summaryrefslogtreecommitdiff
path: root/configure.ac
blob: 910af2e50728a31cc83f4bd5f8fc53380851d3d7 (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
dnl autoconf configuration file for gst-plugins 
AC_INIT
AC_CANONICAL_TARGET

dnl We disable static building for development, for time savings
dnl this goes before AS_LIBTOOL to appease autoconf
dnl *NOTE*: dnl this line before release, so release does static too
AM_DISABLE_STATIC

dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE

dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
AS_VERSION(gst-plugins-bad, GST_PLUGINS_BAD_VERSION, 0, 9, 5, 1,
    GST_CVS="no", GST_CVS="yes")

AM_INIT_AUTOMAKE($PACKAGE,$VERSION)

dnl our libraries and install dirs use major.minor as a version
GST_MAJORMINOR=$GST_PLUGINS_BAD_VERSION_MAJOR.$GST_PLUGINS_BAD_VERSION_MINOR
dnl we override it here if we need to for the release candidate of new series
GST_MAJORMINOR=0.9
AC_SUBST(GST_MAJORMINOR)

dnl CURRENT, REVISION, AGE
dnl - library source changed -> increment REVISION
dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
dnl - interfaces added -> increment AGE
dnl - interfaces removed -> AGE = 0
dnl for 0.8.3 release, gst_play_get_all_by_interface was added, so update
AS_LIBTOOL(GST_PLUGINS, 1, 0, 1)
AS_LIBTOOL_TAGS([CXX])
AM_PROG_LIBTOOL

AC_CONFIG_SRCDIR([gst/qtdemux/qtdemux.c])
AM_CONFIG_HEADER(config.h)

dnl Add parameters for aclocal
dnl (This must come after AM_INIT_AUTOMAKE, since it modifies ACLOCAL)
ACLOCAL_FLAGS="-I m4 -I common/m4"
AC_SUBST(ACLOCAL_AMFLAGS, $ACLOCAL_FLAGS)

AC_PROG_CC
AM_PROG_CC_STDC
AM_PROG_AS
AS="${CC}"
AS_PROG_OBJC

dnl the gettext stuff needed
AM_GNU_GETTEXT_VERSION(0.11.5)
AM_GNU_GETTEXT([external])
                                                                            
GETTEXT_PACKAGE=gst-plugins-bad-$GST_MAJORMINOR
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], "$GETTEXT_PACKAGE",
                  [gettext package name])

GST_ARG_EXAMPLES

dnl define LOCALEDIR in config.h
AS_AC_EXPAND(LOCALEDIR, $datadir/locale)
AC_DEFINE_UNQUOTED([LOCALEDIR], "$LOCALEDIR",
                   [gettext locale dir])

dnl decide on error flags
AS_COMPILER_FLAG(-Wall, GST_WALL="yes", GST_WALL="no")

if test "x$GST_WALL" = "xyes"; then
   GST_ERROR="$GST_ERROR -Wall"

   if test "x$GST_CVS" = "xyes"; then
     AS_COMPILER_FLAG(-Werror,GST_ERROR="$GST_ERROR -Werror",GST_ERROR="$GST_ERROR")
   fi
fi

dnl determine c++ compiler
AC_PROG_CXX
dnl determine if c++ is available on this system
AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
dnl determine c++ preprocessor
AC_PROG_CXXCPP
AC_ISC_POSIX

AC_HEADER_STDC([])
AC_C_INLINE
AX_CREATE_STDINT_H

dnl Check for malloc.h
AC_CHECK_HEADER(malloc.h,[
  AC_DEFINE(HAVE_MALLOC_H, 1, [whether malloc.h available])
])

dnl Check for a way to display the function name in debug output
GST_CHECK_FUNCTION()

dnl define correct errorlevel for debugging messages. We want to have GST_ERROR
dnl messages printed when running cvs builds
if test "x$GST_CVS" = "xyes"; then
  AC_DEFINE(GST_LEVEL_DEFAULT, GST_LEVEL_ERROR, [Default errorlevel to use])
fi

dnl Check for FIONREAD ioctl declaration :
GST_CHECK_FIONREAD()

