CHECK_FUNCTION_EXISTS for sinf/cosf/sqrtf actually fails not because of missing math...
[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_gl2.c
47     src/fg_gl2.h
48     src/fg_init.c
49     src/fg_init.h
50     src/fg_internal.h
51     src/fg_input_devices.c
52     src/fg_joystick.c
53     src/fg_main.c
54     src/fg_main.h
55     src/fg_misc.c
56     src/fg_overlay.c
57     src/fg_spaceball.c
58     src/fg_state.c
59     src/fg_stroke_mono_roman.c
60     src/fg_stroke_roman.c
61     src/fg_structure.c
62     src/fg_videoresize.c
63     src/fg_window.c
64 )
65 # TODO: OpenGL ES requires a compatible version of these files:
66 IF(NOT FREEGLUT_GLES2 AND NOT FREEGLUT_GLES1)
67     LIST(APPEND FREEGLUT_SRCS
68         src/fg_font.c
69         src/fg_menu.c
70         src/fg_teapot.c
71         src/fg_teapot_data.h
72         src/fg_geometry.c
73     )
74 ELSE()
75     LIST(APPEND FREEGLUT_SRCS
76         src/fg_geometry.c
77         src/gles_stubs.c
78     )
79 ENDIF()
80
81 IF(WIN32)
82     LIST(APPEND FREEGLUT_SRCS
83         src/mswin/fg_cursor_mswin.c
84         src/mswin/fg_display_mswin.c
85         src/mswin/fg_ext_mswin.c
86         src/mswin/fg_gamemode_mswin.c
87         src/mswin/fg_init_mswin.c
88         src/mswin/fg_internal_mswin.h
89         src/mswin/fg_input_devices_mswin.c
90         src/mswin/fg_joystick_mswin.c
91         src/mswin/fg_main_mswin.c
92         src/mswin/fg_menu_mswin.c
93         src/mswin/fg_spaceball_mswin.c
94         src/mswin/fg_state_mswin.c
95         src/mswin/fg_structure_mswin.c
96         src/mswin/fg_window_mswin.c
97         ${CMAKE_BINARY_DIR}/freeglut.rc # generated below from freeglut.rc.in
98     )
99     IF (MSVC AND NOT CMAKE_CL_64)
100         # .def file only for 32bit Windows builds
101         LIST(APPEND FREEGLUT_SRCS
102             ${CMAKE_BINARY_DIR}/freeglutdll.def # generated below from src/freeglutdll.def.in
103         )
104     ENDIF()
105
106 ELSEIF(ANDROID)
107     LIST(APPEND FREEGLUT_SRCS
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_internal_android.h
111         src/android/fg_cursor_android.c
112         src/android/fg_ext_android.c
113         src/android/fg_gamemode_android.c
114         src/android/fg_init_android.c
115         src/android/fg_input_devices_android.c
116         src/android/fg_joystick_android.c
117         src/android/fg_main_android.c
118         src/android/fg_main_android.h
119         src/android/fg_runtime_android.c
120         src/android/fg_spaceball_android.c
121         src/android/fg_state_android.c
122         src/android/fg_structure_android.c
123         src/android/fg_window_android.c
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(NOT(FREEGLUT_GLES2 OR FREEGLUT_GLES1))
144         LIST(APPEND FREEGLUT_SRCS
145             src/x11/fg_internal_x11_glx.h
146             src/x11/fg_display_x11_glx.c
147             src/x11/fg_state_x11_glx.c
148             src/x11/fg_state_x11_glx.h
149             src/x11/fg_window_x11_glx.c
150             src/x11/fg_window_x11_glx.h
151         )
152     ENDIF()
153 ENDIF()
154 IF(FREEGLUT_GLES2 OR FREEGLUT_GLES1)
155     LIST(APPEND FREEGLUT_SRCS
156         src/egl/fg_internal_egl.h
157         src/egl/fg_display_egl.c
158         src/egl/fg_ext_egl.c
159         src/egl/fg_init_egl.c
160         src/egl/fg_init_egl.h
161         src/egl/fg_state_egl.c
162         src/egl/fg_state_egl.h
163         src/egl/fg_structure_egl.c
164         src/egl/fg_structure_egl.h
165         src/egl/fg_window_egl.c
166         src/egl/fg_window_egl.h
167     )
168 ENDIF()
169
170 # For OpenGL ES (GLES):
171 # - compile with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly
172 #   bootstrap headers inclusion in freeglut_std.h; these constants
173 #   also need to be defined in client applications (e.g through
