summaryrefslogtreecommitdiff
path: root/configure.ac
blob: e38aad190c440a218b6fbbdcc4beed987cbc9d40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
AC_PREREQ([2.57])

AC_INIT([spice-gtk], [m4_esyscmd(build-aux/git-version-gen .tarball-version)],
        [spice-devel@lists.freedesktop.org])

AC_CONFIG_MACRO_DIR([m4])
AM_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR([build-aux])

AM_INIT_AUTOMAKE([foreign dist-bzip2 -Wall -Werror])
LT_INIT
AM_MAINTAINER_MODE

IT_PROG_INTLTOOL([0.40.0])
AM_GNU_GETTEXT_VERSION([0.17])
AM_GNU_GETTEXT([external])

AC_SUBST([GETTEXT_PACKAGE], [spice-gtk])
AC_DEFINE([GETTEXT_PACKAGE], [PACKAGE_TARNAME], [Define to the gettext package name.])

SPICE_GTK_LOCALEDIR=[${datadir}/locale]
AC_SUBST(SPICE_GTK_LOCALEDIR)

GTK_DOC_CHECK([1.14],[--flavour no-tmpl])

# Define default SPICE_COMMON_SRCDIR
SPICE_COMMON_SRCDIR='$(top_srcdir)'/common

AC_PROG_CC
AC_PROG_CC_C99
if test x"$ac_cv_prog_cc_c99" = xno; then
    AC_MSG_ERROR([C99 compiler is required.])
fi

AC_PROG_INSTALL
AC_CANONICAL_HOST
AC_PROG_LIBTOOL
AM_PROG_CC_C_O
AC_C_BIGENDIAN
AC_PATH_PROGS(PYTHON, python2 python)
RRA_LD_VERSION_SCRIPT

AC_MSG_CHECKING([for native Win32])
case "$host_os" in
     *mingw*|*cygwin*)
        os_win32=yes
        gio_os=gio-windows-2.0
        red_target=Windows
        ;;
     *)
        os_win32=no
        gio_os=gio-unix-2.0
        red_target=Unix
        ;;
esac
AC_MSG_RESULT([$os_win32])
AM_CONDITIONAL([OS_WIN32],[test "$os_win32" = "yes"])

AC_CHECK_HEADERS([sys/ipc.h sys/shm.h])
AC_CHECK_HEADERS([sys/socket.h netinet/in.h arpa/inet.h])

dnl =========================================================================
dnl Chek optional features
PKG_CHECK_MODULES(PROTOCOL, spice-protocol >= 0.9.0)
AC_SUBST(PROTOCOL_CFLAGS)

SPICE_GLIB_REQUIRES=""
SPICE_GTK_REQUIRES=""

PKG_CHECK_MODULES(PIXMAN, pixman-1 >= 0.17.7)
AC_SUBST(PIXMAN_CFLAGS)
AC_SUBST(PIXMAN_LIBS)
SPICE_GLIB_REQUIRES+=" pixman-1 >= 0.17.7"

PKG_CHECK_MODULES(CELT051, celt051 >= 0.5.1.1)
AC_SUBST(CELT051_CFLAGS)
AC_SUBST(CELT051_LIBS)
AC_SUBST(CELT051_LIBDIR)
SPICE_GLIB_REQUIRES+=" celt051 >= 0.5.1.1"

PKG_CHECK_MODULES(SSL, openssl)
AC_SUBST(SSL_CFLAGS)
AC_SUBST(SSL_LIBS)
SPICE_GLIB_REQUIRES+=" openssl"

dnl Cyrus SASL
AC_ARG_WITH([sasl],
  [AS_HELP_STRING([--with-sasl=@<:@yes/no/auto@:>@], [use cyrus SASL for authentication @<:@default=auto@:>@])],
  [],
  [with_sasl="auto"])

