macro(FindLibraryAndSONAME _LIB)

string(TOUPPER ${_LIB} _UPPERLNAME)

string(REGEX REPLACE "\\-" "_" _LNAME "${_UPPERLNAME}")

find_library(${_LNAME}_LIB ${_LIB})

if(${_LNAME}_LIB)

# reduce the library name for shared linking

get_filename_component(_LIB_REALPATH ${${_LNAME}_LIB} REALPATH) # resolves symlinks

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()

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)

check_function_exists(dlopen HAVE_DLOPEN)

if(NOT HAVE_DLOPEN)

foreach(_LIBNAME dl tdl)

check_library_exists("${_LIBNAME}" "dlopen" "" DLOPEN_LIB)

if(DLOPEN_LIB)

list(APPEND EXTRA_LIBS ${_LIBNAME})

set(_DLLIB ${_LIBNAME})

set(HAVE_DLOPEN TRUE)

break()

endif()

endforeach()

endif()

if(HAVE_DLOPEN)

if(_DLLIB)

set(CMAKE_REQUIRED_LIBRARIES ${_DLLIB})

endif()

check_c_source_compiles("

#include <dlfcn.h>

int main(int argc, char **argv) {

void *handle = dlopen(\"\", RTLD_NOW);

const char *loaderror = (char *) dlerror();

}" HAVE_DLOPEN)

set(CMAKE_REQUIRED_LIBRARIES)

endif()

if (HAVE_DLOPEN)

set(SDL_LOADSO_DLOPEN 1)

set(HAVE_SDL_DLOPEN TRUE)

file(GLOB DLOPEN_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/dlopen/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${DLOPEN_SOURCES})

set(HAVE_SDL_LOADSO TRUE)

endif()

endmacro()

# Requires:

# - n/a

macro(CheckOSS)

if(OSS)

set(OSS_HEADER_FILE "sys/soundcard.h")

check_c_source_compiles("

#include <sys/soundcard.h>

int main() { int arg = SNDCTL_DSP_SETFRAGMENT; }" OSS_FOUND)

if(NOT OSS_FOUND)

set(OSS_HEADER_FILE "soundcard.h")

check_c_source_compiles("

#include <soundcard.h>

int main() { int arg = SNDCTL_DSP_SETFRAGMENT; }" OSS_FOUND)

endif()

if(OSS_FOUND)

set(HAVE_OSS TRUE)

file(GLOB OSS_SOURCES ${SDL2_SOURCE_DIR}/src/audio/dsp/*.c)

if(OSS_HEADER_FILE STREQUAL "soundcard.h")

set(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H 1)

endif()

set(SDL_AUDIO_DRIVER_OSS 1)

set(SOURCE_FILES ${SOURCE_FILES} ${OSS_SOURCES})

if(NETBSD OR OPENBSD)

list(APPEND EXTRA_LIBS ossaudio)

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

# Optional:

# - ALSA_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckALSA)

if(ALSA)

CHECK_INCLUDE_FILE(alsa/asoundlib.h HAVE_ASOUNDLIB_H)

if(HAVE_ASOUNDLIB_H)

CHECK_LIBRARY_EXISTS(asound snd_pcm_open "" HAVE_LIBASOUND)

set(HAVE_ALSA TRUE)

file(GLOB ALSA_SOURCES ${SDL2_SOURCE_DIR}/src/audio/alsa/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${ALSA_SOURCES})

set(SDL_AUDIO_DRIVER_ALSA 1)

if(ALSA_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic ALSA loading")

else()

FindLibraryAndSONAME("asound")

set(SDL_AUDIO_DRIVER_ALSA_DYNAMIC "\"${ASOUND_LIB_SONAME}\"")

set(HAVE_ALSA_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LIBS asound)

