EGL: make more code reusable - less Android-specific
[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     )
69 ENDIF()
70
71 IF(WIN32)
72     LIST(APPEND FREEGLUT_SRCS
73         src/mswin/fg_cursor_mswin.c
74         src/mswin/fg_display_mswin.c
75         src/mswin/fg_ext_mswin.c
76         src/mswin/fg_gamemode_mswin.c
77         src/mswin/fg_init_mswin.c
78         src/mswin/fg_internal_mswin.h
79         src/mswin/fg_input_devices_mswin.c
80         src/mswin/fg_joystick_mswin.c
81         src/mswin/fg_main_mswin.c
82         src/mswin/fg_menu_mswin.c
83         src/mswin/fg_spaceball_mswin.c
84         src/mswin/fg_state_mswin.c
85         src/mswin/fg_structure_mswin.c
86         src/mswin/fg_window_mswin.c
87         ${CMAKE_BINARY_DIR}/freeglut.rc # generated below from freeglut.rc.in
88     )
89     IF (MSVC AND NOT CMAKE_CL_64)
90         # .def file only for 32bit Windows builds
91         LIST(APPEND FREEGLUT_SRCS
92             ${CMAKE_BINARY_DIR}/freeglutdll.def # generated below from src/freeglutdll.def.in
93         )
94     ENDIF()
95
96 ELSEIF(ANDROID)
97     LIST(APPEND FREEGLUT_SRCS
98         src/egl/fg_internal_egl.h
99         src/egl/fg_display_egl.c
100         src/egl/fg_init_egl.c
101         src/egl/fg_structure_egl.c
102         src/egl/fg_window_egl.c
103         src/egl/fg_window_egl.h
104         src/android/native_app_glue/android_native_app_glue.c
105         src/android/native_app_glue/android_native_app_glue.h
106         src/android/fg_runtime_android.c
107         src/android/fg_gamemode_android.c
108         src/android/fg_init_android.c
109         src/android/fg_input_devices_android.c
110         src/android/fg_joystick_android.c
111         src/android/fg_main_android.c
112         src/android/fg_spaceball_android.c
113         src/android/fg_state_android.c
114         src/android/fg_window_android.c
115         src/android/opengles_stubs.c
116         src/android/fg_internal_android.h
117     )
118 ELSE()
119     LIST(APPEND FREEGLUT_SRCS
120         src/x11/fg_cursor_x11.c
121         src/x11/fg_display_x11.c
122         src/x11/fg_ext_x11.c
123         src/x11/fg_gamemode_x11.c
124         src/x11/fg_glutfont_definitions_x11.c
125         src/x11/fg_init_x11.c
126         src/x11/fg_internal_x11.h
127         src/x11/fg_input_devices_x11.c
128         src/x11/fg_joystick_x11.c
129         src/x11/fg_main_x11.c
130         src/x11/fg_menu_x11.c
131         src/x11/fg_spaceball_x11.c
132         src/x11/fg_state_x11.c
133         src/x11/fg_structure_x11.c
134         src/x11/fg_window_x11.c
135         src/x11/fg_xinput_x11.c
136     )
137 ENDIF()
138
139 # For OpenGL ES (GLES):
140 # - compile with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly
141 #   bootstrap headers inclusion in freeglut_std.h; these constants
142 #   also need to be defined in client applications (e.g through
143 #   pkg-config), but use GLES constants directly for all other needs
144 # - define GLES version-specific library
145 IF(FREEGLUT_GLES2)
146   ADD_DEFINITIONS(-DFREEGLUT_GLES2)
