build: Use AC_CACHE_SAVE
[profile/ivi/clutter.git] / configure.ac
1 # clutter package version number, (as distinct from shared library version)
2 # An odd micro number indicates in-progress development from Git
3 # An even micro number indicates a released version
4 #
5 # Making a point release:
6 # - increase clutter_micro_version to the next even number
7 # - increase clutter_interface_age to the next even number
8 # After the release:
9 # - increase clutter_micro_version to the next odd number
10 # - increase clutter_interface_version to the next odd number
11 m4_define([clutter_major_version], [1])
12 m4_define([clutter_minor_version], [9])
13 m4_define([clutter_micro_version], [1])
14
15 # • for stable releases: increase the interface age by 1 for each release;
16 #   if the API changes, set to 0. interface_age and binary_age are used to
17 #   create the soname of the shared object:
18 #
19 #  (<minor> * 100 + <micro>) - <interface_age>
20 #
21 # this allows using the same soname for different micro-releases in case
22 # no API was added or deprecated. for instance:
23 #
24 #   clutter 1.2.0  -> 100 * 2 + 0  = 200, interface age = 0 -> 200
25 #   clutter 1.2.2  -> 100 * 2 + 2  = 202, interface age = 2 -> 200
26 #   clutter 1.2.4  -> 100 * 2 + 4  = 204, interface age = 4 -> 200
27 #   [ API addition, deprecation ]
28 #   clutter 1.2.6  -> 100 * 2 + 6  = 206, interface age = 0 -> 206
29 #   clutter 1.2.8  -> 100 * 2 + 8  = 208, interface age = 2 -> 206
30 #   clutter 1.2.10 -> 100 * 2 + 10 = 210, interface age = 4 -> 206
31 #   ...
32 #
33 # • for development releases: keep clutter_interface_age to 0
34 m4_define([clutter_interface_age], [0])
35
36 m4_define([clutter_binary_age], [m4_eval(100 * clutter_minor_version + clutter_micro_version)])
37
38 m4_define([clutter_release_status],
39           [m4_if(m4_eval(clutter_micro_version % 2), [1], [git],
40                  [m4_if(m4_eval(clutter_minor_version % 2), [1], [snapshot],
41                                                                  [release])])])
42
43 m4_define([clutter_version], [clutter_major_version.clutter_minor_version.clutter_micro_version])
44
45 # change this only when breaking the API
46 m4_define([clutter_api_version], [1.0])
47
48 AC_PREREQ([2.63])
49
50 AC_INIT([clutter],
51         [clutter_version],
52         [http://bugzilla.gnome.org/enter_bug.cgi?product=clutter],
53         [clutter],
54         [http://www.clutter-project.org])
55
56 AC_CONFIG_SRCDIR([clutter/clutter.h])
57 AC_CONFIG_HEADERS([config.h])
58 AC_CONFIG_AUX_DIR([build])
59 AC_CONFIG_MACRO_DIR([build/autotools])
60
61 AM_INIT_AUTOMAKE([1.11 foreign -Wno-portability no-define no-dist-gzip dist-xz tar-ustar])
62 AM_SILENT_RULES([yes])
63
64 AC_SUBST([CLUTTER_MAJOR_VERSION],  [clutter_major_version])
65 AC_SUBST([CLUTTER_MINOR_VERSION],  [clutter_minor_version])
66 AC_SUBST([CLUTTER_MICRO_VERSION],  [clutter_micro_version])
67 AC_SUBST([CLUTTER_VERSION],        [clutter_version])
68 AC_SUBST([CLUTTER_API_VERSION],    [clutter_api_version])
69 AC_SUBST([CLUTTER_API_VERSION_AM], [$CLUTTER_MAJOR_VERSION\_0])
70 AC_SUBST([CLUTTER_RELEASE_STATUS], [clutter_release_status])
71
72 m4_define([lt_current],  [m4_eval(100 * clutter_minor_version + clutter_micro_version - clutter_interface_age)])
73 m4_define([lt_revision], [clutter_interface_age])
74 m4_define([lt_age],      [m4_eval(clutter_binary_age - clutter_interface_age)])
75 CLUTTER_LT_CURRENT=lt_current
76 CLUTTER_LT_REV=lt_revision
77 CLUTTER_LT_AGE=lt_age
78 CLUTTER_LT_VERSION="$CLUTTER_LT_CURRENT:$CLUTTER_LT_REV:$CLUTTER_LT_AGE"
79 CLUTTER_LT_LDFLAGS="-version-info $CLUTTER_LT_VERSION"
80 AC_SUBST([CLUTTER_LT_CURRENT],  [lt_current])
81 AC_SUBST([CLUTTER_LT_REVISION], [lt_revision])
82 AC_SUBST([CLUTTER_LT_VERSION],  [$CLUTTER_LT_VERSION])
83
84 AC_PROG_SED
85
86 dnl = Preliminary platform checks =============================================
87
88 AC_CANONICAL_HOST
89
90 platform_win32=no
91 platform_quartz=no
92 platform_linux=no
93
94 AC_MSG_CHECKING([if building for some Win32 platform])
95 AS_CASE([$host],
96         [*-*-mingw*|*-*-cygwin*],
97         [
98           CLUTTER_LT_LDFLAGS="$CLUTTER_LT_LDFLAGS -no-undefined"
99           platform_win32=yes
100         ],
101
102         []
103 )
104 AC_MSG_RESULT([$platform_win32])
105
106 AM_CONDITIONAL(OS_WIN32, [test "$platform_win32" = "yes"])
107
108 AC_CHECK_HEADER([OpenGL/gl.h], [platform_quartz=yes], [platform_quartz=no])
109 AM_CONDITIONAL(OS_QUARTZ, [test "$platform_quartz" = "yes"])
110
111 AC_CHECK_HEADER([GL/glx.h], [platform_glx=yes], [platform_glx=no])
112 AC_CHECK_LIB([GL], [glXCreateContext], [platform_glx=yes], [platform_glx=no])
113 AM_CONDITIONAL(OS_GLX, [test "$platform_glx" = "yes"])
114
115 AC_SUBST(CLUTTER_LT_LDFLAGS)
116
117 AC_CACHE_SAVE
118
119 dnl = Dependencies =========================================================
120
121 # Checks for programs.
