/[svn]/linuxsampler/trunk/configure.in
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revision 57 by schoenebeck, Sun May 2 17:45:43 2004 UTC revision 1651 by persson, Sun Jan 27 15:07:11 2008 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=5
8    LINUXSAMPLER_RELEASE_BUILD=1
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=2
28    LIBLINUXSAMPLER_LT_REVISION=0
29    LIBLINUXSAMPLER_LT_AGE=1
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=3
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    
49    AC_SUBST(target)
50    AC_SUBST(target_alias)
51    AC_SUBST(target_cpu)
52    AC_SUBST(target_os)
53    AC_SUBST(target_vendor)
54    
55    PKG_PROG_PKG_CONFIG
56    
57    ###########################################################################
58    # General Checks
59    
60  echo -n "checking whether x86 architecture... "  AC_MSG_CHECKING([whether x86 architecture])
61  def_arch_x86=0  def_arch_x86=0
62  case $target_cpu in  case $target_cpu in
63    "i386" | "i486" | "i586" | "i686" | "i786")    "i386" | "i486" | "i586" | "i686" | "i786")
# Line 14  case $target_cpu in Line 68  case $target_cpu in
68  esac  esac
69  AC_DEFINE_UNQUOTED(ARCH_X86,$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.])
70    
71    # determine the right gcc switch for CPU specific optimizations
72  AC_CHECK_HEADER(alsa/asoundlib.h,  # (only if the user did not provide one)
73      AC_CHECK_LIB(asound, main,  CXX_CPU_SWITCH=
74                               have_alsa="true"  if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then
75                               ,    if test "$def_arch_x86" = 1; then
76                               have_alsa="false"      CXX_CPU_SWITCH="-march=$target_cpu"
77                  )    elif test "$target_cpu" = "ppc"; then
78                  ,      CXX_CPU_SWITCH="-arch=$target_cpu"
79                  have_alsa="false"    fi
 )  
 if test "$have_alsa" = "false"; then  
     echo "Alsa not installed!"  
     echo "Sorry, LinuxSampler only supports Alsa sound drivers at the moment!"  
     exit -1;  
80  fi  fi
81    AC_SUBST([CXX_CPU_SWITCH])
82    
83    # check if we're on MS Windows
84    AC_CHECK_HEADERS(
85        mmsystem.h,
86        have_windows=1,
87        have_windows=0
88    )
89    AM_CONDITIONAL(HAVE_WINDOWS, test $have_windows = "1")
90    
91  echo -n "checking Alsa version... "  AC_MSG_CHECKING([whether UNIX98 compatible])
92  AC_LANG_SAVE  AC_LANG_SAVE
93  AC_LANG_C  AC_LANG_C
94  AC_TRY_RUN([  AC_TRY_RUN([
95  #include <alsa/asoundlib.h>  #ifndef _GNU_SOURCE
96  void main(void) {  #define _GNU_SOURCE 1
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 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  
97  #endif  #endif
98  exit(SND_LIB_MINOR);  #include <features.h>
 }  
 ],  
 alsa_minor=0,  
 alsa_minor=$?,  
 alsa_minor=0  
 )  
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
99  void main(void) {  void main(void) {
100  /* ensure backward compatibility */  #if _XOPEN_SOURCE >= 500
101  #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)  exit(0); /* UNIX98 compatible */
102  #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR  #else
103    exit(-1); /* not UNIX98 compatible */
104  #endif  #endif
 exit(SND_LIB_SUBMINOR);  
105  }  }
106  ],  ],
107  alsa_subminor=0,  have_unix98="yes",
108  alsa_subminor=$?,  have_unix98="no",
109  alsa_subminor=0  have_unix98="no"
110  )  )
111  AC_LANG_RESTORE  AC_LANG_RESTORE
112  echo "$alsa_major.$alsa_minor.$alsa_subminor";  AC_MSG_RESULT([$have_unix98])
113  AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])  if test "$have_unix98" = "no" -a "have_windows" = "0"; then
114  AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])      if test "x$HAVE_UNIX98" = "x"; then
115  AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
116            echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
117            echo "./configure with environment variable HAVE_UNIX98=1 in case you think you
118            echo "have a UNIX98 compatible system."
