PROJECT(freeglut) CMAKE_MINIMUM_REQUIRED(VERSION 2.6) # NOTE: On Windows and Cygwin, the dll's are placed in the # CMAKE_RUNTIME_OUTPUT_DIRECTORY, while their corresponding import # libraries end up in CMAKE_ARCHIVE_OUTPUT_DIRECTORY. On other # platforms, such as Linux, the shared libraries are put in # CMAKE_ARCHIVE_OUTPUT_DIRECTORY instead. # Static libraries end up in CMAKE_ARCHIVE_OUTPUT_DIRECTORY on all # platforms (unless SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin) SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib) # setup version numbers # TODO: Update these for each release! set(VERSION_MAJOR 3) set(VERSION_MINOR 0) set(VERSION_PATCH 0) # BUILD_SHARED_LIBS is already a standard CMake variable, but we need to # re-declare it here so it will show up in the GUI. # by default, we want to build both OPTION(BUILD_SHARED_LIBS "Build FreeGLUT shared library." ON) OPTION(BUILD_STATIC_LIBS "Build FreeGLUT static library." ON) # OpenGL ES support OPTION(FREEGLUT_GLES1 "Use OpenGL ES 1.x (requires EGL)" OFF) OPTION(FREEGLUT_GLES2 "Use OpenGL ES 2.x (requires EGL) (overrides BUILD_GLES1)" OFF) SET(FREEGLUT_HEADERS include/GL/freeglut.h include/GL/freeglut_ext.h include/GL/freeglut_std.h include/GL/glut.h ) SET(FREEGLUT_SRCS ${FREEGLUT_HEADERS} src/fg_callbacks.c src/fg_cursor.c src/fg_display.c src/fg_ext.c src/fg_font_data.c src/fg_gamemode.c src/fg_init.c src/fg_internal.h src/fg_input_devices.c src/fg_joystick.c src/fg_main.c src/fg_misc.c src/fg_overlay.c src/fg_spaceball.c src/fg_state.c src/fg_stroke_mono_roman.c src/fg_stroke_roman.c src/fg_structure.c src/fg_videoresize.c src/fg_window.c ) # TODO: OpenGL ES requires a compatible version of these files: IF(NOT FREEGLUT_GLES2 AND NOT FREEGLUT_GLES1) LIST(APPEND FREEGLUT_SRCS src/fg_font.c src/fg_geometry.c src/fg_menu.c src/fg_teapot.c ) ELSE() LIST(APPEND FREEGLUT_SRCS src/gles_stubs.c ) ENDIF() IF(WIN32) LIST(APPEND FREEGLUT_SRCS src/mswin/fg_cursor_mswin.c src/mswin/fg_display_mswin.c src/mswin/fg_ext_mswin.c src/mswin/fg_gamemode_mswin.c src/mswin/fg_init_mswin.c src/mswin/fg_internal_mswin.h src/mswin/fg_input_devices_mswin.c src/mswin/fg_joystick_mswin.c src/mswin/fg_main_mswin.c src/mswin/fg_menu_mswin.c src/mswin/fg_spaceball_mswin.c src/mswin/fg_state_mswin.c src/mswin/fg_structure_mswin.c src/mswin/fg_window_mswin.c ${CMAKE_BINARY_DIR}/freeglut.rc # generated below from freeglut.rc.in ) IF (MSVC AND NOT CMAKE_CL_64) # .def file only for 32bit Windows builds LIST(APPEND FREEGLUT_SRCS ${CMAKE_BINARY_DIR}/freeglutdll.def # generated below from src/freeglutdll.def.in ) ENDIF() ELSEIF(ANDROID) LIST(APPEND FREEGLUT_SRCS src/egl/fg_internal_egl.h src/egl/fg_display_egl.c src/egl/fg_init_egl.c src/egl/fg_structure_egl.c src/egl/fg_window_egl.c src/egl/fg_window_egl.h src/android/native_app_glue/android_native_app_glue.c src/android/native_app_glue/android_native_app_glue.h src/android/fg_runtime_android.c src/android/fg_gamemode_android.c src/android/fg_init_android.c src/android/fg_input_devices_android.c src/android/fg_joystick_android.c src/android/fg_main_android.c src/android/fg_spaceball_android.c src/android/fg_state_android.c src/android/fg_window_android.c src/android/fg_internal_android.h ) ELSE() LIST(APPEND FREEGLUT_SRCS src/x11/fg_cursor_x11.c src/x11/fg_display_x11.c src/x11/fg_ext_x11.c src/x11/fg_gamemode_x11.c src/x11/fg_glutfont_definitions_x11.c src/x11/fg_init_x11.c src/x11/fg_internal_x11.h src/x11/fg_input_devices_x11.c src/x11/fg_joystick_x11.c src/x11/fg_main_x11.c src/x11/fg_menu_x11.c src/x11/fg_spaceball_x11.c src/x11/fg_state_x11.c src/x11/fg_structure_x11.c src/x11/fg_window_x11.c src/x11/fg_xinput_x11.c ) ENDIF() # For OpenGL ES (GLES): # - compile with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly # bootstrap headers inclusion in freeglut_std.h; these constants # also need to be defined in client applications (e.g through # pkg-config), but use GLES constants directly for all other needs # - define GLES version-specific library