Add support for X11+EGL.
[freeglut] / CMakeLists.txt
1 PROJECT(freeglut)
2 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
3
4 # NOTE: On Windows and Cygwin, the dll's are placed in the
5 # CMAKE_RUNTIME_OUTPUT_DIRECTORY, while their corresponding import
6 # libraries end up in CMAKE_ARCHIVE_OUTPUT_DIRECTORY. On other
7 # platforms, such as Linux, the shared libraries are put in
8 # CMAKE_ARCHIVE_OUTPUT_DIRECTORY instead.
9 # Static libraries end up in CMAKE_ARCHIVE_OUTPUT_DIRECTORY on all
10 # platforms (unless 
11 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
12 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
13
14 # setup version numbers
15 # TODO: Update these for each release!
16 set(VERSION_MAJOR 3)
17 set(VERSION_MINOR 0)
18 set(VERSION_PATCH 0)
19
20
21 # BUILD_SHARED_LIBS is already a standard CMake variable, but we need to
22 # re-declare it here so it will show up in the GUI.
23 # by default, we want to build both
24 OPTION(BUILD_SHARED_LIBS "Build FreeGLUT shared library." ON)
25 OPTION(BUILD_STATIC_LIBS "Build FreeGLUT static library." ON)
26
27 # OpenGL ES support
28 OPTION(FREEGLUT_GLES1 "Use OpenGL ES 1.x (requires EGL)" OFF)
29 OPTION(FREEGLUT_GLES2 "Use OpenGL ES 2.x (requires EGL) (overrides BUILD_GLES1)" OFF)
30
31
32 SET(FREEGLUT_HEADERS
33     include/GL/freeglut.h
34     include/GL/freeglut_ext.h
35     include/GL/freeglut_std.h
36     include/GL/glut.h
37 )
38 SET(FREEGLUT_SRCS
39     ${FREEGLUT_HEADERS}
40     src/fg_callbacks.c
41     src/fg_cursor.c
42     src/fg_display.c
43     src/fg_ext.c
44     src/fg_font_data.c
45     src/fg_gamemode.c
46     src/fg_init.c
47     src/fg_internal.h
48     src/fg_input_devices.c
49     src/fg_joystick.c
50     src/fg_main.c
51     src/fg_misc.c
52     src/fg_overlay.c
53     src/fg_spaceball.c
54     src/fg_state.c
55     src/fg_stroke_mono_roman.c
56     src/fg_stroke_roman.c
57     src/fg_structure.c
58     src/fg_videoresize.c
59     src/fg_window.c
60 )
61 # TODO: OpenGL ES requires a compatible version of these files:
62 IF(NOT FREEGLUT_GLES2 AND NOT FREEGLUT_GLES1)
63     LIST(APPEND FREEGLUT_SRCS
64         src/fg_font.c
65         src/fg_geometry.c
66         src/fg_menu.c
67         src/fg_teapot.c
68         src/fg_teapot_data.h
69     )
70 ELSE()
71     LIST(APPEND FREEGLUT_SRCS
72         src/gles_stubs.c
73     )
74 ENDIF()
75
76 IF(WIN32)
77     LIST(APPEND FREEGLUT_SRCS
78         src/mswin/fg_cursor_mswin.c
79         src/mswin/fg_display_mswin.c
80         src/mswin/fg_ext_mswin.c
81         src/mswin/fg_gamemode_mswin.c
82         src/mswin/fg_init_mswin.c
83         src/mswin/fg_internal_mswin.h
84         src/mswin/fg_input_devices_mswin.c
85         src/mswin/fg_joystick_mswin.c
86         src/mswin/fg_main_mswin.c
87         src/mswin/fg_menu_mswin.c
88         src/mswin/fg_spaceball_mswin.c
89         src/mswin/fg_state_mswin.c
90         src/mswin/fg_structure_mswin.c
91         src/mswin/fg_window_mswin.c
92         ${CMAKE_BINARY_DIR}/freeglut.rc # generated below from freeglut.rc.in
