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revision 504 by schoenebeck, Tue May 3 00:37:35 2005 UTC revision 1161 by iliev, Mon Apr 16 15:51:18 2007 UTC
# Line 1  Line 1 
1  AC_INIT(configure.in)  AC_INIT(configure.in)
2    
3    #------------------------------------------------------------------------------------
4    # LinuxSampler's / liblinuxsampler's "official" release version:
5    
6    LINUXSAMPLER_RELEASE_MAJOR=0
7    LINUXSAMPLER_RELEASE_MINOR=4
8    LINUXSAMPLER_RELEASE_BUILD=0.4cvs
9    
10    #------------------------------------------------------------------------------------
11    # The following is the libtool / shared library version. This doesn't have to
12    # do anything with the release version. It MUST conform to the following rules:
13    #
14    #  1. Start with version information of `0:0:0' for each libtool library.
15    #  2. Update the version information only immediately before a public release of
16    #     your software. More frequent updates are unnecessary, and only guarantee
17    #     that the current interface number gets larger faster.
18    #  3. If the library source code has changed at all since the last update, then
19    #     increment revision (`c:r:a' becomes `c:r+1:a').
20    #  4. If any interfaces have been added, removed, or changed since the last update,
21    #     increment current, and set revision to 0.
22    #  5. If any interfaces have been added since the last public release, then increment
23    #     age.
24    #  6. If any interfaces have been removed since the last public release, then set age
25    #     to 0.
26    
27    LIBLINUXSAMPLER_LT_CURRENT=0
28    LIBLINUXSAMPLER_LT_REVISION=0
29    LIBLINUXSAMPLER_LT_AGE=0
30    SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE"
31    
32    #------------------------------------------------------------------------------------
33    # the LSCP specification version this LinuSampler release complies with:
34    
35    LSCP_RELEASE_MAJOR=1
36    LSCP_RELEASE_MINOR=2
37    
38    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MAJOR, ${LSCP_RELEASE_MAJOR}, [LSCP spec major version this release complies with.])
39    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MINOR, ${LSCP_RELEASE_MINOR}, [LSCP spec minor version this release complies with.])
40    
41    AM_PROG_LIBTOOL
42    
43    AC_SUBST(SHLIB_VERSION_ARG)
44    AC_SUBST(SHARED_VERSION_INFO)
45    
46  AC_C_BIGENDIAN  AC_C_BIGENDIAN
47  AC_CANONICAL_SYSTEM  AC_CANONICAL_SYSTEM
48    
# Line 9  AC_SUBST(target_os) Line 53  AC_SUBST(target_os)
53  AC_SUBST(target_vendor)  AC_SUBST(target_vendor)
54    
55    
56    ###########################################################################
57    # General Checks
58    
59  echo -n "checking whether x86 architecture... "  AC_MSG_CHECKING([whether x86 architecture])
60  def_arch_x86=0  def_arch_x86=0
61  case $target_cpu in  case $target_cpu in
62    "i386" | "i486" | "i586" | "i686" | "i786")    "i386" | "i486" | "i586" | "i686" | "i786")
# Line 21  case $target_cpu in Line 67  case $target_cpu in
67  esac  esac
68  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
69    
70    # determine the right gcc switch for CPU specific optimizations
71    # (only if the user did not provide one)
72    CXX_CPU_SWITCH=
73    if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then
74      if test "$def_arch_x86" = 1; then
75        CXX_CPU_SWITCH="-march=$target_cpu"
76      elif test "$target_cpu" = "ppc"; then
77        CXX_CPU_SWITCH="-arch=$target_cpu"
78      fi
79    fi
80    AC_SUBST([CXX_CPU_SWITCH])
81    
82  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
83  AC_LANG_SAVE  AC_LANG_SAVE
# Line 54  if test "$have_unix98" = "no"; then Line 111  if test "$have_unix98" = "no"; then
111      fi      fi
112  fi  fi
113    
114    # check for <features.h>
115    AC_CHECK_HEADERS(features.h)
116    
117    
118    ###########################################################################
119  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
120  # (we throw an error if there's not at least one system for audio output and MIDI input available)  # (we throw an error if there's not at least one system for audio output and MIDI input available)
121    
122  have_midi_input_driver="false"  have_midi_input_driver="false"
123  have_audio_output_driver="false"  have_audio_output_driver="false"
124    
125  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
126      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
127                               have_alsa=1    [  --disable-alsa-driver
128                               ,                            Disable support for the Advanced Linux Sound
129                               have_alsa=0                            Architecture (ALSA).],
130                  )    [config_alsa_driver="no"],
131                  ,    [config_alsa_driver="yes"]
132                  have_alsa=0  )
133  )  have_alsa=0
134  if test "$have_alsa" = "1"; then  if test "$config_alsa_driver" = "yes"; then
135      have_midi_input_driver="true"      AC_CHECK_HEADER(alsa/asoundlib.h,
136      have_audio_output_driver="true";          AC_CHECK_LIB(asound, main,
137                                     have_alsa=1
138                                     ,
139                                     have_alsa=0
140                        )
141                        ,
142                        have_alsa=0
143        )
144        if test "$have_alsa" = "1"; then
145            have_midi_input_driver="true"
146            have_audio_output_driver="true";
147        fi
148    
149        echo -n "checking Alsa version... "
150        AC_LANG_SAVE
151        AC_LANG_C
152        AC_TRY_RUN([
153            #include <alsa/asoundlib.h>
154            void main(void) {
155                /* ensure backward compatibility */
156                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
157                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
158                #endif
159                exit(SND_LIB_MAJOR);
160            }
161        ],
162        alsa_major=0,
163        alsa_major=$?,
164        alsa_major=0
165        )
166        AC_TRY_RUN([
167            #include <alsa/asoundlib.h>
168            void main(void) {
169                /* ensure backward compatibility */
170                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