119            exit -1;
120        fi
121    fi
122    
123    # check for <features.h>
124    AC_CHECK_HEADERS(features.h)
125    
126    # test for POSIX thread library
127    m4_ifdef([m4_include(m4/pthread.m4)],,
128                 [sinclude([m4/pthread.m4])])
129    ACX_PTHREAD
130    LIBS="$PTHREAD_LIBS $LIBS"
131    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
132    CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
133    CC="$PTHREAD_CC"
134    
135    # check for a bug in NPTL-enabled glibc
136    # (see Gentoo bug report #194076)
137    AC_ARG_ENABLE(nptl-bug-check,
138      [  --disable-nptl-bug-check
139                              Disable check for a bug in certain NPTL-enabled
140                              glibc versions that caused crashs.],
141      [config_check_nptl_bug="$enableval"],
142      [config_check_nptl_bug="yes"]
143    )
144    if test "$config_check_nptl_bug" = "yes"; then
145        m4_ifdef([m4_include(m4/nptl_bug.m4)],,
146                 [sinclude([m4/nptl_bug.m4])])
147        ACX_NPTL_GLIBC_BUG([
148            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
149            echo "You seem to have a buggy PTHREAD library! LinuxSampler would"
150            echo "probably crash due to this. Please report us the system you are"
151            echo "using and/or file a bug report to the bug tracking system of"
152            echo "your distribution."
153            echo "If you have a NPTL-enabled glibc AND it was compiled for TLS as"
154            echo "well, you can try to circumvent this problem for now by setting"
155            echo "the environment variable LD_ASSUME_KERNEL=\"2.4.1\" , which"
156            echo "should cause this test to pass."
157            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
158            AC_MSG_ERROR([possibly NPTL glibc bug detected])
159        ])
160    else
161        echo "NPTL glibc bug check disabled"
162    fi
163    
164    
165    
166    ###########################################################################
167    # Checks for available audio and MIDI systems / drivers
168    # (we throw an error if there's not at least one system for audio output and MIDI input available)
169    
170    have_midi_input_driver="false"
171    have_audio_output_driver="false"
172    
173    # ALSA
174    AC_ARG_ENABLE(alsa-driver,
175      [  --disable-alsa-driver
176                              Disable support for the Advanced Linux Sound
177                              Architecture (ALSA).],
178      [config_alsa_driver="$enableval"],
179      [config_alsa_driver="yes"]
180    )
181    have_alsa=0
182    if test "$config_alsa_driver" = "yes"; then
183        AC_CHECK_HEADER(alsa/asoundlib.h,
184            AC_CHECK_LIB(asound, main,
185                                     have_alsa=1
186                                     ,
187                                     have_alsa=0
188                        )
189                        ,
190                        have_alsa=0
191        )
192        if test "$have_alsa" = "1"; then
193            have_midi_input_driver="true"
194            have_audio_output_driver="true";
195        fi
196    
197        echo -n "checking Alsa version... "
198        AC_LANG_SAVE
199        AC_LANG_C
200        AC_TRY_RUN([
201            #include <alsa/asoundlib.h>
202            void main(void) {
203                /* ensure backward compatibility */
204                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
205                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
206                #endif
207                exit(SND_LIB_MAJOR);
208            }
209        ],
210        alsa_major=0,
211        alsa_major=$?,
212        alsa_major=0
213        )
214        AC_TRY_RUN([
215            #include <alsa/asoundlib.h>
216            void main(void) {
217                /* ensure backward compatibility */
218                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
219                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
220                #endif
221                exit(SND_LIB_MINOR);
222            }
223        ],
224        alsa_minor=0,
225        alsa_minor=$?,
226        alsa_minor=0
227        )
228        AC_TRY_RUN([