SASL_CFLAGS=
SASL_LIBS=
enable_sasl=no
if test "x$with_sasl" != "xno"; then
  if test "x$with_sasl" != "xyes" -a "x$with_sasl" != "xauto"; then
    SASL_CFLAGS="-I$with_sasl"
    SASL_LIBS="-L$with_sasl"
  fi
  fail=0
  old_cflags="$CFLAGS"
  old_libs="$LIBS"
  CFLAGS="$CFLAGS $SASL_CFLAGS"
  LIBS="$LIBS $SASL_LIBS"
  AC_CHECK_HEADER([sasl/sasl.h],[],[
    if test "x$with_sasl" != "xauto" ; then
        with_sasl=no
    else
        fail=1
    fi])
  if test "x$with_sasl" != "xno" ; then
    AC_CHECK_LIB([sasl2], [sasl_client_init],[with_sasl2=yes],[with_sasl2=no])
  fi
  if test "x$with_sasl2" = "xno" -a "x$with_sasl" != "xno" ; then
    AC_CHECK_LIB([sasl], [sasl_client_init],[with_sasl=yes],[with_sasl=no])
  fi
  if test "x$with_sasl2" = "xyes"; then
    SASL_LIBS="$SASL_LIBS -lsasl2"
  elif test "x$with_sasl" = "xyes"; then
    SASL_LIBS="$SASL_LIBS -lsasl"
  else
    AC_MSG_ERROR([You must install the Cyrus SASL development package in order to compile spice-gtk])
 fi
  CFLAGS="$old_cflags"
  LIBS="$old_libs"
  if test "x$with_sasl2" = "xyes" -o "x$with_sasl" = "xyes" ; then
    AC_DEFINE_UNQUOTED([HAVE_SASL], 1,
      [whether Cyrus SASL is available for authentication])
    enable_sasl=yes
  fi
fi
AM_CONDITIONAL([HAVE_SASL], [test "x$with_sasl2" = "xyes" -o "x$with_sasl" = "xyes"])
AC_SUBST([SASL_CFLAGS])
AC_SUBST([SASL_LIBS])


AC_MSG_CHECKING([which gtk+ version to compile against])
AC_ARG_WITH([gtk],
  [AS_HELP_STRING([--with-gtk=@<:@2.0/3.0@:>@],[which gtk+ version to compile against @<:@default=3.0@:>@])],
  [case "$with_gtk" in
     2.0|3.0) ;;
     *) AC_MSG_ERROR([invalid gtk version specified]) ;;
   esac],
  [with_gtk=3.0])
AC_MSG_RESULT([$with_gtk])

case "$with_gtk" in
  2.0) GTK_API_VERSION=2.0
       GTK_REQUIRED=2.18.0
       SPICE_GTK_API_VERSION=2.0
       ;;
  3.0) GTK_API_VERSION=3.0
       GTK_REQUIRED=2.91.3
       SPICE_GTK_API_VERSION=3.0
       ;;
esac

AC_SUBST([GTK_API_VERSION])
AC_SUBST([GTK_REQUIRED])
AC_SUBST([SPICE_GTK_API_VERSION])
AM_CONDITIONAL([HAVE_GTK_2],[test "$with_gtk" = "2.0"])
AM_CONDITIONAL([HAVE_GTK_3],[test "$with_gtk" = "3.0"])

PKG_CHECK_MODULES(GTK, gtk+-$GTK_API_VERSION >= $GTK_REQUIRED)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
SPICE_GTK_REQUIRES+=" gtk+-$GTK_API_VERSION >= $GTK_REQUIRED"

PKG_CHECK_EXISTS([gtk+-x11-$with_gtk], [have_x11=yes], [have_x11=no])
AS_IF([test "x$have_x11" = "xyes"], [AC_DEFINE([HAVE_X11], 1, [Have x11?])])
AM_CONDITIONAL([WITH_DISPLAY_X11], [test "x$have_x11" = "xyes"])

PKG_CHECK_EXISTS([gtk+-quartz-$with_gtk], [have_quartz=yes], [have_quartz=no])
AS_IF([test "x$have_quartz" = "xyes"], [AC_DEFINE([HAVE_QUARTZ], 1, [Have Quartz?])])
AM_CONDITIONAL([WITH_DISPLAY_QUARTZ], [test "x$have_quartz" = "xyes"])

PKG_CHECK_EXISTS([gtk+-win32-$with_gtk], [have_win32=yes], [have_win32=no])
AS_IF([test "x$have_win32" = "xyes"], [AC_DEFINE([HAVE_WINDOWS], 1, [Have Win32?])])
AM_CONDITIONAL([WITH_DISPLAY_WINDOWS], [test "x$have_win32" = "xyes"])

if [test "x$have_x11" = "xyes" ]
then
  PKG_CHECK_MODULES(XRANDR, x11 xrandr, [have_xrandr=yes], [have_xrandr=no])
  AC_SUBST(XRANDR_CFLAGS)
  AC_SUBST(XRANDR_LIBS)
  AS_IF([test "x$have_xrandr" = "xyes"], [AC_DEFINE([HAVE_RANDR], 1, [Have xrandr?])])

