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c1084bfaa3
ext-SDL/cmake/sdlchecks.cmake
Frank Praznik 974bbea20b x11: Add keymap support 
XkbKeycodeToKeySym is replaced with XkbLookupKeySym, which can take the modifier states. The associated cmake check has been renamed for consistency.

Only the XKB path is currently handled. The deprecated XKeycodeToKeysym path is TODO.
2024-06-23 15:40:55 -04:00

1243 lines
43 KiB
CMake
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macro(FindLibraryAndSONAME _LIB)
cmake_parse_arguments(_FLAS "" "" "LIBDIRS" ${ARGN})
string(TOUPPER ${_LIB} _UPPERLNAME)
string(REGEX REPLACE "\\-" "_" _LNAME "${_UPPERLNAME}")
find_library(${_LNAME}_LIB ${_LIB} PATHS ${_FLAS_LIBDIRS})
# FIXME: fail FindLibraryAndSONAME when library is not shared.
if(${_LNAME}_LIB MATCHES ".*\\${CMAKE_SHARED_LIBRARY_SUFFIX}.*" AND NOT ${_LNAME}_LIB MATCHES ".*\\${CMAKE_STATIC_LIBRARY_SUFFIX}.*")
set(${_LNAME}_SHARED TRUE)
else()
set(${_LNAME}_SHARED FALSE)
endif()
if(${_LNAME}_LIB)
# reduce the library name for shared linking
get_filename_component(_LIB_REALPATH ${${_LNAME}_LIB} REALPATH) # resolves symlinks
get_filename_component(_LIB_LIBDIR ${_LIB_REALPATH} DIRECTORY)
get_filename_component(_LIB_JUSTNAME ${_LIB_REALPATH} NAME)
if(APPLE)
string(REGEX REPLACE "(\\.[0-9]*)\\.[0-9\\.]*dylib$" "\\1.dylib" _LIB_REGEXD "${_LIB_JUSTNAME}")
else()
string(REGEX REPLACE "(\\.[0-9]*)\\.[0-9\\.]*$" "\\1" _LIB_REGEXD "${_LIB_JUSTNAME}")
endif()
if(NOT EXISTS "${_LIB_LIBDIR}/${_LIB_REGEXD}")
set(_LIB_REGEXD "${_LIB_JUSTNAME}")
endif()
set(${_LNAME}_LIBDIR "${_LIB_LIBDIR}")
message(STATUS "dynamic lib${_LIB} -> ${_LIB_REGEXD}")
set(${_LNAME}_LIB_SONAME ${_LIB_REGEXD})
endif()
message(DEBUG "DYNLIB OUTPUTVAR: ${_LIB} ... ${_LNAME}_LIB")
message(DEBUG "DYNLIB ORIGINAL LIB: ${_LIB} ... ${${_LNAME}_LIB}")
message(DEBUG "DYNLIB REALPATH LIB: ${_LIB} ... ${_LIB_REALPATH}")
message(DEBUG "DYNLIB JUSTNAME LIB: ${_LIB} ... ${_LIB_JUSTNAME}")
message(DEBUG "DYNLIB SONAME LIB: ${_LIB} ... ${_LIB_REGEXD}")
endmacro()
macro(CheckDLOPEN)
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBC)
if(NOT HAVE_DLOPEN_IN_LIBC)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBDL)
cmake_pop_check_state()
if(HAVE_DLOPEN_IN_LIBDL)
sdl_link_dependency(dl LIBS dl)
endif()
endif()
if(HAVE_DLOPEN_IN_LIBC OR HAVE_DLOPEN_IN_LIBDL)
set(HAVE_DLOPEN TRUE)
endif()
endmacro()
macro(CheckO_CLOEXEC)
check_c_source_compiles("
#include <fcntl.h>
int flag = O_CLOEXEC;
int main(int argc, char **argv) { return 0; }" HAVE_O_CLOEXEC)
endmacro()
# Requires:
# - n/a
macro(CheckOSS)
if(SDL_OSS)
check_c_source_compiles("
#include <sys/soundcard.h>
int main(int argc, char **argv) { int arg = SNDCTL_DSP_SETFRAGMENT; return 0; }" HAVE_OSS_SYS_SOUNDCARD_H)
if(HAVE_OSS_SYS_SOUNDCARD_H)
set(HAVE_OSS TRUE)
sdl_glob_sources(${SDL3_SOURCE_DIR}/src/audio/dsp/*.c)
set(SDL_AUDIO_DRIVER_OSS 1)
if(NETBSD)
sdl_link_dependency(oss LIBS ossaudio)
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_ALSA_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckALSA)
if(SDL_ALSA)
set(ALSA_PKG_CONFIG_SPEC "alsa")
find_package(ALSA MODULE)
if(ALSA_FOUND)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/alsa/*.c")
set(SDL_AUDIO_DRIVER_ALSA 1)
set(HAVE_ALSA TRUE)
set(HAVE_ALSA_SHARED FALSE)
if(SDL_ALSA_SHARED)
if(HAVE_SDL_LOADSO)
FindLibraryAndSONAME("asound")
if(ASOUND_LIB AND ASOUND_SHARED)
sdl_link_dependency(alsa INCLUDES $<TARGET_PROPERTY:ALSA::ALSA,INTERFACE_INCLUDE_DIRECTORIES>)
set(SDL_AUDIO_DRIVER_ALSA_DYNAMIC "\"${ASOUND_LIB_SONAME}\"")
set(HAVE_ALSA_SHARED TRUE)
else()
message(WARNING "Unable to find asound shared object")
endif()
else()
message(WARNING "You must have SDL_LoadObject() support for dynamic ALSA loading")
endif()
endif()
if(NOT HAVE_ALSA_SHARED)
#FIXME: remove this line and property generate sdl3.pc
list(APPEND SDL_PC_PRIVATE_REQUIRES alsa)
sdl_link_dependency(alsa LIBS ALSA::ALSA CMAKE_MODULE ALSA PKG_CONFIG_SPECS "${ALSA_PKG_CONFIG_SPEC}")
endif()
set(HAVE_SDL_AUDIO TRUE)
else()
message(WARNING "Unable to find the alsa development library")
endif()
else()
set(HAVE_ALSA FALSE)
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_PIPEWIRE_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckPipewire)
if(SDL_PIPEWIRE)
set(PipeWire_PKG_CONFIG_SPEC libpipewire-0.3>=0.3.44)
pkg_check_modules(PC_PIPEWIRE IMPORTED_TARGET ${PipeWire_PKG_CONFIG_SPEC})
if(PC_PIPEWIRE_FOUND)
set(HAVE_PIPEWIRE TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/pipewire/*.c")
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/camera/pipewire/*.c")
set(SDL_AUDIO_DRIVER_PIPEWIRE 1)
set(SDL_CAMERA_DRIVER_PIPEWIRE 1)
if(SDL_PIPEWIRE_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic PipeWire loading")
endif()
FindLibraryAndSONAME("pipewire-0.3" LIBDIRS ${PC_PIPEWIRE_LIBRARY_DIRS})
if(SDL_PIPEWIRE_SHARED AND PIPEWIRE_0.3_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_PIPEWIRE_DYNAMIC "\"${PIPEWIRE_0.3_LIB_SONAME}\"")
set(SDL_CAMERA_DRIVER_PIPEWIRE_DYNAMIC "\"${PIPEWIRE_0.3_LIB_SONAME}\"")
