crocparty/vendored/sdl/cmake/sdlchecks.cmake

1412 lines
48 KiB
CMake

include(CMakeParseArguments)
include(${SDL2_SOURCE_DIR}/cmake/sdlfind.cmake)
macro(FindLibraryAndSONAME _LIB)
cmake_parse_arguments(FLAS "" "" "LIBDIRS" ${ARGN})
string(TOUPPER ${_LIB} _UPPERLNAME)
string(REGEX REPLACE "\\-" "_" _LNAME "${_UPPERLNAME}")
find_library(${_LNAME}_LIB ${_LIB} PATHS ${FLAS_LIBDIRS})
if(${_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_DIRECTORY ${_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_DIRECTORY}/${_LIB_REGEXD}")
set(_LIB_REGEXD "${_LIB_JUSTNAME}")
endif()
set(${_LNAME}_LIBDIR "${_LIB_LIBDIR}")
SET(_DEBUG_FindSONAME FALSE)
if(_DEBUG_FindSONAME)
message_warn("DYNLIB OUTPUTVAR: ${_LIB} ... ${_LNAME}_LIB")
message_warn("DYNLIB ORIGINAL LIB: ${_LIB} ... ${${_LNAME}_LIB}")
message_warn("DYNLIB REALPATH LIB: ${_LIB} ... ${_LIB_REALPATH}")
message_warn("DYNLIB JUSTNAME LIB: ${_LIB} ... ${_LIB_JUSTNAME}")
message_warn("DYNLIB REGEX'd LIB: ${_LIB} ... ${_LIB_REGEXD}")
endif()
message(STATUS "dynamic lib${_LIB} -> ${_LIB_REGEXD}")
set(${_LNAME}_LIB_SONAME ${_LIB_REGEXD})
endif()
endmacro()
macro(CheckDLOPEN)
cmake_push_check_state(RESET)
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBC)
if(NOT HAVE_DLOPEN_IN_LIBC)
set(CMAKE_REQUIRED_LIBRARIES dl)
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBDL)
if(HAVE_DLOPEN_IN_LIBDL)
list(APPEND EXTRA_LIBS dl)
endif()
endif()
if(HAVE_DLOPEN_IN_LIBC OR HAVE_DLOPEN_IN_LIBDL)
set(HAVE_DLOPEN TRUE)
endif()
cmake_pop_check_state()
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)
file(GLOB OSS_SOURCES ${SDL2_SOURCE_DIR}/src/audio/dsp/*.c)
set(SDL_AUDIO_DRIVER_OSS 1)
list(APPEND SOURCE_FILES ${OSS_SOURCES})
if(NETBSD)
list(APPEND EXTRA_LIBS ossaudio)
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_ALSA_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckALSA)
if(SDL_ALSA)
sdlFindALSA()
if(ALSA_FOUND)
file(GLOB ALSA_SOURCES "${SDL2_SOURCE_DIR}/src/audio/alsa/*.c")
list(APPEND SOURCE_FILES ${ALSA_SOURCES})
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)
target_include_directories(sdl-build-options SYSTEM INTERFACE $<TARGET_PROPERTY:ALSA::ALSA,INTERFACE_INCLUDE_DIRECTORIES>)
set(SDL_AUDIO_DRIVER_ALSA_DYNAMIC "\"${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)
list(APPEND CMAKE_DEPENDS ALSA::ALSA)
list(APPEND PKGCONFIG_DEPENDS alsa)
endif()
set(HAVE_SDL_AUDIO TRUE)
else()
set(HAVE_ALSA FALSE)
message(WARNING "Unable to found the alsa development library")
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_PIPEWIRE_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckPipewire)
if(SDL_PIPEWIRE)
pkg_check_modules(PKG_PIPEWIRE libpipewire-0.3>=0.3.20)
if(PKG_PIPEWIRE_FOUND)
set(HAVE_PIPEWIRE TRUE)
file(GLOB PIPEWIRE_SOURCES ${SDL2_SOURCE_DIR}/src/audio/pipewire/*.c)
list(APPEND SOURCE_FILES ${PIPEWIRE_SOURCES})
set(SDL_AUDIO_DRIVER_PIPEWIRE 1)
list(APPEND EXTRA_CFLAGS ${PKG_PIPEWIRE_CFLAGS})
if(SDL_PIPEWIRE_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic Pipewire loading")
endif()
FindLibraryAndSONAME("pipewire-0.3" LIBDIRS ${PKG_PIPEWIRE_LIBRARY_DIRS})
if(SDL_PIPEWIRE_SHARED AND PIPEWIRE_0.3_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_PIPEWIRE_DYNAMIC "\"${PIPEWIRE_0.3_LIB_SONAME}\"")
set(HAVE_PIPEWIRE_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_PIPEWIRE_LDFLAGS})
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)
pkg_check_modules(PKG_PULSEAUDIO libpulse>=0.9.15)
if(PKG_PULSEAUDIO_FOUND)
set(HAVE_PULSEAUDIO TRUE)
file(GLOB PULSEAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/pulseaudio/*.c)
list(APPEND SOURCE_FILES ${PULSEAUDIO_SOURCES})
set(SDL_AUDIO_DRIVER_PULSEAUDIO 1)
list(APPEND EXTRA_CFLAGS ${PKG_PULSEAUDIO_CFLAGS})
if(SDL_PULSEAUDIO_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic PulseAudio loading")
endif()
FindLibraryAndSONAME("pulse" LIBDIRS ${PKG_PULSEAUDIO_LIBRARY_DIRS})
if(SDL_PULSEAUDIO_SHARED AND PULSE_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_LIB_SONAME}\"")