IF(FREEGLUT_GLES2) ADD_DEFINITIONS(-DFREEGLUT_GLES2) LIST(APPEND LIBS GLESv2 EGL) ELSEIF(FREEGLUT_GLES1) ADD_DEFINITIONS(-DFREEGLUT_GLES1) LIST(APPEND LIBS GLESv1 EGL) ELSE() FIND_PACKAGE(OpenGL REQUIRED) LIST(APPEND LIBS ${OPENGL_gl_LIBRARY}) INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR}) ENDIF() # lib m for math, not needed on windows IF (NOT WIN32) LIST(APPEND LIBS m) ENDIF() IF(WIN32) # hide insecure CRT warnings, common practice ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS) ENDIF() if(UNIX AND NOT ANDROID) FIND_PACKAGE(X11 REQUIRED) LIST(APPEND LIBS ${X11_LIBRARIES}) IF(X11_Xrandr_FOUND) SET(HAVE_X11_EXTENSIONS_XRANDR_H TRUE) LIST(APPEND LIBS ${X11_Xrandr_LIB}) ENDIF() IF(X11_xf86vmode_FOUND) SET(HAVE_X11_EXTENSIONS_XF86VMODE_H TRUE) # Work-around http://www.cmake.org/Bug/bug_view_page.php?bug_id=6976 IF(NOT "${X11_Xxf86vm_LIB}") SET(X11_Xxf86vm_LIB "Xxf86vm") ENDIF() LIST(APPEND LIBS ${X11_Xxf86vm_LIB}) ENDIF() ENDIF() INCLUDE(CheckIncludeFiles) INCLUDE(CheckFunctionExists) INCLUDE(CheckTypeSize) CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H) CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H) CHECK_INCLUDE_FILES(sys/time.h HAVE_SYS_TIME_H) CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H) CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H) CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H) CHECK_INCLUDE_FILES(fcntl.h HAVE_FCNTL_H) CHECK_INCLUDE_FILES(errno.h HAVE_ERRNO_H) CHECK_INCLUDE_FILES(usbhid.h HAVE_USBHID_H) CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY) CHECK_FUNCTION_EXISTS(vfprintf HAVE_VFPRINTF) CHECK_FUNCTION_EXISTS(_doprnt HAVE_DOPRNT) CHECK_FUNCTION_EXISTS(XParseGeometry HAVE_XPARSEGEOMETRY) IF (NOT HAVE_XPARSEGEOMETRY) LIST(APPEND FREEGLUT_SRCS src/util/xparsegeometry_repl.c src/util/xparsegeometry_repl.h) SET(NEED_XPARSEGEOMETRY_IMPL TRUE) ENDIF() # decide on suitable type for internal time keeping, 64-bit if possible CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H) CHECK_INCLUDE_FILES(inttypes.h HAVE_INTTYPES_H) IF (NOT (HAVE_STDINT_H OR HAVE_INTTYPES_H)) IF (MSVC) # Some old Microsoft VC don't support unsigned long long, but all we # care about support unsigned __int64, so test for presence of that # type CHECK_TYPE_SIZE("unsigned __int64" U__INT64 BUILTIN_TYPES_ONLY) ELSEIF() CHECK_TYPE_SIZE("unsigned long long" ULONG_LONG BUILTIN_TYPES_ONLY) ENDIF() ENDIF() # The generated config.h is placed in the project's build directory, just to # ensure that all CMake-generated files are kept away from the main source tree. # As a result, the build directory must to be added to the include path list. CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_BINARY_DIR}/config.h) INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src) ADD_DEFINITIONS(-DHAVE_CONFIG_H) IF(WIN32) # we also have to generate freeglut.rc, which contains the version # number CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.rc.in ${CMAKE_BINARY_DIR}/freeglut.rc) IF (MSVC AND NOT CMAKE_CL_64) # .def file only for 32bit Windows builds with Visual Studio CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/src/freeglutdll.def.in ${CMAKE_BINARY_DIR}/freeglutdll.def) ENDIF() ENDIF() IF(BUILD_SHARED_LIBS) ADD_LIBRARY(freeglut SHARED ${FREEGLUT_SRCS}) ENDIF() IF(BUILD_STATIC_LIBS) ADD_LIBRARY(freeglut_static STATIC ${FREEGLUT_SRCS}) ENDIF() IF(WIN32) LIST(APPEND LIBS winmm) IF(BUILD_SHARED_LIBS) SET_TARGET_PROPERTIES(freeglut PROPERTIES COMPILE_FLAGS -DFREEGLUT_EXPORTS) ENDIF() IF(BUILD_STATIC_LIBS) SET_TARGET_PROPERTIES(freeglut_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC) # need to set machine:x64 for linker, at least for VC10, and # doesn't hurt for older compilers: # http://public.kitware.com/Bug/view.php?id=11240#c22768 IF (CMAKE_CL_64) SET_TARGET_PROPERTIES(freeglut_static PROPERTIES STATIC_LIBRARY_FLAGS "/machine:x64") ENDIF() ENDIF() ELSE() # on UNIX we need to make sure: # - all shared libraries must have a soname/version, see : # http://sourceware.org/autobook/autobook/autobook_91.html#SEC91 