DEFAULT_AUDIOSINK="autoaudiosink"
DEFAULT_VIDEOSINK="autovideosink"
DEFAULT_AUDIOSRC="alsasrc"
DEFAULT_VIDEOSRC="v4lsrc"
DEFAULT_VISUALIZER="goom"
case "$host" in 
  *-sun-* | *pc-solaris* )
    DEFAULT_AUDIOSRC="sunaudiosrc"
    ;;
  *-darwin* )
    DEFAULT_AUDIOSRC="osxaudiosrc"
    ;;
esac

AC_SUBST(DEFAULT_AUDIOSINK)
AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSINK,"$DEFAULT_AUDIOSINK",[Default audio sink])
AC_SUBST(DEFAULT_AUDIOSRC)
AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSRC,"$DEFAULT_AUDIOSRC",[Default audio source])
AC_SUBST(DEFAULT_VIDEOSINK)
AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSINK,"$DEFAULT_VIDEOSINK",[Default video sink])
AC_SUBST(DEFAULT_VIDEOSRC)
AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSRC,"$DEFAULT_VIDEOSRC",[Default video source])
AC_SUBST(DEFAULT_VISUALIZER)
AC_DEFINE_UNQUOTED(DEFAULT_VISUALIZER,"$DEFAULT_VISUALIZER",[Default visualizer])

dnl ############################################
dnl # Super Duper options for plug-in building #
dnl ############################################

dnl ext plug-ins; plug-ins that have external dependencies
GST_CHECK_FEATURE(EXTERNAL, [enable building of plug-ins with external deps],,
[HAVE_EXTERNAL=yes],enabled,
[
  AC_MSG_WARN(building external plug-ins)
  BUILD_EXTERNAL="yes"
],[
  AC_MSG_WARN(all plug-ins with external dependencies will not be built)
  BUILD_EXTERNAL="no"
])
# make BUILD_EXTERNAL available to Makefile.am
AM_CONDITIONAL(BUILD_EXTERNAL, test "x$BUILD_EXTERNAL" = "xyes")

dnl experimental plug-ins; stuff that hasn't had the dust settle yet
dnl read 'builds, but might not work'UTO
GST_CHECK_FEATURE(EXPERIMENTAL, [enable building of experimental plug-ins],,
[HAVE_EXPERIMENTAL=yes],disabled,
[
  AC_MSG_WARN(building experimental plug-ins)
  USE_TARKIN="yes"
],[
  AC_MSG_NOTICE(not building experimental plug-ins)
  USE_TARKIN="no"
])

dnl broken plug-ins; stuff that doesn't seem to build at the moment
GST_CHECK_FEATURE(BROKEN, [enable building of broken plug-ins],,
HAVE_BROKEN=yes,disabled,
[  
  AC_MSG_WARN([building broken plug-ins -- no bug reports on these, only patches :)])
],[
  AC_MSG_NOTICE([not building broken plug-ins])
])

dnl ##############################
dnl # Do automated configuration #
dnl ##############################

dnl Check for tools:
dnl ================

dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE()

dnl modify pkg-config path
AC_ARG_WITH(pkg-config-path, 
   AC_HELP_STRING([--with-pkg-config-path],[colon-separated list of pkg-config(1) dirs]),
   [export PKG_CONFIG_PATH=${withval}])

GST_DOCBOOK_CHECK()
dnl check architecture
GST_ARCH()

dnl check for gconftool-2

dnl this macro defines an am conditional, so it needs to be run always
AM_GCONF_SOURCE_2

translit(dnm, m, l) AM_CONDITIONAL(USE_GCONFTOOL, true)
GST_CHECK_FEATURE(GCONFTOOL, [GConf schemas], , [
  AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
  if test x$GCONFTOOL = xno; then
    AC_MSG_WARN(Not installing GConf schemas)
    HAVE_GCONFTOOL="no"
  else
    HAVE_GCONFTOOL="yes"
  fi
  AC_SUBST(HAVE_GCONFTOOL)
])

dnl check for GConf libraries
translit(dnm, m, l) AM_CONDITIONAL(USE_GCONF, true)
GST_CHECK_FEATURE(GCONF, [GConf libraries], , [
  PKG_CHECK_MODULES(GCONF, gconf-2.0, HAVE_GCONF="yes", HAVE_GCONF="no")
  AC_SUBST(GCONF_CFLAGS)
  AC_SUBST(GCONF_LIBS)
])