  AC_CHECK_HEADERS([X11/XKBlib.h])
fi

AC_ARG_WITH([x11],
  AS_HELP_STRING([--with-x11], [Use x11/shm display backend instead of cairo @<:@default=no@:>@]))

AC_MSG_CHECKING([What rendering backend to use..])
if [test "x$with_x11" = "xyes" ]
then
  if [test "$GTK_API_VERSION" = "3.0" ]
  then
    AC_MSG_ERROR([X11 SHM backend is not compatible with GTK3])
  fi
  AC_MSG_RESULT([x11])
  AC_DEFINE([WITH_X11], 1, [Use X11 backend?])
else
  AC_MSG_RESULT([cairo])
fi
AM_CONDITIONAL([WITH_X11], [test "x$with_x11" = "xyes"])

AC_ARG_WITH([pnp-ids-path],
  AC_HELP_STRING([--with-pnp-ids-path],
                 [Specify the path to pnp.ids @<:@default=(internal)@:>@]),
  [],
  [with_pnp_ids_path="\${pnpdatadir}/pnp.ids"])

AM_CONDITIONAL(USE_INTERNAL_PNP_IDS, test "x$with_pnp_ids_path" = "x\${pnpdatadir}/pnp.ids")
PNP_IDS=$with_pnp_ids_path
AC_SUBST(PNP_IDS)
if test "x$with_pnp_ids_path" = "x\${pnpdatadir}/pnp.ids"; then
        EXTERNAL_PNP_IDS="no (internal)"
else
        EXTERNAL_PNP_IDS="$with_pnp_ids_path"
fi

PKG_CHECK_MODULES(GLIB2, glib-2.0 >= 2.22)
AC_SUBST(GLIB2_CFLAGS)
AC_SUBST(GLIB2_LIBS)

PKG_CHECK_MODULES(GOBJECT2, gobject-2.0)
AC_SUBST(GOBJECT2_CFLAGS)
AC_SUBST(GOBJECT2_LIBS)

PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.10.0 $gio_os)
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)

PKG_CHECK_MODULES(CAIRO, cairo >= 1.2.0)
AC_SUBST(CAIRO_CFLAGS)
AC_SUBST(CAIRO_LIBS)

PKG_CHECK_MODULES(GTHREAD, gthread-2.0 > 2.0.0)
AC_SUBST(GTHREAD_CFLAGS)
AC_SUBST(GTHREAD_LIBS)

AC_ARG_WITH([audio],
  AS_HELP_STRING([--with-audio=@<:@gstreamer/pulse/no@:>@], [Select audio backend @<:@default=pulse@:>@]),
  [],
  [with_audio="pulse"])

case "$with_audio" in
  gstreamer|pulse|no*)
    ;;
  *) AC_MSG_ERROR(Unsupported audio backend)
esac

AS_IF([test "x$with_audio" = "xpulse"],
      [PKG_CHECK_MODULES(PULSE, libpulse libpulse-mainloop-glib, [have_pulse=yes], [have_pulse=no])],
      [have_pulse=no])

AS_IF([test "x$have_pulse" = "xyes"],
      [AC_DEFINE([WITH_PULSE], 1, [Have pulseaudio?])],
      [AS_IF([test "x$with_audio" = "xpulse"],
             [AC_MSG_ERROR([PulseAudio requested but not found])
      ])
])
AM_CONDITIONAL([WITH_PULSE], [test "x$have_pulse" = "xyes"])
AC_SUBST(PULSE_CFLAGS)
AC_SUBST(PULSE_LIBS)

AS_IF([test "x$with_audio" = "xgstreamer"],
      [PKG_CHECK_MODULES(GST, gstreamer-0.10 gstreamer-base-0.10 gstreamer-app-0.10 gstreamer-audio-0.10, [have_gst=yes], [have_gst=no])],
      [have_gst=no])

AS_IF([test "x$have_gst" = "xyes"],
      [AC_DEFINE([WITH_GSTAUDIO], 1, [Have GStreamer?])],
      [AS_IF([test "x$with_audio" = "xgstreamer"],
             [AC_MSG_ERROR([GStreamer requested but not found])
      ])
])
AM_CONDITIONAL([WITH_GSTAUDIO], [test "x$have_gst" = "xyes"])
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)