229            #include <alsa/asoundlib.h>
230            void main(void) {
231                /* ensure backward compatibility */
232                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
233                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
234                #endif
235                exit(SND_LIB_SUBMINOR);
236            }
237        ],
238        alsa_subminor=0,
239        alsa_subminor=$?,
240        alsa_subminor=0
241        )
242        AC_LANG_RESTORE
243        echo "$alsa_major.$alsa_minor.$alsa_subminor";
244        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
245        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
246        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
247    else
248        echo "ALSA support disabled by configure script parameter"
249    fi
250    AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
251    AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])
252    
253  # JACK  # JACK
254  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  AC_ARG_ENABLE(jack-driver,
255  AC_SUBST(JACK_LIBS)    [  --disable-jack-driver
256  AC_SUBST(JACK_CFLAGS)                            Disable support for the Jack Audio Connection Kit
257  if test $HAVE_JACK = false; then                            (JACK).],
258      HAVE_JACK=0;    [config_jack_driver="$enableval"],
259      [config_jack_driver="yes"]
260    )
261    have_jack=0
262    if test "$config_jack_driver" = "yes"; then
263        PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
264        if test $have_jack = "1"; then
265            AC_SUBST(JACK_LIBS)
266            AC_SUBST(JACK_CFLAGS)
267            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)
268            have_audio_output_driver="true";
269        fi
270    else
271        echo "JACK support disabled by configure script parameter"
272    fi
273    AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
274    AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
275    
276    # JACK MIDI
277    have_jack_midi=0
278    if test $have_jack = "1"; then
279       linuxsampler_save_CFLAGS=$CFLAGS
280       linuxsampler_save_LIBS=$LIBS
281       CFLAGS="$JACK_CFLAGS $CFLAGS"
282       LIBS="$JACK_LIBS $LIBS"
283       AC_CHECK_HEADER(jack/midiport.h, have_jack_midi=1, have_jack_midi=0)
284       if test $have_jack_midi = "1"; then
285         AC_CHECK_FUNCS(jack_midi_get_event_count)
286         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jack/midiport.h>]], [[
287             jack_midi_clear_buffer(0, 0);
288         ]])], [AC_DEFINE(JACK_MIDI_FUNCS_NEED_NFRAMES, 1,
289                 [Define to 1 if you have the old jack midi functions that need an nframes argument.])])
290       fi
291       CFLAGS=$linuxsampler_save_CFLAGS
292       LIBS=$linuxsampler_save_LIBS
293    fi
294    AM_CONDITIONAL(HAVE_JACK_MIDI, test $have_jack_midi = "1")
295    AC_DEFINE_UNQUOTED(HAVE_JACK_MIDI, $have_jack_midi,
296                       [Define to 1 if you have JACK with MIDI support installed.])
297    
298    # ARTS
299    AC_ARG_ENABLE(arts-driver,
300      [  --disable-arts-driver
301                              Disable support for the Analogue Realtime System
302                              (aRts).],
303      [config_arts_driver="$enableval"],
304      [config_arts_driver="yes"]
305    )
306    have_arts=0
307    if test "$config_arts_driver" = "yes"; then
308        m4_ifdef([m4_include(m4/arts.m4)],,
309                 [sinclude([m4/arts.m4])])
310        AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
311        if test "$have_arts" = "1"; then
312            have_audio_output_driver="true"
313        fi
314  else  else
315      HAVE_JACK=1;      echo "ARTS support disabled by configure script parameter"
316  fi  fi
317  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
318    AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
319    
320    # ASIO AUDIO (Win32)
321    AC_ARG_ENABLE(asiosdk-dir,
322      [  --enable-asiosdk-dir
323                              Directory where the ASIO SDK is located, this automatically
324                              enables the compilation of the ASIO audio output driver.],
325      [config_asiosdk_dir="${enableval}"],
326      [config_asiosdk_dir="."]