122 AM_PROG_CC_C_O
123
124 # require libtool >= 2.2
125 LT_PREREQ([2.2.6])
126 LT_INIT([disable-static])
127
128 # Checks for header files.
129 AC_HEADER_STDC
130
131 # required versions for dependencies
132 m4_define([glib_req_version],           [2.31.0])
133 m4_define([cogl_req_version],           [1.9.1])
134 m4_define([json_glib_req_version],      [0.12.0])
135 m4_define([atk_req_version],            [2.1.5])
136 m4_define([cairo_req_version],          [1.10])
137 m4_define([pango_req_version],          [1.20])
138 m4_define([gi_req_version],             [0.9.5])
139 m4_define([uprof_req_version],          [0.3])
140 m4_define([gtk_doc_req_version],        [1.15])
141 m4_define([xfixes_req_version],         [3])
142 m4_define([xcomposite_req_version],     [0.4])
143 m4_define([gdk_req_version],            [3.0.0])
144
145 AC_SUBST([GLIB_REQ_VERSION],       [glib_req_version])
146 AC_SUBST([COGL_REQ_VERSION],       [cogl_req_version])
147 AC_SUBST([JSON_GLIB_REQ_VERSION],  [json_glib_req_version])
148 AC_SUBST([ATK_REQ_VERSION],        [atk_req_version])
149 AC_SUBST([CAIRO_REQ_VERSION],      [cairo_req_version])
150 AC_SUBST([PANGO_REQ_VERSION],      [pango_req_version])
151 AC_SUBST([GI_REQ_VERSION],         [gi_req_version])
152 AC_SUBST([UPROF_REQ_VERSION],      [uprof_req_version])
153 AC_SUBST([GTK_DOC_REQ_VERSION],    [gtk_doc_req_version])
154 AC_SUBST([XFIXES_REQ_VERSION],     [xfixes_req_version])
155 AC_SUBST([XCOMPOSITE_REQ_VERSION], [xcomposite_req_version])
156 AC_SUBST([GDK_REQ_VERSION],        [gdk_req_version])
157
158 # Checks for typedefs, structures, and compiler characteristics.
159 AM_PATH_GLIB_2_0([glib_req_version],
160                  [],
161                  [AC_MSG_ERROR([glib-2.0 is required])],
162                  [gobject gthread gmodule-no-export])
163
164 # Check for -Bsymbolic-functions to avoid intra-library PLT jumps
165 AC_ARG_ENABLE([Bsymbolic],
166               [AS_HELP_STRING([--disable-Bsymbolic],
167                               [Avoid linking with -Bsymbolic])],
168               [],
169               [
170                 saved_LDFLAGS="${LDFLAGS}"
171                 AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
172                 LDFLAGS=-Wl,-Bsymbolic-functions
173                 AC_TRY_LINK([], [int main (void) { return 0; }],
174                             [
175                               AC_MSG_RESULT([yes])
176                               enable_Bsymbolic=yes
177                             ],
178                             [
179                               AC_MSG_RESULT([no])
180                               enable_Bsymbolic=no
181                             ])
182                 LDFLAGS="${saved_LDFLAGS}"
183               ])
184
185 AS_IF([test "x$enable_Bsymbolic" = "xyes"], [CLUTTER_LINK_FLAGS=-Wl[,]-Bsymbolic-functions])
186 AC_SUBST(CLUTTER_LINK_FLAGS)
187
188 AC_CACHE_SAVE
189
190 dnl ========================================================================
191
192 FLAVOUR_LIBS=""
193 FLAVOUR_CFLAGS=""
194 CLUTTER_BACKENDS=""
195
196 experimental_backend=no
197
198 # base dependencies for core
199 CLUTTER_BASE_PC_FILES="cogl-1.0 >= $COGL_REQ_VERSION cairo-gobject >= $CAIRO_REQ_VERSION atk >= $ATK_REQ_VERSION pangocairo >= $PANGO_REQ_VERSION cogl-pango-1.0 json-glib-1.0 >= $JSON_GLIB_REQ_VERSION"
200
201 # backend specific pkg-config files
202 BACKEND_PC_FILES=""
203
204 dnl === Clutter windowing system backend ======================================
205
206 AC_ARG_ENABLE([x11-backend],
207               [AS_HELP_STRING([--enable-x11-backend=@<:@yes/no@:>@], [Enable the X11 backend (default=check)])],
208               [enable_x11=$enableval],
209               [enable_x11=check])
210 AC_ARG_ENABLE([win32-backend],
211               [AS_HELP_STRING([--enable-win32-backend=@<:@yes/no@:>@], [Enable the Windows backend (default=check)])],
212               [enable_win32=$enableval],
213               [enable_win32=check])
214 AC_ARG_ENABLE([quartz-backend],
215               [AS_HELP_STRING([--enable-quartz-backend=@<:@yes/no@:>@], [Enable the OS X backend (default=check)])],
216               [enable_osx=$enableval],
217               [enable_osx=check])
218 AC_ARG_ENABLE([gdk-backend],
219               [AS_HELP_STRING([--enable-gdk-backend=@<:@yes/no@:>@], [Enable the GDK backend (default=check)])],
220               [enable_gdk=$enableval],
221               [enable_gdk=check])
222 AC_ARG_ENABLE([wayland-backend],
223               [AS_HELP_STRING([--enable-wayland-backend=@<:@yes/no@:>@], [Enable the Wayland client backend (default=no)])],
224               [enable_wayland=$enableval],
225               [enable_wayland=no])
226 AC_ARG_ENABLE([egl-backend],
227               [AS_HELP_STRING([--enable-egl-backend=@<:@yes/no@:>@], [Enable the EGL framebuffer backend (default=no)])],
228               [enable_egl=$enableval],
229               [enable_egl=no])
230
231 dnl Define default values
232 AS_IF([test "x$enable_x11" = "xcheck"],
233       [
234         AS_IF([test "x$platform_glx" = "xyes"], [enable_x11=yes], [enable_x11=no])
235       ])
236
237 AS_IF([test "x$enable_win32" = "xcheck"],
238       [
239         AS_IF([test "x$platform_win32" = "xyes"], [enable_win32=yes], [enable_win32=no])
240       ])
241
242 AS_IF([test "x$enable_osx" = "xcheck"],
243       [
244         AS_IF([test "x$platform_quartz" = "xyes"], [enable_osx=yes], [enable_osx=no])
245       ])
246
247 AS_IF([test "x$enable_gdk" = "xcheck"],
248       [
249         PKG_CHECK_EXISTS([gdk-3.0 >= gdk_req_version], [enable_gdk=yes], [enable_gdk=no])
250       ])
251
252 dnl Per-backend rules
253 AS_IF([test "x$enable_x11" = "xyes"],
254       [
255         CLUTTER_BACKENDS="$CLUTTER_BACKENDS x11"
256
257         SUPPORT_X11=1
258         SUPPORT_GLX=1
259         SUPPORT_COGL=1
260
261         # Mesa 7.3 added a GL pkg-config file, finally, but if a pkg-config
262         # file isn't found just add -lGL and hope for the best.