174 #   pkg-config), but use GLES constants directly for all other needs
175 # - define GLES version-specific library
176 IF(FREEGLUT_GLES2)
177   ADD_DEFINITIONS(-DFREEGLUT_GLES2)
178   LIST(APPEND LIBS GLESv2 EGL)
179 ELSEIF(FREEGLUT_GLES1)
180   ADD_DEFINITIONS(-DFREEGLUT_GLES1)
181   LIST(APPEND LIBS GLESv1_CM EGL)
182 ELSE()
183   FIND_PACKAGE(OpenGL REQUIRED)
184   LIST(APPEND LIBS ${OPENGL_gl_LIBRARY})
185   INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
186 ENDIF()
187
188 # lib m for math, not needed on windows
189 IF (NOT WIN32)
190     # For compilation:
191     LIST(APPEND LIBS m)
192     # For CHECK_FUNCTION_EXISTS:
193     LIST(APPEND CMAKE_REQUIRED_LIBRARIES m)
194 ENDIF()
195
196 IF(WIN32)
197     # hide insecure CRT warnings, common practice
198     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
199 ENDIF()
200
201 IF(CMAKE_COMPILER_IS_GNUCC)
202   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
203   IF(!ANDROID)
204     # not setting -ansi as EGL/KHR headers doesn't support it
205     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ansi")
206   ENDIF()
207 ENDIF(CMAKE_COMPILER_IS_GNUCC)
208
209 IF(UNIX AND NOT ANDROID)
210     FIND_PACKAGE(X11 REQUIRED)
211     LIST(APPEND LIBS ${X11_LIBRARIES})
212     IF(X11_Xrandr_FOUND)
213         SET(HAVE_X11_EXTENSIONS_XRANDR_H TRUE)
214         LIST(APPEND LIBS ${X11_Xrandr_LIB})
215     ENDIF()
216     IF(X11_xf86vmode_FOUND)
217         SET(HAVE_X11_EXTENSIONS_XF86VMODE_H TRUE)
218         # Work-around http://www.cmake.org/Bug/bug_view_page.php?bug_id=6976
219         IF(NOT "${X11_Xxf86vm_LIB}")
220             SET(X11_Xxf86vm_LIB "Xxf86vm")
221         ENDIF()
222         LIST(APPEND LIBS ${X11_Xxf86vm_LIB})
223     ENDIF()
224 ENDIF()
225 IF(ANDROID)
226     # -landroid for ANativeWindow
227     # -llog for native Android logging
228     LIST(APPEND LIBS android log)
229 ENDIF()
230
231 INCLUDE(CheckIncludeFiles)
232 INCLUDE(CheckFunctionExists)
233 INCLUDE(CheckTypeSize)
234 CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
235 CHECK_INCLUDE_FILES(unistd.h    HAVE_UNISTD_H)
236 CHECK_INCLUDE_FILES(sys/time.h  HAVE_SYS_TIME_H)
237 CHECK_INCLUDE_FILES(stdbool.h   HAVE_STDBOOL_H)
238 CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
239 CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
240 CHECK_INCLUDE_FILES(fcntl.h     HAVE_FCNTL_H)
241 CHECK_INCLUDE_FILES(errno.h     HAVE_ERRNO_H)
242 CHECK_INCLUDE_FILES(usbhid.h    HAVE_USBHID_H)
243 CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
244 CHECK_FUNCTION_EXISTS(vfprintf  HAVE_VFPRINTF)
245 CHECK_FUNCTION_EXISTS(_doprnt   HAVE_DOPRNT)
246 CHECK_FUNCTION_EXISTS(XParseGeometry   HAVE_XPARSEGEOMETRY)
247 IF (NOT HAVE_XPARSEGEOMETRY)
248    LIST(APPEND FREEGLUT_SRCS
249         src/util/xparsegeometry_repl.c
250         src/util/xparsegeometry_repl.h)
251    SET(NEED_XPARSEGEOMETRY_IMPL TRUE)
252 ENDIF()
253 # decide on suitable type for internal time keeping, 64-bit if possible
254 CHECK_INCLUDE_FILES(stdint.h    HAVE_STDINT_H)
255 CHECK_INCLUDE_FILES(inttypes.h  HAVE_INTTYPES_H)
256 IF (NOT (HAVE_STDINT_H OR HAVE_INTTYPES_H))
257     IF (MSVC)
258         # Some old Microsoft VC don't support unsigned long long, but all we
259         # care about support unsigned __int64, so test for presence of that
260         # type
261         CHECK_TYPE_SIZE("unsigned __int64" U__INT64 BUILTIN_TYPES_ONLY)
262     ELSEIF()
263         CHECK_TYPE_SIZE("unsigned long long" ULONG_LONG BUILTIN_TYPES_ONLY)
264     ENDIF()
265 ENDIF()
266
267 # Check for sinf/cosf/sqrtf
268 CHECK_FUNCTION_EXISTS(sinf      HAVE_SINF)
269 CHECK_FUNCTION_EXISTS(cosf      HAVE_COSF)
270 CHECK_FUNCTION_EXISTS(sqrtf     HAVE_SQRTF)
271
272 # The generated config.h is placed in the project's build directory, just to
273 # ensure that all CMake-generated files are kept away from the main source tree.