171                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
172                #endif
173                exit(SND_LIB_MINOR);
174            }
175        ],
176        alsa_minor=0,
177        alsa_minor=$?,
178        alsa_minor=0
179        )
180        AC_TRY_RUN([
181            #include <alsa/asoundlib.h>
182            void main(void) {
183                /* ensure backward compatibility */
184                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
185                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
186                #endif
187                exit(SND_LIB_SUBMINOR);
188            }
189        ],
190        alsa_subminor=0,
191        alsa_subminor=$?,
192        alsa_subminor=0
193        )
194        AC_LANG_RESTORE
195        echo "$alsa_major.$alsa_minor.$alsa_subminor";
196        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
197        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
198        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
199    else
200        echo "ALSA support disabled by configure script parameter"
201  fi  fi
202  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
203  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])
204    
205    # JACK
206  echo -n "checking Alsa version... "  AC_ARG_ENABLE(jack-driver,
207  AC_LANG_SAVE    [  --disable-jack-driver
208  AC_LANG_C                            Disable support for the Jack Audio Connection Kit
209  AC_TRY_RUN([                            (JACK).],
210  #include <alsa/asoundlib.h>    [config_jack_driver="no"],
211  void main(void) {    [config_jack_driver="yes"]
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 alsa_major=0  
 )  
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)  
 #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR  
 #endif  
 exit(SND_LIB_MINOR);  
 }  
 ],  
 alsa_minor=0,  
 alsa_minor=$?,  
 alsa_minor=0  
 )  
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)  
 #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR  
 #endif  
 exit(SND_LIB_SUBMINOR);  
 }  
 ],  
 alsa_subminor=0,  
 alsa_subminor=$?,  
 alsa_subminor=0  
212  )  )
213  AC_LANG_RESTORE  have_jack=0
214  echo "$alsa_major.$alsa_minor.$alsa_subminor";  if test "$config_jack_driver" = "yes"; then
215  AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])      PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
216  AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])      if test $have_jack = "1"; then
217  AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])          AC_SUBST(JACK_LIBS)
218            AC_SUBST(JACK_CFLAGS)
219            AC_CHECK_LIB(jack, jack_client_name_size, [AC_DEFINE(HAVE_JACK_CLIENT_NAME_SIZE, 1, [Define to 1 if you have the `jack_client_name_size' function.])], , $JACK_LIBS)
220            have_audio_output_driver="true";
221        fi
222    else
223        echo "JACK support disabled by configure script parameter"
224    fi
225    AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
226    AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
227    
228    # ARTS
229    AC_ARG_ENABLE(arts-driver,
230      [  --disable-arts-driver
231                              Disable support for the Analogue Realtime System
232                              (aRts).],
233      [config_arts_driver="no"],
234      [config_arts_driver="yes"]
235    )
236    have_arts=0
237    if test "$config_arts_driver" = "yes"; then
238        m4_ifdef([m4_include(m4/arts.m4)],,
239                 [sinclude([m4/arts.m4])])
240        AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
241        if test "$have_arts" = "1"; then
242            have_audio_output_driver="true"
243        fi
244    else
245        echo "ARTS support disabled by configure script parameter"
246    fi
247    AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
248    AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
249    
250  # JACK  # MidiShare (Linux, OS X, Windows)
251  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  AC_ARG_ENABLE(midishare-driver,
252  AC_SUBST(JACK_LIBS)    [  --disable-midishare-driver
253  AC_SUBST(JACK_CFLAGS)                            Disable support for the MidiShare system.],
254  if test $HAVE_JACK = false; then    [config_midishare_driver="no"],
255      HAVE_JACK=0;    [config_midishare_driver="yes"]
256  else  )
257      HAVE_JACK=1  have_midishare=0
258      have_audio_output_driver="true";  if test "$config_midishare_driver" = "yes"; then
259      AC_CHECK_LIB(jack, jack_client_name_size, [AC_DEFINE(HAVE_JACK_CLIENT_NAME_SIZE, 1, [Define to 1 if you have the `jack_client_name_size' function.])], , $JACK_LIBS)      AC_CHECK_HEADER(MidiShare.h,
260            AC_CHECK_LIB(MidiShare, MidiCountEvs,
261                                    have_midishare=1,
262                                    have_midishare=0
263                        )
264                        ,
265                        have_midishare=0
266        )
267        if test "$have_midishare" = "1"; then
268            have_midi_input_driver="true"
269        fi
270    else
271        echo "MidiShare support disabled by configure script parameter"
272  fi  fi
273  AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
274  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
275    
276    # CoreMIDI (OS X)
277    AC_ARG_ENABLE(coremidi-driver,
278      [  --disable-coremidi-driver
279                              Disable support for the Apple CoreMIDI system.],
280      [config_coremidi_driver="no"],
281      [config_coremidi_driver="yes"]
282    )
283    have_coremidi=0
284    if test "$config_coremidi_driver" = "yes"; then
285        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
286            have_coremidi=1,
287            have_coremidi=0
288        )
289        if test "$have_coremidi" = "1"; then
290            have_midi_input_driver="true"
291        fi
292    else
293        echo "CoreMIDI support disabled by configure script parameter"
294    fi
295    AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
296    AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
297    
298  # Check presence of libgig  # Check presence of libgig
299  libgig_version="1.0.0"  libgig_version="3.1.1"
300  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
301  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
302      echo "Required libgig version not found!"      echo "Required libgig version not found!"