dnl check for gstreamer
dnl uninstalled is selected preferentially -- see pkg-config(1)
GST_REQ=0.9.0.1
PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST="yes", HAVE_GST="no")

if test "x$HAVE_GST" = "xno"; then
  AC_MSG_ERROR(no GStreamer found)
fi

GST_TOOLS_DIR=`pkg-config --variable=toolsdir gstreamer-$GST_MAJORMINOR`
if test -z $GST_TOOLS_DIR; then
  AC_MSG_ERROR([no tools dir defined in GStreamer pkg-config file; core upgrade needed.])
fi
AC_SUBST(GST_TOOLS_DIR)

dnl check for gstreamer-base; uninstalled is selected preferentially
PKG_CHECK_MODULES(GST_BASE, gstreamer-base-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_BASE="yes", HAVE_GST_BASE="no")

if test "x$HAVE_GST_BASE" = "xno"; then
  AC_MSG_ERROR(no GStreamer Base Libs found)
fi

AC_SUBST(GST_BASE_LIBS)
AC_SUBST(GST_BASE_CFLAGS)

dnl check for gstreamer-plugins-base; uinstalled is selected preferentially
PKG_CHECK_MODULES(GST_PLUGINS_BASE,
  gstreamer-plugins-base-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_PLUGINS_BASE="yes", HAVE_GST_PLUGINS_BASE="no")

if test "x$HAVE_GST_PLUGINS_BASE" = "xno"; then
  AC_MSG_ERROR(no GStreamer Base Plugins development files found)
fi

AC_SUBST(GST_PLUGINS_BASE_LIBS)
AC_SUBST(GST_PLUGINS_BASE_CFLAGS)

dnl Determine endianness
AC_C_BIGENDIAN

dnl Check for fast float to int casting as defined in C99
AC_C99_FUNC_LRINT()
AC_C99_FUNC_LRINTF()

dnl Check for essential libraries first:
dnl ====================================

GST_GLIB_CHECK([2.6.0])

dnl Check for additional libraries that we might use:
dnl =================================================

# we set the defaults always to make sure we have non-empty variables
# for the Makefile

PKG_CHECK_MODULES(LIBOIL, liboil-0.3 >= 0.3.0, HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
AC_SUBST(LIBOIL_CFLAGS)
AC_SUBST(LIBOIL_LIBS)
if test "x${HAVE_LIBOIL}" = xyes ; then
  #AC_DEFINE_UNQUOTED(HAVE_LIBOIL, 1, [Define if liboil is being used])
  true
fi

dnl ===========================================================================
dnl ============================= gst plug-ins ================================
dnl ===========================================================================

plugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR"
AC_SUBST(plugindir)

GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '[_]*(gst_|Gst|GST_).*' $GST_LIBS -no-undefined"
AC_SUBST(GST_PLUGIN_LDFLAGS)

dnl these are all the gst plug-ins, compilable without additional libs
GST_PLUGINS_ALL="\
		speed   \
		qtdemux \
		tta     \
                "

dnl see if we can build C++ plug-ins
if test "x$HAVE_CXX" = "xyes"; then
  GST_PLUGINS_ALL="$GST_PLUGINS_ALL"
else
  AC_MSG_WARN([Not compiling plug-ins requiring C++ compiler])
fi

AC_SUBST(GST_PLUGINS_ALL)

GST_PLUGINS_SELECTED=""

AC_ARG_WITH(plugins,
    AC_HELP_STRING([--with-plugins],[comma-separated list of plug-ins to compile]),
    [for i in `echo $withval | tr , ' '`; do
        if echo $GST_PLUGINS_ALL | grep $i > /dev/null
        then
            GST_PLUGINS_SELECTED="$GST_PLUGINS_SELECTED $i"
        else
            echo "plug-in $i not recognized, ignoring..."
        fi
    done],
    [GST_PLUGINS_SELECTED=$GST_PLUGINS_ALL])