263         PKG_CHECK_EXISTS([gl],
264                          [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"],
265                          [FLAVOUR_LIBS="$FLAVOUR_LIBS -lGL"])
266
267         # We might fall back to DRM for sync-to-vblank on GLX
268         PKG_CHECK_EXISTS([libdrm],
269                          [
270                            AC_DEFINE([HAVE_DRM], [1], [Have libdrm support])
271                            BACKEND_PC_FILES="$BACKEND_PC_FILES libdrm"
272                          ],
273                          [])
274
275         # we use fontconfig API and pango-fc when the fontconfig
276         # configuration changes
277         PKG_CHECK_EXISTS([pangoft2],
278                          [
279                            AC_DEFINE([HAVE_PANGO_FT2], [1], [Supports PangoFt2])
280                            BACKEND_PC_FILES="$BACKEND_PC_FILES pangoft2"
281                          ],
282                          [])
283
284         AC_DEFINE([HAVE_CLUTTER_GLX], [1], [Have the GLX backend])
285       ])
286
287 AS_IF([test "x$enable_gdk" = "xyes"],
288       [
289         CLUTTER_BACKENDS="$CLUTTER_BACKENDS gdk"
290
291         SUPPORT_GDK=1
292         SUPPORT_COGL=1
293
294         BACKEND_PC_FILES="$BACKEND_PC_FILES gdk-3.0"
295         PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
296       ])
297
298 AS_IF([test "x$enable_wayland" = "xyes"],
299       [
300         CLUTTER_BACKENDS="$CLUTTER_BACKENDS wayland"
301
302         experimental_backend="yes"
303
304         SUPPORT_WAYLAND=1
305         SUPPORT_EVDEV=1
306
307         PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
308         PKG_CHECK_EXISTS([egl], [BACKEND_PC_FILES="$BACKEND_PC_FILES egl"], [])
309         PKG_CHECK_EXISTS([wayland-client xkbcommon],
310                          [BACKEND_PC_FILES="$BACKEND_PC_FILES wayland-client xkbcommon"],
311                          [])
312
313         AC_DEFINE([HAVE_CLUTTER_WAYLAND], [1], [Have the Wayland backend])
314       ])
315
316 AS_IF([test "x$enable_egl" = "xyes"],
317       [
318         CLUTTER_BACKENDS="$CLUTTER_BACKENDS egl"
319
320         SUPPORT_EGL=1
321         SUPPORT_COGL=1
322
323         # if Mesa has support for egl, we can use it as well
324         PKG_CHECK_EXISTS([egl],
325                          [
326                            BACKEND_PC_FILES="$BACKEND_PC_FILES egl"
327                          ],
328                          [])
329
330         AC_ARG_WITH([tslib],
331                     [AS_HELP_STRING([--with-tslib=@<:@yes/no@:>@], [Use TSLib for events (default=no)])],
332                     [],
333                     [with_tslib=no])
334
335         AC_ARG_WITH([evdev],
336                     [AS_HELP_STRING([--with-evdev=@<:@yes/no@:>@], [Use evdev for events (default=yes)])],
337                     [],
338                     [with_evdev=yes])
339
340         AC_ARG_WITH([gdl],
341                     [AS_HELP_STRING([--with-gdl=@<:@yes/no@:>@], [Use libgdl for CE3100/CE4100 support (default=no)])],
342                     [],
343                     [with_gdl=no])
344
345         AS_IF([test "x$with_tslib" = "xyes"],
346               [
347                 PKG_CHECK_MODULES(TSLIB, [tslib-1.0], [have_tslib=yes], [have_tslib=no])
348                 AS_IF([test "x$have_tslib" = "xyes"],
349                       [
350                         AC_DEFINE([HAVE_TSLIB], [1], [Have tslib for touchscreen handling])
351                         SUPPORT_TSLIB=1
352                       ])
353               ],
354               [have_tslib=no])
355
356         AS_IF([test "x$with_evdev" = "xyes"],
357               [
358                 PKG_CHECK_MODULES(EVDEV, [gudev-1.0 xkbcommon], [have_evdev=yes], [have_evdev=no])
359                 AS_IF([test "x$have_evdev" = "xyes"],
360                       [
361                         AC_DEFINE([HAVE_EVDEV], [1], [Have evdev support for input handling])
362                         SUPPORT_EVDEV=1
363                       ])
364               ],
365               [have_evdev=no])
366
367         AS_IF([test "x$with_gdl" = "xyes"],
368               [
369                 have_gdl=no
370
371                 AC_CHECK_HEADERS([libgdl.h], [have_gdl=yes])
372
373                 AS_IF([test "x$have_gdl" = "xno"],
374                       [
375                         AC_CHECK_HEADERS([CE4100/libgdl.h],
376                                          [
377                                            FLAVOUR_CFLAGS="-I/usr/include/CE4100"
378                                            have_gdl=yes
379                                            CLUTTER_CEX100_LIBGDL_PREFIX=CE4100/
380                                          ])
381                       ])
382
383                 AC_SUBST(CLUTTER_CEX100_LIBGDL_PREFIX)
384
385                 AS_IF([test "x$have_gdl" = "xno"], [AC_MSG_ERROR([libgdl.h not found])])
386
387                 FLAVOUR_LIBS="$FLAVOUR_LIBS -lgdl"
388
389                 SUPPORT_EGL_PLATFORM_GDL=1
390
391                 AC_DEFINE([CLUTTER_EGL_BACKEND_CEX100], [1], [Use CEX100 EGL backend])