303      echo "You need to have libgig version ${libgig_version} installed!"      echo "You need to have libgig version ${libgig_version} installed!"
304      exit -1;      exit -1;
305    else
306        echo "yes, found libgig $libgig_version"
307  fi  fi
308  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
309  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
310    
311    # Check presence of sqlite3
312  # SQLITE3  sqlite_version="3.3"
313  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
314  AC_SUBST(SQLITE3_LIBS)  AC_SUBST(SQLITE3_LIBS)
315  AC_SUBST(SQLITE3_CFLAGS)  AC_SUBST(SQLITE3_CFLAGS)
316  if test $HAVE_SQLITE3 = false; then  if test $HAVE_SQLITE3 = false; then
317      HAVE_SQLITE3=0;      HAVE_SQLITE3=0;
318        instruments_db_support="no"
319        echo "*** Required sqlite version not found!"
320        echo "*** You need to have sqlite version ${sqlite_version} or higher"
321        echo "*** for instruments database support to be enabled."
322        echo "*** Support for instruments DB will be disabled!"
323  else  else
324      HAVE_SQLITE3=1      HAVE_SQLITE3=1
325        instruments_db_support="yes"
326  fi  fi
327  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
328  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])
329    
   
330  if test "$have_midi_input_driver" = "false"; then  if test "$have_midi_input_driver" = "false"; then
331      echo "No supported MIDI input system found!"      echo "No supported MIDI input system found!"
332      echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!"      echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
333        echo "ALSA, MIDIShare, CoreMIDI."
334        echo "If you think you have one of those available on your system, make sure you"
335        echo "also have the respective development (header) files installed."
336      exit -1;      exit -1;
337  fi  fi
338  if test "$have_audio_output_driver" = "false"; then  if test "$have_audio_output_driver" = "false"; then
# Line 181  if test "$have_audio_output_driver" = "f Line 342  if test "$have_audio_output_driver" = "f
342  fi  fi
343    
344    
345    ###########################################################################
346    # Handle Configuration Options
347    
348    # TODO: should we use AC_ARG_VAR(variable, description) instead?
349    
350    AC_ARG_ENABLE(asm,
351      [  --enable-asm
352                              Enable hand-crafted assembly optimizations
353                              (default=off). LinuxSampler provides CPU specific
354                              assembly optimizations for the most important
355                              synthesis algorithms. This is currently disabled
356                              by default since current asm code is broken.],
357      [config_asm="yes"],
358      [config_asm="no"]
359    )
360    if test "$config_asm" = "yes"; then
361      AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.])
362    fi
363    
364    AC_ARG_ENABLE(dev-mode,
365      [  --disable-dev-mode
366                              Disable development mode (default=on). In that mode
367                              we do some extra sanity checks here and there.
368                              This helps to spot possible problems, but reduces
369                              efficiency a bit],
370      [config_dev_mode="no"],
371      [config_dev_mode="yes"]
372    )
373    if test "$config_dev_mode" = "yes"; then
374      AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
375    fi
376    
377    AC_ARG_ENABLE(debug-level,
378      [  --enable-debug-level
379                              Specify verbosity of console messages (default=1).
380                              The higher the value, the higher will be verbosity.
381                              A value of 0 means no console output at all.
382                              There's not really an upper limit but the usual
383                              level of all messages is currently somewhere less
384                              than 10.],
385      [config_debug_level="${enableval}"],
386      [config_debug_level="1"]
387    )