147   LIST(APPEND LIBS GLESv2 EGL)
148 ELSEIF(FREEGLUT_GLES1)
149   ADD_DEFINITIONS(-DFREEGLUT_GLES1)
150   LIST(APPEND LIBS GLESv1 EGL)
151 ELSE()
152   FIND_PACKAGE(OpenGL REQUIRED)
153   LIST(APPEND LIBS ${OPENGL_gl_LIBRARY})
154   INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
155 ENDIF()
156
157 # lib m for math, not needed on windows
158 IF (NOT WIN32)
159     LIST(APPEND LIBS m)
160 ENDIF()
161
162 IF(WIN32)
163     # hide insecure CRT warnings, common practice
164     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
165 ENDIF()
166
167 if(UNIX AND NOT ANDROID)
168     FIND_PACKAGE(X11 REQUIRED)
169     LIST(APPEND LIBS ${X11_LIBRARIES})
170     IF(X11_Xrandr_FOUND)
171         SET(HAVE_X11_EXTENSIONS_XRANDR_H TRUE)
172         LIST(APPEND LIBS ${X11_Xrandr_LIB})
173     ENDIF()
174     IF(X11_xf86vmode_FOUND)
175         SET(HAVE_X11_EXTENSIONS_XF86VMODE_H TRUE)
176         # Work-around http://www.cmake.org/Bug/bug_view_page.php?bug_id=6976
177         IF(NOT "${X11_Xxf86vm_LIB}")
178             SET(X11_Xxf86vm_LIB "Xxf86vm")
179         ENDIF()
180         LIST(APPEND LIBS ${X11_Xxf86vm_LIB})
181     ENDIF()
182 ENDIF()
183
184 INCLUDE(CheckIncludeFiles)
185 INCLUDE(CheckFunctionExists)
186 INCLUDE(CheckTypeSize)
187 CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
188 CHECK_INCLUDE_FILES(unistd.h    HAVE_UNISTD_H)
189 CHECK_INCLUDE_FILES(sys/time.h  HAVE_SYS_TIME_H)
190 CHECK_INCLUDE_FILES(stdbool.h   HAVE_STDBOOL_H)
191 CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
192 CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
193 CHECK_INCLUDE_FILES(fcntl.h     HAVE_FCNTL_H)
194 CHECK_INCLUDE_FILES(errno.h     HAVE_ERRNO_H)
195 CHECK_INCLUDE_FILES(usbhid.h    HAVE_USBHID_H)
196 CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
197 CHECK_FUNCTION_EXISTS(vfprintf  HAVE_VFPRINTF)
198 CHECK_FUNCTION_EXISTS(_doprnt   HAVE_DOPRNT)
199 CHECK_FUNCTION_EXISTS(XParseGeometry   HAVE_XPARSEGEOMETRY)
200 IF (NOT HAVE_XPARSEGEOMETRY)
201    LIST(APPEND FREEGLUT_SRCS
202         src/util/xparsegeometry_repl.c
203         src/util/xparsegeometry_repl.h)
204    SET(NEED_XPARSEGEOMETRY_IMPL TRUE)
205 ENDIF()
206 # decide on suitable type for internal time keeping, 64-bit if possible
207 CHECK_INCLUDE_FILES(stdint.h    HAVE_STDINT_H)
208 CHECK_INCLUDE_FILES(inttypes.h  HAVE_INTTYPES_H)
209 IF (NOT (HAVE_STDINT_H OR HAVE_INTTYPES_H))
210     IF (MSVC)
211         # Some old Microsoft VC don't support unsigned long long, but all we
212         # care about support unsigned __int64, so test for presence of that
213         # type
214         CHECK_TYPE_SIZE("unsigned __int64" U__INT64 BUILTIN_TYPES_ONLY)
215     ELSEIF()
216         CHECK_TYPE_SIZE("unsigned long long" ULONG_LONG BUILTIN_TYPES_ONLY)
217     ENDIF()
218 ENDIF()
219
220
221 # The generated config.h is placed in the project's build directory, just to
222 # ensure that all CMake-generated files are kept away from the main source tree.
223 # As a result, the build directory must to be added to the include path list.