392               ],
393               [have_gdl=no])
394
395         FLAVOUR_LIBS="$FLAVOUR_LIBS $TSLIB_LIBS $EVDEV_LIBS"
396         FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS $TSLIB_CFLAGS $EVDEV_CFLAGS"
397
398         AC_DEFINE([CLUTTER_EGL_BACKEND_GENERIC], [1], [Use Generic EGL backend])
399
400         AC_DEFINE([HAVE_CLUTTER_EGL], [1], [Have the EGL backend])
401       ])
402
403 AS_IF([test "x$enable_osx" = "xyes"],
404       [
405         CLUTTER_BACKENDS="$CLUTTER_BACKENDS osx"
406
407         AC_DEFINE([HAVE_CLUTTER_OSX], [1], [Have the OSX backend])
408
409         FLAVOUR_LIBS="$FLAVOUR_LIBS -framework Cocoa -framework OpenGL"
410
411         SUPPORT_OSX=1
412       ])
413
414 AS_IF([test "x$enable_win32" = "xyes"],
415       [
416         CLUTTER_BACKENDS="$CLUTTER_BACKENDS win32"
417
418         AC_DEFINE([HAVE_CLUTTER_WIN32], [1], [Have the Win32 backend])
419
420         FLAVOUR_LIBS="$FLAVOUR_LIBS -lopengl32 -lgdi32 -lwinmm"
421         FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS -D_WIN32_WINNT=0x0500"
422
423         AC_CHECK_TOOL(WINDRES, [windres], [AC_MSG_ERROR([*** windres is required])])
424
425         SUPPORT_WIN32=1
426       ])
427
428 AS_IF([test "x$CLUTTER_BACKENDS" = "x"],
429       [
430         AC_MSG_ERROR([No backend enabled. You need to enable at least one backend.])
431       ])
432
433 # conditionals for use in automake files...
434 AM_CONDITIONAL(SUPPORT_GLX,     [test "x$SUPPORT_GLX" = "x1"])
435 AM_CONDITIONAL(SUPPORT_X11,     [test "x$SUPPORT_X11" = "x1"])
436 AM_CONDITIONAL(SUPPORT_GDK,     [test "x$SUPPORT_GDK" = "x1"])
437 AM_CONDITIONAL(SUPPORT_EGL,     [test "x$SUPPORT_EGL" = "x1"])
438 AM_CONDITIONAL(SUPPORT_OSX,     [test "x$SUPPORT_OSX" = "x1"])
439 AM_CONDITIONAL(SUPPORT_WIN32,   [test "x$SUPPORT_WIN32" = "x1"])
440 AM_CONDITIONAL(SUPPORT_CEX100,  [test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"])
441 AM_CONDITIONAL(SUPPORT_WAYLAND, [test "x$SUPPORT_WAYLAND" = "x1"])
442 AM_CONDITIONAL(SUPPORT_STUB,    [test "x$SUPPORT_WIN32" = "x1" -o \
443                                       "x$SUPPORT_OSX" = "x1" -o \
444                                       "x$SUPPORT_WAYLAND" = "x1"])
445
446 AM_CONDITIONAL(USE_COGL,  [test "x$SUPPORT_COGL" = "x1"])
447 AM_CONDITIONAL(USE_TSLIB, [test "x$have_tslib" = "xyes"])
448 AM_CONDITIONAL(USE_EVDEV, [test "x$have_evdev" = "xyes"])
449 AM_CONDITIONAL(USE_GLD,   [test "x$have_gdl" = "xyes"])
450
451 dnl Instead of using AM_CFLAGS to ensure
452 dnl COGL_ENABLE_EXPERIMENTAL_2_0_API is defined while compiling clutter
453 dnl and cogl code we use a define in config.h instead. This helps ensure
454 dnl other tools such as glib-mkenums and gir-scanner don't end up
455 dnl using the define also.
456 AC_DEFINE([COGL_ENABLE_EXPERIMENTAL_2_0_API], [1], [Can use Cogl 2.0 API internally])
457
458 dnl strip leading spaces
459 CLUTTER_BACKENDS=${CLUTTER_BACKENDS#* }
460 AC_SUBST(CLUTTER_BACKENDS)
461
462 AC_CACHE_SAVE
463
464 dnl === Clutter configuration =================================================
465
466 CLUTTER_CONFIG_DEFINES=
467
468 # windowing systems
469 AS_IF([test "x$SUPPORT_X11" = "x1"],
470       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
471 #define CLUTTER_WINDOWING_X11 \"x11\""])
472 AS_IF([test "x$SUPPORT_GDK" = "x1"],
473       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
474 #define CLUTTER_WINDOWING_GDK \"gdk\""])
475 AS_IF([test "x$SUPPORT_GLX" = "x1"],
476       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
477 #define CLUTTER_WINDOWING_GLX \"glx\""])
478 AS_IF([test "x$SUPPORT_EGL" = "x1"],
479       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
480 #define CLUTTER_WINDOWING_EGL \"eglnative\""])
481 AS_IF([test "x$SUPPORT_WAYLAND" = "x1"],
482       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
483 #define CLUTTER_WINDOWING_WAYLAND \"wayland\""])
484 AS_IF([test "x$SUPPORT_OSX" = "x1"],
485       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
486 #define CLUTTER_WINDOWING_OSX \"osx\""])
487 AS_IF([test "x$SUPPORT_WIN32" = "x1"],
488       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
489 #define CLUTTER_WINDOWING_WIN32 \"win32\""])
490 AS_IF([test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"],
491       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
492 #define CLUTTER_WINDOWING_CEX100 \"cex100\""])
493 AS_IF([test "x$SUPPORT_EVDEV" = "x1"],
494       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
495 #define CLUTTER_INPUT_EVDEV \"evdev\""])
496 AS_IF([test "x$SUPPORT_TSLIB" = "x1"],
497       [CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
498 #define CLUTTER_INPUT_TSLIB \"tslib\""])
499
500 AC_SUBST([CLUTTER_CONFIG_DEFINES])
501
502 dnl === Clutter substitutions kept for backwards compatibility ================
503 AC_SUBST([CLUTTER_WINSYS],       [deprecated])
504 AC_SUBST([CLUTTER_WINSYS_BASE],  [deprecated])
505 AC_SUBST([CLUTTER_STAGE_TYPE],   [deprecated])
506 AC_SUBST([CLUTTER_SONAME_INFIX], [deprecated])
507 AC_SUBST([CLUTTER_FLAVOUR],      [deprecated])
508 AC_SUBST([CLUTTER_COGL],         [deprecated])