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - PkgCheckModules

# Optional:

# - PULSEAUDIO_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckPulseAudio)

if(PULSEAUDIO)

pkg_check_modules(PKG_PULSEAUDIO libpulse-simple)

if(PKG_PULSEAUDIO_FOUND)

set(HAVE_PULSEAUDIO TRUE)

file(GLOB PULSEAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/pulseaudio/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${PULSEAUDIO_SOURCES})

set(SDL_AUDIO_DRIVER_PULSEAUDIO 1)

list(APPEND EXTRA_CFLAGS ${PKG_PULSEAUDIO_CFLAGS})

if(PULSEAUDIO_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic PulseAudio loading")

else()

FindLibraryAndSONAME("pulse-simple")

set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_SIMPLE_LIB_SONAME}\"")

set(HAVE_PULSEAUDIO_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LDFLAGS ${PKG_PULSEAUDIO_LDFLAGS})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - PkgCheckModules

# Optional:

# - ESD_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckESD)

if(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)

set(SOURCE_FILES ${SOURCE_FILES} ${ESD_SOURCES})

set(SDL_AUDIO_DRIVER_ESD 1)

list(APPEND EXTRA_CFLAGS ${PKG_ESD_CFLAGS})

if(ESD_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic ESD loading")

else()

FindLibraryAndSONAME(esd)

set(SDL_AUDIO_DRIVER_ESD_DYNAMIC "\"${ESD_LIB_SONAME}\"")

set(HAVE_ESD_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LDFLAGS ${PKG_ESD_LDFLAGS})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

# Optional:

# - ARTS_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckARTS)

if(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)

set(SOURCE_FILES ${SOURCE_FILES} ${ARTS_SOURCES})

set(SDL_AUDIO_DRIVER_ARTS 1)

set(HAVE_ARTS TRUE)

if(ARTS_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic ARTS loading")

else()

# TODO

FindLibraryAndSONAME(artsc)

set(SDL_AUDIO_DRIVER_ARTS_DYNAMIC "\"${ARTSC_LIB_SONAME}\"")

set(HAVE_ARTS_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LDFLAGS ${ARTS_LIBS})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

# Optional:

# - NAS_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckNAS)

if(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)

set(SOURCE_FILES ${SOURCE_FILES} ${NAS_SOURCES})

set(SDL_AUDIO_DRIVER_NAS 1)

if(NAS_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic NAS loading")

else()

FindLibraryAndSONAME("audio")

set(SDL_AUDIO_DRIVER_NAS_DYNAMIC "\"${AUDIO_LIB_SONAME}\"")

set(HAVE_NAS_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LIBS ${D_NAS_LIB})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

# Optional:

# - SNDIO_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckSNDIO)

if(SNDIO)

# TODO: set include paths properly, so the sndio headers are found

check_include_file(sndio.h HAVE_SNDIO_H)

find_library(D_SNDIO_LIB sndio)

if(HAVE_SNDIO_H AND D_SNDIO_LIB)

set(HAVE_SNDIO TRUE)

file(GLOB SNDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/sndio/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${SNDIO_SOURCES})

set(SDL_AUDIO_DRIVER_SNDIO 1)

if(SNDIO_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic sndio loading")

else()

FindLibraryAndSONAME("sndio")

set(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC "\"${SNDIO_LIB_SONAME}\"")

set(HAVE_SNDIO_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LIBS ${D_SNDIO_LIB})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - PkgCheckModules

# Optional:

# - FUSIONSOUND_SHARED opt

# - HAVE_DLOPEN 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)

set(SOURCE_FILES ${SOURCE_FILES} ${FUSIONSOUND_SOURCES})

set(SDL_AUDIO_DRIVER_FUSIONSOUND 1)

list(APPEND EXTRA_CFLAGS ${PKG_FUSIONSOUND_CFLAGS})

if(FUSIONSOUND_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic FusionSound loading")

else()

FindLibraryAndSONAME("fusionsound")

set(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC "\"${FUSIONSOUND_LIB_SONAME}\"")

set(HAVE_FUSIONSOUND_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LDFLAGS ${PKG_FUSIONSOUND_LDFLAGS})

endif()

set(HAVE_SDL_AUDIO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

# Optional:

# - X11_SHARED opt

# - HAVE_DLOPEN opt

macro(CheckX11)

if(VIDEO_X11)

foreach(_LIB X11 Xext Xcursor Xinerama Xi Xrandr Xrender Xss Xxf86vm)

