OpenPGP distribution (https://github.com/polhenarejos/pico-openpgp).
# Copyright (c) 2022 Pol Henarejos.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

cmake_minimum_required(VERSION 3.13)

if(ESP_PLATFORM)
        set(EXTRA_COMPONENT_DIRS src pico-keys-sdk/src)
        include($ENV{IDF_PATH}/tools/cmake/project.cmake)
else()

        if(ENABLE_EMULATION)
        else()
                include(pico_sdk_import.cmake)
        endif()

        project(pico_openpgp C CXX ASM)

        set(CMAKE_C_STANDARD 11)
        set(CMAKE_CXX_STANDARD 17)

        if(ENABLE_EMULATION)
        else()
                pico_sdk_init()
        endif()

        add_executable(pico_openpgp)
endif()

set(SOURCES ${SOURCES}
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/openpgp.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/files.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/piv.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/management.c
)

set(USB_ITF_CCID 1)
set(USB_ITF_WCID 1)
include(pico-keys-sdk/pico_keys_sdk_import.cmake)
if(ESP_PLATFORM)
        project(pico_openpgp)
endif()

set(INCLUDES ${INCLUDES}
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp
)
if(NOT ESP_PLATFORM)
        target_sources(pico_openpgp PUBLIC ${SOURCES})
        target_include_directories(pico_openpgp PUBLIC ${INCLUDES})

        target_compile_options(pico_openpgp PUBLIC
                -Wall
        )
        if(NOT MSVC)
                target_compile_options(pico_openpgp PUBLIC
                        -Werror
                )
        endif()

        if(ENABLE_EMULATION)
                if(NOT MSVC)
                        target_compile_options(pico_openpgp PUBLIC
                                -fdata-sections
                                -ffunction-sections
                        )
                endif()
                if(APPLE)
                        target_link_options(pico_openpgp PUBLIC
                                -Wl,-dead_strip
                        )
                elseif(MSVC)
                        target_compile_options(pico_openpgp PUBLIC
                                -WX
                        )

                        target_link_libraries(pico_openpgp PUBLIC wsock32 ws2_32 Bcrypt)
                else()
                        target_link_options(pico_openpgp PUBLIC
                                -Wl,--gc-sections
                        )
                endif(APPLE)
                target_link_libraries(pico_openpgp PRIVATE pthread m)
        else()
                pico_add_extra_outputs(${CMAKE_PROJECT_NAME})
        endif()
endif()