AC_CHECK_LIB(jpeg, jpeg_destroy_decompress,
    AC_MSG_CHECKING([for jpeglib.h])
    AC_TRY_CPP(
[#include <stdio.h>
#undef PACKAGE
#undef VERSION
#undef HAVE_STDLIB_H
#include <jpeglib.h>],
        JPEG_LIBS='-ljpeg'
        AC_MSG_RESULT($jpeg_ok),
	AC_MSG_ERROR([jpeglib.h not found])),
    AC_MSG_ERROR([libjpeg not found]))
AC_SUBST(JPEG_LIBS)

AC_CHECK_LIB(z, deflate, Z_LIBS='-lz', AC_MSG_ERROR([zlib not found]))
AC_SUBST(Z_LIBS)

AC_ARG_ENABLE([smartcard],
  AS_HELP_STRING([--enable-smartcard=@<:@yes/no@:>@],
                 [Enable smartcard support @<:@default=yes@:>@]),
  [],
  [enable_smartcard="yes"])

if test "x$enable_smartcard" = "xno"; then
  AM_CONDITIONAL(WITH_SMARTCARD, false)
else
  PKG_CHECK_MODULES(SMARTCARD, libcacard >= 0.1.2)
  AC_DEFINE(USE_SMARTCARD, [1], [Define if supporting smartcard proxying])
  AM_CONDITIONAL(WITH_SMARTCARD, true)
fi

AC_ARG_ENABLE([usbredir],
  AS_HELP_STRING([--enable-usbredir=@<:@yes/no@:>@],
                 [Enable usbredir support @<:@default=yes@:>@]),
  [],
  [enable_usbredir="yes"])
AC_ARG_ENABLE([polkit],
  AS_HELP_STRING([--enable-polkit=@<:@yes/no@:>@],
                 [Enable policykit support (for the usb acl helper)@<:@default=yes@:>@]),
  [],
  [enable_polkit="yes"])

if test "x$enable_usbredir" = "xno"; then
  AM_CONDITIONAL(WITH_USBREDIR, false)
  AM_CONDITIONAL(WITH_POLKIT, false)
else
  PKG_CHECK_MODULES(GUDEV, gudev-1.0)
  PKG_CHECK_MODULES(LIBUSB, libusb-1.0 >= 1.0.9)
  PKG_CHECK_MODULES(LIBUSBREDIRHOST, libusbredirhost >= 0.3.1)
  AC_DEFINE(USE_USBREDIR, [1], [Define if supporting usbredir proxying])
  AM_CONDITIONAL(WITH_USBREDIR, true)
  if test "x$enable_polkit" = "xno"; then
    AM_CONDITIONAL(WITH_POLKIT, false)
  else
    PKG_CHECK_MODULES(POLKIT, polkit-gobject-1)
    AC_CHECK_HEADER([acl/libacl.h],,
                    AC_MSG_ERROR([cannot find headers for libacl]))
    AC_CHECK_LIB([acl], [acl_get_file], [ACL_LIBS=-lacl] [AC_SUBST(ACL_LIBS)],
                 AC_MSG_ERROR([cannot find libacl]))
    AC_DEFINE(USE_POLKIT, [1], [Define if supporting polkit])
    AM_CONDITIONAL(WITH_POLKIT, true)
    POLICYDIR=`${PKG_CONFIG} polkit-gobject-1 --variable=policydir`
    AC_SUBST(POLICYDIR)
  fi
fi

AC_ARG_WITH([coroutine],
  AS_HELP_STRING([--with-coroutine=@<:@ucontext/gthread/winfiber/auto@:>@],
                 [use ucontext or GThread for coroutines @<:@default=auto@:>@]),
  [],
  [with_coroutine=auto])

case $with_coroutine in
  ucontext|gthread|winfiber|auto) ;;
  *) AC_MSG_ERROR(Unsupported coroutine type)
esac

if test "$with_coroutine" = "auto"; then
  if test "$os_win32" = "yes"; then
    with_coroutine=winfiber
  else
    with_coroutine=ucontext
  fi
fi

if test "$with_coroutine" = "ucontext"; then
  AC_CHECK_FUNC(makecontext, [],[with_coroutine=gthread])
  AC_CHECK_FUNC(swapcontext, [],[with_coroutine=gthread])
  AC_CHECK_FUNC(getcontext, [],[with_coroutine=gthread])
fi