388    AC_DEFINE_UNQUOTED(CONFIG_DEBUG_LEVEL, $config_debug_level, [Define console verbosity.])
389    
390    AC_ARG_ENABLE(rt-exceptions,
391      [  --enable-rt-exceptions
392                              Enable exceptions in the realtime thread
393                              (default=no). If this is enabled, exceptions will
394                              be thrown on critical errors in the realtime
395                              context as well. Otherwise if disabled
396                              segmentation faults will be forced by the
397                              application on critical errors.],
398      [config_rt_exceptions="yes"],
399      [config_rt_exceptions="no"]
400    )
401    if test "$config_rt_exceptions" = "yes"; then
402      AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
403    fi
404    
405    AC_ARG_ENABLE(preload-samples,
406      [  --enable-preload-samples
407                              Due to seeking and latency issues with hard drives
408                              we have to cache a small part of samples' head in
409                              RAM (default=32768). The higher this value the
410                              more memory will be occupied for each sample, but
411                              the safer this will be in regards of possible
412                              droputs. A 'good' value depends on the running
413                              system and usage dependant factors.],
414      [config_preload_samples="${enableval}"],
415      [config_preload_samples="32768"]
416    )
417    AC_DEFINE_UNQUOTED(CONFIG_PRELOAD_SAMPLES, $config_preload_samples, [Define amount of sample points to be cached in RAM.])
418    
419    AC_ARG_ENABLE(max-pitch,
420      [  --enable-max-pitch
421                              Specify the maximum allowed pitch value in octaves
422                              (default=4). To lower memory usage you might want
423                              set a smaller value.],
424      [config_max_pitch="${enableval}"],
425      [config_max_pitch="4"]
426    )
427    AC_DEFINE_UNQUOTED(CONFIG_MAX_PITCH, $config_max_pitch, [Define max. allowed pitch.])
428    
429    AC_ARG_ENABLE(max-events,
430      [  --enable-max-events
431                              Specify the maximum allowed amount of events to be
432                              processed per fragment (default=1024).],
433      [config_max_events="${enableval}"],
434      [config_max_events="1024"]
435    )
436    AC_DEFINE_UNQUOTED(CONFIG_MAX_EVENTS_PER_FRAGMENT, $config_max_events, [Define max. allowed events per fragment.])
437    
438    AC_ARG_ENABLE(eg-bottom,
439      [  --enable-eg-bottom
440                              Bottom limit of envelope generators
441                              (default=0.001). Certain kinds of curve types like
442                              exponential curves converge against 0 but never
443                              reach 0. So we have to define a certain low value
444                              after which we should consider all smaller values
445                              to be 'almost zero'. The smaller this value, the
446                              longer will voices survive in EG's release stage
447                              and thus waste voices. If this value is too high
448                              will cause click sounds though.],
449      [config_eg_bottom="${enableval}"],
450      [config_eg_bottom="0.001"]
451    )
452    AC_DEFINE_UNQUOTED(CONFIG_EG_BOTTOM, $config_eg_bottom, [Define bottom limit of envelopes.])
453    
454    AC_ARG_ENABLE(eg-min-release-time,
455      [  --enable-eg-min-release-time
456                              Specify the lowest allowed release time in seconds
457                              (default=0.0025). This value will also be used to
458                              ramp down voices on voice stealing. This value
459                              should always be less than the period time of the
460                              used audio driver, as in case of voice stealing
461                              the killed voice needs to be completely ramped
462                              down in the same fragment.],
463      [config_eg_min_release_time="${enableval}"],
464      [config_eg_min_release_time="0.0025"]
465    )
466    AC_DEFINE_UNQUOTED(CONFIG_EG_MIN_RELEASE_TIME, $config_eg_min_release_time, [Define min. release time.])
467    
468    AC_ARG_ENABLE(refill-streams,
469      [  --enable-refill-streams
470                              Number of streams that should be refilled in each
471                              disk thread cycle (default=4).],
472      [config_refill_streams="${enableval}"],
473      [config_refill_streams="4"]
474    )
475    AC_DEFINE_UNQUOTED(CONFIG_REFILL_STREAMS_PER_RUN, $config_refill_streams, [Define amount of streams to be refilled per cycle.])
476    
477    AC_ARG_ENABLE(stream-min-refill,
478      [  --enable-stream-min-refill
479                              Minimum refill size for disk streams (default=1024).
480                              The disk thread will go to sleep for a while if no
481                              stream had to be refilled more than this value in
482                              a disk thread cycle.],
483      [config_stream_min_refill="${enableval}"],
484      [config_stream_min_refill="1024"]
485    )
486    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MIN_REFILL_SIZE, $config_stream_min_refill, [Define min. stream refill size.])
487    
488    AC_ARG_ENABLE(stream-max-refill,
489      [  --enable-stream-max-refill
490                              Maximum refill size for disk streams
491                              (default=65536). The disk thread will refill
492                              each stream only by a size of this value per
493                              disk thread cycle.],
494      [config_stream_max_refill="${enableval}"],
495      [config_stream_max_refill="65536"]
496    )
497    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MAX_REFILL_SIZE, $config_stream_max_refill, [Define max. stream refill size.])