set(HAVE_PULSEAUDIO_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_PULSEAUDIO_LDFLAGS})
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)
pkg_check_modules(PKG_JACK jack)
if(PKG_JACK_FOUND)
set(HAVE_JACK TRUE)
file(GLOB JACK_SOURCES ${SDL2_SOURCE_DIR}/src/audio/jack/*.c)
list(APPEND SOURCE_FILES ${JACK_SOURCES})
set(SDL_AUDIO_DRIVER_JACK 1)
list(APPEND EXTRA_CFLAGS ${PKG_JACK_CFLAGS})
if(SDL_JACK_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic JACK audio loading")
endif()
FindLibraryAndSONAME("jack" LIBDIRS ${PKG_JACK_LIBRARY_DIRS})
if(SDL_JACK_SHARED AND JACK_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_JACK_DYNAMIC "\"${JACK_LIB_SONAME}\"")
set(HAVE_JACK_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_JACK_LDFLAGS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - SDL_ESD_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckESD)
if(SDL_ESD)
pkg_check_modules(PKG_ESD esound)
if(PKG_ESD_FOUND)
set(HAVE_ESD TRUE)
file(GLOB ESD_SOURCES ${SDL2_SOURCE_DIR}/src/audio/esd/*.c)
list(APPEND SOURCE_FILES ${ESD_SOURCES})
set(SDL_AUDIO_DRIVER_ESD 1)
list(APPEND EXTRA_CFLAGS ${PKG_ESD_CFLAGS})
if(SDL_ESD_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic ESD loading")
endif()
FindLibraryAndSONAME(esd LIBDIRS ${PKG_ESD_LIBRARY_DIRS})
if(SDL_ESD_SHARED AND ESD_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_ESD_DYNAMIC "\"${ESD_LIB_SONAME}\"")
set(HAVE_ESD_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_ESD_LDFLAGS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_ARTS_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckARTS)
if(SDL_ARTS)
find_program(ARTS_CONFIG arts-config)
if(ARTS_CONFIG)
execute_process(CMD_ARTSCFLAGS ${ARTS_CONFIG} --cflags
OUTPUT_VARIABLE ARTS_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
list(APPEND EXTRA_CFLAGS ${ARTS_CFLAGS})
execute_process(CMD_ARTSLIBS ${ARTS_CONFIG} --libs
OUTPUT_VARIABLE ARTS_LIBS OUTPUT_STRIP_TRAILING_WHITESPACE)
file(GLOB ARTS_SOURCES ${SDL2_SOURCE_DIR}/src/audio/arts/*.c)
list(APPEND SOURCE_FILES ${ARTS_SOURCES})
set(SDL_AUDIO_DRIVER_ARTS 1)
set(HAVE_ARTS TRUE)
if(SDL_ARTS_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic ARTS loading")
endif()
FindLibraryAndSONAME(artsc)
if(SDL_ARTS_SHARED AND ARTSC_LIB AND HAVE_SDL_LOADSO)
# TODO
set(SDL_AUDIO_DRIVER_ARTS_DYNAMIC "\"${ARTSC_LIB_SONAME}\"")
set(HAVE_ARTS_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${ARTS_LIBS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_NAS_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckNAS)
if(SDL_NAS)
# TODO: set include paths properly, so the NAS headers are found
check_include_file(audio/audiolib.h HAVE_NAS_H)
find_library(D_NAS_LIB audio)
if(HAVE_NAS_H AND D_NAS_LIB)
set(HAVE_NAS TRUE)
file(GLOB NAS_SOURCES ${SDL2_SOURCE_DIR}/src/audio/nas/*.c)
list(APPEND SOURCE_FILES ${NAS_SOURCES})
set(SDL_AUDIO_DRIVER_NAS 1)
if(SDL_NAS_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic NAS loading")
endif()
FindLibraryAndSONAME("audio")
if(SDL_NAS_SHARED AND AUDIO_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_NAS_DYNAMIC "\"${AUDIO_LIB_SONAME}\"")
set(HAVE_NAS_SHARED TRUE)
else()
list(APPEND EXTRA_LIBS ${D_NAS_LIB})
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)
pkg_check_modules(PKG_SNDIO sndio)
if(PKG_SNDIO_FOUND)
set(HAVE_SNDIO TRUE)
file(GLOB SNDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/sndio/*.c)
list(APPEND SOURCE_FILES ${SNDIO_SOURCES})
set(SDL_AUDIO_DRIVER_SNDIO 1)
list(APPEND EXTRA_CFLAGS ${PKG_SNDIO_CFLAGS})
if(SDL_SNDIO_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic sndio loading")
endif()
FindLibraryAndSONAME("sndio" LIBDIRS ${PKG_SNDIO_LIBRARY_DIRS})
if(SDL_SNDIO_SHARED AND SNDIO_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC "\"${SNDIO_LIB_SONAME}\"")
set(HAVE_SNDIO_SHARED TRUE)
else()
list(APPEND EXTRA_LIBS ${PKG_SNDIO_LDFLAGS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - FUSIONSOUND_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckFusionSound)