327    )
328    AC_SUBST(config_asiosdk_dir)
329    
330    AC_ARG_ENABLE(asio-driver,
331      [  --disable-asio-driver
332                              Disable support for the Windows ASIO driver.],
333      [config_asio_driver="$enableval"],
334      [config_asio_driver="yes"]
335    )
336    have_asio=0
337    ASIOSDK_BASEDIR=
338    if test "$config_asio_driver" = "yes"; then
339        asiosdk_headerfile=$config_asiosdk_dir/ASIOSDK2/common/asio.h
340        echo -n "checking for ASIO headerfile: $asiosdk_headerfile ...."
341        if test -e $asiosdk_headerfile ; then
342            echo yes
343            have_asio=1
344            ASIOSDK_BASEDIR="$config_asiosdk_dir"
345        else
346            echo no
347            have_asio=0
348        fi
349        if test "$have_asio" = "1"; then
350            have_audio_output_driver="true"
351        fi
352    else
353        echo "Windows ASIO support disabled by configure script parameter"
354    fi
355    AC_SUBST(ASIOSDK_BASEDIR)
356    AM_CONDITIONAL(HAVE_ASIO, test $have_asio = "1")
357    AC_DEFINE_UNQUOTED(HAVE_ASIO,$have_asio,[Define to 1 if you have ASIO installed.])
358    
359    # MidiShare (Linux, OS X, Windows)
360    AC_ARG_ENABLE(midishare-driver,
361      [  --disable-midishare-driver
362                              Disable support for the MidiShare system.],
363      [config_midishare_driver="$enableval"],
364      [config_midishare_driver="yes"]
365    )
366    have_midishare=0
367    if test "$config_midishare_driver" = "yes"; then
368        AC_CHECK_HEADER(MidiShare.h,
369            AC_CHECK_LIB(MidiShare, MidiCountEvs,
370                                    have_midishare=1,
371                                    have_midishare=0
372                        )
373                        ,
374                        have_midishare=0
375        )
376        if test "$have_midishare" = "1"; then
377            have_midi_input_driver="true"
378        fi
379    else
380        echo "MidiShare support disabled by configure script parameter"
381    fi
382    AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
383    AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
384    
385    # CoreMIDI (OS X)
386    AC_ARG_ENABLE(coremidi-driver,
387      [  --disable-coremidi-driver
388                              Disable support for the Apple CoreMIDI system.],
389      [config_coremidi_driver="$enableval"],
390      [config_coremidi_driver="yes"]
391    )
392    have_coremidi=0
393    if test "$config_coremidi_driver" = "yes"; then
394        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
395            have_coremidi=1,
396            have_coremidi=0
397        )
398        if test "$have_coremidi" = "1"; then
399            have_midi_input_driver="true"
400        fi
401    else
402        echo "CoreMIDI support disabled by configure script parameter"
403    fi
404    AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
405    AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
406    
407    # MME MIDI (Win32)
408    AC_ARG_ENABLE(mmemidi-driver,
409      [  --disable-mmemidi-driver
410                              Disable support for the Windows MME MIDI system.],
411      [config_mmemidi_driver="$enableval"],
412      [config_mmemidi_driver="yes"]
413    )
414    have_mmemidi=0
415    if test "$config_mmemidi_driver" = "yes"; then
416        AC_CHECK_HEADERS(mmsystem.h,
417            have_mmemidi=1,
418            have_mmemidi=0
419        )
420        if test "$have_mmemidi" = "1"; then
421            have_midi_input_driver="true"
422        fi
423    else
424        echo "MME MIDI support disabled by configure script parameter"
425    fi
426    AM_CONDITIONAL(HAVE_MME_MIDI, test $have_mmemidi = "1")
427    AC_DEFINE_UNQUOTED(HAVE_MME_MIDI,$have_mmemidi,[Define to 1 if you have MME MIDI installed.])
428    
429    # have we found at least one MIDI input and one audio output driver ?
430    if test "$have_midi_input_driver" = "false"; then
431        echo "No supported MIDI input system found!"