FindLibraryAndSONAME("${_LIB}")

endforeach()

find_path(X_INCLUDEDIR X11/Xlib.h)

if(X_INCLUDEDIR)

set(X_CFLAGS "-I${X_INCLUDEDIR}")

endif()

check_include_file(X11/Xcursor/Xcursor.h HAVE_XCURSOR_H)

check_include_file(X11/extensions/Xinerama.h HAVE_XINERAMA_H)

check_include_file(X11/extensions/XInput2.h HAVE_XINPUT_H)

check_include_file(X11/extensions/Xrandr.h HAVE_XRANDR_H)

check_include_file(X11/extensions/Xrender.h HAVE_XRENDER_H)

check_include_file(X11/extensions/scrnsaver.h HAVE_XSS_H)

check_include_file(X11/extensions/shape.h HAVE_XSHAPE_H)

check_include_files("X11/Xlib.h;X11/extensions/xf86vmode.h" HAVE_XF86VM_H)

check_include_files("X11/Xlib.h;X11/Xproto.h;X11/extensions/Xext.h" HAVE_XEXT_H)

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_VIDEO_X11 TRUE)

set(HAVE_SDL_VIDEO TRUE)

file(GLOB X11_SOURCES ${SDL2_SOURCE_DIR}/src/video/x11/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${X11_SOURCES})

set(SDL_VIDEO_DRIVER_X11 1)

if(APPLE)

set(X11_SHARED OFF)

endif()

check_function_exists("shmat" HAVE_SHMAT)

if(NOT HAVE_SHMAT)

check_library_exists(ipc shmat "" HAVE_SHMAT)

if(HAVE_SHMAT)

list(APPEND EXTRA_LIBS ipc)

endif()

if(NOT HAVE_SHMAT)

add_definitions(-DNO_SHARED_MEMORY)

set(X_CFLAGS "${X_CFLAGS} -DNO_SHARED_MEMORY")

endif()

endif()

if(X11_SHARED)

if(NOT HAVE_DLOPEN)

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(HAVE_X11_SHARED)

set(SDL_VIDEO_DRIVER_X11_DYNAMIC "\"${X11_LIB_SONAME}\"")

set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "\"${XEXT_LIB_SONAME}\"")

else()

list(APPEND EXTRA_LIBS ${X11_LIB} ${XEXT_LIB})

endif()

endif()

set(SDL_CFLAGS "${SDL_CFLAGS} ${X_CFLAGS}")

set(CMAKE_REQUIRED_LIBRARIES ${X11_LIB} ${X11_LIB})

check_c_source_compiles("

#include <X11/Xlib.h>

#include <X11/Xproto.h>

#include <X11/extensions/Xext.h>

#include <X11/extensions/extutil.h>

extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);

int main(int argc, char **argv) {}" HAVE_CONST_XEXT_ADDDISPLAY)

if(HAVE_CONST_XEXT_ADDDISPLAY)

set(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY 1)

endif()

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); }" HAVE_XGENERICEVENT)

if(HAVE_XGENERICEVENT)

set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1)

endif()

check_c_source_compiles("

#include <X11/Xlibint.h>

extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);

int main(int argc, char **argv) {}" HAVE_CONST_XDATA32)

if(HAVE_CONST_XDATA32)

set(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32 1)

endif()

check_function_exists(XkbKeycodeToKeysym SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM)

if(VIDEO_X11_XCURSOR AND HAVE_XCURSOR_H)

set(HAVE_VIDEO_X11_XCURSOR TRUE)

if(HAVE_X11_SHARED AND XCURSOR_LIB)