if(FUSIONSOUND)
pkg_check_modules(PKG_FUSIONSOUND fusionsound>=1.0.0)
if(PKG_FUSIONSOUND_FOUND)
set(HAVE_FUSIONSOUND TRUE)
file(GLOB FUSIONSOUND_SOURCES ${SDL2_SOURCE_DIR}/src/audio/fusionsound/*.c)
list(APPEND SOURCE_FILES ${FUSIONSOUND_SOURCES})
set(SDL_AUDIO_DRIVER_FUSIONSOUND 1)
list(APPEND EXTRA_CFLAGS ${PKG_FUSIONSOUND_CFLAGS})
if(FUSIONSOUND_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic FusionSound loading")
endif()
FindLibraryAndSONAME("fusionsound" LIBDIRS ${PKG_FUSIONSOUND_LIBRARY_DIRS})
if(FUSIONSOUND_SHARED AND FUSIONSOUND_LIB AND HAVE_SDL_LOADSO)
set(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC "\"${FUSIONSOUND_LIB_SONAME}\"")
set(HAVE_FUSIONSOUND_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_FUSIONSOUND_LDFLAGS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - SDL_LIBSAMPLERATE
# Optional:
# - SDL_LIBSAMPLERATE_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckLibSampleRate)
if(SDL_LIBSAMPLERATE)
find_package(SampleRate QUIET)
if(SampleRate_FOUND AND TARGET SampleRate::samplerate)
set(HAVE_LIBSAMPLERATE TRUE)
set(HAVE_LIBSAMPLERATE_H TRUE)
if(SDL_LIBSAMPLERATE_SHARED)
target_include_directories(sdl-build-options SYSTEM INTERFACE $<TARGET_PROPERTY:SampleRate::samplerate,INTERFACE_INCLUDE_DIRECTORIES>)
if(NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic libsamplerate loading")
else()
get_property(_samplerate_type TARGET SampleRate::samplerate PROPERTY TYPE)
if(_samplerate_type STREQUAL "SHARED_LIBRARY")
set(HAVE_LIBSAMPLERATE_SHARED TRUE)
if(WIN32 OR OS2)
set(SDL_LIBSAMPLERATE_DYNAMIC "\"$<TARGET_FILE_NAME:SampleRate::samplerate>\"")
else()
set(SDL_LIBSAMPLERATE_DYNAMIC "\"$<TARGET_SONAME_FILE_NAME:SampleRate::samplerate>\"")
endif()
endif()
endif()
else()
target_link_libraries(sdl-build-options INTERFACE SampleRate::samplerate)
list(APPEND SDL_REQUIRES_PRIVATE SampleRate::samplerate)
endif()
else()
check_include_file(samplerate.h HAVE_LIBSAMPLERATE_H)
if(HAVE_LIBSAMPLERATE_H)
set(HAVE_LIBSAMPLERATE TRUE)
if(SDL_LIBSAMPLERATE_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic libsamplerate loading")
endif()
FindLibraryAndSONAME("samplerate")
if(SDL_LIBSAMPLERATE_SHARED AND SAMPLERATE_LIB AND HAVE_SDL_LOADSO)
set(SDL_LIBSAMPLERATE_DYNAMIC "\"${SAMPLERATE_LIB_SONAME}\"")
set(HAVE_LIBSAMPLERATE_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS -lsamplerate)
endif()
endif()
endif()
endif()
endmacro()
# Requires:
# - n/a
# Optional:
# - SDL_X11_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckX11)
cmake_push_check_state(RESET)
if(SDL_X11)
foreach(_LIB X11 Xext Xcursor Xi Xfixes Xrandr Xrender Xss)
FindLibraryAndSONAME("${_LIB}")
endforeach()
set(X11_dirs)
find_path(X_INCLUDEDIR
NAMES X11/Xlib.h
PATHS
/usr/pkg/xorg/include
/usr/X11R6/include
/usr/X11R7/include
/usr/local/include/X11
/usr/include/X11
/usr/openwin/include
/usr/openwin/share/include
/opt/graphics/OpenGL/include
/opt/X11/include
)
if(X_INCLUDEDIR)
list(APPEND EXTRA_CFLAGS "-I${X_INCLUDEDIR}")
list(APPEND CMAKE_REQUIRED_INCLUDES ${X_INCLUDEDIR})
endif()
find_file(HAVE_XCURSOR_H NAMES "X11/Xcursor/Xcursor.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XINPUT2_H NAMES "X11/extensions/XInput2.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XRANDR_H NAMES "X11/extensions/Xrandr.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XFIXES_H_ NAMES "X11/extensions/Xfixes.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XRENDER_H NAMES "X11/extensions/Xrender.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XSS_H NAMES "X11/extensions/scrnsaver.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XSHAPE_H NAMES "X11/extensions/shape.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XDBE_H NAMES "X11/extensions/Xdbe.h" HINTS "${X_INCLUDEDIR}")
find_file(HAVE_XEXT_H NAMES "X11/extensions/Xext.h" HINTS "${X_INCLUDEDIR}")
if(X11_LIB)
if(NOT HAVE_XEXT_H)
message_error("Missing Xext.h, maybe you need to install the libxext-dev package?")
