/
sdlchecks.cmake
1204 lines (1114 loc) · 38.2 KB
/
sdlchecks.cmake
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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_recover "" HAVE_LIBASOUND)
endif()
if(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:
# - JACK_SHARED opt
# - HAVE_DLOPEN opt
macro(CheckJACK)
if(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)
set(SOURCE_FILES ${SOURCE_FILES} ${JACK_SOURCES})
set(SDL_AUDIO_DRIVER_JACK 1)
list(APPEND EXTRA_CFLAGS ${PKG_JACK_CFLAGS})
if(JACK_SHARED)
if(NOT HAVE_DLOPEN)
message_warn("You must have SDL_LoadObject() support for dynamic JACK audio loading")
else()
FindLibraryAndSONAME("jack")
set(SDL_AUDIO_DRIVER_JACK_DYNAMIC "\"${JACK_LIB_SONAME}\"")
set(HAVE_JACK_SHARED TRUE)
endif()
else()
list(APPEND EXTRA_LDFLAGS ${PKG_JACK_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 ${PKG_FUSIONSOUND_LDFLAGS})
endif()
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
endmacro()
# Requires:
# - LIBSAMPLERATE
# Optional:
# - LIBSAMPLERATE_SHARED opt
# - HAVE_DLOPEN opt
macro(CheckLibSampleRate)
if(LIBSAMPLERATE)
check_include_file(samplerate.h HAVE_LIBSAMPLERATE_H)
if(HAVE_LIBSAMPLERATE_H)
set(HAVE_LIBSAMPLERATE TRUE)
if(LIBSAMPLERATE_SHARED)
if(NOT HAVE_DLOPEN)
message_warn("You must have SDL_LoadObject() support for dynamic libsamplerate loading")
else()
FindLibraryAndSONAME("samplerate")
set(SDL_LIBSAMPLERATE_DYNAMIC "\"${SAMPLERATE_LIB_SONAME}\"")
set(HAVE_LIBSAMPLERATE_SHARED TRUE)
endif()
else()
list(APPEND EXTRA_LDFLAGS -lsamplerate)
endif()
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} ${X11_LIB})
check_c_source_compiles("
#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
int main(int argc, char **argv) {}" HAVE_CONST_XEXT_ADDDISPLAY)
if(HAVE_CONST_XEXT_ADDDISPLAY)
set(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY 1)
endif()
check_c_source_compiles("
#include <X11/Xlib.h>
int main(int argc, char **argv) {
Display *display;
XEvent event;
XGenericEventCookie *cookie = &event.xcookie;
XNextEvent(display, &event);
XGetEventData(display, cookie);
XFreeEventData(display, cookie); }" HAVE_XGENERICEVENT)
if(HAVE_XGENERICEVENT)
set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1)
endif()
check_function_exists(XkbKeycodeToKeysym SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM)
if(VIDEO_X11_XCURSOR AND HAVE_XCURSOR_H)
set(HAVE_VIDEO_X11_XCURSOR TRUE)
if(HAVE_X11_SHARED AND XCURSOR_LIB)
set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR "\"${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()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - MIR_SHARED opt
# - HAVE_DLOPEN opt
macro(CheckMir)
if(VIDEO_MIR)
find_library(MIR_LIB mirclient mircommon egl)
pkg_check_modules(MIR_TOOLKIT mirclient>=0.26 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_CFLAGS} ${XKB_CFLAGS})
if(MIR_SHARED)
if(NOT HAVE_DLOPEN)
message_warn("You must have SDL_LoadObject() support for dynamic Mir loading")
else()
FindLibraryAndSONAME(mirclient)
FindLibraryAndSONAME(xkbcommon)
set(SDL_VIDEO_DRIVER_MIR_DYNAMIC "\"${MIRCLIENT_LIB_SONAME}\"")
set(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON "\"${XKBCOMMON_LIB_SONAME}\"")
set(HAVE_MIR_SHARED TRUE)
endif()
else()
set(EXTRA_LIBS ${MIR_TOOLKIT_LIBRARIES} ${EXTRA_LIBS})
endif()
endif()
endif()
endmacro()
macro(WaylandProtocolGen _SCANNER _XML _PROTL)
set(_WAYLAND_PROT_C_CODE "${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 "${_SCANNER}"
ARGS code "${_XML}" "${_WAYLAND_PROT_C_CODE}"
)
set(SOURCE_FILES ${SOURCE_FILES} "${_WAYLAND_PROT_C_CODE}")
endmacro()
# Requires:
# - EGL
# - PkgCheckModules
# Optional:
# - WAYLAND_SHARED opt
# - HAVE_DLOPEN opt
macro(CheckWayland)
if(VIDEO_WAYLAND)
pkg_check_modules(WAYLAND wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon)