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(VIDEO_X11_XINERAMA AND HAVE_XINERAMA_H)

set(HAVE_VIDEO_X11_XINERAMA TRUE)

if(HAVE_X11_SHARED AND XINERAMA_LIB)

set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA "\"${XINERAMA_LIB_SONAME}\"")

else()

list(APPEND EXTRA_LIBS ${XINERAMA_LIB})

endif()

set(SDL_VIDEO_DRIVER_X11_XINERAMA 1)

endif()

if(VIDEO_X11_XINPUT AND HAVE_XINPUT_H)

set(HAVE_VIDEO_X11_XINPUT TRUE)

if(HAVE_X11_SHARED AND XI_LIB)

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) {}" HAVE_XINPUT2_MULTITOUCH)

if(HAVE_XINPUT2_MULTITOUCH)

set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1)

endif()

endif()

if(VIDEO_X11_XRANDR AND HAVE_XRANDR_H)

if(HAVE_X11_SHARED AND XRANDR_LIB)

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_VIDEO_X11_XRANDR TRUE)

endif()

if(VIDEO_X11_XSCRNSAVER AND HAVE_XSS_H)

if(HAVE_X11_SHARED AND XSS_LIB)

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_VIDEO_X11_XSCRNSAVER TRUE)

endif()

if(VIDEO_X11_XSHAPE AND HAVE_XSHAPE_H)

set(SDL_VIDEO_DRIVER_X11_XSHAPE 1)

set(HAVE_VIDEO_X11_XSHAPE TRUE)

endif()

if(VIDEO_X11_XVM AND HAVE_XF86VM_H)

if(HAVE_X11_SHARED AND XXF86VM_LIB)

set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE "\"${XXF86VM_LIB_SONAME}\"")

else()

list(APPEND EXTRA_LIBS ${XXF86VM_LIB})

endif()

set(SDL_VIDEO_DRIVER_X11_XVIDMODE 1)

set(HAVE_VIDEO_X11_XVM TRUE)

endif()

set(CMAKE_REQUIRED_LIBRARIES)

endif()

endif()

endmacro()

macro(CheckMir)

# !!! FIXME: hook up dynamic loading here.

if(VIDEO_MIR)

find_library(MIR_LIB mirclient mircommon egl)

pkg_check_modules(MIR_TOOLKIT mirclient mircommon)

pkg_check_modules(EGL egl)

pkg_check_modules(XKB xkbcommon)

if (MIR_LIB AND MIR_TOOLKIT_FOUND AND EGL_FOUND AND XKB_FOUND)

set(HAVE_VIDEO_MIR TRUE)

set(HAVE_SDL_VIDEO TRUE)

file(GLOB MIR_SOURCES ${SDL2_SOURCE_DIR}/src/video/mir/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${MIR_SOURCES})

set(SDL_VIDEO_DRIVER_MIR 1)

list(APPEND EXTRA_CFLAGS ${MIR_TOOLKIT_CFLAGS} ${EGL_CLFAGS} ${XKB_CLFLAGS})

list(APPEND EXTRA_LDFLAGS ${MIR_TOOLKIT_LDFLAGS} ${EGL_LDLAGS} ${XKB_LDLAGS})

endif (MIR_LIB AND MIR_TOOLKIT_FOUND AND EGL_FOUND AND XKB_FOUND)

endif()

endmacro()

# Requires:

# - EGL

macro(CheckWayland)

# !!! FIXME: hook up dynamic loading here.

if(VIDEO_WAYLAND)

pkg_check_modules(WAYLAND wayland-client wayland-cursor wayland-egl egl xkbcommon)

if(WAYLAND_FOUND)

link_directories(

${WAYLAND_LIBRARY_DIRS}

)

include_directories(

${WAYLAND_INCLUDE_DIRS}

)

set(EXTRA_LIBS ${WAYLAND_LIBRARIES} ${EXTRA_LIBS})

set(HAVE_VIDEO_WAYLAND TRUE)

set(HAVE_SDL_VIDEO TRUE)

file(GLOB WAYLAND_SOURCES ${SDL2_SOURCE_DIR}/src/video/wayland/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${WAYLAND_SOURCES})

set(SDL_VIDEO_DRIVER_WAYLAND 1)

endif()

endif()

endmacro()

# Requires:

# - n/a

#

macro(CheckCOCOA)

if(VIDEO_COCOA)

if(APPLE) # Apple always has Cocoa.