endif()
set(HAVE_X11 TRUE)
set(HAVE_SDL_VIDEO TRUE)
file(GLOB X11_SOURCES ${SDL2_SOURCE_DIR}/src/video/x11/*.c)
list(APPEND SOURCE_FILES ${X11_SOURCES})
set(SDL_VIDEO_DRIVER_X11 1)
# Note: Disabled on Apple because the dynamic mode backend for X11 doesn't
# work properly on Apple during several issues like inconsistent paths
# among platforms. See #6778 (https://github.com/libsdl-org/SDL/issues/6778)
if(APPLE)
set(SDL_X11_SHARED OFF)
endif()
check_symbol_exists(shmat "sys/shm.h" HAVE_SHMAT_IN_LIBC)
if(NOT HAVE_SHMAT_IN_LIBC)
check_library_exists(ipc shmat "" HAVE_SHMAT_IN_LIBIPC)
if(HAVE_SHMAT_IN_LIBIPC)
list(APPEND EXTRA_LIBS ipc)
endif()
if(NOT HAVE_SHMAT_IN_LIBIPC)
list(APPEND EXTRA_CFLAGS "-DNO_SHARED_MEMORY")
endif()
endif()
if(SDL_X11_SHARED)
if(NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic X11 loading")
set(HAVE_X11_SHARED FALSE)
else()
set(HAVE_X11_SHARED TRUE)
endif()
if(X11_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC "\"${X11_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${X11_LIB})
endif()
endif()
if(XEXT_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "\"${XEXT_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XEXT_LIB_SONAME})
endif()
endif()
else()
list(APPEND EXTRA_LIBS ${X11_LIB} ${XEXT_LIB})
endif()
set(CMAKE_REQUIRED_LIBRARIES ${X11_LIB} ${X11_LIB})
check_c_source_compiles("
#include <X11/Xlib.h>
int main(int argc, char **argv) {
Display *display;
XEvent event;
XGenericEventCookie *cookie = &event.xcookie;
XNextEvent(display, &event);
XGetEventData(display, cookie);
XFreeEventData(display, cookie);
return 0; }" HAVE_XGENERICEVENT)
if(HAVE_XGENERICEVENT)
set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1)
endif()
check_symbol_exists(XkbKeycodeToKeysym "X11/Xlib.h;X11/XKBlib.h" SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM)
if(SDL_X11_XCURSOR AND HAVE_XCURSOR_H AND XCURSOR_LIB)
set(HAVE_X11_XCURSOR TRUE)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR "\"${XCURSOR_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XCURSOR_LIB})
endif()
set(SDL_VIDEO_DRIVER_X11_XCURSOR 1)
endif()
if(SDL_X11_XDBE AND HAVE_XDBE_H)
set(HAVE_X11_XDBE TRUE)
set(SDL_VIDEO_DRIVER_X11_XDBE 1)
endif()
if(SDL_X11_XINPUT AND HAVE_XINPUT2_H AND XI_LIB)
set(HAVE_X11_XINPUT TRUE)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "\"${XI_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XI_LIB})
endif()
set(SDL_VIDEO_DRIVER_X11_XINPUT2 1)
# Check for multitouch
check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/extensions/XInput2.h>
int event_type = XI_TouchBegin;
XITouchClassInfo *t;
Status XIAllowTouchEvents(Display *a,int b,unsigned int c,Window d,int f) {
return (Status)0;
}
int main(int argc, char **argv) { return 0; }" HAVE_XINPUT2_MULTITOUCH)
if(HAVE_XINPUT2_MULTITOUCH)
set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1)
endif()
endif()
# check along with XInput2.h because we use Xfixes with XIBarrierReleasePointer
if(SDL_X11_XFIXES AND HAVE_XFIXES_H_ AND HAVE_XINPUT2_H)
check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/Xfixes.h>
BarrierEventID b;
int main(int argc, char **argv) { return 0; }" HAVE_XFIXES_H)
endif()
if(SDL_X11_XFIXES AND HAVE_XFIXES_H AND HAVE_XINPUT2_H AND XFIXES_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES "\"${XFIXES_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XFIXES_LIB})
endif()
set(SDL_VIDEO_DRIVER_X11_XFIXES 1)
set(HAVE_X11_XFIXES TRUE)
endif()
if(SDL_X11_XRANDR AND HAVE_XRANDR_H AND XRANDR_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "\"${XRANDR_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XRANDR_LIB})
endif()
set(SDL_VIDEO_DRIVER_X11_XRANDR 1)
set(HAVE_X11_XRANDR TRUE)
endif()
if(SDL_X11_XSCRNSAVER AND HAVE_XSS_H AND XSS_LIB)
if(HAVE_X11_SHARED)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "\"${XSS_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${XSS_LIB})
endif()
set(SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1)
set(HAVE_X11_XSCRNSAVER TRUE)
endif()
if(SDL_X11_XSHAPE AND HAVE_XSHAPE_H)