set(HAVE_PIPEWIRE_SHARED TRUE)
sdl_link_dependency(pipewire INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_PIPEWIRE,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(pipewire LIBS PkgConfig::PC_PIPEWIRE PKG_CONFIG_PREFIX PC_PIPEWIRE PKG_CONFIG_SPECS ${PipeWire_PKG_CONFIG_SPEC})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_PULSEAUDIO_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckPulseAudio)
if(SDL_PULSEAUDIO)
set(PulseAudio_PKG_CONFIG_SPEC "libpulse>=0.9.15")
pkg_check_modules(PC_PULSEAUDIO IMPORTED_TARGET ${PulseAudio_PKG_CONFIG_SPEC})
if(PC_PULSEAUDIO_FOUND)
set(HAVE_PULSEAUDIO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/pulseaudio/*.c")
set(SDL_AUDIO_DRIVER_PULSEAUDIO 1)
if(SDL_PULSEAUDIO_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic PulseAudio loading")
endif()
FindLibraryAndSONAME("pulse" LIBDIRS ${PC_PULSEAUDIO_LIBRARY_DIRS})
if(SDL_PULSEAUDIO_SHARED AND PULSE_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_LIB_SONAME}\"")
set(HAVE_PULSEAUDIO_SHARED TRUE)
sdl_link_dependency(pulseaudio INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_PULSEAUDIO,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(pulseaudio LIBS PkgConfig::PC_PULSEAUDIO PKG_CONFIG_PREFIX PC_PULSEAUDIO PKG_CONFIG_SPECS "${PulseAudio_PKG_CONFIG_SPEC}")
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_JACK_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckJACK)
if(SDL_JACK)
set(Jack_PKG_CONFIG_SPEC jack)
pkg_check_modules(PC_JACK IMPORTED_TARGET ${Jack_PKG_CONFIG_SPEC})
if(PC_JACK_FOUND)
set(HAVE_JACK TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/jack/*.c")
set(SDL_AUDIO_DRIVER_JACK 1)
if(SDL_JACK_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic JACK audio loading")
endif()
FindLibraryAndSONAME("jack" LIBDIRS ${PC_JACK_LIBRARY_DIRS})
if(SDL_JACK_SHARED AND JACK_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_JACK_DYNAMIC "\"${JACK_LIB_SONAME}\"")
set(HAVE_JACK_SHARED TRUE)
sdl_link_dependency(jack INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_JACK,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(jack LIBS PkgConfig::PC_JACK PKG_CONFIG_PREFIX PC_JACK PKG_CONFIG_SPECS ${Jack_PKG_CONFIG_SPEC})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_SNDIO_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckSNDIO)
if(SDL_SNDIO)
set(SndIO_PKG_CONFIG_SPEC sndio)
pkg_check_modules(PC_SNDIO IMPORTED_TARGET ${SndIO_PKG_CONFIG_SPEC})
if(PC_SNDIO_FOUND)
set(HAVE_SNDIO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/sndio/*.c")
set(SDL_AUDIO_DRIVER_SNDIO 1)
if(SDL_SNDIO_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic sndio loading")
endif()
FindLibraryAndSONAME("sndio" LIBDIRS ${PC_SNDIO_LIBRARY_DIRS})
if(SDL_SNDIO_SHARED AND SNDIO_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC "\"${SNDIO_LIB_SONAME}\"")
set(HAVE_SNDIO_SHARED TRUE)
sdl_include_directories(PRIVATE SYSTEM $<TARGET_PROPERTY:PkgConfig::PC_SNDIO,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(sndio LIBS PkgConfig::PC_SNDIO PKG_CONFIG_PREFIX PC_SNDIO PKG_CONFIG_SPECS ${SndIO_PKG_CONFIG_SPEC})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_X11_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckX11)
cmake_push_check_state()
if(SDL_X11)
set(X11_PKG_CONFIG_SPEC x11)
set(Xext_PKG_CONFIG_SPEC xext)
set(Xcursor_PKG_CONFIG_SPEC xcursor)
set(Xi_PKG_CONFIG_SPEC xi)
set(Xfixes_PKG_CONFIG_SPEC xfixes)
set(Xrandr_PKG_CONFIG_SPEC xrandr)
set(Xrender_PKG_CONFIG_SPEC xrender)
set(Xss_PKG_CONFIG_SPEC xscrnsaver)
find_package(X11)
foreach(_LIB X11 Xext Xcursor Xi Xfixes Xrandr Xrender Xss)
get_filename_component(_libdir "${X11_${_LIB}_LIB}" DIRECTORY)
FindLibraryAndSONAME("${_LIB}" LIBDIRS ${_libdir})
endforeach()
find_path(X11_INCLUDEDIR
NAMES X11/Xlib.h
PATHS
${X11_INCLUDE_DIR}
/usr/pkg/xorg/include
/usr/X11R6/include
/usr/X11R7/include
/usr/local/include/X11
/usr/include/X11
/usr/openwin/include
/usr/openwin/share/include
/opt/graphics/OpenGL/include
/opt/X11/include
)
if(X11_INCLUDEDIR)
sdl_include_directories(PRIVATE SYSTEM "${X11_INCLUDEDIR}")
list(APPEND CMAKE_REQUIRED_INCLUDES ${X11_INCLUDEDIR})
endif()
find_file(HAVE_XCURSOR_H NAMES "X11/Xcursor/Xcursor.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XINPUT2_H NAMES "X11/extensions/XInput2.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XRANDR_H NAMES "X11/extensions/Xrandr.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XFIXES_H_ NAMES "X11/extensions/Xfixes.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XRENDER_H NAMES "X11/extensions/Xrender.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XSS_H NAMES "X11/extensions/scrnsaver.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XSHAPE_H NAMES "X11/extensions/shape.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XDBE_H NAMES "X11/extensions/Xdbe.h" HINTS "${X11_INCLUDEDIR}")
find_file(HAVE_XEXT_H NAMES "X11/extensions/Xext.h" HINTS "${X11_INCLUDEDIR}")
if(X11_LIB)
if(NOT HAVE_XEXT_H)
message(FATAL_ERROR "Missing Xext.h, maybe you need to install the libxext-dev package?")