set(HAVE_VIDEO_COCOA TRUE)

endif()

if(HAVE_VIDEO_COCOA)

file(GLOB COCOA_SOURCES ${SDL2_SOURCE_DIR}/src/video/cocoa/*.m)

set_source_files_properties(${COCOA_SOURCES} PROPERTIES LANGUAGE C)

set(SOURCE_FILES ${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_DLOPEN opt

macro(CheckDirectFB)

if(VIDEO_DIRECTFB)

pkg_check_modules(PKG_DIRECTFB directfb>=1.0.0)

if(PKG_DIRECTFB_FOUND)

set(HAVE_VIDEO_DIRECTFB TRUE)

file(GLOB DIRECTFB_SOURCES ${SDL2_SOURCE_DIR}/src/video/directfb/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${DIRECTFB_SOURCES})

set(SDL_VIDEO_DRIVER_DIRECTFB 1)

set(SDL_VIDEO_RENDER_DIRECTFB 1)

list(APPEND EXTRA_CFLAGS ${PKG_DIRECTFB_CFLAGS})

if(DIRECTFB_SHARED)

if(NOT HAVE_DLOPEN)

message_warn("You must have SDL_LoadObject() support for dynamic DirectFB loading")

else()

FindLibraryAndSONAME("directfb")

set(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC "\"${DIRECTFB_LIB_SONAME}\"")

set(HAVE_DIRECTFB_SHARED TRUE)

endif()

else()

list(APPEND EXTRA_LDFLAGS ${PKG_DIRECTFB_LDFLAGS})

endif()

set(HAVE_SDL_VIDEO TRUE)

endif()

endif()

endmacro()

# Requires:

# - n/a

macro(CheckVivante)

if(VIDEO_VIVANTE)

check_c_source_compiles("

#include <gc_vdk.h>

int main(int argc, char** argv) {}" HAVE_VIDEO_VIVANTE_VDK)

check_c_source_compiles("

#define LINUX

#define EGL_API_FB

#include <EGL/eglvivante.h>

int main(int argc, char** argv) {}" HAVE_VIDEO_VIVANTE_EGL_FB)

if(HAVE_VIDEO_VIVANTE_VDK OR HAVE_VIDEO_VIVANTE_EGL_FB)

set(HAVE_VIDEO_VIVANTE TRUE)

set(HAVE_SDL_VIDEO TRUE)

file(GLOB VIVANTE_SOURCES ${SDL2_SOURCE_DIR}/src/video/vivante/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${VIVANTE_SOURCES})

set(SDL_VIDEO_DRIVER_VIVANTE 1)

if(HAVE_VIDEO_VIVANTE_VDK)

set(SDL_VIDEO_DRIVER_VIVANTE_VDK 1)

list(APPEND EXTRA_LIBS VDK VIVANTE)

else()

set(SDL_CFLAGS "${SDL_CFLAGS} -DLINUX -DEGL_API_FB")

list(APPEND EXTRA_LIBS EGL)

endif(HAVE_VIDEO_VIVANTE_VDK)

endif(HAVE_VIDEO_VIVANTE_VDK OR HAVE_VIDEO_VIVANTE_EGL_FB)

endif(VIDEO_VIVANTE)

endmacro(CheckVivante)

# Requires:

# - nada

macro(CheckOpenGLX11)

if(VIDEO_OPENGL)

check_c_source_compiles("

#include <GL/gl.h>

#include <GL/glx.h>

int main(int argc, char** argv) {}" HAVE_VIDEO_OPENGL)

if(HAVE_VIDEO_OPENGL)

set(HAVE_VIDEO_OPENGL TRUE)

set(SDL_VIDEO_OPENGL 1)

set(SDL_VIDEO_OPENGL_GLX 1)

set(SDL_VIDEO_RENDER_OGL 1)

list(APPEND EXTRA_LIBS GL)

endif()

endif()

endmacro()

# Requires:

# - nada

macro(CheckOpenGLESX11)

if(VIDEO_OPENGLES)

check_c_source_compiles("