274 # As a result, the build directory must to be added to the include path list.
275 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_BINARY_DIR}/config.h)
276 INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src)
277 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
278 IF(WIN32)
279     # we also have to generate freeglut.rc, which contains the version
280     # number
281     CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.rc.in ${CMAKE_BINARY_DIR}/freeglut.rc)
282     IF (MSVC AND NOT CMAKE_CL_64)
283         # .def file only for 32bit Windows builds with Visual Studio
284         CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/src/freeglutdll.def.in ${CMAKE_BINARY_DIR}/freeglutdll.def)
285     ENDIF()
286 ENDIF()
287
288 IF(BUILD_SHARED_LIBS)
289     ADD_LIBRARY(freeglut SHARED ${FREEGLUT_SRCS})
290 ENDIF()
291 IF(BUILD_STATIC_LIBS)
292     ADD_LIBRARY(freeglut_static STATIC ${FREEGLUT_SRCS})
293 ENDIF()
294
295
296 IF(WIN32)
297     LIST(APPEND LIBS winmm)
298     IF(BUILD_SHARED_LIBS)
299         SET_TARGET_PROPERTIES(freeglut PROPERTIES COMPILE_FLAGS -DFREEGLUT_EXPORTS)
300     ENDIF()
301     IF(BUILD_STATIC_LIBS)
302         SET_TARGET_PROPERTIES(freeglut_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
303         # need to set machine:x64 for linker, at least for VC10, and
304         # doesn't hurt for older compilers:
305         # http://public.kitware.com/Bug/view.php?id=11240#c22768
306         IF (CMAKE_CL_64)
307             SET_TARGET_PROPERTIES(freeglut_static PROPERTIES STATIC_LIBRARY_FLAGS "/machine:x64")
308         ENDIF()
309     ENDIF()
310 ELSE()
311     # on UNIX we need to make sure:
312     # - all shared libraries must have a soname/version, see :
313     #   http://sourceware.org/autobook/autobook/autobook_91.html#SEC91
314     #   http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
315     #   Current: -version-info 12:0:9 -> 3.9.0
316     # - the output library should be named glut so it'll be linkable with -lglut
317     # - the shared library should link to the dependency libraries so that the user
318     #   won't have to link them explicitly (they shouldn't have to know that we depend
319     #   on Xrandr or Xxf86vm)
320     IF(FREEGLUT_GLES2)
321       SET(LIBNAME freeglut-gles2)
322     ELSEIF(FREEGLUT_GLES1)
323       SET(LIBNAME freeglut-gles1)
324     ELSE()
325       SET(LIBNAME glut)
326     ENDIF()
327
328     SET_TARGET_PROPERTIES(freeglut PROPERTIES VERSION 3.9.0 SOVERSION 3 OUTPUT_NAME ${LIBNAME})
329     SET_TARGET_PROPERTIES(freeglut_static PROPERTIES OUTPUT_NAME ${LIBNAME})
330     IF(ANDROID)
331         # Not in CMake toolchain file, because the toolchain
332         # file is called several times and generally doesn't
333         # seem to be meant for modifying CFLAGS:
334         # '-mandroid' is not mandatory but doesn't hurt
335         # '-O0 -gstabs+' helps the currently buggy GDB port
336         # Too late to manipulate ENV: SET(ENV{CFLAGS} "$ENV{CFLAGS} -mandroid")
337         # Not using _INIT variables, they seem to be used internally only
338         SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mandroid")
339         SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -gstabs+")
340     ENDIF()
341 ENDIF()
342 IF(BUILD_SHARED_LIBS)
343     TARGET_LINK_LIBRARIES(freeglut ${LIBS})
344 ENDIF()
345 IF(BUILD_STATIC_LIBS)
346     TARGET_LINK_LIBRARIES(freeglut_static ${LIBS})
347 ENDIF()
348
349 IF(BUILD_SHARED_LIBS)
350     INSTALL(TARGETS freeglut DESTINATION lib)
351 ENDIF()
352 IF(BUILD_STATIC_LIBS)
353     INSTALL(TARGETS freeglut_static DESTINATION lib)
354 ENDIF()
355 INSTALL(FILES ${FREEGLUT_HEADERS} DESTINATION include/GL)
356
357
358
359 # Optionally build demos, on by default.