AC_SUBST(GST_PLUGINS_SELECTED)

dnl ==========================================================================
dnl ============================= sys plug-ins ================================
dnl ==========================================================================


dnl ###########################
dnl # Configure external libs #
dnl ###########################

dnl **** DirectFB ****
translit(dnm, m, l) AM_CONDITIONAL(USE_DIRECTFB, true)
GST_CHECK_FEATURE(DIRECTFB, [directfb], dfbvideosink , [
  PKG_CHECK_MODULES(DIRECTFB, directfb >= 0.9.24, [
    HAVE_DIRECTFB="yes"
    AC_SUBST(DIRECTFB_CFLAGS)
    AC_SUBST(DIRECTFB_LIBS)
  ], [
    HAVE_DIRECTFB="no"
  ])
])

dnl **** Free AAC Encoder (FAAC) ****
translit(dnm, m, l) AM_CONDITIONAL(USE_FAAC, true)
GST_CHECK_FEATURE(FAAC, [AAC encoder plug-in], faac, [
  GST_CHECK_LIBHEADER(FAAC, faac, faacEncOpen, -lm, faac.h, FAAC_LIBS="-lfaac -lm")
  AS_SCRUB_INCLUDE(FAAC_CFLAGS)
  AC_SUBST(FAAC_LIBS)
])

dnl **** Free AAC Decoder (FAAD) ****
translit(dnm, m, l) AM_CONDITIONAL(USE_FAAD, true)
GST_CHECK_FEATURE(FAAD, [AAC decoder plug-in], faad, [
  HAVE_FAAD="yes"
  GST_CHECK_LIBHEADER(FAAD, faad, faacDecOpen, -lm, faad.h, FAAD_LIBS="-lfaad -lm", HAVE_FAAD="no")
  if test $HAVE_FAAD = "yes"; then
    AC_MSG_CHECKING([Checking for FAAD >= 2])
    AC_TRY_RUN([

#include <faad.h>
#if !defined(FAAD2_VERSION) || !defined(FAAD_FMT_DOUBLE)
#error Not faad2
#else
#include <string.h>

int main()
{
char version[9] = FAAD2_VERSION;
// a release candidate of 2.0 is not enought for us
if ( strstr( version, "2.0 RC" ) ) { return 1; }

return 0;
}

#endif
    ],
       [ HAVE_FAAD="yes" && AC_MSG_RESULT(yes)],
       [ HAVE_FAAD="no"  && AC_MSG_RESULT(no)])
  fi;
  AS_SCRUB_INCLUDE(FAAD_CFLAGS)
  AC_SUBST(FAAD_LIBS)
])

dnl Check for X11

dnl now try to find the HEADER
AC_CHECK_HEADER(X11/Xlib.h, HAVE_X="yes", HAVE_X="no")

AC_PATH_XTRA

if test "x$HAVE_X" = "xno"
then
  AC_MSG_NOTICE([cannot find X11 development files])
else
  dnl this is much more than we want
  X_LIBS="$X_LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
  dnl AC_PATH_XTRA only defines the path needed to find the X libs,
  dnl it does not add the libs; therefore we add them here
  X_LIBS="$X_LIBS -lX11"
  AC_SUBST(X_CFLAGS)
  AC_SUBST(X_LIBS)
fi

dnl *** musepack ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MUSEPACK, true)
GST_CHECK_FEATURE(MUSEPACK, [musepackdec], musepack, [
  AC_LANG_CPLUSPLUS
  AC_CHECK_HEADER([mpcdec/mpcdec.h], [
    HAVE_MUSEPACK="yes"
    MUSEPACK_LIBS="-lmpcdec"
    AC_SUBST(MUSEPACK_LIBS)
    ], [HAVE_MUSEPACK="no"])
  AC_LANG_C
])


dnl *** SDL ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SDL, true)
GST_CHECK_FEATURE(SDL, [SDL plug-in], sdlvideosink, [
    AM_PATH_SDL(, HAVE_SDL=yes, HAVE_SDL=no)
])

dnl *** ivorbis ***
dnl AM_PATH_IVORBIS only takes two options
translit(dnm, m, l) AM_CONDITIONAL(USE_IVORBIS, true)
GST_CHECK_FEATURE(IVORBIS, [integer vorbis plug-in], ivorbisdec, [
  IVORBIS_LIBS=
  IVORBIS_CFLAGS=
  AC_CHECK_LIB(vorbisidec, vorbis_block_init,
    [IVORBIS_LIBS=-lvorbisidec
     HAVE_IVORBIS=yes],
    HAVE_IVORBIS=no)
  AC_SUBST(IVORBIS_LIBS)
  AC_SUBST(IVORBIS_CFLAGS)
])

