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