93     )
94     IF (MSVC AND NOT CMAKE_CL_64)
95         # .def file only for 32bit Windows builds
96         LIST(APPEND FREEGLUT_SRCS
97             ${CMAKE_BINARY_DIR}/freeglutdll.def # generated below from src/freeglutdll.def.in
98         )
99     ENDIF()
100
101 ELSEIF(ANDROID)
102     LIST(APPEND FREEGLUT_SRCS
103         src/egl/fg_internal_egl.h
104         src/egl/fg_display_egl.c
105         src/egl/fg_init_egl.c
106         src/egl/fg_state_egl.c
107         src/egl/fg_structure_egl.c
108         src/egl/fg_structure_egl.h
109         src/egl/fg_window_egl.c
110         src/egl/fg_window_egl.h
111         src/android/native_app_glue/android_native_app_glue.c
112         src/android/native_app_glue/android_native_app_glue.h
113         src/android/fg_runtime_android.c
114         src/android/fg_gamemode_android.c
115         src/android/fg_structure_android.c
116         src/android/fg_init_android.c
117         src/android/fg_input_devices_android.c
118         src/android/fg_joystick_android.c
119         src/android/fg_main_android.c
120         src/android/fg_spaceball_android.c
121         src/android/fg_state_android.c
122         src/android/fg_window_android.c
123         src/android/fg_internal_android.h
124     )
125 ELSE()
126     LIST(APPEND FREEGLUT_SRCS
127         src/x11/fg_cursor_x11.c
128         src/x11/fg_ext_x11.c
129         src/x11/fg_gamemode_x11.c
130         src/x11/fg_glutfont_definitions_x11.c
131         src/x11/fg_init_x11.c
132         src/x11/fg_internal_x11.h
133         src/x11/fg_input_devices_x11.c
134         src/x11/fg_joystick_x11.c
135         src/x11/fg_main_x11.c
136         src/x11/fg_menu_x11.c
137         src/x11/fg_spaceball_x11.c
138         src/x11/fg_state_x11.c
139         src/x11/fg_structure_x11.c
140         src/x11/fg_window_x11.c
141         src/x11/fg_xinput_x11.c
142     )
143     IF(FREEGLUT_GLES2 OR FREEGLUT_GLES1)
144         LIST(APPEND FREEGLUT_SRCS
145             src/egl/fg_internal_egl.h
146             src/egl/fg_display_egl.c
147             src/egl/fg_init_egl.c
148             src/egl/fg_state_egl.c
149             src/egl/fg_structure_egl.c
150             src/egl/fg_window_egl.c
151         )
152     ELSE()
153         LIST(APPEND FREEGLUT_SRCS
154             src/x11/fg_internal_x11_glx.h
155             src/x11/fg_display_x11_glx.c
156             src/x11/fg_state_x11_glx.c
157             src/x11/fg_window_x11_glx.c
158             src/x11/fg_window_x11_glx.h
159         )
160     ENDIF()
161 ENDIF()
162
163 # For OpenGL ES (GLES):
164 # - compile with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly
165 #   bootstrap headers inclusion in freeglut_std.h; these constants
166 #   also need to be defined in client applications (e.g through
167 #   pkg-config), but use GLES constants directly for all other needs
168 # - define GLES version-specific library
169 IF(FREEGLUT_GLES2)
170   ADD_DEFINITIONS(-DFREEGLUT_GLES2)
171   LIST(APPEND LIBS GLESv2 EGL)
