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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/>.
# SDL::SDL was defined on 3.20.
cmake_minimum_required(VERSION 3.20)
set(TOOLS_PREFIX ${CMAKE_BINARY_DIR}/tools)
include(ExternalProject)
ExternalProject_Add(tools
SOURCE_DIR ${CMAKE_SOURCE_DIR}/tools
BUILD_ALWAYS ON
CMAKE_ARGS
-D CMAKE_EXPORT_COMPILE_COMMANDS=ON
-D CMAKE_INSTALL_PREFIX=${TOOLS_PREFIX})
project(wnix C ASM)
option(WNIX_BUILD_PROGRAMS "Build userspace programs" ON)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
add_compile_options(-mno-gpopt -ffunction-sections -fdata-sections)
if(CMAKE_TOOLCHAIN_FILE MATCHES "ps1")
set(PS1_BUILD 1)
option(WNIX_VIRT_CD "Virtualise CD driver through SIO")
elseif(CMAKE_TOOLCHAIN_FILE MATCHES "win9x")
set(WIN9X_BUILD 1)
set(SDL1_2_BUILD 1)
set(exec_flags WIN32)
else()
set(HOST_BUILD 1)
set(SDL1_2_BUILD 1)
endif()
add_executable(${PROJECT_NAME} ${exec_flags} src/main.c)
if(SDL1_2_BUILD)
find_package(SDL 1.2 REQUIRED)
find_package(SDL_gfx 2.0 REQUIRED)
find_package(SDL_mixer 1.2 REQUIRED)
# FindSDL_mixer.cmake does not export any target, so do it here instead.
add_library(SDL::SDL_mixer STATIC IMPORTED)
set_property(TARGET SDL::SDL_mixer PROPERTY
IMPORTED_LOCATION ${SDL_MIXER_LIBRARIES})
target_include_directories(SDL::SDL_mixer INTERFACE ${SDL_MIXER_INCLUDE_DIRS})
target_link_libraries(SDL::SDL_mixer INTERFACE SDL::SDL)
endif()
if(NOT PS1_BUILD)
find_package(ENET 1.3 REQUIRED)
endif()
set(cdroot ${CMAKE_BINARY_DIR})
if(PS1_BUILD)
include(cmake/ps1.cmake)
elseif(WIN9X_BUILD)
include(cmake/win9x.cmake)
elseif(HOST_BUILD)
include(cmake/host.cmake)
endif()
add_subdirectory(res)
add_subdirectory(src)
if(WNIX_BUILD_PROGRAMS)
add_subdirectory(programs)
endif()
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