set(SDL_VIDEO_DRIVER_X11_XSHAPE 1)
set(HAVE_X11_XSHAPE TRUE)
endif()
set(CMAKE_REQUIRED_LIBRARIES)
endif()
endif()
if(NOT HAVE_X11)
# Prevent Mesa from including X11 headers
list(APPEND EXTRA_CFLAGS "-DMESA_EGL_NO_X11_HEADERS -DEGL_NO_X11")
endif()
cmake_pop_check_state()
endmacro()
macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL)
set(_WAYLAND_PROT_C_CODE "${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}"
)
list(APPEND SDL_GENERATED_HEADERS "${_WAYLAND_PROT_H_CODE}")
list(APPEND SOURCE_FILES "${_WAYLAND_PROT_C_CODE}")
endmacro()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - SDL_WAYLAND_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckWayland)
if(SDL_WAYLAND)
set(WAYLAND_FOUND FALSE)
pkg_check_modules(PKG_WAYLAND "wayland-client>=1.18" wayland-egl wayland-cursor egl "xkbcommon>=0.5.0")
if(PKG_WAYLAND_FOUND)
set(WAYLAND_FOUND TRUE)
find_program(WAYLAND_SCANNER NAMES wayland-scanner REQUIRED)
execute_process(
COMMAND ${WAYLAND_SCANNER} --version
RESULT_VARIABLE WAYLAND_SCANNER_VERSION_RC
ERROR_VARIABLE WAYLAND_SCANNER_VERSION
ERROR_STRIP_TRAILING_WHITESPACE
)
if(NOT WAYLAND_SCANNER_VERSION_RC EQUAL 0)
message(FATAL "Failed to get wayland-scanner version")
set(WAYLAND_FOUND FALSE)
endif()
string(REPLACE "wayland-scanner " "" WAYLAND_SCANNER_VERSION ${WAYLAND_SCANNER_VERSION})
string(COMPARE LESS ${WAYLAND_SCANNER_VERSION} "1.15.0" WAYLAND_SCANNER_PRE_1_15)
if(WAYLAND_SCANNER_PRE_1_15)
set(WAYLAND_SCANNER_CODE_MODE "code")
else()
set(WAYLAND_SCANNER_CODE_MODE "private-code")
endif()
endif()
if(WAYLAND_FOUND)
target_link_directories(sdl-build-options INTERFACE "${PKG_WAYLAND_LIBRARY_DIRS}")
target_include_directories(sdl-build-options SYSTEM INTERFACE "${PKG_WAYLAND_INCLUDE_DIRS}")
set(HAVE_WAYLAND TRUE)
set(HAVE_SDL_VIDEO TRUE)
file(GLOB WAYLAND_SOURCES ${SDL2_SOURCE_DIR}/src/video/wayland/*.c)
list(APPEND SOURCE_FILES ${WAYLAND_SOURCES})
# We have to generate some protocol interface code for some unstable Wayland features.
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols")
target_include_directories(sdl-build-options SYSTEM INTERFACE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols")
file(GLOB WAYLAND_PROTOCOLS_XML RELATIVE "${SDL2_SOURCE_DIR}/wayland-protocols/" "${SDL2_SOURCE_DIR}/wayland-protocols/*.xml")
foreach(_XML ${WAYLAND_PROTOCOLS_XML})
string(REGEX REPLACE "\\.xml$" "" _PROTL "${_XML}")
WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_SCANNER_CODE_MODE}" "${SDL2_SOURCE_DIR}/wayland-protocols/${_XML}" "${_PROTL}")
endforeach()
if(SDL_WAYLAND_QT_TOUCH)
set(HAVE_WAYLAND_QT_TOUCH TRUE)
set(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH 1)
endif()
if(SDL_WAYLAND_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic Wayland loading")
endif()
FindLibraryAndSONAME(wayland-client LIBDIRS ${PKG_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(wayland-egl LIBDIRS ${PKG_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(wayland-cursor LIBDIRS ${PKG_WAYLAND_LIBRARY_DIRS})
FindLibraryAndSONAME(xkbcommon LIBDIRS ${PKG_WAYLAND_LIBRARY_DIRS})
if(SDL_WAYLAND_SHARED AND WAYLAND_CLIENT_LIB AND WAYLAND_EGL_LIB AND WAYLAND_CURSOR_LIB AND XKBCOMMON_LIB AND HAVE_SDL_LOADSO)
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC "\"${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)
else()
list(APPEND EXTRA_LIBS ${PKG_WAYLAND_LIBRARIES})
endif()
if(SDL_WAYLAND_LIBDECOR)
pkg_check_modules(PKG_LIBDECOR libdecor-0)
if(PKG_LIBDECOR_FOUND)
set(HAVE_WAYLAND_LIBDECOR TRUE)
set(HAVE_LIBDECOR_H 1)
target_link_directories(sdl-build-options INTERFACE "${PKG_LIBDECOR_LIBRARY_DIRS}")
target_include_directories(sdl-build-options SYSTEM INTERFACE "${PKG_LIBDECOR_INCLUDE_DIRS}")
if(SDL_WAYLAND_LIBDECOR_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic libdecor loading")
endif()
FindLibraryAndSONAME(decor-0 LIBDIRS ${PKG_LIBDECOR_LIBRARY_DIRS})
if(SDL_WAYLAND_LIBDECOR_SHARED AND DECOR_0_LIB AND HAVE_SDL_LOADSO)
set(HAVE_WAYLAND_LIBDECOR_SHARED TRUE)