endif()
set(HAVE_X11 TRUE)
set(HAVE_SDL_VIDEO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/x11/*.c")
set(SDL_VIDEO_DRIVER_X11 1)
# Note: Disabled on Apple because the dynamic mode backend for X11 doesn't
# work properly on Apple during several issues like inconsistent paths
# among platforms. See #6778 (https://github.com/libsdl-org/SDL/issues/6778)
if(APPLE)
set(SDL_X11_SHARED OFF)
endif()
check_symbol_exists(shmat "sys/shm.h" HAVE_SHMAT_IN_LIBC)
if(NOT HAVE_SHMAT_IN_LIBC)
check_library_exists(ipc shmat "" HAVE_SHMAT_IN_LIBIPC)
if(HAVE_SHMAT_IN_LIBIPC)
sdl_link_dependency(x11_ipc LIBS ipc)
endif()
if(NOT HAVE_SHMAT_IN_LIBIPC)
sdl_compile_definitions(PRIVATE "NO_SHARED_MEMORY")
endif()
endif()
if(SDL_X11_SHARED)
if(NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic X11 loading")
set(HAVE_X11_SHARED FALSE)
else()
set(HAVE_X11_SHARED TRUE)
endif()
if(X11_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC "\"${X11_LIB_SONAME}\"")
else()
sdl_link_dependency(x11 LIBS X11::X11 CMAKE_MODULE X11 PKG_CONFIG_SPECS ${X11_PKG_CONFIG_SPEC})
endif()
endif()
if(XEXT_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "\"${XEXT_LIB_SONAME}\"")
else()
sdl_link_dependency(xext LIBS X11::Xext CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xext_PKG_CONFIG_SPEC})
endif()
endif()
else()
sdl_link_dependency(x11 LIBS X11::X11 CMAKE_MODULE X11 PKG_CONFIG_SPECS ${X11_PKG_CONFIG_SPEC})
sdl_link_dependency(xext LIBS X11::Xext CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xext_PKG_CONFIG_SPEC})
endif()
list(APPEND CMAKE_REQUIRED_LIBRARIES ${X11_LIB})
check_c_source_compiles("
#include <X11/Xlib.h>
int main(int argc, char **argv) {
Display *display;
XEvent event;
XGenericEventCookie *cookie = &event.xcookie;
XNextEvent(display, &event);
XGetEventData(display, cookie);
XFreeEventData(display, cookie);
return 0; }" HAVE_XGENERICEVENT)
if(HAVE_XGENERICEVENT)
set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1)
endif()
check_symbol_exists(XkbLookupKeySym "X11/Xlib.h;X11/XKBlib.h" SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM)
if(SDL_X11_XCURSOR AND HAVE_XCURSOR_H AND XCURSOR_LIB)
set(HAVE_X11_XCURSOR TRUE)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR "\"${XCURSOR_LIB_SONAME}\"")
else()
sdl_link_dependency(xcursor LIBS X11::Xcursor CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xcursor_PKG_CONFIG_SPEC})
endif()
set(SDL_VIDEO_DRIVER_X11_XCURSOR 1)
endif()
if(SDL_X11_XDBE AND HAVE_XDBE_H)
set(HAVE_X11_XDBE TRUE)
set(SDL_VIDEO_DRIVER_X11_XDBE 1)
endif()
if(SDL_X11_XINPUT AND HAVE_XINPUT2_H AND XI_LIB)
set(HAVE_X11_XINPUT TRUE)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "\"${XI_LIB_SONAME}\"")
else()
sdl_link_dependency(xi LIBS X11::Xi CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xi_PKG_CONFIG_SPEC})
endif()
set(SDL_VIDEO_DRIVER_X11_XINPUT2 1)
# Check for multitouch
check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/extensions/XInput2.h>
int event_type = XI_TouchBegin;
XITouchClassInfo *t;
Status XIAllowTouchEvents(Display *a,int b,unsigned int c,Window d,int f) {
return (Status)0;
}
int main(int argc, char **argv) { return 0; }" HAVE_XINPUT2_MULTITOUCH)
if(HAVE_XINPUT2_MULTITOUCH)
set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1)
endif()
endif()
# check along with XInput2.h because we use Xfixes with XIBarrierReleasePointer
if(SDL_X11_XFIXES AND HAVE_XFIXES_H_ AND HAVE_XINPUT2_H)
check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/Xfixes.h>
BarrierEventID b;
int main(int argc, char **argv) { return 0; }" HAVE_XFIXES_H)
endif()
if(SDL_X11_XFIXES AND HAVE_XFIXES_H AND HAVE_XINPUT2_H AND XFIXES_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES "\"${XFIXES_LIB_SONAME}\"")
else()
sdl_link_dependency(xfixes LIBS X11::Xfixes CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xfixes_PKG_CONFIG_SPEC})
endif()
set(SDL_VIDEO_DRIVER_X11_XFIXES 1)
set(HAVE_X11_XFIXES TRUE)
endif()
if(SDL_X11_XRANDR AND HAVE_XRANDR_H AND XRANDR_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "\"${XRANDR_LIB_SONAME}\"")
else()
sdl_link_dependency(xrandr LIBS X11::Xrandr CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xrandr_PKG_CONFIG_SPEC})
endif()
set(SDL_VIDEO_DRIVER_X11_XRANDR 1)
set(HAVE_X11_XRANDR TRUE)
endif()
if(SDL_X11_XSCRNSAVER AND HAVE_XSS_H AND XSS_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "\"${XSS_LIB_SONAME}\"")