WITH_UCONTEXT=0
WITH_GTHREAD=0
WITH_WINFIBER=0

case $with_coroutine in
  ucontext) WITH_UCONTEXT=1 ;;
  gthread) WITH_GTHREAD=1 ;;
  winfiber) WITH_WINFIBER=1 ;;
  *) AC_MSG_ERROR(Unsupported coroutine type)
esac

AC_DEFINE_UNQUOTED(WITH_UCONTEXT,[$WITH_UCONTEXT], [Whether to use ucontext coroutine impl])
AM_CONDITIONAL(WITH_UCONTEXT, [test "x$WITH_UCONTEXT" = "x1"])

AC_DEFINE_UNQUOTED(WITH_WINFIBER,[$WITH_WINFIBER], [Whether to use fiber coroutine impl])
AM_CONDITIONAL(WITH_WINFIBER, [test "x$WITH_WINFIBER" = "x1"])

AC_DEFINE_UNQUOTED(WITH_GTHREAD,[$WITH_GTHREAD], [Whether to use gthread coroutine impl])
AM_CONDITIONAL(WITH_GTHREAD, [test "x$WITH_GTHREAD" = "x1"])

AM_CONDITIONAL([HAVE_INTROSPECTION], [test "0" != "1"])
PKG_CHECK_MODULES([GOBJECT_INTROSPECTION],
        [gobject-introspection-1.0 >= 0.9.4],
        [has_symbol_prefix=yes], [:])
GOBJECT_INTROSPECTION_CHECK([0.6.7])
AM_CONDITIONAL([G_IR_SCANNER_SYMBOL_PREFIX], [test "x$has_symbol_prefix" = "xyes"])

AC_ARG_ENABLE([vala],
  AS_HELP_STRING([--enable-vala], [Check for vala requirements @<:@default=no@:>@]),
  [],
  enable_vala="no")

VALA_REQUIRED=0.11.7
if test x$enable_vala = xyes ; then
    # check for vala
    AM_PROG_VALAC([$VALA_REQUIRED])
    AC_PATH_PROG(VAPIGEN, vapigen, no)
    if test "x$VAPIGEN" == "xno"; then
        AC_MSG_ERROR([Cannot find the "vapigen" binary in your PATH])
    fi
    AC_SUBST(VAPIGEN)
fi

AM_CONDITIONAL(WITH_VALA, [test "x$enable_vala" = "xyes"])

VAPIDIR="${datadir}/vala/vapi"
AC_SUBST(VAPIDIR)

AC_ARG_WITH([python],
  AS_HELP_STRING([--with-python], [build python bindings @<:@default=yes@:>@]),
  [case "${withval}" in
     yes|no) ;;
     *) AC_MSG_ERROR([bad value ${withval} for python option]) ;;
   esac],
  [withval=yes])

if test "$with_gtk" = "3.0"
then
  WITH_PYTHON=no
else
  WITH_PYTHON=$withval
fi

if test "$WITH_PYTHON" = "yes"; then
  PKG_CHECK_MODULES(PYGTK, pygtk-2.0 >= 2.0.0)
  AC_SUBST(PYGTK_CFLAGS)
  AC_SUBST(PYGTK_LIBS)

  AM_PATH_PYTHON

  AC_MSG_CHECKING([whether $PYTHON version >= 2.0])
  HAVE_PYTHON_REQUIRED=no
  AM_PYTHON_CHECK_VERSION([$PYTHON], [2.0],
      [HAVE_PYTHON_REQUIRED="yes"],
      [HAVE_PYTHON_REQUIRED="no"])

  AC_MSG_RESULT($HAVE_PYTHON_REQUIRED)

  if test "x$HAVE_PYTHON_REQUIRED" != "xyes"
  then
    AC_MSG_ERROR("No suitable python found")
  fi

  AM_CHECK_PYTHON_HEADERS(have_python_headers=yes,have_python_headers=no)

  if test "x$have_python_headers" != "xyes"
  then
    AC_MSG_ERROR("No python development headers found")
  fi
fi

AM_CONDITIONAL(WITH_PYTHON, [test "$WITH_PYTHON" = "yes"])

dnl ===========================================================================
dnl check compiler flags

AC_DEFUN([SPICE_CC_TRY_FLAG], [
  AC_MSG_CHECKING([whether $CC supports $1])

  spice_save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS $1"

  AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [spice_cc_flag=yes], [spice_cc_flag=no])
  CFLAGS="$spice_save_CFLAGS"

  if test "x$spice_cc_flag" = "xyes"; then
    ifelse([$2], , :, [$2])
  else
    ifelse([$3], , :, [$3])
  fi
  AC_MSG_RESULT([$spice_cc_flag])
])


dnl Use lots of warning flags with with gcc and compatible compilers

dnl Note: if you change the following variable, the cache is automatically
dnl skipped and all flags rechecked.  So there's no need to do anything
dnl else.  If for any reason you need to force a recheck, just change
dnl MAYBE_WARN in an ignorable way (like adding whitespace)

dnl MAYBE_WARN="-Wall -Wno-sign-compare -Werror -Wno-deprecated-declarations"

MAYBE_WARN="-Wall -Wno-sign-compare -Wno-deprecated-declarations"

AC_ARG_ENABLE([werror],
  AS_HELP_STRING([--enable-werror], [Use -Werror (if supported)]),
  [set_werror="$enableval"],
  [if test -d $srcdir/.git; then
     is_git_version=true
     set_werror=yes
   else
     set_werror=no
   fi])

# invalidate cached value if MAYBE_WARN has changed
if test "x$spice_cv_warn_maybe" != "x$MAYBE_WARN"; then
	unset spice_cv_warn_cflags
fi
AC_CACHE_CHECK([for supported warning flags], spice_cv_warn_cflags, [
	echo
	WARN_CFLAGS=""

	# Some warning options are not supported by all versions of
	# gcc, so test all desired options against the current
	# compiler.
	#
	# Note that there are some order dependencies
	# here. Specifically, an option that disables a warning will
	# have no net effect if a later option then enables that
	# warnings, (perhaps implicitly). So we put some grouped
	# options (-Wall and -Wextra) up front and the -Wno options
	# last.

	for W in $MAYBE_WARN; do
		SPICE_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
	done
	if test "$set_werror" != "no"; then
		SPICE_CC_TRY_FLAG(["-Werror"], [WARN_CFLAGS="$WARN_CFLAGS -Werror"])
	fi

	spice_cv_warn_cflags=$WARN_CFLAGS
	spice_cv_warn_maybe=$MAYBE_WARN

	AC_MSG_CHECKING([which warning flags were supported])])
WARN_CFLAGS="$spice_cv_warn_cflags"
SPICE_CFLAGS="$SPICE_CFLAGS $WARN_CFLAGS"

AC_SUBST(SPICE_CFLAGS)

SPICE_GLIB_CFLAGS="$PROTOCOL_CFLAGS $PIXMAN_CFLAGS $CELT051_CFLAGS $PULSE_CFLAGS $GST_CFLAGS $GLIB2_CFLAGS $GIO_CFLAGS $GOBJECT2_CFLAGS $SSL_CFLAGS $SASL_CFLAGS"
SPICE_GTK_CFLAGS="$SPICE_GLIB_CFLAGS $GTK_CFLAGS "

AC_SUBST(SPICE_GLIB_CFLAGS)
AC_SUBST(SPICE_GTK_CFLAGS)

AC_SUBST(SPICE_COMMON_SRCDIR)
AC_SUBST(SPICE_GLIB_REQUIRES)
AC_SUBST(SPICE_GTK_REQUIRES)

m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

AC_OUTPUT([
Makefile
spice-client-glib-2.0.pc
spice-client-gtk-2.0.pc
spice-client-gtk-3.0.pc
spice-controller.pc
common/Makefile
common/win/Makefile
common/win/my_getopt-1.5/Makefile
data/Makefile
data/spicy.desktop.in
data/spicy.nsis
po/Makefile.in
python_modules/Makefile
gtk/Makefile
gtk/controller/Makefile
doc/Makefile
doc/reference/Makefile
vapi/Makefile
])

dnl ==========================================================================
AC_MSG_NOTICE([

        Spice-Gtk $VERSION
        ==============

        prefix:                   ${prefix}
        c compiler:               ${CC}

        Coroutine:                ${with_coroutine}
        Audio:                    ${with_audio}
        Target:                   ${red_target}
        SASL support:             ${enable_sasl}
        Smartcard support:        ${enable_smartcard}
        USB redirection support:  ${enable_usbredir}
        Gtk:                      $GTK_API_VERSION

        Now type 'make' to build $PACKAGE

])