224 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_BINARY_DIR}/config.h)
225 INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src)
226 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
227 IF(WIN32)
228     # we also have to generate freeglut.rc, which contains the version
229     # number
230     CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.rc.in ${CMAKE_BINARY_DIR}/freeglut.rc)
231     IF (MSVC AND NOT CMAKE_CL_64)
232         # .def file only for 32bit Windows builds with Visual Studio
233         CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/src/freeglutdll.def.in ${CMAKE_BINARY_DIR}/freeglutdll.def)
234     ENDIF()
235 ENDIF()
236
237 IF(BUILD_SHARED_LIBS)
238     ADD_LIBRARY(freeglut SHARED ${FREEGLUT_SRCS})
239 ENDIF()
240 IF(BUILD_STATIC_LIBS)
241     ADD_LIBRARY(freeglut_static STATIC ${FREEGLUT_SRCS})
242 ENDIF()
243
244
245 IF(WIN32)
246     LIST(APPEND LIBS winmm)
247     IF(BUILD_SHARED_LIBS)
248         SET_TARGET_PROPERTIES(freeglut PROPERTIES COMPILE_FLAGS -DFREEGLUT_EXPORTS)
249     ENDIF()
250     IF(BUILD_STATIC_LIBS)
251         SET_TARGET_PROPERTIES(freeglut_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
252         # need to set machine:x64 for linker, at least for VC10, and
253         # doesn't hurt for older compilers:
254         # http://public.kitware.com/Bug/view.php?id=11240#c22768
255         IF (CMAKE_CL_64)
256             SET_TARGET_PROPERTIES(freeglut_static PROPERTIES STATIC_LIBRARY_FLAGS "/machine:x64")
257         ENDIF()
258     ENDIF()
259 ELSE()
260     # on UNIX we need to make sure:
261     # - all shared libraries must have a soname/version, see :
262     #   http://sourceware.org/autobook/autobook/autobook_91.html#SEC91
263     #   http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
264     #   Current: -version-info 12:0:9 -> 3.9.0
265     # - the output library should be named glut so it'll be linkable with -lglut
266     # - the shared library should link to the dependency libraries so that the user
267     #   won't have to link them explicitly (they shouldn't have to know that we depend
268     #   on Xrandr or Xxf86vm)
269     SET_TARGET_PROPERTIES(freeglut PROPERTIES VERSION 3.9.0 SOVERSION 3 OUTPUT_NAME glut)
270     SET_TARGET_PROPERTIES(freeglut_static PROPERTIES OUTPUT_NAME glut)
271     IF(ANDROID)
272         # Not in CMake toolchain file, because the toolchain
273         # file is called several times and generally doesn't
274         # seem to be meant for modifying CFLAGS:
275         # '-mandroid' is not mandatory but doesn't hurt
276         # '-O0 -gstabs+' helps the currently buggy GDB port
277         # Too late to manipulate ENV: SET(ENV{CFLAGS} "$ENV{CFLAGS} -mandroid")
278         # Not using _INIT variables, they seem to be used internally only
279         SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mandroid")
280         SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -gstabs+")
281     ENDIF()
282 ENDIF()
283 IF(BUILD_SHARED_LIBS)
284     TARGET_LINK_LIBRARIES(freeglut ${LIBS})
285 ENDIF()
286 IF(BUILD_STATIC_LIBS)
287     TARGET_LINK_LIBRARIES(freeglut_static ${LIBS})
288 ENDIF()
289
290 IF(BUILD_SHARED_LIBS)
291     INSTALL(TARGETS freeglut DESTINATION lib)
292 ENDIF()
293 IF(BUILD_STATIC_LIBS)
294     INSTALL(TARGETS freeglut_static DESTINATION lib)
295 ENDIF()
296 INSTALL(FILES ${FREEGLUT_HEADERS} DESTINATION include/GL)
297
298
299
300 # Optionally build demos, on by default.