else()
sdl_link_dependency(xss LIBS X11::Xss CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xss_PKG_CONFIG_SPEC})
endif()
set(SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1)
set(HAVE_X11_XSCRNSAVER TRUE)
endif()
if(SDL_X11_XSHAPE AND HAVE_XSHAPE_H)
set(SDL_VIDEO_DRIVER_X11_XSHAPE 1)
set(HAVE_X11_XSHAPE TRUE)
endif()
endif()
endif()
if(NOT HAVE_X11)
# Prevent Mesa from including X11 headers
sdl_compile_definitions(PRIVATE "MESA_EGL_NO_X11_HEADERS" "EGL_NO_X11")
endif()
cmake_pop_check_state()
endmacro()
macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL)
set(_WAYLAND_PROT_C_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-protocol.c")
set(_WAYLAND_PROT_H_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-client-protocol.h")
add_custom_command(
OUTPUT "${_WAYLAND_PROT_H_CODE}"
DEPENDS "${_XML}"
COMMAND "${_SCANNER}"
ARGS client-header "${_XML}" "${_WAYLAND_PROT_H_CODE}"
)
add_custom_command(
OUTPUT "${_WAYLAND_PROT_C_CODE}"
DEPENDS "${_WAYLAND_PROT_H_CODE}"
COMMAND "${_SCANNER}"
ARGS "${_CODE_MODE}" "${_XML}" "${_WAYLAND_PROT_C_CODE}"
)
sdl_sources("${_WAYLAND_PROT_C_CODE}")
endmacro()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - SDL_WAYLAND_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckWayland)
if(SDL_WAYLAND)
set(WAYLAND_PKG_CONFIG_SPEC "wayland-client>=1.18" wayland-egl wayland-cursor egl "xkbcommon>=0.5.0")
pkg_check_modules(PC_WAYLAND IMPORTED_TARGET ${WAYLAND_PKG_CONFIG_SPEC})
find_program(WAYLAND_SCANNER NAMES wayland-scanner)
set(WAYLAND_FOUND FALSE)
if(PC_WAYLAND_FOUND AND WAYLAND_SCANNER)
execute_process(
COMMAND ${WAYLAND_SCANNER} --version
RESULT_VARIABLE WAYLAND_SCANNER_VERSION_RC
ERROR_VARIABLE WAYLAND_SCANNER_VERSION_STDERR
ERROR_STRIP_TRAILING_WHITESPACE
)
if(NOT WAYLAND_SCANNER_VERSION_RC EQUAL 0)
message(WARNING "Failed to get wayland-scanner version")
else()
if(WAYLAND_SCANNER_VERSION_STDERR MATCHES [[([0-9.]+)$]])
set(WAYLAND_FOUND TRUE)
set(WAYLAND_SCANNER_VERSION ${CMAKE_MATCH_1})
if(WAYLAND_SCANNER_VERSION VERSION_LESS "1.15.0")
set(WAYLAND_SCANNER_CODE_MODE "code")
else()
set(WAYLAND_SCANNER_CODE_MODE "private-code")
endif()
endif()
endif()
endif()
if(WAYLAND_FOUND)
set(HAVE_WAYLAND TRUE)
set(HAVE_SDL_VIDEO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/wayland/*.c")
# We have to generate some protocol interface code for some unstable Wayland features.
file(MAKE_DIRECTORY "${SDL3_BINARY_DIR}/wayland-generated-protocols")
# Prepend to include path to make sure they override installed protocol headers
sdl_include_directories(PRIVATE SYSTEM BEFORE "${SDL3_BINARY_DIR}/wayland-generated-protocols")
file(GLOB WAYLAND_PROTOCOLS_XML RELATIVE "${SDL3_SOURCE_DIR}/wayland-protocols/" "${SDL3_SOURCE_DIR}/wayland-protocols/*.xml")
foreach(_XML IN LISTS WAYLAND_PROTOCOLS_XML)
string(REGEX REPLACE "\\.xml$" "" _PROTL "${_XML}")
WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_SCANNER_CODE_MODE}" "${SDL3_SOURCE_DIR}/wayland-protocols/${_XML}" "${_PROTL}")
endforeach()
if(SDL_WAYLAND_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic Wayland loading")
endif()
FindLibraryAndSONAME(wayland-client LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(wayland-egl LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(wayland-cursor LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(xkbcommon LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS})
if(SDL_WAYLAND_SHARED AND WAYLAND_CLIENT_LIB AND WAYLAND_EGL_LIB AND WAYLAND_CURSOR_LIB AND XKBCOMMON_LIB AND HAVE_SDL_LOADSO)
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC "\"${WAYLAND_CLIENT_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL "\"${WAYLAND_EGL_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR "\"${WAYLAND_CURSOR_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON "\"${XKBCOMMON_LIB_SONAME}\"")
set(HAVE_WAYLAND_SHARED TRUE)
sdl_link_dependency(wayland INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_WAYLAND,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(wayland LIBS PkgConfig::PC_WAYLAND PKG_CONFIG_PREFIX PC_WAYLAND PKG_CONFIG_SPECS ${WAYLAND_PKG_CONFIG_SPEC})
endif()
if(SDL_WAYLAND_LIBDECOR)
set(LibDecor_PKG_CONFIG_SPEC libdecor-0)
pkg_check_modules(PC_LIBDECOR IMPORTED_TARGET ${LibDecor_PKG_CONFIG_SPEC})
if(PC_LIBDECOR_FOUND)
