From 8222bfe56d4dabe8d92fc4b25ea1b0163b16f3e1 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 4 May 2024 16:51:29 -0700 Subject: Initial commit. --- src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake | 1411 ++++++++++++++++++++++++++ 1 file changed, 1411 insertions(+) create mode 100644 src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake (limited to 'src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake') diff --git a/src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake b/src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake new file mode 100644 index 0000000..8156653 --- /dev/null +++ b/src/contrib/SDL-2.30.2/cmake/sdlchecks.cmake @@ -0,0 +1,1411 @@ +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 + 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 + 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 $) + set(SDL_AUDIO_DRIVER_ALSA_DYNAMIC "\"${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 $) + if(NOT HAVE_SDL_LOADSO) + message_warn("You must have SDL_LoadObject() support for dynamic libsamplerate loading") + else() + get_property(_samplerate_type TARGET SampleRate::samplerate PROPERTY TYPE) + if(_samplerate_type STREQUAL "SHARED_LIBRARY") + set(HAVE_LIBSAMPLERATE_SHARED TRUE) + if(WIN32 OR OS2) + set(SDL_LIBSAMPLERATE_DYNAMIC "\"$\"") + else() + set(SDL_LIBSAMPLERATE_DYNAMIC "\"$\"") + endif() + endif() + endif() + else() + target_link_libraries(sdl-build-options INTERFACE SampleRate::samplerate) + list(APPEND SDL_REQUIRES_PRIVATE SampleRate::samplerate) + endif() + else() + check_include_file(samplerate.h HAVE_LIBSAMPLERATE_H) + if(HAVE_LIBSAMPLERATE_H) + set(HAVE_LIBSAMPLERATE TRUE) + if(SDL_LIBSAMPLERATE_SHARED AND NOT HAVE_SDL_LOADSO) + message_warn("You must have SDL_LoadObject() support for dynamic libsamplerate loading") + endif() + FindLibraryAndSONAME("samplerate") + if(SDL_LIBSAMPLERATE_SHARED AND SAMPLERATE_LIB AND HAVE_SDL_LOADSO) + set(SDL_LIBSAMPLERATE_DYNAMIC "\"${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} ${X11_LIB}) + + check_c_source_compiles(" + #include + int main(int argc, char **argv) { + Display *display; + XEvent event; + XGenericEventCookie *cookie = &event.xcookie; + XNextEvent(display, &event); + XGetEventData(display, cookie); + XFreeEventData(display, cookie); + return 0; }" HAVE_XGENERICEVENT) + if(HAVE_XGENERICEVENT) + set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1) + endif() + + check_symbol_exists(XkbKeycodeToKeysym "X11/Xlib.h;X11/XKBlib.h" SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM) + + if(SDL_X11_XCURSOR AND HAVE_XCURSOR_H AND XCURSOR_LIB) + set(HAVE_X11_XCURSOR TRUE) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR "\"${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 ${XI_LIB}) + endif() + set(SDL_VIDEO_DRIVER_X11_XINPUT2 1) + + # Check for multitouch + check_c_source_compiles(" + #include + #include + #include + int event_type = XI_TouchBegin; + XITouchClassInfo *t; + Status XIAllowTouchEvents(Display *a,int b,unsigned int c,Window d,int f) { + return (Status)0; + } + int main(int argc, char **argv) { return 0; }" HAVE_XINPUT2_MULTITOUCH) + if(HAVE_XINPUT2_MULTITOUCH) + set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1) + endif() + endif() + + # check along with XInput2.h because we use Xfixes with XIBarrierReleasePointer + if(SDL_X11_XFIXES AND HAVE_XFIXES_H_ AND HAVE_XINPUT2_H) + check_c_source_compiles(" + #include + #include + #include + #include + BarrierEventID b; + int main(int argc, char **argv) { return 0; }" HAVE_XFIXES_H) + endif() + if(SDL_X11_XFIXES AND HAVE_XFIXES_H AND HAVE_XINPUT2_H AND XFIXES_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES "\"${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 + int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_VDK) + check_c_source_compiles(" + #define LINUX + #define EGL_API_FB + #include + 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} ${VIVANTE_VDK_LIBRARY}) + else() + list(APPEND SDL_CFLAGS -DLINUX -DEGL_API_FB) + list(APPEND EXTRA_LIBS EGL) + endif(HAVE_VIVANTE_VDK) + endif() + endif() +endmacro() + +# Requires: +# - nada +macro(CheckGLX) + if(SDL_OPENGL) + check_c_source_compiles(" + #include + int main(int argc, char** argv) { return 0; }" HAVE_OPENGL_GLX) + if(HAVE_OPENGL_GLX) + set(SDL_VIDEO_OPENGL_GLX 1) + endif() + endif() +endmacro() + +# Requires: +# - PkgCheckModules +macro(CheckEGL) + if (SDL_OPENGL OR SDL_OPENGLES) + pkg_check_modules(EGL egl) + set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} ${EGL_CFLAGS}") + check_c_source_compiles(" + #define EGL_API_FB + #define MESA_EGL_NO_X11_HEADERS + #define EGL_NO_X11 + #include + #include + 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 + #include + 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 + #include + 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 + #include + 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 + 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 + 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 + 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 + 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 + #include + int main(int argc, char **argv) { return 0; }" HAVE_PTHREADS_SEM) + if(HAVE_PTHREADS_SEM) + check_c_source_compiles(" + #include + #include + 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 + 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 + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + # include + # include + #else + # include + # include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #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 + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + # include + # include + #else + # include + # include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #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 "${USB_CFLAGS} -DUSBHID_UCR_DATA") + endif() + + check_c_source_compiles(" + #include + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + #include + #include + #else + #include + #include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #endif + int main(int argc, char **argv) { + report_desc_t d; + hid_start_parse(d, 1, 1); + return 0; + }" HAVE_USBHID_NEW) + if(HAVE_USBHID_NEW) + set(USB_CFLAGS "${USB_CFLAGS} -DUSBHID_NEW") + endif() + + check_c_source_compiles(" + #include + 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 + #include + 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 \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() -- cgit v1.2.3