301 option( FREEGLUT_BUILD_DEMOS "Build FreeGLUT demos." ON )
302
303 SET(DEMO_LIBS ${OPENGL_glu_LIBRARY} ${LIBS})
304 # lib m for math, not needed on windows
305 IF (NOT WIN32)
306     LIST(APPEND DEMO_LIBS m)
307 ENDIF()
308
309 MACRO(ADD_DEMO name)
310     IF( FREEGLUT_BUILD_DEMOS )
311         IF(BUILD_SHARED_LIBS)
312             ADD_EXECUTABLE(${name} ${ARGN})
313             TARGET_LINK_LIBRARIES(${name} ${DEMO_LIBS} freeglut)
314         ENDIF()
315         IF(BUILD_STATIC_LIBS)
316             ADD_EXECUTABLE(${name}_static ${ARGN})
317             TARGET_LINK_LIBRARIES(${name}_static ${DEMO_LIBS} freeglut_static)
318             SET_TARGET_PROPERTIES(${name}_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
319         ENDIF()
320     ENDIF()
321 ENDMACRO()
322
323 ADD_DEMO(CallbackMaker   progs/demos/CallbackMaker/CallbackMaker.c)
324 ADD_DEMO(Fractals        progs/demos/Fractals/fractals.c)
325 ADD_DEMO(Fractals_random progs/demos/Fractals_random/fractals_random.c)
326 ADD_DEMO(Lorenz          progs/demos/Lorenz/lorenz.c)
327 ADD_DEMO(One             progs/demos/One/one.c)
328 ADD_DEMO(Resizer         progs/demos/Resizer/Resizer.cpp)
329 ADD_DEMO(shapes          progs/demos/shapes/shapes.c)
330 ADD_DEMO(smooth_opengl3  progs/demos/smooth_opengl3/smooth_opengl3.c)
331 ADD_DEMO(spaceball       progs/demos/spaceball/spaceball.c
332                          progs/demos/spaceball/vmath.c
333                          progs/demos/spaceball/vmath.h)
334 ADD_DEMO(subwin          progs/demos/subwin/subwin.c)
335 ADD_DEMO(timer           progs/demos/timer/timer.c)
336
337 # finally, if any demos are built, copy needed files to output directory
338 # (currently, thats just the input file for the Fractals demo)
339 IF(FREEGLUT_BUILD_DEMOS)
340     # 1) copy fractals.dat from freeglut/progs/demos/Fractals
341     IF(BUILD_SHARED_LIBS)
342         SET(Frac_target Fractals)
343     ELSE()
344         SET(Frac_target Fractals_static)
345     ENDIF()
346     GET_TARGET_PROPERTY(DEMO_OUTPUT_DIRECTORY ${Frac_target} RUNTIME_OUTPUT_DIRECTORY)
347     ADD_CUSTOM_COMMAND(
348         TARGET ${Frac_target}
349         POST_BUILD
350         COMMAND ${CMAKE_COMMAND} -E copy
351         ${PROJECT_SOURCE_DIR}/progs/demos/Fractals/fractals.dat
352         ${DEMO_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR}
353     )
354 ENDIF()
355
356 # pkg-config support, to install at $(libdir)/pkgconfig
357 # Define static build dependencies
358 IF(WIN32)
359   SET(PC_LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32")
360 ELSEIF(ANDROID)
361   SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL")
362 ELSE()
363   SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL")
364 ENDIF()
365 # Client applications need to define FreeGLUT GLES version to
366 # bootstrap headers inclusion in freeglut_std.h:
367 IF(FREEGLUT_GLES2)
368   SET(PC_CFLAGS "-DFREEGLUT_GLES2")
369 ELSEIF(FREEGLUT_GLES1)
370   SET(PC_CFLAGS "-DFREEGLUT_GLES1")
371 ENDIF()
372 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY)
373 INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION share/pkgconfig)
374 # TODO: change the library and .pc name when building for GLES,
375 # e.g. -lglut-GLES2