set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_LIBDECOR "\"${DECOR_0_LIB_SONAME}\"")
else()
list(APPEND EXTRA_LIBS ${PKG_LIBDECOR_LIBRARIES})
endif()
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_FLAGS ${PKG_LIBDECOR_CFLAGS})
list(APPEND CMAKE_REQUIRED_INCLUDES ${PKG_LIBDECOR_INCLUDE_DIRS})
list(APPEND CMAKE_REQUIRED_LIBRARIES ${PKG_LIBDECOR_LINK_LIBRARIES})
check_symbol_exists(libdecor_frame_get_max_content_size "libdecor.h" HAVE_LIBDECOR_FRAME_GET_MAX_CONTENT_SIZE)
check_symbol_exists(libdecor_frame_get_min_content_size "libdecor.h" HAVE_LIBDECOR_FRAME_GET_MIN_CONTENT_SIZE)
if(HAVE_LIBDECOR_FRAME_GET_MAX_CONTENT_SIZE AND HAVE_LIBDECOR_FRAME_GET_MIN_CONTENT_SIZE)
set(SDL_HAVE_LIBDECOR_GET_MIN_MAX 1)
endif()
cmake_pop_check_state()
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)
file(GLOB COCOA_SOURCES ${SDL2_SOURCE_DIR}/src/video/cocoa/*.m)
list(APPEND SOURCE_FILES ${COCOA_SOURCES})
set(SDL_VIDEO_DRIVER_COCOA 1)
set(HAVE_SDL_VIDEO TRUE)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
# Optional:
# - DIRECTFB_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckDirectFB)
if(SDL_DIRECTFB)
pkg_check_modules(PKG_DIRECTFB directfb>=1.0.0)
if(PKG_DIRECTFB_FOUND)
set(HAVE_DIRECTFB TRUE)
file(GLOB DIRECTFB_SOURCES ${SDL2_SOURCE_DIR}/src/video/directfb/*.c)
list(APPEND SOURCE_FILES ${DIRECTFB_SOURCES})
set(SDL_VIDEO_DRIVER_DIRECTFB 1)
set(SDL_VIDEO_RENDER_DIRECTFB 1)
list(APPEND EXTRA_CFLAGS ${PKG_DIRECTFB_CFLAGS})
list(APPEND SDL_CFLAGS ${PKG_DIRECTFB_CFLAGS})
if(SDL_DIRECTFB_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic DirectFB loading")
endif()
FindLibraryAndSONAME("directfb" LIBDIRS ${PKG_DIRECTFB_LIBRARY_DIRS})
if(SDL_DIRECTFB_SHARED AND DIRECTFB_LIB AND HAVE_SDL_LOADSO)
set(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC "\"${DIRECTFB_LIB_SONAME}\"")
set(HAVE_DIRECTFB_SHARED TRUE)
else()
list(APPEND EXTRA_LDFLAGS ${PKG_DIRECTFB_LDFLAGS})
endif()
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)
file(GLOB VIVANTE_SOURCES ${SDL2_SOURCE_DIR}/src/video/vivante/*.c)
list(APPEND SOURCE_FILES ${VIVANTE_SOURCES})
set(SDL_VIDEO_DRIVER_VIVANTE 1)
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)
list(APPEND EXTRA_LIBS ${VIVANTE_LIBRARY} ${VIVANTE_VDK_LIBRARY})
else()
list(APPEND SDL_CFLAGS -DLINUX -DEGL_API_FB)
list(APPEND EXTRA_LIBS EGL)
endif(HAVE_VIVANTE_VDK)
endif()
endif()
endmacro()
# Requires:
# - nada
macro(CheckGLX)
if(SDL_OPENGL)
check_c_source_compiles("
#include <GL/glx.h>
int main(int argc, char** argv) { return 0; }" HAVE_OPENGL_GLX)
if(HAVE_OPENGL_GLX)
set(SDL_VIDEO_OPENGL_GLX 1)
endif()
endif()
endmacro()
# Requires:
# - PkgCheckModules
macro(CheckEGL)
if (SDL_OPENGL OR SDL_OPENGLES)
pkg_check_modules(EGL egl)
set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} ${EGL_CFLAGS}")
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)
if(HAVE_OPENGL_EGL)
set(SDL_VIDEO_OPENGL_EGL 1)
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)
check_c_source_compiles("
#include <GLES/gl.h>
#include <GLES/glext.h>
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V1)
if(HAVE_OPENGLES_V1)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES 1)
set(SDL_VIDEO_RENDER_OGL_ES 1)
endif()
check_c_source_compiles("
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V2)
if(HAVE_OPENGLES_V2)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
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)
file(GLOB QNX_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/qnx/*.c)
list(APPEND SOURCE_FILES ${QNX_VIDEO_SOURCES})
list(APPEND EXTRA_LIBS screen EGL)
endif()
endif()
endmacro()
# Requires:
# - nada
# Optional:
# - THREADS opt
# Sets:
# PTHREAD_CFLAGS
# PTHREAD_LIBS
macro(CheckPTHREAD)
if(SDL_THREADS AND SDL_PTHREADS)
if(ANDROID)
# the android libc provides built-in support for pthreads, so no
# additional linking or compile flags are necessary
elseif(LINUX)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-pthread")
elseif(BSDI)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "")
elseif(DARWIN)
set(PTHREAD_CFLAGS "-D_THREAD_SAFE")