# Libdecor doesn't provide internal version defines, so generate them here.
if (PC_LIBDECOR_VERSION MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)")
set(SDL_LIBDECOR_VERSION_MAJOR ${CMAKE_MATCH_1})
set(SDL_LIBDECOR_VERSION_MINOR ${CMAKE_MATCH_2})
set(SDL_LIBDECOR_VERSION_PATCH ${CMAKE_MATCH_3})
else()
message(WARNING "Failed to parse libdecor version; defaulting to lowest supported (0.1.0)")
set(SDL_LIBDECOR_VERSION_MAJOR 0)
set(SDL_LIBDECOR_VERSION_MINOR 1)
set(SDL_LIBDECOR_VERSION_PATCH 0)
endif()
if(PC_LIBDECOR_VERSION VERSION_GREATER_EQUAL "0.2.0")
set(LibDecor_PKG_CONFIG_SPEC "libdecor-0>=0.2.0")
endif()
set(HAVE_WAYLAND_LIBDECOR TRUE)
set(HAVE_LIBDECOR_H 1)
if(SDL_WAYLAND_LIBDECOR_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic libdecor loading")
endif()
FindLibraryAndSONAME(decor-0 LIBDIRS ${PC_LIBDECOR_LIBRARY_DIRS})
if(SDL_WAYLAND_LIBDECOR_SHARED AND DECOR_0_LIB AND HAVE_SDL_LOADSO)
set(HAVE_WAYLAND_LIBDECOR_SHARED TRUE)
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_LIBDECOR "\"${DECOR_0_LIB_SONAME}\"")
sdl_link_dependency(libdecor INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_LIBDECOR,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(libdecor LIBS PkgConfig::PC_LIBDECOR PKG_CONFIG_PREFIX PC_LIBDECOR PKG_CONFIG_SPECS ${LibDecor_PKG_CONFIG_SPEC})
endif()
endif()
endif()
set(SDL_VIDEO_DRIVER_WAYLAND 1)
endif()
endif()
endmacro()
# Requires:
# - n/a
#
macro(CheckCOCOA)
if(SDL_COCOA)
if(APPLE) # Apple always has Cocoa.
set(HAVE_COCOA TRUE)
endif()
if(HAVE_COCOA)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/cocoa/*.m")
set(SDL_VIDEO_DRIVER_COCOA 1)
set(HAVE_SDL_VIDEO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
macro(CheckVivante)
if(SDL_VIVANTE)
check_c_source_compiles("
#include <gc_vdk.h>
int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_VDK)
check_c_source_compiles("
#define LINUX
#define EGL_API_FB
#include <EGL/eglvivante.h>
int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_EGL_FB)
if(HAVE_VIVANTE_VDK OR HAVE_VIVANTE_EGL_FB)
set(HAVE_VIVANTE TRUE)
set(HAVE_SDL_VIDEO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/vivante/*.c")
set(SDL_VIDEO_DRIVER_VIVANTE 1)
# FIXME: Use Find module
if(HAVE_VIVANTE_VDK)
set(SDL_VIDEO_DRIVER_VIVANTE_VDK 1)
find_library(VIVANTE_LIBRARY REQUIRED NAMES VIVANTE vivante drm_vivante)
find_library(VIVANTE_VDK_LIBRARY VDK REQUIRED)
sdl_link_dependency(vivante LIBS ${VIVANTE_LIBRARY} ${VIVANTE_VDK_LIBRARY})
else()
# these defines are needed when including the system EGL headers, which SDL does
sdl_compile_definitions(PUBLIC "LINUX" "EGL_API_FB")
sdl_link_dependency(vivante LIBS EGL)
endif(HAVE_VIVANTE_VDK)
endif()
endif()
endmacro()
# Requires:
# - nada
macro(CheckGLX)
if(SDL_OPENGL)
check_c_source_compiles("
#include <GL/glx.h>
int main(int argc, char** argv) { return 0; }" HAVE_OPENGL_GLX)
if(HAVE_OPENGL_GLX AND NOT HAVE_ROCKCHIP)
set(SDL_VIDEO_OPENGL_GLX 1)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
macro(CheckEGL)
if(SDL_OPENGL OR SDL_OPENGLES)
cmake_push_check_state()
find_package(OpenGL MODULE)
list(APPEND CMAKE_REQUIRED_INCLUDES ${OPENGL_EGL_INCLUDE_DIRS})
list(APPEND CMAKE_REQUIRED_INCLUDES "${SDL3_SOURCE_DIR}/src/video/khronos")
check_c_source_compiles("
#define EGL_API_FB
#define MESA_EGL_NO_X11_HEADERS
#define EGL_NO_X11
#include <EGL/egl.h>
#include <EGL/eglext.h>
int main (int argc, char** argv) { return 0; }" HAVE_OPENGL_EGL)
cmake_pop_check_state()
if(HAVE_OPENGL_EGL)
set(SDL_VIDEO_OPENGL_EGL 1)
sdl_link_dependency(egl INCLUDES ${OPENGL_EGL_INCLUDE_DIRS})
endif()
endif()
endmacro()
# Requires:
# - nada
macro(CheckOpenGL)
if(SDL_OPENGL)
check_c_source_compiles("
#include <GL/gl.h>
#include <GL/glext.h>
int main(int argc, char** argv) { return 0; }" HAVE_OPENGL)
if(HAVE_OPENGL)
set(SDL_VIDEO_OPENGL 1)
set(SDL_VIDEO_RENDER_OGL 1)
endif()
endif()
endmacro()
# Requires:
# - nada
macro(CheckOpenGLES)
if(SDL_OPENGLES)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_INCLUDES "${SDL3_SOURCE_DIR}/src/video/khronos")
check_c_source_compiles("
#include <GLES/gl.h>
#include <GLES/glext.h>
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V1)
check_c_source_compiles("
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V2)
cmake_pop_check_state()
if(HAVE_OPENGLES_V1)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES 1)
endif()
if(HAVE_OPENGLES_V2)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
endif()
endif()
endmacro()
macro(CheckVulkan)
if(SDL_VULKAN)
set(SDL_VIDEO_VULKAN 1)
set(HAVE_VULKAN TRUE)
if(SDL_RENDER_VULKAN)
set(SDL_VIDEO_RENDER_VULKAN 1)
set(HAVE_RENDER_VULKAN TRUE)
endif()
endif()
endmacro()
# Requires:
# - EGL
macro(CheckQNXScreen)
if(QNX AND HAVE_OPENGL_EGL)
check_c_source_compiles("
#include <screen/screen.h>
int main (int argc, char** argv) { return 0; }" HAVE_QNX_SCREEN)
if(HAVE_QNX_SCREEN)
set(SDL_VIDEO_DRIVER_QNX 1)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/qnx/*.c")
sdl_link_dependency(qnxscreen LIBS screen EGL)
endif()
endif()
endmacro()
# Requires:
# - nada
# Optional:
# - THREADS opt
# Sets:
# PTHREAD_CFLAGS
# PTHREAD_LIBS
macro(CheckPTHREAD)
cmake_push_check_state()
if(SDL_PTHREADS)
if(ANDROID)
# the android libc provides built-in support for pthreads, so no
# additional linking or compile flags are necessary
elseif(LINUX)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-pthread")
elseif(BSDI)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "")
elseif(DARWIN)
set(PTHREAD_CFLAGS "-D_THREAD_SAFE")