172 ELSEIF(FREEGLUT_GLES1)
173   ADD_DEFINITIONS(-DFREEGLUT_GLES1)
174   LIST(APPEND LIBS GLESv1_CM EGL)
175 ELSE()
176   FIND_PACKAGE(OpenGL REQUIRED)
177   LIST(APPEND LIBS ${OPENGL_gl_LIBRARY})
178   INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
179 ENDIF()
180
181 # lib m for math, not needed on windows
182 IF (NOT WIN32)
183     LIST(APPEND LIBS m)
184 ENDIF()
185
186 IF(WIN32)
187     # hide insecure CRT warnings, common practice
188     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
189 ENDIF()
190
191 if(UNIX AND NOT ANDROID)
192     FIND_PACKAGE(X11 REQUIRED)
193     LIST(APPEND LIBS ${X11_LIBRARIES})
194     IF(X11_Xrandr_FOUND)
195         SET(HAVE_X11_EXTENSIONS_XRANDR_H TRUE)
196         LIST(APPEND LIBS ${X11_Xrandr_LIB})
197     ENDIF()
198     IF(X11_xf86vmode_FOUND)
199         SET(HAVE_X11_EXTENSIONS_XF86VMODE_H TRUE)
200         # Work-around http://www.cmake.org/Bug/bug_view_page.php?bug_id=6976
201         IF(NOT "${X11_Xxf86vm_LIB}")
202             SET(X11_Xxf86vm_LIB "Xxf86vm")
203         ENDIF()
204         LIST(APPEND LIBS ${X11_Xxf86vm_LIB})
205     ENDIF()
206 ENDIF()
207
208 INCLUDE(CheckIncludeFiles)
209 INCLUDE(CheckFunctionExists)
210 INCLUDE(CheckTypeSize)
211 CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
212 CHECK_INCLUDE_FILES(unistd.h    HAVE_UNISTD_H)
213 CHECK_INCLUDE_FILES(sys/time.h  HAVE_SYS_TIME_H)
214 CHECK_INCLUDE_FILES(stdbool.h   HAVE_STDBOOL_H)
215 CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
216 CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
217 CHECK_INCLUDE_FILES(fcntl.h     HAVE_FCNTL_H)
218 CHECK_INCLUDE_FILES(errno.h     HAVE_ERRNO_H)
219 CHECK_INCLUDE_FILES(usbhid.h    HAVE_USBHID_H)
220 CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
221 CHECK_FUNCTION_EXISTS(vfprintf  HAVE_VFPRINTF)
222 CHECK_FUNCTION_EXISTS(_doprnt   HAVE_DOPRNT)
223 CHECK_FUNCTION_EXISTS(XParseGeometry   HAVE_XPARSEGEOMETRY)
224 IF (NOT HAVE_XPARSEGEOMETRY)
225    LIST(APPEND FREEGLUT_SRCS
226         src/util/xparsegeometry_repl.c
227         src/util/xparsegeometry_repl.h)
228    SET(NEED_XPARSEGEOMETRY_IMPL TRUE)
229 ENDIF()
230 # decide on suitable type for internal time keeping, 64-bit if possible
231 CHECK_INCLUDE_FILES(stdint.h    HAVE_STDINT_H)
232 CHECK_INCLUDE_FILES(inttypes.h  HAVE_INTTYPES_H)
233 IF (NOT (HAVE_STDINT_H OR HAVE_INTTYPES_H))
234     IF (MSVC)
235         # Some old Microsoft VC don't support unsigned long long, but all we
236         # care about support unsigned __int64, so test for presence of that
237         # type
238         CHECK_TYPE_SIZE("unsigned __int64" U__INT64 BUILTIN_TYPES_ONLY)
239     ELSEIF()
240         CHECK_TYPE_SIZE("unsigned long long" ULONG_LONG BUILTIN_TYPES_ONLY)
241     ENDIF()
242 ENDIF()
243
244
245 # The generated config.h is placed in the project's build directory, just to
246 # ensure that all CMake-generated files are kept away from the main source tree.
247 # As a result, the build directory must to be added to the include path list.