360 option( FREEGLUT_BUILD_DEMOS "Build FreeGLUT demos." ON )
361
362 SET(DEMO_LIBS ${OPENGL_glu_LIBRARY} ${LIBS})
363 # lib m for math, not needed on windows
364 IF (NOT WIN32)
365     LIST(APPEND DEMO_LIBS m)
366 ENDIF()
367
368 MACRO(ADD_DEMO name)
369     IF( FREEGLUT_BUILD_DEMOS )
370         IF(BUILD_SHARED_LIBS)
371             ADD_EXECUTABLE(${name} ${ARGN})
372             TARGET_LINK_LIBRARIES(${name} ${DEMO_LIBS} freeglut)
373         ENDIF()
374         IF(BUILD_STATIC_LIBS)
375             ADD_EXECUTABLE(${name}_static ${ARGN})
376             TARGET_LINK_LIBRARIES(${name}_static ${DEMO_LIBS} freeglut_static)
377             SET_TARGET_PROPERTIES(${name}_static PROPERTIES COMPILE_FLAGS -DFREEGLUT_STATIC)
378         ENDIF()
379     ENDIF()
380 ENDMACRO()
381
382 ADD_DEMO(CallbackMaker   progs/demos/CallbackMaker/CallbackMaker.c)
383 ADD_DEMO(Fractals        progs/demos/Fractals/fractals.c)
384 ADD_DEMO(Fractals_random progs/demos/Fractals_random/fractals_random.c)
385 ADD_DEMO(Lorenz          progs/demos/Lorenz/lorenz.c)
386 ADD_DEMO(One             progs/demos/One/one.c)
387 ADD_DEMO(Resizer         progs/demos/Resizer/Resizer.cpp)
388 ADD_DEMO(shapes          progs/demos/shapes/shapes.c)
389 ADD_DEMO(smooth_opengl3  progs/demos/smooth_opengl3/smooth_opengl3.c)
390 ADD_DEMO(spaceball       progs/demos/spaceball/spaceball.c
391                          progs/demos/spaceball/vmath.c
392                          progs/demos/spaceball/vmath.h)
393 ADD_DEMO(subwin          progs/demos/subwin/subwin.c)
394 ADD_DEMO(timer           progs/demos/timer/timer.c)
395
396 # pkg-config support, to install at $(libdir)/pkgconfig
397 # Define static build dependencies
398 IF(WIN32)
399   SET(PC_LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32 -lm")
400 ELSEIF(FREEGLUT_GLES2)
401   IF(ANDROID)
402     SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL -lm")
403   ELSE()
404     SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL -lm")
405   ENDIF()
406 ELSEIF(FREEGLUT_GLES1)
407   IF(ANDROID)
408     SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv1_CM -lEGL -lm")
409   ELSE()
410     SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv1_CM -lEGL -lm")
411   ENDIF()
412 ELSE()
413   SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGL -lm")
414 ENDIF()
415 # Client applications need to define FreeGLUT GLES version to
416 # bootstrap headers inclusion in freeglut_std.h:
417 SET(PC_LIBNAME "glut")
418 SET(PC_FILENAME "freeglut.pc")
419 IF(FREEGLUT_GLES2)
420   SET(PC_CFLAGS "-DFREEGLUT_GLES2")
421   SET(PC_LIBNAME "freeglut-gles2")
422   SET(PC_FILENAME "freeglut-gles2.pc")
423 ELSEIF(FREEGLUT_GLES1)
424   SET(PC_CFLAGS "-DFREEGLUT_GLES1")
425   SET(PC_LIBNAME "freeglut-gles1")
426   SET(PC_FILENAME "freeglut-gles1.pc")
427 ENDIF()
428 CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY)
429 INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION share/pkgconfig/ RENAME ${PC_FILENAME})
430 # TODO: change the library and .pc name when building for GLES,
431 # e.g. -lglut-GLES2