509 AC_SUBST([COGL_DRIVER],          [deprecated])
510
511 dnl === Image loading backend =================================================
512 IMAGE_PC_FILES=""
513
514 dnl === X11 checks, only for X11-based backends ===============================
515 X11_PC_FILES=""
516 x11_tests=no
517
518 AS_IF([test "x$SUPPORT_X11" = "x1"],
519       [
520         # base X11 includes and libraries
521         AC_MSG_CHECKING([for X11])
522
523         # start with pkg-config
524         PKG_CHECK_EXISTS([x11], [have_x11=yes], [have_x11=no])
525         AS_IF([test "x$have_x11" = "xyes"],
526               [
527                 X11_PC_FILES="x11"
528
529                 # we actually need to ask for CFLAGS and LIBS
530                 X11_CFLAGS=`$PKG_CONFIG --cflags $X11_PC_FILES`
531                 X11_LIBS=`$PKG_CONFIG --libs $X11_PC_FILES`
532
533                 AC_MSG_RESULT([found])
534               ],
535               [
536                 # no pkg-config, let's go old school
537                 AC_PATH_X
538
539                 AS_IF([test "x$no_x" = "xyes"],
540                       [AC_MSG_ERROR([No X11 Libraries found])],
541                       [
542                         AS_IF([test "x$x_includes" != "xNONE" && test -n "$x_includes"],
543                               [X11_CFLAGS=-I`echo $x_includes | sed -e "s/:/ -I/g"`])
544
545                         AS_IF([test "x$x_libraries" != "xNONE" && test -n "$x_libraries"],
546                               [X11_LIBS=-L`echo $x_libraries | sed -e "s/:/ -L/g"`])
547
548                         AC_MSG_RESULT([found])
549                       ]
550                 )
551               ]
552         )
553
554         # XEXT (required)
555         AC_MSG_CHECKING([for XEXT extension])
556         PKG_CHECK_EXISTS([xext], [have_xext=yes], [have_xext=no])
557         AS_IF([test "x$have_xext" = "xyes"],
558               [
559                 AC_DEFINE(HAVE_XEXT, [1], [Define to 1 if we have the XEXT X extension])
560
561                 X11_LIBS="$X11_LIBS -lXext"
562                 X11_PC_FILES="$X11_PC_FILES xext"
563
564                 AC_MSG_RESULT([found])
565               ],
566               [AC_MSG_ERROR([Not found])]
567         )
568
569         # XFIXES (required)
570         AC_MSG_CHECKING([for XFIXES extension >= $XFIXES_REQ_VERSION])
571         PKG_CHECK_EXISTS([xfixes >= $XFIXES_REQ_VERSION], [have_xfixes=yes], [have_xfixes=no])
572         AS_IF([test "x$have_xfixes" = "xyes"],
573               [
574                 AC_DEFINE(HAVE_XFIXES, [1], [Define to 1 if we have the XFIXES X extension])
575
576                 X11_LIBS="$X11_LIBS -lXfixes"
577                 X11_PC_FILES="$X11_PC_FILES xfixes >= $XFIXES_REQ_VERSION"
578
579                 AC_MSG_RESULT([found])
580               ],
581               [AC_MSG_ERROR([Not found])]
582         )
583
584         # XDAMAGE (required)
585         AC_MSG_CHECKING([for XDAMAGE extension])
586         PKG_CHECK_EXISTS([xdamage], [have_xdamage=yes], [have_xdamage=no])
587         AS_IF([test "x$have_xdamage" = "xyes"],
588               [
589                 AC_DEFINE(HAVE_XDAMAGE, [1], [Define to 1 if we have the XDAMAGE X extension])
590
591                 X11_LIBS="$X11_LIBS -lXdamage"
592                 X11_PC_FILES="$X11_PC_FILES xdamage"
593
594                 AC_MSG_RESULT([found])
595               ],
596               [AC_MSG_ERROR([not found])]
597         )
598
599         # XCOMPOSITE (optional)
600         AC_MSG_CHECKING([for XCOMPOSITE extension >= $XCOMPOSITE_REQ_VERSION])
601         PKG_CHECK_EXISTS([xcomposite >= $XCOMPOSITE_REQ_VERSION], [have_xcomposite=yes], [have_xcomposite=no])
602         AS_IF([test "x$have_xcomposite" = "xyes"],
603               [
604                 AC_DEFINE(HAVE_XCOMPOSITE, [1], [Define to 1 if we have the XCOMPOSITE X extension])
605
606                 X11_LIBS="$X11_LIBS -lXcomposite"
607                 X11_PC_FILES="$X11_PC_FILES xcomposite >= $XCOMPOSITE_REQ_VERSION"
608
609                 AC_MSG_RESULT([found])
610               ],
611               [AC_MSG_ERROR([not found])]
612         )
613
614         # X Generic Extensions (optional)
615         clutter_save_CPPFLAGS="$CPPFLAGS"
616         CPPFLAGS="$CPPFLAGS $X11_CFLAGS"
617
618         clutter_save_LIBS="$LIBS"
619         LIBS="$LIBS $X11_LIBS"
620
621         have_xge=no
622         AC_CHECK_FUNC([XGetEventData],
623                       [
624                         AC_DEFINE([HAVE_XGE], [1], [Define to 1 if X Generic Extensions is available])
625                         have_xge=yes
626                       ])
627
628         CPPFLAGS="$clutter_save_CPPFLAGS"
629         LIBS="$clutter_save_LIBS"
630
631         # XI (optional)
632         AC_ARG_ENABLE([xinput],
633                       [AS_HELP_STRING([--enable-xinput], [Use the XI X extension])],
634                       [],
635                       [enable_xinput=yes])
636
637         AS_IF([test "x$enable_xinput" = "xyes"],
638               [
639                 PKG_CHECK_EXISTS([xi], [have_xinput=yes], [have_xinput=no])
640               ],
641               [