# causes Carbon.p complaints?
# set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "")
elseif(FREEBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "-pthread")
elseif(NETBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE")
set(PTHREAD_LDFLAGS "-lpthread")
elseif(OPENBSD)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-lpthread")
elseif(SOLARIS)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-pthread -lposix4")
elseif(SYSV5)
set(PTHREAD_CFLAGS "-D_REENTRANT -Kthread")
set(PTHREAD_LDFLAGS "")
elseif(AIX)
set(PTHREAD_CFLAGS "-D_REENTRANT -mthreads")
set(PTHREAD_LDFLAGS "-pthread")
elseif(HPUX)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-L/usr/lib -pthread")
elseif(HAIKU)
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "")
elseif(EMSCRIPTEN)
set(PTHREAD_CFLAGS "-D_REENTRANT -pthread")
set(PTHREAD_LDFLAGS "-pthread")
elseif(QNX)
# pthread support is baked in
else()
set(PTHREAD_CFLAGS "-D_REENTRANT")
set(PTHREAD_LDFLAGS "-lpthread")
endif()
# Run some tests
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${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)
list(APPEND EXTRA_CFLAGS ${PTHREAD_CFLAGS})
list(APPEND EXTRA_LDFLAGS ${PTHREAD_LDFLAGS})
list(APPEND SDL_CFLAGS ${PTHREAD_CFLAGS})
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;
}" HAVE_SEM_TIMEDWAIT)
endif()
endif()
check_include_files("pthread.h" HAVE_PTHREAD_H)
check_include_files("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()
set(SOURCE_FILES ${SOURCE_FILES}
${SDL2_SOURCE_DIR}/src/thread/pthread/SDL_systhread.c
${SDL2_SOURCE_DIR}/src/thread/pthread/SDL_sysmutex.c # Can be faked, if necessary
${SDL2_SOURCE_DIR}/src/thread/pthread/SDL_syscond.c # Can be faked, if necessary
${SDL2_SOURCE_DIR}/src/thread/pthread/SDL_systls.c
)
if(HAVE_PTHREADS_SEM)
set(SOURCE_FILES ${SOURCE_FILES}
${SDL2_SOURCE_DIR}/src/thread/pthread/SDL_syssem.c)
else()
set(SOURCE_FILES ${SOURCE_FILES}
${SDL2_SOURCE_DIR}/src/thread/generic/SDL_syssem.c)
endif()
set(HAVE_SDL_THREADS TRUE)
endif()
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
endif()
endmacro()
# Requires
# - nada
# Optional:
# Sets:
# USB_LIBS
# USB_CFLAGS
macro(CheckUSBHID)
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)
set(USB_CFLAGS "${USB_CFLAGS} -DHAVE_LIBUSBHID_H")
endif()
set(USB_LIBS ${USB_LIBS} usbhid)
else()
check_include_file(usb.h HAVE_USB_H)
if(HAVE_USB_H)
set(USB_CFLAGS "-DHAVE_USB_H")
endif()
check_include_file(libusb.h HAVE_LIBUSB_H)
if(HAVE_LIBUSB_H)
set(USB_CFLAGS "${USB_CFLAGS} -DHAVE_LIBUSB_H")
endif()
check_library_exists(usb hid_init "" LIBUSB)
if(LIBUSB)
set(USB_LIBS ${USB_LIBS} usb)
endif()
endif()
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${USB_CFLAGS}")
set(CMAKE_REQUIRED_LIBRARIES "${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)
set(USB_CFLAGS "${USB_CFLAGS} -DUSBHID_UCR_DATA")
endif()
check_c_source_compiles("
#include <sys/types.h>
#if defined(HAVE_USB_H)
#include <usb.h>
#endif
#ifdef __DragonFly__
#include <bus/u4b/usb.h>
#include <bus/u4b/usbhid.h>
#else
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#endif
#if defined(HAVE_USBHID_H)
#include <usbhid.h>
#elif defined(HAVE_LIBUSB_H)
#include <libusb.h>
#elif defined(HAVE_LIBUSBHID_H)
#include <libusbhid.h>
#endif
int main(int argc, char **argv) {
report_desc_t d;
hid_start_parse(d, 1, 1);
return 0;
}" HAVE_USBHID_NEW)
if(HAVE_USBHID_NEW)
set(USB_CFLAGS "${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)
file(GLOB BSD_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/bsd/*.c)
list(APPEND SOURCE_FILES ${BSD_JOYSTICK_SOURCES})
list(APPEND EXTRA_CFLAGS ${USB_CFLAGS})
list(APPEND EXTRA_LIBS ${USB_LIBS})
set(HAVE_SDL_JOYSTICK TRUE)
set(CMAKE_REQUIRED_LIBRARIES)
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
endif()
endmacro()
# Check for HIDAPI support
macro(CheckHIDAPI)
set(HAVE_HIDAPI TRUE)
if(SDL_HIDAPI)
if(SDL_HIDAPI_LIBUSB)
set(HAVE_LIBUSB FALSE)
pkg_check_modules(PKG_LIBUSB libusb-1.0)
if(PKG_LIBUSB_FOUND)
check_include_file(libusb.h HAVE_LIBUSB_H ${PKG_LIBUSB_CFLAGS})
if(HAVE_LIBUSB_H)
set(HAVE_LIBUSB TRUE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${PKG_LIBUSB_CFLAGS}")
if(HIDAPI_ONLY_LIBUSB)
list(APPEND EXTRA_LIBS ${PKG_LIBUSB_LIBRARIES})
elseif(OS2)
set(SDL_LIBUSB_DYNAMIC "\"usb100.dll\"")
else()