248 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_BINARY_DIR}/config.h)
249 INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src)
250 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
251 IF(WIN32)
252     # we also have to generate freeglut.rc, which contains the version
253     # number
254     CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.rc.in ${CMAKE_BINARY_DIR}/freeglut.rc)
255     IF (MSVC AND NOT CMAKE_CL_64)
256         # .def file only for 32bit Windows builds with Visual Studio
257         CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/src/freeglutdll.def.in ${CMAKE_BINARY_DIR}/freeglutdll.def)
258     ENDIF()
259 ENDIF()
260
261 IF(BUILD_SHARED_LIBS)
262     ADD_LIBRARY(freeglut SHARED ${FREEGLUT_SRCS})
263 ENDIF()
264 IF(BUILD_STATIC_LIBS)
265     ADD_LIBRARY(freeglut_static STATIC ${FREEGLUT_SRCS})
266 ENDIF()
267
268
269 IF(WIN32)
270     LIST(APPEND LIBS winmm)
271     IF(BUILD_SHARED_LIBS)
272         SET_TARGET_PROPERTIES(freeglut PROPERTIES COMPILE_FLAGS -DFREEGLUT_EXPORTS)
273     ENDIF()
274     IF(BUILD_STATIC_LIBS)
275         SET_TARGET_PROPERTIES(freeglut_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
276         # need to set machine:x64 for linker, at least for VC10, and
277         # doesn't hurt for older compilers:
278         # http://public.kitware.com/Bug/view.php?id=11240#c22768
279         IF (CMAKE_CL_64)
280             SET_TARGET_PROPERTIES(freeglut_static PROPERTIES STATIC_LIBRARY_FLAGS "/machine:x64")
281         ENDIF()
282     ENDIF()
283 ELSE()
284     # on UNIX we need to make sure:
285     # - all shared libraries must have a soname/version, see :
286     #   http://sourceware.org/autobook/autobook/autobook_91.html#SEC91
287     #   http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
288     #   Current: -version-info 12:0:9 -> 3.9.0
289     # - the output library should be named glut so it'll be linkable with -lglut
290     # - the shared library should link to the dependency libraries so that the user
291     #   won't have to link them explicitly (they shouldn't have to know that we depend
292     #   on Xrandr or Xxf86vm)
293     SET_TARGET_PROPERTIES(freeglut PROPERTIES VERSION 3.9.0 SOVERSION 3 OUTPUT_NAME glut)
294     SET_TARGET_PROPERTIES(freeglut_static PROPERTIES OUTPUT_NAME glut)
295     IF(ANDROID)
296         # Not in CMake toolchain file, because the toolchain
297         # file is called several times and generally doesn't
298         # seem to be meant for modifying CFLAGS:
299         # '-mandroid' is not mandatory but doesn't hurt
300         # '-O0 -gstabs+' helps the currently buggy GDB port
301         # Too late to manipulate ENV: SET(ENV{CFLAGS} "$ENV{CFLAGS} -mandroid")
302         # Not using _INIT variables, they seem to be used internally only
303         SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mandroid")
304         SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -gstabs+")
305     ENDIF()
306 ENDIF()
307 IF(BUILD_SHARED_LIBS)
308     TARGET_LINK_LIBRARIES(freeglut ${LIBS})
309 ENDIF()
310 IF(BUILD_STATIC_LIBS)
311     TARGET_LINK_LIBRARIES(freeglut_static ${LIBS})
312 ENDIF()
313
314 IF(BUILD_SHARED_LIBS)
315     INSTALL(TARGETS freeglut DESTINATION lib)
316 ENDIF()
317 IF(BUILD_STATIC_LIBS)
318     INSTALL(TARGETS freeglut_static DESTINATION lib)
319 ENDIF()
320 INSTALL(FILES ${FREEGLUT_HEADERS} DESTINATION include/GL)
321
322
323
324 # Optionally build demos, on by default.