#define EGL_API_FB

#include <EGL/egl.h>

int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

if(HAVE_VIDEO_OPENGL_EGL)

set(SDL_VIDEO_OPENGL_EGL 1)

endif()

check_c_source_compiles("

#include <GLES/gl.h>

#include <GLES/glext.h>

int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGLES_V1)

if(HAVE_VIDEO_OPENGLES_V1)

set(HAVE_VIDEO_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) {}" HAVE_VIDEO_OPENGLES_V2)

if(HAVE_VIDEO_OPENGLES_V2)

set(HAVE_VIDEO_OPENGLES TRUE)

set(SDL_VIDEO_OPENGL_ES2 1)

set(SDL_VIDEO_RENDER_OGL_ES2 1)

endif()

endif()

endmacro()

# Rquires:

# - nada

# Optional:

# - THREADS opt

# Sets:

# PTHREAD_CFLAGS

# PTHREAD_LIBS

macro(CheckPTHREAD)

if(PTHREADS)

if(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 "-pthread")

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 "")

else()

set(PTHREAD_CFLAGS "-D_REENTRANT")

set(PTHREAD_LDFLAGS "-lpthread")

endif()

# Run some tests

set(CMAKE_REQUIRED_FLAGS "${PTHREAD_CFLAGS} ${PTHREAD_LDFLAGS}")

check_c_source_runs("

#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})

set(SDL_CFLAGS "${SDL_CFLAGS} ${PTHREAD_CFLAGS}")

list(APPEND SDL_LIBS ${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);

return 0;

}" HAVE_RECURSIVE_MUTEXES_NP)

if(HAVE_RECURSIVE_MUTEXES_NP)

set(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP 1)

endif()

endif()

if(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_c_source_compiles("

#include <pthread.h>

#include <pthread_np.h>

int main(int argc, char** argv) { return 0; }" HAVE_PTHREAD_NP_H)

check_function_exists(pthread_setname_np HAVE_PTHREAD_setNAME_NP)

check_function_exists(pthread_set_name_np HAVE_PTHREAD_set_NAME_NP)

set(CMAKE_REQUIRED_FLAGS)

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()

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(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/usb/usb.h>

# include <bus/usb/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/usb/usb.h>

# include <bus/usb/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/usb/usb.h>

#include <bus/usb/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_JOYSTICK_USBHID_MACHINE_JOYSTICK_H 1)

endif()

set(SDL_JOYSTICK_USBHID 1)

file(GLOB BSD_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/bsd/*.c)

set(SOURCE_FILES ${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)

endif()

endmacro()

# Requires:

# - n/a

macro(CheckRPI)

if(VIDEO_RPI)

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_LIBS bcm_host )

listtostr(VIDEO_RPI_INCLUDE_DIRS VIDEO_RPI_INCLUDE_FLAGS "-I")

listtostr(VIDEO_RPI_LIBRARY_DIRS VIDEO_RPI_LIBRARY_FLAGS "-L")

set(CMAKE_REQUIRED_FLAGS "${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")

set(CMAKE_REQUIRED_LIBRARIES "${VIDEO_RPI_LIBS}")

check_c_source_compiles("

#include <bcm_host.h>

int main(int argc, char **argv) {}" HAVE_VIDEO_RPI)

set(CMAKE_REQUIRED_FLAGS)

set(CMAKE_REQUIRED_LIBRARIES)

if(SDL_VIDEO AND HAVE_VIDEO_RPI)

set(HAVE_SDL_VIDEO TRUE)

set(SDL_VIDEO_DRIVER_RPI 1)

file(GLOB VIDEO_RPI_SOURCES ${SDL2_SOURCE_DIR}/src/video/raspberry/*.c)

set(SOURCE_FILES ${SOURCE_FILES} ${VIDEO_RPI_SOURCES})

list(APPEND EXTRA_LIBS ${VIDEO_RPI_LIBS})

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")

endif(SDL_VIDEO AND HAVE_VIDEO_RPI)

endif(VIDEO_RPI)

endmacro(CheckRPI)