# causes Carbon.p complaints?
# set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "")
elseif(FREEBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "-pthread")
elseif(NETBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "-lpthread")
elseif(OPENBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-lpthread")
elseif(SOLARIS)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-pthread -lposix4")
elseif(SYSV5)
set(PTHREAD_CFLAGS "-D_REENTRANT -Kthread")
set(PTHREAD_LDFLAGS "")
elseif(AIX)
set(PTHREAD_CFLAGS "-D_REENTRANT -mthreads")
set(PTHREAD_LDFLAGS "-pthread")
elseif(HPUX)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-L/usr/lib -pthread")
elseif(HAIKU)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "")
elseif(EMSCRIPTEN)
set(PTHREAD_CFLAGS "-D_REENTRANT -pthread")
set(PTHREAD_LDFLAGS "-pthread")
elseif(QNX)
# pthread support is baked in
else()
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-lpthread")
endif()
# Run some tests
string(APPEND CMAKE_REQUIRED_FLAGS " ${PTHREAD_CFLAGS} ${PTHREAD_LDFLAGS}")
check_c_source_compiles("
#include <pthread.h>
int main(int argc, char** argv) {
pthread_attr_t type;
pthread_attr_init(&type);
return 0;
}" HAVE_PTHREADS)
if(HAVE_PTHREADS)
set(SDL_THREAD_PTHREAD 1)
separate_arguments(PTHREAD_CFLAGS)
sdl_compile_options(PRIVATE ${PTHREAD_CFLAGS})
sdl_link_dependency(pthread LINK_OPTIONS ${PTHREAD_LDFLAGS})
check_c_source_compiles("
#include <pthread.h>
int main(int argc, char **argv) {
pthread_mutexattr_t attr;
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
return 0;
}" HAVE_RECURSIVE_MUTEXES)
if(HAVE_RECURSIVE_MUTEXES)
set(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1)
else()
check_c_source_compiles("
#include <pthread.h>
int main(int argc, char **argv) {
pthread_mutexattr_t attr;
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
return 0;
}" HAVE_RECURSIVE_MUTEXES_NP)
if(HAVE_RECURSIVE_MUTEXES_NP)
set(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP 1)
endif()
endif()
if(SDL_PTHREADS_SEM)
check_c_source_compiles("#include <pthread.h>
#include <semaphore.h>
int main(int argc, char **argv) { return 0; }" HAVE_PTHREADS_SEM)
if(HAVE_PTHREADS_SEM)
check_c_source_compiles("
#include <pthread.h>
#include <semaphore.h>
int main(int argc, char **argv) {
sem_timedwait(NULL, NULL);
return 0;
}" COMPILER_HAS_SEM_TIMEDWAIT)
set(HAVE_SEM_TIMEDWAIT ${COMPILER_HAS_SEM_TIMEDWAIT})
endif()
endif()
check_include_file(pthread.h HAVE_PTHREAD_H)
check_include_file(pthread_np.h HAVE_PTHREAD_NP_H)
if (HAVE_PTHREAD_H)
check_c_source_compiles("
#include <pthread.h>
int main(int argc, char **argv) {
#ifdef __APPLE__
pthread_setname_np(\"\");
#else
pthread_setname_np(pthread_self(),\"\");
#endif
return 0;
}" HAVE_PTHREAD_SETNAME_NP)
if (HAVE_PTHREAD_NP_H)
check_symbol_exists(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
endif()
endif()
sdl_sources(
"${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_systhread.c"
"${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_sysmutex.c" # Can be faked, if necessary
"${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_syscond.c" # Can be faked, if necessary
"${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_sysrwlock.c" # Can be faked, if necessary
"${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_systls.c"
)
if(HAVE_PTHREADS_SEM)
sdl_sources("${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_syssem.c")
else()
sdl_sources("${SDL3_SOURCE_DIR}/src/thread/generic/SDL_syssem.c")
endif()
set(HAVE_SDL_THREADS TRUE)
endif()
endif()
cmake_pop_check_state()
endmacro()
# Requires
# - nada
# Optional:
# Sets:
# USB_LIBS
# USB_CFLAGS
macro(CheckUSBHID)
cmake_push_check_state()
check_library_exists(usbhid hid_init "" LIBUSBHID)
if(LIBUSBHID)
check_include_file(usbhid.h HAVE_USBHID_H)
if(HAVE_USBHID_H)
set(USB_CFLAGS "-DHAVE_USBHID_H")
endif()
check_include_file(libusbhid.h HAVE_LIBUSBHID_H)
if(HAVE_LIBUSBHID_H)
string(APPEND USB_CFLAGS " -DHAVE_LIBUSBHID_H")
endif()
set(USB_LIBS ${USB_LIBS} usbhid)
else()
check_include_file(usb.h HAVE_USB_H)
if(HAVE_USB_H)
set(USB_CFLAGS "-DHAVE_USB_H")
endif()
check_include_file(libusb.h HAVE_LIBUSB_H)
if(HAVE_LIBUSB_H)
string(APPEND USB_CFLAGS " -DHAVE_LIBUSB_H")
endif()
check_library_exists(usb hid_init "" LIBUSB)
if(LIBUSB)
list(APPEND USB_LIBS usb)
endif()
endif()