498    
499    AC_ARG_ENABLE(stream-size,
500      [  --enable-stream-size
501                              Size of each stream's ring buffer in sample points
502                              (default=262144).],
503      [config_stream_size="${enableval}"],
504      [config_stream_size="262144"]
505    )
506    AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_SIZE, $config_stream_size, [Define each stream's ring buffer size.])
507    
508    AC_ARG_ENABLE(max-streams,
509      [  --enable-max-streams
510                              Maximum amount of disk streams (default=90). This
511                              value should always be higher than the maximum
512                              amount of voices.],
513      [config_max_streams="${enableval}"],
514      [config_max_streams="90"]
515    )
516    AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.])
517    
518    AC_ARG_ENABLE(max-voices,
519      [  --enable-max-voices
520                              Maximum amount of voices (default=64). This value
521                              should always be lower than the maximum amount of
522                              disk streams.],
523      [config_max_voices="${enableval}"],
524      [config_max_voices="64"]
525    )
526    AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])
527    
528    AC_ARG_ENABLE(subfragment-size,
529      [  --enable-subfragment-size
530                              Every audio fragment will be splitted into
531                              subfragments. Where each subfragment renders
532                              audio with constant synthesis parameters. This is
533                              done for efficiency reasons. This parameter
534                              defines the default size of a subfragment in
535                              sample points. A large value means less CPU time
536                              whereas a low value means better audio quality
537                              (default=32).],
538      [config_subfragment_size="${enableval}"],
539      [config_subfragment_size="32"]
540    )
541    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
542    
543    AC_ARG_ENABLE(global-attenuation-default,
544      [  --enable-global-attenuation-default
545                              To prevent clipping all samples will be lowered
546                              in amplitude by this given default factor (can
547                              be overridden at runtime).
548                              (default=0.35)],
549      [config_global_attenuation_default="${enableval}"],
550      [config_global_attenuation_default="0.35"]
551    )
552    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
553    
554    AC_ARG_ENABLE(voice-steal-algo,
555      [  --enable-voice-steal-algo
556                              Voice stealing algorithm to be used. Currently
557                              available options:
558                                none:
559                                  Disable voice stealing completely.
560                                oldestvoiceonkey (default):
561                                  Try to kill a voice on the same key first,
562                                  if no success, proceed with the oldest key.
563                                oldestkey:
564                                  Try to kill a voice from the oldest active
565                                  key.],
566      [ if test ! "(" "${enableval}" = "none" \
567                  -o "${enableval}" = "oldestvoiceonkey" \
568                  -o "${enableval}" = "oldestkey" ")" ; then
569          AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo])
570        else
571          config_voice_steal_algo="${enableval}"
572        fi
573      ],
574      [config_voice_steal_algo="oldestvoiceonkey"]
575    )
576    AC_DEFINE_UNQUOTED(CONFIG_VOICE_STEAL_ALGO, voice_steal_algo_${config_voice_steal_algo}, [Define voice stealing algorithm to be used.])
577    
578    AC_ARG_ENABLE(sysex-buffer-size,
579      [  --enable-sysex-buffer-size
580                              System Exclusive Message buffer size in kB
581                              (default=2048).],
582      [config_sysex_buffer_size="${enableval}"],
583      [config_sysex_buffer_size="2048"]
584    )
585    AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
586    
587    AC_ARG_ENABLE(force-filter,
588      [  --enable-force-filter
589                              If enabled will force filter to be used even if
590                              no usage was define in instrument patch files.
591                              (default=no).],
592      [config_force_filter="yes"],
593      [config_force_filter="no"]
594    )
595    if test "$config_force_filter" = "yes"; then
596      AC_DEFINE_UNQUOTED(CONFIG_FORCE_FILTER, 1, [Define to 1 to force filter usage.])
597    fi
598    
599    AC_ARG_ENABLE(filter-cutoff-min,
600      [  --enable-filter-cutoff-min
601                              Minimum filter cutoff frequency in Hz
602                              (default=100.0).],
603      [config_filter_cutoff_min="${enableval}"],
604      [config_filter_cutoff_min="100.0"]
605    )
606    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MIN, ${config_filter_cutoff_min}f, [Define min. filter cutoff frequency.])
607    
608    AC_ARG_ENABLE(filter-cutoff-max,
609      [  --enable-filter-cutoff-max
610                              Maximum filter cutoff frequency in Hz
611                              (default=10000.0).],
612      [config_filter_cutoff_max="${enableval}"],
613      [config_filter_cutoff_max="10000.0"]
614    )
615    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MAX, ${config_filter_cutoff_max}f, [Define max. filter cutoff frequency.])
616    
617    AC_ARG_ENABLE(override-cutoff-ctrl,
618      [  --enable-override-cutoff-ctrl
619                              Override filter cutoff MIDI controller (default=no).
620                              Note: you have to define the MIDI controller number
621                              here, it's not a boolean parameter type! If this
622                              option is used, controller number given by
623                              instrument patch will be ignored and instead this
624                              supplied value will be used.],
625      [config_override_cutoff_ctrl="${enableval}"],
626      [config_override_cutoff_ctrl="no"]
627    )
628    if test ! "$config_override_cutoff_ctrl" = "no"; then
629      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_CUTOFF_CTRL, $config_override_cutoff_ctrl, [Define to a MIDI controller number to override cutoff control.])