# We have to generate some protocol interface code for some various Wayland features.
if(WAYLAND_FOUND)
execute_process(
COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=pkgdatadir wayland-client
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
RESULT_VARIABLE WAYLAND_CORE_PROTOCOL_DIR_RC
OUTPUT_VARIABLE WAYLAND_CORE_PROTOCOL_DIR
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT WAYLAND_CORE_PROTOCOL_DIR_RC EQUAL 0)
set(WAYLAND_FOUND FALSE)
endif()
endif()
if(WAYLAND_FOUND)
execute_process(
COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=pkgdatadir wayland-protocols
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
RESULT_VARIABLE WAYLAND_PROTOCOLS_DIR_RC
OUTPUT_VARIABLE WAYLAND_PROTOCOLS_DIR
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT WAYLAND_PROTOCOLS_DIR_RC EQUAL 0)
set(WAYLAND_FOUND FALSE)
endif()
endif()
if(WAYLAND_FOUND)
execute_process(
COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=wayland_scanner wayland-scanner
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
RESULT_VARIABLE WAYLAND_SCANNER_RC
OUTPUT_VARIABLE WAYLAND_SCANNER
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT WAYLAND_SCANNER_RC EQUAL 0)
set(WAYLAND_FOUND FALSE)
endif()
endif()
if(WAYLAND_FOUND)
link_directories(
${WAYLAND_LIBRARY_DIRS}
)
include_directories(
${WAYLAND_INCLUDE_DIRS}
)
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} ${WAYLAND_SOURCES})
# We have to generate some protocol interface code for some unstable Wayland features.
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols")
include_directories("${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols")
WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_CORE_PROTOCOL_DIR}/wayland.xml" "wayland")
foreach(_PROTL relative-pointer-unstable-v1 pointer-constraints-unstable-v1 xdg-shell-unstable-v6)
string(REGEX REPLACE "\\-unstable\\-.*$" "" PROTSUBDIR ${_PROTL})
WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_PROTOCOLS_DIR}/unstable/${PROTSUBDIR}/${_PROTL}.xml" "${_PROTL}")
endforeach()
if(VIDEO_WAYLAND_QT_TOUCH)
set(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH 1)
endif()
if(WAYLAND_SHARED)
if(NOT HAVE_DLOPEN)
message_warn("You must have SDL_LoadObject() support for dynamic Wayland loading")
else()
FindLibraryAndSONAME(wayland-client)
FindLibraryAndSONAME(wayland-egl)
FindLibraryAndSONAME(wayland-cursor)
FindLibraryAndSONAME(xkbcommon)
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)
endif()
else()
set(EXTRA_LIBS ${WAYLAND_LIBRARIES} ${EXTRA_LIBS})
endif()
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)
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()
# Requires:
# - nada
# Optional:
# - THREADS opt
# Sets:
# PTHREAD_CFLAGS
# PTHREAD_LIBS
macro(CheckPTHREAD)
if(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 "-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(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${PTHREAD_CFLAGS} ${PTHREAD_LDFLAGS}")
if(CMAKE_CROSSCOMPILING)
set(HAVE_PTHREADS 1)
else()
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)
endif()
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_NP);
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(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()