string(APPEND CMAKE_REQUIRED_FLAGS " ${USB_CFLAGS}")
list(APPEND CMAKE_REQUIRED_LIBRARIES ${USB_LIBS})
check_c_source_compiles("
#include <sys/types.h>
#if defined(HAVE_USB_H)
#include <usb.h>
#endif
#ifdef __DragonFly__
# include <bus/u4b/usb.h>
# include <bus/u4b/usbhid.h>
#else
# include <dev/usb/usb.h>
# include <dev/usb/usbhid.h>
#endif
#if defined(HAVE_USBHID_H)
#include <usbhid.h>
#elif defined(HAVE_LIBUSB_H)
#include <libusb.h>
#elif defined(HAVE_LIBUSBHID_H)
#include <libusbhid.h>
#endif
int main(int argc, char **argv) {
struct report_desc *repdesc;
struct usb_ctl_report *repbuf;
hid_kind_t hidkind;
return 0;
}" HAVE_USBHID)
if(HAVE_USBHID)
check_c_source_compiles("
#include <sys/types.h>
#if defined(HAVE_USB_H)
#include <usb.h>
#endif
#ifdef __DragonFly__
# include <bus/u4b/usb.h>
# include <bus/u4b/usbhid.h>
#else
# include <dev/usb/usb.h>
# include <dev/usb/usbhid.h>
#endif
#if defined(HAVE_USBHID_H)
#include <usbhid.h>
#elif defined(HAVE_LIBUSB_H)
#include <libusb.h>
#elif defined(HAVE_LIBUSBHID_H)
#include <libusbhid.h>
#endif
int main(int argc, char** argv) {
struct usb_ctl_report buf;
if (buf.ucr_data) { }
return 0;
}" HAVE_USBHID_UCR_DATA)
if(HAVE_USBHID_UCR_DATA)
string(APPEND USB_CFLAGS " -DUSBHID_UCR_DATA")
endif()
check_c_source_compiles("
#include <sys/types.h>
#if defined(HAVE_USB_H)
#include <usb.h>
#endif
#ifdef __DragonFly__
#include <bus/u4b/usb.h>
#include <bus/u4b/usbhid.h>
#else
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#endif
#if defined(HAVE_USBHID_H)
#include <usbhid.h>
#elif defined(HAVE_LIBUSB_H)
#include <libusb.h>
#elif defined(HAVE_LIBUSBHID_H)
#include <libusbhid.h>
#endif
int main(int argc, char **argv) {
report_desc_t d;
hid_start_parse(d, 1, 1);
return 0;
}" HAVE_USBHID_NEW)
if(HAVE_USBHID_NEW)
string(APPEND USB_CFLAGS " -DUSBHID_NEW")
endif()
check_c_source_compiles("
#include <machine/joystick.h>
int main(int argc, char** argv) {
struct joystick t;
return 0;
}" HAVE_MACHINE_JOYSTICK)
if(HAVE_MACHINE_JOYSTICK)
set(SDL_HAVE_MACHINE_JOYSTICK_H 1)
endif()
set(SDL_JOYSTICK_USBHID 1)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/joystick/bsd/*.c")
separate_arguments(USB_CFLAGS)
sdl_compile_options(PRIVATE ${USB_CFLAGS})
#FIXME: properly add usb libs with pkg-config or whatever
sdl_link_dependency(usbhid LIBS ${USB_LIBS})
set(HAVE_SDL_JOYSTICK TRUE)
endif()
cmake_pop_check_state()
endmacro()
# Check for HIDAPI support
macro(CheckHIDAPI)
if(SDL_HIDAPI)
set(HAVE_HIDAPI ON)
if(SDL_HIDAPI_LIBUSB)
set(HAVE_LIBUSB FALSE)
find_package(LibUSB)
if(LibUSB_FOUND)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES LibUSB::LibUSB)
check_c_source_compiles("
#include <stddef.h>
#include <libusb.h>
int main(int argc, char **argv) {
libusb_close(NULL);
return 0;
}" HAVE_LIBUSB_H)
cmake_pop_check_state()
if(HAVE_LIBUSB_H)
set(HAVE_LIBUSB TRUE)
target_get_dynamic_library(dynamic_libusb LibUSB::LibUSB)
if(SDL_HIDAPI_LIBUSB_SHARED AND dynamic_libusb)
set(HAVE_HIDAPI_LIBUSB_SHARED ON)
set(SDL_LIBUSB_DYNAMIC "\"${dynamic_libusb}\"")
sdl_link_dependency(hidapi INCLUDES $<TARGET_PROPERTY:LibUSB::LibUSB,INTERFACE_INCLUDE_DIRECTORIES>)
else()
sdl_link_dependency(hidapi LIBS LibUSB::LibUSB PKG_CONFIG_SPECS "${LibUSB_PKG_CONFIG_SPEC}" CMAKE_MODULE LibUSB)
endif()
endif()
endif()
set(HAVE_HIDAPI_LIBUSB ${HAVE_LIBUSB})
endif()
if(HAVE_HIDAPI)
if(ANDROID)
enable_language(CXX)
sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/android/hid.cpp")
endif()
if(IOS OR TVOS)
sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/ios/hid.m")
set(SDL_FRAMEWORK_COREBLUETOOTH 1)
endif()
set(HAVE_SDL_HIDAPI TRUE)
if(SDL_JOYSTICK AND SDL_HIDAPI_JOYSTICK)
set(SDL_JOYSTICK_HIDAPI 1)
set(HAVE_SDL_JOYSTICK TRUE)
set(HAVE_HIDAPI_JOYSTICK TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/joystick/hidapi/*.c")
endif()
else()
set(SDL_HIDAPI_DISABLED 1)
endif()
else()
set(SDL_HIDAPI_DISABLED 1)
endif()
endmacro()
# Requires:
# - n/a
macro(CheckRPI)
if(SDL_RPI)
set(BCM_HOST_PKG_CONFIG_SPEC bcm_host)
set(BRCMEGL_PKG_CONFIG_SPEC brcmegl)
set(original_PKG_CONFIG_PATH $ENV{PKG_CONFIG_PATH})
set(ENV{PKG_CONFIG_PATH} "${original_PKG_CONFIG_PATH}:/opt/vc/lib/pkgconfig")
pkg_check_modules(PC_BCM_HOST IMPORTED_TARGET QUIET ${BCM_HOST_PKG_CONFIG_SPEC})
pkg_check_modules(PC_BRCMEGL IMPORTED_TARGET QUIET ${BRCMEGL_PKG_CONFIG_SPEC})