642                 have_xinput=no
643               ])
644
645         AS_CASE([$have_xinput],
646
647                 [yes],
648                 [
649                   AC_CHECK_HEADERS([X11/extensions/XInput2.h],
650                                    [
651                                      have_xinput2=yes
652                                      AC_DEFINE([HAVE_XINPUT_2],
653                                                [1],
654                                                [Define to 1 if XI2 is available])
655                                    ],
656                                    [
657                                      have_xinput2=no
658                                      AC_DEFINE([HAVE_XINPUT],
659                                                [1],
660                                                [Define to 1 if XInput is available])
661                                    ])
662
663                   X11_LIBS="$X11_LIBS $XINPUT_LIBS"
664                   X11_PC_FILES="$X11_PC_FILES xi"
665                 ],
666
667                 [no],
668                 [have_xinput2=no],
669
670                 [*],
671                 [AC_MSG_ERROR([Invalid argument for --enable-xinput])]
672         )
673
674         # XKB
675         clutter_save_CPPFLAGS="$CPPFLAGS"
676         CPPFLAGS="$CPPFLAGS $X11_CFLAGS"
677
678         clutter_save_LIBS="$LIBS"
679         LIBS="$LIBS $X11_LIBS"
680
681         have_xkb=no
682         AC_CHECK_FUNC([XkbQueryExtension],
683                       [
684                         AC_DEFINE(HAVE_XKB, 1, [Define to use XKB extension])
685                         have_xkb=yes
686                       ])
687
688         CPPFLAGS="$clutter_save_CPPFLAGS"
689         LIBS="$clutter_save_LIBS"
690
691         x11_tests=yes
692         BACKEND_PC_FILES="$BACKEND_PC_FILES $X11_PC_FILES"
693         FLAVOUR_LIBS="$FLAVOUR_LIBS $X11_LIBS"
694         FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS $X11_CFLAGS"
695       ]
696 )
697
698 AM_CONDITIONAL([BUILD_XI2], [test "x$have_xinput2" = "xyes"])
699 AM_CONDITIONAL([X11_TESTS], [test "x$x11_tests" = "xyes"])
700
701 dnl === Enable debug level ====================================================
702
703 m4_define([debug_default], [m4_if(m4_eval(clutter_minor_version % 2), [1], [yes], [minimum])])
704 AC_ARG_ENABLE([debug],
705               [AS_HELP_STRING([--enable-debug=@<:@no/minimum/yes@:>@],
706                               [Control Clutter debugging level @<:@default=]debug_default[@:>@])],
707               [],
708               [enable_debug=debug_default])
709
710 AS_CASE([$enable_debug],
711
712         [yes],
713         [
714           test "$cflags_set" = set || CFLAGS="$CFLAGS -g"
715           CLUTTER_DEBUG_CFLAGS="-DCLUTTER_ENABLE_DEBUG"
716         ],
717
718         [minimum],
719         [CLUTTER_DEBUG_CFLAGS="-DCLUTTER_ENABLE_DEBUG -DG_DISABLE_CAST_CHECKS"],
720
721         [no],
722         [CLUTTER_DEBUG_CFLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS"],
723
724         [AC_MSG_ERROR([Unknown argument for --enable-debug])]
725 )
726
727 AC_SUBST(CLUTTER_DEBUG_CFLAGS)
728
729 dnl === Enable deprecation guards ==================================================
730
731 m4_define([deprecated_default],
732           [m4_if(m4_eval(clutter_minor_version % 2),
733                  [1],
734                  [no],
735                  [yes])])
736
737 AC_ARG_ENABLE([deprecated],
738               [AS_HELP_STRING([--enable-deprecated=@<:@no/yes@:>@],
739                               [Whether deprecated symbols should be disabled when compiling Clutter @<:@default=]deprecated_default[@:>@])],
740               [],
741               [enable_deprecated=deprecated_default])
742
743 AS_CASE([$enable_deprecated],
744
745         [no],
746         [
747           CLUTTER_DEPRECATED_CFLAGS="-DG_DISABLE_SINGLE_INCLUDES -DCOGL_DISABLE_DEPRECATED -DCLUTTER_DISABLE_DEPRECATED"
748         ],
749
750         [yes],
751         [
752           CLUTTER_DEPRECATED_CFLAGS="-DGLIB_DISABLE_DEPRECATION_WARNINGS -DCLUTTER_DISABLE_DEPRECATION_WARNINGS"
753         ],
754
755         [AC_MSG_ERROR([Unknown argument for --enable-deprecated])]
756 )
757
758 AC_SUBST([CLUTTER_DEPRECATED_CFLAGS])
759
760
761 dnl === Conformance test suite ================================================
762
763 AC_ARG_ENABLE([conformance],
764               [AS_HELP_STRING([--enable-conformance=@<:@no/yes@:>@],
765                               [Build conformance test suite @<:@default=yes@:>@])],
766               [],
767               [enable_conformance=yes])
768
769 AM_CONDITIONAL([BUILD_TESTS], [test "x$enable_conformance" = "xyes"])
770
771 dnl === Profiling =============================================================
772
773 m4_define([profile_default], [no])
774 AC_ARG_ENABLE(profile,
775               AS_HELP_STRING([--enable-profile=@<:@no/yes@:>@],
776                              [Turn on profiling support. yes; All profiling probe points are compiled in and may be runtime enabled. no; No profiling support will built into clutter.  @<:@default=no@:>@]),