# libusb is loaded dynamically, so don't add it to EXTRA_LIBS
FindLibraryAndSONAME("usb-1.0" LIBDIRS ${PKG_LIBUSB_LIBRARY_DIRS})
if(USB_1.0_LIB)
set(SDL_LIBUSB_DYNAMIC "\"${USB_1.0_LIB_SONAME}\"")
endif()
endif()
endif()
endif()
if(HIDAPI_ONLY_LIBUSB AND NOT HAVE_LIBUSB)
set(HAVE_HIDAPI FALSE)
endif()
set(HAVE_HIDAPI_LIBUSB ${HAVE_LIBUSB})
endif()
if(HAVE_HIDAPI)
if(ANDROID)
list(APPEND SOURCE_FILES ${SDL2_SOURCE_DIR}/src/hidapi/android/hid.cpp)
endif()
if(IOS OR TVOS)
list(APPEND SOURCE_FILES ${SDL2_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)
file(GLOB HIDAPI_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/hidapi/*.c)
list(APPEND SOURCE_FILES ${HIDAPI_JOYSTICK_SOURCES})
endif()
else()
set(SDL_HIDAPI_DISABLED 1)
endif()
else()
set(SDL_HIDAPI_DISABLED 1)
endif()
endmacro()
# Requires:
# - n/a
macro(CheckRPI)
if(SDL_RPI)
pkg_check_modules(VIDEO_RPI bcm_host brcmegl)
if (NOT VIDEO_RPI_FOUND)
set(VIDEO_RPI_INCLUDE_DIRS "/opt/vc/include" "/opt/vc/include/interface/vcos/pthreads" "/opt/vc/include/interface/vmcs_host/linux/" )
set(VIDEO_RPI_LIBRARY_DIRS "/opt/vc/lib" )
set(VIDEO_RPI_LIBRARIES bcm_host )
set(VIDEO_RPI_LDFLAGS "-Wl,-rpath,/opt/vc/lib")
endif()
listtostr(VIDEO_RPI_INCLUDE_DIRS VIDEO_RPI_INCLUDE_FLAGS "-I")
listtostr(VIDEO_RPI_LIBRARY_DIRS VIDEO_RPI_LIBRARY_FLAGS "-L")
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")
set(CMAKE_REQUIRED_LIBRARIES "${VIDEO_RPI_LIBRARIES}")
check_c_source_compiles("
#include <bcm_host.h>
#include <EGL/eglplatform.h>
int main(int argc, char **argv) {
EGL_DISPMANX_WINDOW_T window;
bcm_host_init();
}" HAVE_RPI)
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_LIBRARIES)
if(SDL_VIDEO AND HAVE_RPI)
set(HAVE_SDL_VIDEO TRUE)
set(SDL_VIDEO_DRIVER_RPI 1)
file(GLOB VIDEO_RPI_SOURCES ${SDL2_SOURCE_DIR}/src/video/raspberry/*.c)
list(APPEND SOURCE_FILES ${VIDEO_RPI_SOURCES})
list(APPEND EXTRA_LIBS ${VIDEO_RPI_LIBRARIES})
# !!! FIXME: shouldn't be using CMAKE_C_FLAGS, right?
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")
list(APPEND EXTRA_LDFLAGS ${VIDEO_RPI_LDFLAGS})
endif()
endif()
endmacro()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - SDL_KMSDRM_SHARED opt
# - HAVE_SDL_LOADSO opt
macro(CheckKMSDRM)
if(SDL_KMSDRM)
pkg_check_modules(PKG_KMSDRM libdrm gbm egl)
if(PKG_KMSDRM_FOUND AND HAVE_OPENGL_EGL)
target_link_directories(sdl-build-options INTERFACE ${PKG_KMSDRM_LIBRARY_DIRS})
target_include_directories(sdl-build-options SYSTEM INTERFACE "${PKG_KMSDRM_INCLUDE_DIRS}")
set(HAVE_KMSDRM TRUE)
set(HAVE_SDL_VIDEO TRUE)
file(GLOB KMSDRM_SOURCES ${SDL2_SOURCE_DIR}/src/video/kmsdrm/*.c)
list(APPEND SOURCE_FILES ${KMSDRM_SOURCES})
list(APPEND EXTRA_CFLAGS ${PKG_KMSDRM_CFLAGS})
set(SDL_VIDEO_DRIVER_KMSDRM 1)
if(SDL_KMSDRM_SHARED AND NOT HAVE_SDL_LOADSO)
message_warn("You must have SDL_LoadObject() support for dynamic KMS/DRM loading")
endif()
if(SDL_KMSDRM_SHARED AND HAVE_SDL_LOADSO)
FindLibraryAndSONAME(drm LIBDIRS ${PKG_KMSDRM_LIBRARY_DIRS})
FindLibraryAndSONAME(gbm LIBDIRS ${PKG_KMSDRM_LIBRARY_DIRS})
set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC "\"${DRM_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM "\"${GBM_LIB_SONAME}\"")
set(HAVE_KMSDRM_SHARED TRUE)
else()
list(APPEND EXTRA_LIBS ${PKG_KMSDRM_LIBRARIES})
endif()
endif()
endif()
endmacro()
macro(CheckLibUDev)
if(SDL_LIBUDEV)
check_include_file("libudev.h" have_libudev_header)
if(have_libudev_header)
set(HAVE_LIBUDEV_H TRUE)
FindLibraryAndSONAME(udev)
if(UDEV_LIB_SONAME)
set(SDL_UDEV_DYNAMIC "\"${UDEV_LIB_SONAME}\"")
endif()
endif()
endif()
endmacro()
macro(CheckLibUnwind)
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("${_libunwind_src}" LIBC_HAS_WORKING_LIBUNWIND)
cmake_pop_check_state()
if(LIBC_HAS_WORKING_LIBUNWIND)
set(found_libunwind TRUE)
endif()
endif()
if(NOT found_libunwind)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES "unwind")
check_c_source_compiles("${_libunwind_src}" LIBUNWIND_HAS_WORKINGLIBUNWIND)
cmake_pop_check_state()
if(LIBUNWIND_HAS_WORKINGLIBUNWIND)
set(found_libunwind TRUE)
list(APPEND EXTRA_TEST_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)
list(APPEND EXTRA_TEST_LIBS ${PC_LIBUNWIND_LIBRARIES})
list(APPEND EXTRA_TEST_INCLUDES ${PC_LIBUNWIND_INCLUDE_DIRS})
endif()
endif()
endif()
if(found_libunwind)
set(HAVE_LIBUNWIND_H TRUE)
endif()
endmacro()