dnl *** gsm ***
translit(dnm, m, l) AM_CONDITIONAL(USE_GSM, true)
GST_CHECK_FEATURE(GSM, [GSM library], gsmenc gsmdec, [
  GST_CHECK_LIBHEADER(GSM, gsm, gsm_create, , gsm.h, GSM_LIBS="-lgsm")
  if test $HAVE_GSM != "yes"; then
    GST_CHECK_LIBHEADER(GSM, gsm, gsm_create, , gsm/gsm.h, GSM_LIBS="-lgsm")
    if test $HAVE_GSM = "yes"; then 
      AC_DEFINE(GSM_HEADER_IN_SUBDIR, 1, [Define if GSM header in gsm/ subdir])
    fi
  fi
  AC_SUBST(GSM_LIBS)
])

dnl also add builddir include for enumtypes and marshal
GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GST_ERROR"

AC_SUBST(GST_LIBS)
AC_SUBST(GST_CFLAGS)

dnl ######################
dnl # Checks for gtk-doc #
dnl ######################

GTK_DOC_CHECK([1.3])
AS_PATH_PYTHON([2.1])

dnl ############################
dnl # Set up some more defines #
dnl ############################

dnl set license and copyright notice
AC_DEFINE(GST_LICENSE, "LGPL", [GStreamer license])

dnl package name in plugins
AC_ARG_WITH(package-name,
AC_HELP_STRING([--with-package-name],[specify package name to use in plugins]),
[case "${withval}" in
  yes) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
  no) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
  *) GST_PACKAGE="${withval}" ;;
esac], 
[
dnl default value
if test "x$GST_CVS" = "xyes"
then
  dnl nano >= 1
  GST_PACKAGE="GStreamer CVS/prerelease"
else
  GST_PACKAGE="GStreamer source release"
fi
]
)
AC_MSG_NOTICE(Using $GST_PACKAGE as package name)
AC_DEFINE_UNQUOTED(GST_PACKAGE, "$GST_PACKAGE", [package name in plugins])

dnl package origin URL
AC_ARG_WITH(package-origin,
AC_HELP_STRING([--with-package-origin],[specify package origin URL to use in plugins]),
[case "${withval}" in
  yes) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
  no) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
  *) GST_ORIGIN="${withval}" ;;
esac], 
[GST_ORIGIN="http://gstreamer.freedesktop.org/"]) dnl Default value
AC_MSG_NOTICE(Using $GST_ORIGIN as package origin)
AC_DEFINE_UNQUOTED(GST_ORIGIN, "$GST_ORIGIN", [package origin])

dnl #########################
dnl # Make the output files #
dnl #########################
dnl po/Makefile.in

AC_CONFIG_FILES(
Makefile
gst-plugins-bad.spec
gst/Makefile
gst/speed/Makefile
gst/qtdemux/Makefile
gst/tta/Makefile
sys/Makefile
examples/Makefile
examples/directfb/Makefile
ext/Makefile
ext/directfb/Makefile
ext/faac/Makefile
ext/faad/Makefile
ext/ivorbis/Makefile
ext/gsm/Makefile
ext/musepack/Makefile
ext/sdl/Makefile
docs/Makefile
docs/plugins/Makefile
docs/version.entities
common/Makefile
common/m4/Makefile
m4/Makefile
)
AC_OUTPUT

echo "configure: *** Core plug-ins, always built:"
( for i in $GST_PLUGINS_ALL; do echo -e '\t'$i; done ) | sort
echo
echo -n "configure: *** Plug-ins relying on libraries that will be built:"
echo -e "$GST_PLUGINS_YES" | sort
echo
echo -n "configure: *** Plug-ins relying on libraries that will NOT be built:"
echo -e "$GST_PLUGINS_NO" | sort
echo
if test "x$BUILD_EXTERNAL" = "xno"; then
  echo "configure: *** No external plug-ins will be built"
fi