777               [],
778               [enable_profile=profile_default])
779
780 AS_CASE([$enable_profile],
781
782         [yes],
783         [
784           AS_IF([test "x$GCC" = "xyes"],
785                 [
786                   PKG_CHECK_MODULES([PROFILE_DEP], [uprof-0.3])
787                   CLUTTER_PROFILE_CFLAGS="-DCLUTTER_ENABLE_PROFILE $PROFILE_DEP_CFLAGS"
788                   CLUTTER_PROFILE_LDFLAGS="$PROFILE_DEP_LIBS"
789
790                   AS_IF([test "x$enable_debug" = "xyes"], [CLUTTER_PROFILE_CFLAGS+=" -DUPROF_DEBUG"])
791                 ],
792                 [
793                   AC_MSG_ERROR([--enable-profile is currently only supported if using GCC])
794                 ])
795         ],
796
797         [no],
798         [
799           CLUTTER_PROFILE_CFLAGS=""
800           CLUTTER_PROFILE_LDFLAGS=""
801         ],
802
803         [*], [AC_MSG_ERROR([Invalid value for --enable-profile])]
804 )
805 AM_CONDITIONAL(PROFILE, test "x$enable_profile" != "xno")
806 AC_SUBST(CLUTTER_PROFILE_CFLAGS)
807 AC_SUBST(CLUTTER_PROFILE_LDFLAGS)
808
809 dnl === Coverage report =======================================================
810
811 AC_PATH_PROG([GCOV], [gcov], [enable_gcov=no])
812
813 AC_MSG_CHECKING([whether to build with gcov testing])
814
815 AC_ARG_ENABLE([gcov],
816               [AS_HELP_STRING([--enable-gcov],
817                               [Whether to enable coverage testing (requires gcc
818 and gcov)])],
819               [],
820               [enable_gcov=no])
821
822 AS_IF([test "x$enable_gcov" = "xyes" && test "x$GCC" = "xyes"],
823       [
824         AS_IF([test "x$enable_conformance" = "xno"],
825               [AC_MSG_WARN([Conformance test suite is disabled, the coverage report will be incomplete])],
826               [AC_MSG_RESULT([yes])]
827         )
828
829         GCOV_CFLAGS="-g -O0 -fprofile-arcs -ftest-coverage"
830         GCOV_LDFLAGS="-lgcov"
831       ],
832       [AC_MSG_RESULT([no])]
833 )
834
835 AM_CONDITIONAL([GCOV_ENABLED], [test "x$enable_gcov" = "xyes"])
836 AC_SUBST([GCOV_CFLAGS])
837 AC_SUBST([GCOV_LDFLAGS])
838
839 dnl === Enable strict compiler flags ==========================================
840
841 # use strict compiler flags only when building from git; the rules for
842 # distcheck will take care of turning this on when making a release
843 m4_define([maintainer_flags_default], [m4_if(m4_eval(clutter_micro_version % 2), [1], [yes], [no])])
844 AC_ARG_ENABLE([maintainer-flags],
845               [AS_HELP_STRING([--enable-maintainer-flags=@<:@no/yes/error@:>@],
846                               [Use strict compiler flags @<:@default=]maintainer_flags_default[@:>@])],
847               [],
848               [enable_maintainer_flags=maintainer_flags_default])
849
850 MAINTAINER_COMPILER_FLAGS="-Wall -Wshadow -Wcast-align -Wuninitialized
851                            -Wno-strict-aliasing -Wempty-body -Wformat
852                            -Wformat-security -Winit-self
853                            -Wdeclaration-after-statement -Wvla
854                            -Wpointer-arith"
855
856 AS_CASE([$enable_maintainer_flags],
857         [yes],
858         [
859           AS_COMPILER_FLAGS([MAINTAINER_CFLAGS], [$MAINTAINER_COMPILER_FLAGS])
860         ],
861
862         [no],
863         [
864         ],
865
866         [error],
867         [
868           MAINTAINER_COMPILER_FLAGS="$MAINTAINER_COMPILER_FLAGS -Werror"
869           AS_COMPILER_FLAGS([MAINTAINER_CFLAGS], [$MAINTAINER_COMPILER_FLAGS])
870         ],
871
872         [*],
873         [AC_MSG_ERROR([Invalid option for --enable-maintainer-flags])]
874 )
875
876 # strip leading spaces
877 MAINTAINER_CFLAGS=${MAINTAINER_CFLAGS#*  }
878 AC_SUBST(MAINTAINER_CFLAGS)
879
880 dnl === Dependencies, compiler flags and linker libraries =====================
881 # strip leading space
882 BACKEND_PC_FILES=${BACKEND_PC_FILES#* }
883
884 CLUTTER_REQUIRES="$CLUTTER_BASE_PC_FILES $IMAGE_PC_FILES $BACKEND_PC_FILES"
885 PKG_CHECK_MODULES(CLUTTER_DEPS, [$CLUTTER_REQUIRES])
886 AC_SUBST(CLUTTER_REQUIRES)
887
888 CLUTTER_CFLAGS="$FLAVOUR_CFLAGS $CLUTTER_DEPS_CFLAGS $CLUTTER_PROFILE_CFLAGS $GLIB_CFLAGS"
889 CLUTTER_LIBS="$FLAVOUR_LIBS $CLUTTER_DEPS_LIBS $CLUTTER_PROFILE_LDFLAGS $GLIB_LIBS"
890 AC_SUBST(CLUTTER_CFLAGS)
891 AC_SUBST(CLUTTER_LIBS)
892
893
894 dnl === GObject-Introspection check ===========================================
895
896 GOBJECT_INTROSPECTION_CHECK([gi_req_version])
897
898 dnl === GTK Doc check =========================================================
899
900 GTK_DOC_CHECK([gtk_doc_req_version], [--flavour no-tmpl])
901
902 # we don't want to build the documentation from a Git clone unless we
903 # explicitly tell configure to do so; this allows avoiding to recurse into
904 # the documentation directory when building Clutter inside Poky for a
905 # target device that doesn't have gtk-doc installed. for reference
906 # see: http://bugzilla.openedhand.com/show_bug.cgi?id=1047
907 #
908 # we use autogen.sh as it exists only inside the Git clones, and it
909 # is not packaged into tarballs.