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html # Current: -version-info 12:0:9 -> 3.9.0 # - the output library should be named glut so it'll be linkable with -lglut # - the shared library should link to the dependency libraries so that the user # won't have to link them explicitly (they shouldn't have to know that we depend # on Xrandr or Xxf86vm) SET_TARGET_PROPERTIES(freeglut PROPERTIES VERSION 3.9.0 SOVERSION 3 OUTPUT_NAME glut) SET_TARGET_PROPERTIES(freeglut_static PROPERTIES OUTPUT_NAME glut) IF(ANDROID) # Not in CMake toolchain file, because the toolchain # file is called several times and generally doesn't # seem to be meant for modifying CFLAGS: # '-mandroid' is not mandatory but doesn't hurt # '-O0 -gstabs+' helps the currently buggy GDB port # Too late to manipulate ENV: SET(ENV{CFLAGS} "$ENV{CFLAGS} -mandroid") # Not using _INIT variables, they seem to be used internally only SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mandroid") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -gstabs+") ENDIF() ENDIF() IF(BUILD_SHARED_LIBS) TARGET_LINK_LIBRARIES(freeglut ${LIBS}) ENDIF() IF(BUILD_STATIC_LIBS) TARGET_LINK_LIBRARIES(freeglut_static ${LIBS}) ENDIF() IF(BUILD_SHARED_LIBS) INSTALL(TARGETS freeglut DESTINATION lib) ENDIF() IF(BUILD_STATIC_LIBS) INSTALL(TARGETS freeglut_static DESTINATION lib) ENDIF() INSTALL(FILES ${FREEGLUT_HEADERS} DESTINATION include/GL) # Optionally build demos, on by default. option( FREEGLUT_BUILD_DEMOS "Build FreeGLUT demos." ON ) SET(DEMO_LIBS ${OPENGL_glu_LIBRARY} ${LIBS}) # lib m for math, not needed on windows IF (NOT WIN32) LIST(APPEND DEMO_LIBS m) ENDIF() MACRO(ADD_DEMO name) IF( FREEGLUT_BUILD_DEMOS ) IF(BUILD_SHARED_LIBS) ADD_EXECUTABLE(${name} ${ARGN}) TARGET_LINK_LIBRARIES(${name} ${DEMO_LIBS} freeglut) ENDIF() IF(BUILD_STATIC_LIBS) ADD_EXECUTABLE(${name}_static ${ARGN}) TARGET_LINK_LIBRARIES(${name}_static ${DEMO_LIBS} freeglut_static) SET_TARGET_PROPERTIES(${name}_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC) ENDIF() ENDIF() ENDMACRO() ADD_DEMO(CallbackMaker progs/demos/CallbackMaker/CallbackMaker.c) ADD_DEMO(Fractals progs/demos/Fractals/fractals.c) ADD_DEMO(Fractals_random progs/demos/Fractals_random/fractals_random.c) ADD_DEMO(Lorenz progs/demos/Lorenz/lorenz.c) ADD_DEMO(One progs/demos/One/one.c) ADD_DEMO(Resizer progs/demos/Resizer/Resizer.cpp) ADD_DEMO(shapes progs/demos/shapes/shapes.c) ADD_DEMO(smooth_opengl3 progs/demos/smooth_opengl3/smooth_opengl3.c) ADD_DEMO(spaceball progs/demos/spaceball/spaceball.c progs/demos/spaceball/vmath.c progs/demos/spaceball/vmath.h) ADD_DEMO(subwin progs/demos/subwin/subwin.c) ADD_DEMO(timer progs/demos/timer/timer.c) # finally, if any demos are built, copy needed files to output directory # (currently, thats just the input file for the Fractals demo) IF(FREEGLUT_BUILD_DEMOS) # 1) copy fractals.dat from freeglut/progs/demos/Fractals IF(BUILD_SHARED_LIBS) SET(Frac_target Fractals) ELSE() SET(Frac_target Fractals_static) ENDIF() GET_TARGET_PROPERTY(DEMO_OUTPUT_DIRECTORY ${Frac_target} RUNTIME_OUTPUT_DIRECTORY) ADD_CUSTOM_COMMAND( TARGET ${Frac_target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/progs/demos/Fractals/fractals.dat ${DEMO_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR} ) ENDIF() # pkg-config support, to install at $(libdir)/pkgconfig # Define static build dependencies IF(WIN32) SET(PC_LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32") ELSEIF(ANDROID) SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL") ELSE() SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL") ENDIF() # Client applications need to define FreeGLUT GLES version to # bootstrap headers inclusion in freeglut_std.h: IF(FREEGLUT_GLES2) SET(PC_CFLAGS "-DFREEGLUT_GLES2") ELSEIF(FREEGLUT_GLES1) SET(PC_CFLAGS "-DFREEGLUT_GLES1") ENDIF() CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY) INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION share/pkgconfig) # TODO: change the library and .pc name when building for GLES, # e.g. -lglut-GLES2