630    fi
631    
632    AC_ARG_ENABLE(override-resonance-ctrl,
633      [  --enable-override-resonance-ctrl
634                              Override filter resonance MIDI controller
635                              (default=no). Note: you have to define the MIDI
636                              controller number here, it's not a boolean
637                              parameter type! If this option is used, controller
638                              number given by instrument patch will be ignored
639                              and instead this supplied value will be used.],
640      [config_override_resonance_ctrl="${enableval}"],
641      [config_override_resonance_ctrl="no"]
642    )
643    if test ! "$config_override_resonance_ctrl" = "no"; then
644      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_RESONANCE_CTRL, $config_override_resonance_ctrl, [Define to a MIDI controller number to override resonance control.])
645    fi
646    
647    AC_ARG_ENABLE(override-filter-type,
648      [  --enable-override-filter-type
649                              Override filter type (default=no). Options:
650                              hp: for highpass
651                              bp: for bandpass
652                              br: for bandreject
653                              lp: for lowpass
654                              lpt: for lowpass turbo],
655      [ if   test "${enableval}" = "hp" ; then
656           config_override_filter_type="::gig::vcf_type_highpass"
657        elif test "${enableval}" = "bp" ; then
658           config_override_filter_type="::gig::vcf_type_bandpass"
659        elif test "${enableval}" = "br" ; then
660           config_override_filter_type="::gig::vcf_type_bandreject"
661        elif test "${enableval}" = "lp" ; then
662           config_override_filter_type="::gig::vcf_type_lowpass"
663        elif test "${enableval}" = "lpt" ; then
664           config_override_filter_type="::gig::vcf_type_lowpassturbo"
665        elif test ! "${enableval}" = "no"; then
666           AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type])
667        fi
668      ],
669      [config_override_filter_type="no"]
670    )
671    if test ! "$config_override_filter_type" = "no"; then
672      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_FILTER_TYPE, $config_override_filter_type, [Define to a filter type to always force that filter type.])
673    fi
674    
675    AC_ARG_ENABLE(gs-checksum,
676      [  --enable-gs-checksum
677                              Enable Roland General Synth SysEx checksum check
678                              (default=no). If this is enabled, all GS SysEx
679                              messages which do not provide a correct checksum
680                              will be ignored. This is disabled by default as
681                              not all devices honor GS checksums.],
682      [config_assert_gs_sysex_checksum="yes"],
683      [config_assert_gs_sysex_checksum="no"]
684    )
685    if test "config_assert_gs_sysex_checksum" = "yes"; then
686      AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.])
687    fi
688    
689    AC_ARG_ENABLE(portamento-time-min,
690      [  --enable-portamento-time-min
691                              Minimum Portamento time in seconds
692                              (default=0.1).],
693      [config_portamento_time_min="${enableval}"],
694      [config_portamento_time_min="0.1"]
695    )
696    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
697    
698    AC_ARG_ENABLE(portamento-time-max,
699      [  --enable-portamento-time-max
700                              Maximum Portamento time in seconds
701                              (default=32).],
702      [config_portamento_time_max="${enableval}"],
703      [config_portamento_time_max="32"]
704    )
705    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
706    
707    AC_ARG_ENABLE(portamento-time-default,
708      [  --enable-portamento-time-default
709                              Default Portamento time in seconds
710                              (default=1).],
711      [config_portamento_time_default="${enableval}"],
712      [config_portamento_time_default="1"]
713    )
714    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
715    
716    AC_ARG_ENABLE(signed-triang-algo,
717      [  --enable-signed-triang-algo
718                              Signed triangular wave algorithm to be used (e.g. for LFOs).
719                              Currently available options:
720                                intmath:
721                                  Uses integer math without any branch will then be
722                                  converted to floating point value for each sample point.
723                                  This int->float conversion might hurt on some systems.
724                                intmathabs:
725                                  Similar to intmath but uses abs() function.
726                                  Depending on compiler and platrofm this could
727                                  perform better than integer math as it avoids
728                                  an extra integer multiply instruction.
729    
730                                diharmonic:
731                                  The triangular wave will be approximated by adding two
732                                  sinusoidials. This solution might especially hurt on
733                                  systems with weak floating point unit.
734                                benchmark (default):
735                                  This is not an algorithm. Use this option if the
736                                  appropriate algorithm should be automatically
737                                  chosen by the configure script by performing a
738                                  benchmark between the algorithms mentioned above.