910 AM_CONDITIONAL([BUILD_GTK_DOC], [test "x$enable_gtk_doc" = "xyes" || test ! -f "autogen.sh"])
911
912 # prefixes for fixing gtk-doc references
913 CAIRO_PREFIX="`$PKG_CONFIG --variable=prefix cairo`"
914 GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
915 PANGO_PREFIX="`$PKG_CONFIG --variable=prefix pango`"
916 COGL_PREFIX="`$PKG_CONFIG --variable=prefix cogl-1.0`"
917 ATK_PREFIX="`$PKG_CONFIG --variable=prefix atk`"
918 AC_SUBST(CAIRO_PREFIX)
919 AC_SUBST(GLIB_PREFIX)
920 AC_SUBST(PANGO_PREFIX)
921 AC_SUBST(COGL_PREFIX)
922 AC_SUBST(ATK_PREFIX)
923
924 dnl === Manual ================================================================
925
926 AC_ARG_ENABLE([docs],
927               [AS_HELP_STRING([--enable-docs=@<:@no/yes@:>@],
928                               [Build optional documentation; requires xsltproc and jw.])],
929               [enable_docs=$enableval],
930               [enable_docs=no])
931
932 enable_pdfs=no
933 AS_IF([test "x$enable_docs" = "xyes"],
934       [
935         AC_PATH_PROG(JW, [jw], [no])
936         AS_IF([test "x$JW" = "xno"],
937               [
938                 AC_MSG_WARN([jw not found; pdf generation has been disabled])
939               ],
940               [enable_pdfs=yes])
941
942         AC_PATH_PROG(XSLTPROC, [xsltproc], [no])
943         AS_IF([test "x$XSLTPROC" = "xno"],
944               [
945                 AC_MSG_ERROR([xsltproc not found])
946               ])
947       ]
948 )
949
950 AM_CONDITIONAL(ENABLE_DOCS, [test "x$enable_docs" = "xyes"])
951 AM_CONDITIONAL(ENABLE_PDFS, [test "x$enable_pdfs" = "xyes"])
952
953 dnl === I18N ==================================================================
954
955 AM_GNU_GETTEXT_VERSION([0.17])
956 AM_GNU_GETTEXT([external])
957
958 GETTEXT_PACKAGE="clutter-1.0"
959 AC_SUBST(GETTEXT_PACKAGE)
960 AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE],
961                    ["$GETTEXT_PACKAGE"],
962                    [The prefix for our gettext translation domains.])
963 AS_ALL_LINGUAS
964
965 dnl ===========================================================================
966
967 AC_CONFIG_FILES([
968         Makefile
969
970         README
971
972         build/Makefile
973         build/autotools/Makefile
974         build/mingw/Makefile
975
976         clutter/Makefile
977         clutter/clutter-config.h
978         clutter/clutter-version.h
979         clutter/clutter-$CLUTTER_API_VERSION.pc:clutter/clutter.pc.in
980
981         clutter/cally/cally-$CLUTTER_API_VERSION.pc:clutter/cally/cally.pc.in
982
983         clutter/egl/clutter-cex100.h
984
985         tests/Makefile
986         tests/accessibility/Makefile
987         tests/conform/Makefile
988         tests/conform/test-launcher.sh
989         tests/data/Makefile
990         tests/interactive/Makefile
991         tests/interactive/wrapper.sh
992         tests/micro-bench/Makefile
993         tests/performance/Makefile
994
995         doc/Makefile
996         doc/reference/Makefile
997         doc/reference/clutter/Makefile
998         doc/reference/clutter/clutter-docs.xml
999         doc/reference/cally/Makefile
1000         doc/reference/cally/cally-docs.xml
1001         doc/common/Makefile
1002         doc/cookbook/Makefile
1003         doc/cookbook/clutter-cookbook.xml
1004         doc/cookbook/examples/Makefile
1005
1006         po/Makefile.in
1007 ])
1008
1009 AC_OUTPUT
1010
1011 dnl === Summary ===============================================================
1012
1013 echo ""
1014 echo "Clutter - $VERSION (${CLUTTER_RELEASE_STATUS})"
1015
1016 # Global flags
1017 echo ""
1018 echo " • Global:"
1019 echo "        Prefix: ${prefix}"
1020 echo "        Libdir: ${libdir}"
1021 echo "        Sysconfdir: ${sysconfdir}"
1022
1023 # Compiler/Debug related flags
1024 echo ""
1025 echo " • Compiler options:"
1026 echo "        Clutter debug level: ${enable_debug}"
1027 echo "        Compiler flags: ${CFLAGS} ${MAINTAINER_CFLAGS}"
1028 echo "        Profiling enabled: ${enable_profile}"
1029 echo "        Enable coverage tests: ${enable_gcov}"
1030 echo "        Enable deprecated symbols: ${enable_deprecated}"
1031
1032 # Documentation
1033 echo ""
1034 echo " • Documentation:"
1035 echo "        Build API Reference: ${enable_gtk_doc}"
1036 echo "        Build Additional Documentation: ${enable_docs} (Generate PDF: ${enable_pdfs})"
1037
1038 # Miscellaneous
1039 echo ""
1040 echo " • Extra:"
1041 echo "        Build introspection data: ${enable_introspection}"
1042 echo "        Build conformance test suite: ${enable_conformance}"
1043 echo "        Build X11-specific tests: ${x11_tests}"
1044
1045 # Clutter backend related flags
1046 echo ""
1047 echo " • Clutter Backends:"
1048
1049 if test "x$experimental_backend" = "xno"; then
1050 echo "        Windowing systems: ${CLUTTER_BACKENDS}"
1051 else
1052 echo "        Windowing systems: ${CLUTTER_BACKENDS} (WARNING: Experimental backends enabled)"
1053 fi
1054
1055 if test "x$SUPPORT_X11" = "x1"; then
1056 echo ""
1057 echo "        Enable XComposite: ${have_xcomposite}"
1058 echo "        Enable XInput: ${have_xinput}"
1059 echo "        Enable Xge: ${have_xge}"
1060 echo "        Enable XI2: ${have_xinput2}"
1061 echo "        Enable XKB: ${have_xkb}"
1062 fi
1063
1064 if test "x$SUPPORT_EGL" = "x1"; then
1065 echo ""
1066 echo "        Enable TSLib: ${have_tslib}"
1067 echo "        Enable evdev: ${have_evdev}"
1068 echo "        Enable GDL: ${have_gdl}"
1069 fi
1070
1071 echo ""
1072
1073 # General warning about experimental features
1074 if test "x$experimental_backend" = "xyes"; then
1075 echo ""
1076 echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠"
1077 echo " *WARNING*"
1078 echo ""
1079 echo "  The stability of your build might be affected by one or more"
1080 echo "  experimental backends or experimental and unsupported features"
1081 echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠"
1082 echo ""
1083 fi