325 option( FREEGLUT_BUILD_DEMOS "Build FreeGLUT demos." ON )
326
327 SET(DEMO_LIBS ${OPENGL_glu_LIBRARY} ${LIBS})
328 # lib m for math, not needed on windows
329 IF (NOT WIN32)
330     LIST(APPEND DEMO_LIBS m)
331 ENDIF()
332
333 MACRO(ADD_DEMO name)
334     IF( FREEGLUT_BUILD_DEMOS )
335         IF(BUILD_SHARED_LIBS)
336             ADD_EXECUTABLE(${name} ${ARGN})
337             TARGET_LINK_LIBRARIES(${name} ${DEMO_LIBS} freeglut)
338         ENDIF()
339         IF(BUILD_STATIC_LIBS)
340             ADD_EXECUTABLE(${name}_static ${ARGN})
341             TARGET_LINK_LIBRARIES(${name}_static ${DEMO_LIBS} freeglut_static)
342             SET_TARGET_PROPERTIES(${name}_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
343         ENDIF()
344     ENDIF()
345 ENDMACRO()
346
347 ADD_DEMO(CallbackMaker   progs/demos/CallbackMaker/CallbackMaker.c)
348 ADD_DEMO(Fractals        progs/demos/Fractals/fractals.c)
349 ADD_DEMO(Fractals_random progs/demos/Fractals_random/fractals_random.c)
350 ADD_DEMO(Lorenz          progs/demos/Lorenz/lorenz.c)
351 ADD_DEMO(One             progs/demos/One/one.c)
352 ADD_DEMO(Resizer         progs/demos/Resizer/Resizer.cpp)
353 ADD_DEMO(shapes          progs/demos/shapes/shapes.c)
354 ADD_DEMO(smooth_opengl3  progs/demos/smooth_opengl3/smooth_opengl3.c)
355 ADD_DEMO(spaceball       progs/demos/spaceball/spaceball.c
356                          progs/demos/spaceball/vmath.c
357                          progs/demos/spaceball/vmath.h)
358 ADD_DEMO(subwin          progs/demos/subwin/subwin.c)
359 ADD_DEMO(timer           progs/demos/timer/timer.c)
360
361 # finally, if any demos are built, copy needed files to output directory
362 # (currently, thats just the input file for the Fractals demo)
363 IF(FREEGLUT_BUILD_DEMOS)
364     # 1) copy fractals.dat from freeglut/progs/demos/Fractals
365     IF(BUILD_SHARED_LIBS)
366         SET(Frac_target Fractals)
367     ELSE()
368         SET(Frac_target Fractals_static)
369     ENDIF()
370     GET_TARGET_PROPERTY(DEMO_OUTPUT_DIRECTORY ${Frac_target} RUNTIME_OUTPUT_DIRECTORY)
371     ADD_CUSTOM_COMMAND(
372         TARGET ${Frac_target}
373         POST_BUILD
374         COMMAND ${CMAKE_COMMAND} -E copy
375         ${PROJECT_SOURCE_DIR}/progs/demos/Fractals/fractals.dat
376         ${DEMO_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR}
377     )
378 ENDIF()
379
380 # pkg-config support, to install at $(libdir)/pkgconfig
381 # Define static build dependencies
382 IF(WIN32)
383   SET(PC_LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32 -lm")
384 ELSEIF(FREEGLUT_GLES2)
385   IF(ANDROID)
386     SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL -lm")
387   ELSE()
388     SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL -lm")
389   ENDIF()
390 ELSEIF(FREEGLUT_GLES1)
391   IF(ANDROID)
392     SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv1_CM -lEGL -lm")
393   ELSE()
394     SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv1_CM -lEGL -lm")
395   ENDIF()
396 ELSE()
397   SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGL -lm")
398 ENDIF()
399 # Client applications need to define FreeGLUT GLES version to
400 # bootstrap headers inclusion in freeglut_std.h:
401 IF(FREEGLUT_GLES2)
402   SET(PC_CFLAGS "-DFREEGLUT_GLES2")
403 ELSEIF(FREEGLUT_GLES1)
404   SET(PC_CFLAGS "-DFREEGLUT_GLES1")
405 ENDIF()
406 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY)
407 INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION share/pkgconfig)
408 # TODO: change the library and .pc name when building for GLES,
409 # e.g. -lglut-GLES2