739                                  This will NOT work for cross compilation!],
740      [ if test ! "(" "${enableval}" = "intmath" \
741                  -o "${enableval}" = "intmathabs" \
742                  -o "${enableval}" = "diharmonic" ")" ; then
743          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
744        else
745          config_signed_triang_algo="${enableval}"
746        fi
747      ],
748      [config_signed_triang_algo="benchmark"]
749    )
750    
751    AC_ARG_ENABLE(unsigned-triang-algo,
752      [  --enable-unsigned-triang-algo
753                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
754                              Currently available options:
755                                intmath:
756                                  Uses integer math without any branch will then be
757                                  converted to floating point value for each sample point.
758                                  This int->float conversion might hurt on some systems.
759                                intmathabs:
760                                  Similar to intmath but uses abs() function.
761                                  Depending on compiler and platrofm this could
762                                  perform better than integer math as it avoids
763                                  an extra integer multiply instruction.
764    
765                                diharmonic:
766                                  The triangular wave will be approximated by adding two
767                                  sinusoidials. This solution might especially hurt on
768                                  systems with weak floating point unit.
769                                benchmark (default):
770                                  This is not an algorithm. Use this option if the
771                                  appropriate algorithm should be automatically
772                                  chosen by the configure script by performing a
773                                  benchmark between the algorithms mentioned above.
774                                  This will NOT work for cross compilation!],
775      [ if test ! "(" "${enableval}" = "intmath" \
776                  -o "${enableval}" = "intmathabs" \
777                  -o "${enableval}" = "diharmonic" ")" ; then
778          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
779        else
780          config_unsigned_triang_algo="${enableval}"
781        fi
782      ],
783      [config_unsigned_triang_algo="benchmark"]
784    )
785    
786    AC_ARG_ENABLE(process-muted-channels,
787      [  --enable-process-muted-channels
788                              Enable processing of muted channels (default=no).
789                              In that mode all MIDI events in the muted channels
790                              will be processed. This will provide information
791                              about the active voices in the muted channels and
792                              will not discard notes, triggered in mute mode,
793                              when the channel is unmuted. But also will reduce
794                              the efficiency.],
795      [config_process_muted_channels="yes"],
796      [config_process_muted_channels="no"]
797    )
798    if test "$config_process_muted_channels" = "yes"; then
799      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
800    fi
801    
802    AC_ARG_ENABLE(process-all-notes-off,
803      [  --disable-process-all-notes-off
804                              Disable interpretation of All-Notes-Off MIDI
805                              messages (default=on). By default LS will release
806                              all voices whenever it receives an All-Notes-Off
807                              MIDI message. You can disable this behavior, so
808                              that LS simply ignores such messages.],
809      [config_process_all_notes_off="no"],
810      [config_process_all_notes_off="yes"]
811    )
812    if test "$config_process_all_notes_off" = "yes"; then
813      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
814    fi
815    
816    AC_ARG_ENABLE(interpolate-volume,
817      [  --disable-interpolate-volume
818                              Disable interpolation of volume modulation
819                              (default=on). With this enabled, the volume changes
820                              generated by for example the envelope generator
821                              will be smoother, minimizing the risk for audio
822                              clicks. Disable it to reduce CPU usage.],
823      [config_interpolate_volume="no"],
824      [config_interpolate_volume="yes"]
825    )
826    if test "$config_interpolate_volume" = "yes"; then
827      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
828    fi
829    
830    
831    ###########################################################################
832    # Automatic Benchmarks (to detect the best algorithms for the system)
833    
834    AC_LANG_SAVE
835    
836    if test "$config_signed_triang_algo" = "benchmark"; then
837        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
838        AC_LANG_CPLUSPLUS
839        AC_TRY_RUN([
840                #define SIGNED 1
841                #define SILENT 1
842                #include "${srcdir}/benchmarks/triang.cpp"
843            ],
844            triang_signed=0,
845            triang_signed=$?,
846            triang_signed=0
847        )
848        if test "$triang_signed" = "2"; then
849            config_signed_triang_algo="intmath"
850            echo "integer math"
851        elif test "$triang_signed" = "3"; then
852            config_signed_triang_algo="diharmonic"
853            echo "di harmonics"
854        elif test "$triang_signed" = "5"; then
855            config_signed_triang_algo="intmathabs"
856            echo "integer math using abs()"
857        else
858            echo "Benchmark of signed triangular wave algorithms failed!"
859            echo "Maybe you are doing cross compilation? In that case you have to select"
860            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
861            echo "Call './configure --help' for further information or read configure.in."
862            exit -1;
863        fi
864    fi
865    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
866    
867    if test "$config_unsigned_triang_algo" = "benchmark"; then
868        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
869        AC_LANG_CPLUSPLUS
870        AC_TRY_RUN([
871                #define SIGNED 0
872                #define SILENT 1
873                #include "${srcdir}/benchmarks/triang.cpp"
874            ],
875            triang_unsigned=0,
876            triang_unsigned=$?,
877            triang_unsigned=0
878        )
879        if test "$triang_unsigned" = "2"; then
880            config_unsigned_triang_algo="intmath"
881            echo "integer math"
882        elif test "$triang_unsigned" = "3"; then
883            config_unsigned_triang_algo="diharmonic"
884            echo "di harmonics"
885        elif test "$triang_unsigned" = "5"; then
886            config_unsigned_triang_algo="intmathabs"
887            echo "integer math using abs()"
888        else
889            echo "Benchmark of unsigned triangular wave algorithms failed!"
