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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
project(minimal_window)
set(FORCE_X11_ON_LINUX NO CACHE BOOL "Use X11 instead of Wayland on Linux")
add_library(minimal_window)
target_compile_features(minimal_window PRIVATE c_std_99)
set_target_properties(minimal_window PROPERTIES C_EXTENSIONS OFF)
target_include_directories(minimal_window PUBLIC include)
function(setup_x11)
target_sources(minimal_window PRIVATE x11.c)
find_package(X11 REQUIRED)
target_link_libraries(minimal_window PRIVATE ${X11_LIBRARIES})
target_include_directories(minimal_window PRIVATE ${X11_INCLUDE_DIR})
endfunction()
if(WIN32)
target_sources(minimal_window PRIVATE win32.c)
elseif(UNIX AND NOT APPLE)
if(FORCE_X11_ON_LINUX)
setup_x11()
else()
target_sources(minimal_window PRIVATE wayland.c)
# Needed for shm_open/close
target_link_libraries(minimal_window PRIVATE librt.so)
# Finding Wayland based on https://github.com/emersion/hello-wayland/blob/f6a8203309977af03cda94765dd61367c189bea6/Makefile
find_package(PkgConfig REQUIRED)
pkg_search_module(WaylandClient REQUIRED wayland-client)
target_compile_options(minimal_window PRIVATE ${WaylandClient_CFLAGS})
target_link_libraries(minimal_window PRIVATE ${WaylandClient_LIBRARIES})
pkg_get_variable(WAYLAND_PROTOCOLS_DIR wayland-protocols pkgdatadir)
pkg_get_variable(WAYLAND_SCANNER wayland-scanner wayland_scanner)
set(XDG_SHELL_PROTOCOL ${WAYLAND_PROTOCOLS_DIR}/stable/xdg-shell/xdg-shell.xml)
set(GENERATED_HEADERS_DIR ${CMAKE_CURRENT_BINARY_DIR}/generated_headers)
add_custom_command(
OUTPUT ${GENERATED_HEADERS_DIR}/xdg-shell-client-protocol.h
COMMAND ${CMAKE_COMMAND} -E make_directory ${GENERATED_HEADERS_DIR}
COMMAND ${WAYLAND_SCANNER} client-header ${XDG_SHELL_PROTOCOL} ${GENERATED_HEADERS_DIR}/xdg-shell-client-protocol.h
)
add_custom_command(
OUTPUT xdg-shell-protocol.c
COMMAND ${WAYLAND_SCANNER} private-code ${XDG_SHELL_PROTOCOL} xdg-shell-protocol.c
)
target_sources(minimal_window PRIVATE xdg-shell-protocol.c ${GENERATED_HEADERS_DIR}/xdg-shell-client-protocol.h)
target_include_directories(minimal_window PRIVATE ${GENERATED_HEADERS_DIR})
endif()
elseif(UNIX AND APPLE)
setup_x11()
else()
message(FATAL_ERROR "Unsupported platform")
endif()