set(ENV{PKG_CONFIG_PATH} "${original_PKG_CONFIG_PATH}")
if(TARGET PkgConfig::PC_BCM_HOST AND TARGET PkgConfig::PC_BRCMEGL)
set(HAVE_RPI TRUE)
if(SDL_VIDEO)
set(HAVE_SDL_VIDEO TRUE)
set(SDL_VIDEO_DRIVER_RPI 1)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/raspberry/*.c")
sdl_link_dependency(rpi-video LIBS PkgConfig::PC_BCM_HOST PKG_CONFIG_PREFIX PC_BCM_HOST PKG_CONFIG_SPECS ${BCM_HOST_PKG_CONFIG_SPEC})
endif()
endif()
endif()
endmacro()
# Requires:
# - n/a
macro(CheckROCKCHIP)
if(SDL_ROCKCHIP)
set(MALI_PKG_CONFIG_SPEC mali)
pkg_check_modules(PC_MALI QUIET ${MALI_PKG_CONFIG_SPEC})
if(PC_MALI_FOUND)
set(HAVE_ROCKCHIP TRUE)
endif()
if(SDL_VIDEO AND HAVE_ROCKCHIP)
set(HAVE_SDL_VIDEO TRUE)
set(SDL_VIDEO_DRIVER_ROCKCHIP 1)
endif()
endif()
endmacro()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - SDL_KMSDRM_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckKMSDRM)
if(SDL_KMSDRM)
set(PKG_CONFIG_LIBDRM_SPEC libdrm)
set(PKG_CONFIG_GBM_SPEC gbm)
pkg_check_modules(PC_LIBDRM IMPORTED_TARGET ${PKG_CONFIG_LIBDRM_SPEC})
pkg_check_modules(PC_GBM IMPORTED_TARGET ${PKG_CONFIG_GBM_SPEC})
if(PC_LIBDRM_FOUND AND PC_GBM_FOUND AND HAVE_OPENGL_EGL)
set(HAVE_KMSDRM TRUE)
set(HAVE_SDL_VIDEO TRUE)
sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/kmsdrm/*.c")
set(SDL_VIDEO_DRIVER_KMSDRM 1)
if(SDL_KMSDRM_SHARED AND NOT HAVE_SDL_LOADSO)
message(WARNING "You must have SDL_LoadObject() support for dynamic KMS/DRM loading")
endif()
set(HAVE_KMSDRM_SHARED FALSE)
if(SDL_KMSDRM_SHARED AND HAVE_SDL_LOADSO)
FindLibraryAndSONAME(drm LIBDIRS ${PC_LIBDRM_LIBRARY_DIRS})
FindLibraryAndSONAME(gbm LIBDIRS ${PC_GBM_LIBRARY_DIRS})
if(DRM_LIB AND DRM_SHARED AND GBM_LIB AND GBM_SHARED)
set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC "\"${DRM_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM "\"${GBM_LIB_SONAME}\"")
set(HAVE_KMSDRM_SHARED TRUE)
sdl_link_dependency(kmsdrm-drm INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_LIBDRM,INTERFACE_INCLUDE_DIRECTORIES>)
sdl_link_dependency(kmsdrm-gbm INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_GBM,INTERFACE_INCLUDE_DIRECTORIES>)
endif()
endif()
if(NOT HAVE_KMSDRM_SHARED)
sdl_link_dependency(kmsdrm-libdrm LIBS PkgConfig::PC_LIBDRM PKG_CONFIG_PREFIX PC_LIBDRM PKG_CONFIG_SPECS ${PKG_CONFIG_LIBDRM_SPEC})
sdl_link_dependency(kmsdrm-gbm LIBS PkgConfig::PC_GBM PKG_CONFIG_PREFIX PC_GBM PKG_CONFIG_SPECS ${PKG_CONFIG_GBM_SPEC})
endif()
endif()
endif()
endmacro()
macro(CheckLibUDev)
if(SDL_LIBUDEV)
check_include_file("libudev.h" HAVE_LIBUDEV_HEADER)
if(HAVE_LIBUDEV_HEADER)
set(HAVE_LIBUDEV_H TRUE)
FindLibraryAndSONAME(udev)
if(UDEV_LIB_SONAME)
set(SDL_UDEV_DYNAMIC "\"${UDEV_LIB_SONAME}\"")
set(HAVE_LIBUDEV TRUE)
endif()
endif()
endif()
endmacro()
macro(CheckLibUnwind)
if(TARGET SDL3_test)
set(found_libunwind FALSE)
set(_libunwind_src "#include <libunwind.h>\nint main() {unw_context_t context; unw_getcontext(&context); return 0;}")
if(NOT found_libunwind)
cmake_push_check_state()
check_c_source_compiles("${_libunwind_src}" LIBC_HAS_WORKING_LIBUNWIND)
cmake_pop_check_state()
if(LIBC_HAS_WORKING_LIBUNWIND)
set(found_libunwind TRUE)
target_compile_definitions(SDL3_test PRIVATE HAVE_LIBUNWIND_H)
endif()
endif()
if(NOT found_libunwind)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES "unwind")
check_c_source_compiles("${_libunwind_src}" LIBUNWIND_HAS_WORKINGLIBUNWIND)
cmake_pop_check_state()
if(LIBUNWIND_HAS_WORKINGLIBUNWIND)
set(found_libunwind TRUE)
sdl_test_link_dependency(UNWIND LIBS unwind)
endif()
endif()
if(NOT found_libunwind)
set(LibUnwind_PKG_CONFIG_SPEC libunwind libunwind-generic)
pkg_check_modules(PC_LIBUNWIND IMPORTED_TARGET ${LibUnwind_PKG_CONFIG_SPEC})
if(PC_LIBUNWIND_FOUND)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES ${PC_LIBUNWIND_LIBRARIES})
list(APPEND CMAKE_REQUIRED_INCLUDES ${PC_LIBUNWIND_INCLUDE_DIRS})
check_c_source_compiles("${_libunwind_src}" PC_LIBUNWIND_HAS_WORKING_LIBUNWIND)
cmake_pop_check_state()
if(PC_LIBUNWIND_HAS_WORKING_LIBUNWIND)
set(found_libunwind TRUE)
sdl_test_link_dependency(UNWIND LIBS PkgConfig::PC_LIBUNWIND PKG_CONFIG_PREFIX PC_LIBUNWIND PKG_CONFIG_SPECS ${LibUnwind_PKG_CONFIG_SPEC})
endif()
endif()
endif()
if(found_libunwind)
target_compile_definitions(SDL3_test PRIVATE HAVE_LIBUNWIND_H)
endif()
endif()
endmacro()
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