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# wnix, a Unix-like operating system for WebAssembly applications.
# Copyright (C) 2025  Xavier Del Campo Romero
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

set(programs
    initd
    yes
)

include(ExternalProject)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

foreach(p ${programs})
    set(cflags " \
        -g \
        "
    )

    set(ldflags " \
        -Wl,--allow-undefined-file=${CMAKE_CURRENT_LIST_DIR}/env/imports \
        -Wl,--threads=1 \
    ")

    ExternalProject_Add(${p}_project_wasi
        SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/${p}
        BUILD_ALWAYS ON
        CMAKE_ARGS
            -D CMAKE_C_FLAGS=${cflags}
            -D CMAKE_EXE_LINKER_FLAGS=${ldflags}
            -D CMAKE_BUILD_TYPE=Release
            -D CMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_LIST_DIR}/wasi-sdk-toolchain.cmake
            -D CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}
            -D CMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}
            -D WNIX_ENV=${CMAKE_CURRENT_LIST_DIR}/env
    )

    add_custom_target(${p}_project ALL
        ${TOOLS_PREFIX}/bin/nwc
            ${CMAKE_CURRENT_BINARY_DIR}/bin/${p} ${CMAKE_BINARY_DIR}/bin/${p}
        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
        BYPRODUCTS ${CMAKE_BINARY_DIR}/bin/${p}
    )

    add_dependencies(${p}_project ${p}_project_wasi tools)
endforeach()