890            echo "Maybe you are doing cross compilation? In that case you have to select"
891            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
892            echo "Call './configure --help' for further information or read configure.in."
893            exit -1;
894        fi
895    fi
896    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
897    
898    AC_LANG_RESTORE
899    
900    
901    ###########################################################################
902    # Create Build Files
903    
904  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
905  AM_INIT_AUTOMAKE(linuxsampler, 0.3.0)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
906    
907  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
908  AC_PROG_CXX  AC_PROG_CXX
909    
910    # some gcc 4.0 versions need -msse for SSE register allocations
911    if test "$config_asm" = "yes"; then
912      if test "$def_arch_x86" = 1; then
913        CXXFLAGS="$CXXFLAGS -msse"
914      fi
915    fi
916    
917  # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like  # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like
918  # this, the dlfcn.h check in am_prog_libtool may fail.  # this, the dlfcn.h check in am_prog_libtool may fail.
919  AC_CHECK_HEADER(stdlib.h)  AC_CHECK_HEADER(stdlib.h)
920    
921  AM_PROG_LIBTOOL  AC_OUTPUT( \
922        Makefile \
923        man/Makefile \
924        man/linuxsampler.1 \
925        src/Makefile \
926        src/db/Makefile \
927        src/network/Makefile \
928        src/engines/Makefile \
929        src/engines/gig/Makefile \
930        src/engines/common/Makefile \
931        src/common/Makefile src/lib/Makefile \
932        src/lib/fileloader/Makefile \
933        src/lib/fileloader/libgig/Makefile \
934        src/testcases/Makefile \
935        src/drivers/Makefile \
936        src/drivers/audio/Makefile \
937        src/drivers/midi/Makefile \
938        linuxsampler.spec \
939        debian/Makefile \
940        Artwork/Makefile \
941        scripts/Makefile \
942        osx/Makefile \
943        osx/LinuxSampler.xcode/Makefile \
944        Documentation/Makefile \
945        Documentation/Engines/Makefile \
946        Documentation/Engines/gig/Makefile \
947        linuxsampler.pc \
948        Doxyfile \
949    )
950    
951    
952    ###########################################################################
953    # Output All Configuration Options
954    
955  AC_OUTPUT(Makefile src/Makefile src/network/Makefile src/engines/Makefile src/engines/gig/Makefile src/engines/common/Makefile src/common/Makefile src/lib/Makefile src/lib/fileloader/Makefile src/lib/fileloader/libgig/Makefile src/testcases/Makefile src/drivers/Makefile src/drivers/audio/Makefile src/drivers/midi/Makefile)  echo ""
956    echo "#####################################################################"
957    echo "# LinuxSampler Configuration                                        #"
958    echo "#-------------------------------------------------------------------#"
959    echo "# Assembly Optimizations: ${config_asm}"
960    echo "# Development Mode: ${config_dev_mode}"
961    echo "# Debug Level: ${config_debug_level}"
962    echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"
963    echo "# Preload Samples: ${config_preload_samples}"
964    echo "# Maximum Pitch: ${config_max_pitch} (octaves)"
965    echo "# Maximum Events: ${config_max_events}"
966    echo "# Envelope Bottom Level: ${config_eg_bottom} (linear)"
967    echo "# Envelope Minimum Release Time: ${config_eg_min_release_time} s"
968    echo "# Streams to be refilled per Disk Thread Cycle: ${config_refill_streams}"
969    echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"
970    echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"
971    echo "# Stream Size: ${config_stream_size}"
972    echo "# Maximum Disk Streams: ${config_max_streams}"
973    echo "# Maximum Voices: ${config_max_voices}"
974    echo "# Default Subfragment Size: ${config_subfragment_size}"
975    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
976    echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
977    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
978    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
979    echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
980    echo "# Min. Portamento Time: ${config_portamento_time_min} s"
981    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
982    echo "# Default Portamento Time: ${config_portamento_time_default} s"
983    echo "# Force Filter Usage: ${config_force_filter}"
984    echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
985    echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
986    echo "# Override Filter Cutoff Controller: ${config_override_cutoff_ctrl}"
987    echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
988    echo "# Override Filter Type: ${config_override_filter_type}"
989    echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
990    echo "# Process Muted Channels: ${config_process_muted_channels}"
991    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
992    echo "# Interpolate Volume: ${config_interpolate_volume}"
993    echo "# Instruments database support: ${instruments_db_support}"
994    echo "#-------------------------------------------------------------------#"
995    echo "# Read './configure --help' or file 'configure.in' for details.     #"
996    echo "#####################################################################"
997    echo ""
998    echo "Good. Now type 'make' to compile, followed by 'make install' as root."
999    echo ""

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