432        echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
433        echo "ALSA, MIDIShare, CoreMIDI."
434        echo "If you think you have one of those available on your system, make sure you"
435        echo "also have the respective development (header) files installed."
436        exit -1;
437    fi
438    if test "$have_audio_output_driver" = "false"; then
439        echo "No supported audio output system found!"
440        echo "Sorry, LinuxSampler only supports ALSA, JACK and ARTS as audio output"
441        echo "driver at the moment!"
442        exit -1;
443    fi
444    
445    
446    
447    ###########################################################################
448    # Checks for various DLL libraries
449    
450    # Check presence of libgig
451    libgig_version="3.2.1"
452    PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
453    if test "$HAVE_GIG" = "false"; then
454        echo "Required libgig version not found!"
455        echo "You need to have libgig version ${libgig_version} installed!"
456        exit -1;
457    else
458        echo "yes, found libgig $libgig_version"
459    fi
460    AC_SUBST(GIG_CFLAGS)
461    AC_SUBST(GIG_LIBS)
462    
463    # Instruments DB feature (requires SQLite 3.3)
464    AC_ARG_ENABLE(instruments-db,
465      [  --disable-instruments-db
466                              Disable compilation of the sampler's instruments
467                              database feature. You need to have SQLite 3.3
468                              or younger installed for this feature.],
469      [config_instruments_db="$enableval"],
470      [config_instruments_db="yes"]
471    )
472    HAVE_SQLITE3=0;
473    if test "$config_instruments_db" = "yes"; then
474        # Check presence of sqlite3
475        sqlite_version="3.3"
476        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
477        AC_SUBST(SQLITE3_LIBS)
478        AC_SUBST(SQLITE3_CFLAGS)
479        if test $HAVE_SQLITE3 = false; then
480            HAVE_SQLITE3=0
481            config_instruments_db="no"
482            echo "*** Required sqlite version not found!"
483            echo "*** You need to have sqlite version ${sqlite_version} or higher"
484            echo "*** for instruments database support to be enabled."
485            echo "*** Support for instruments DB will be disabled!"
486        else
487            HAVE_SQLITE3=1
488        fi
489    else
490        echo "Instruments DB feature disabled by configure script parameter"
491    fi
492    AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
493    AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
494    
495    
496    
497    ###########################################################################
498    # Handle Configuration Options
499    
500    # TODO: should we use AC_ARG_VAR(variable, description) instead?
501    
502    AC_ARG_ENABLE(asm,
503      [  --disable-asm
504                              Enable hand-crafted assembly optimizations
505                              (default=on). LinuxSampler provides CPU specific
506                              assembly optimizations. This is currently limited
507                              to just enter a fast (denormal) FPU mode on x86
508                              platforms. There are currently no synthesis core
509                              assembly optimizations anymore since LS 0.4.0],
510      [config_asm="$enableval"],
511      [config_asm="yes"]
512    )
513    if test "$config_asm" = "yes"; then
514      AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable asm optimizations.])
515    fi
516    
517    AC_ARG_ENABLE(dev-mode,
518      [  --enable-dev-mode
519                              Enable development mode (default=off). In that mode
520                              we do some extra sanity checks here and there.
521                              This helps to spot possible problems, but reduces
522                              efficiency a bit],
523      [config_dev_mode="$enableval"],
524      [config_dev_mode="no"]
525    )
526    if test "$config_dev_mode" = "yes"; then
527      AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
528    fi
529    
530    AC_ARG_ENABLE(debug-level,
531      [  --enable-debug-level
532                              Specify verbosity of console messages (default=1).
533                              The higher the value, the higher will be verbosity.
534                              A value of 0 means no console output at all.
535                              There's not really an upper limit but the usual
536                              level of all messages is currently somewhere less
537                              than 10.],
538      [config_debug_level="${enableval}"],
539      [config_debug_level="1"]
540    )
541    AC_DEFINE_UNQUOTED(CONFIG_DEBUG_LEVEL, $config_debug_level, [Define console verbosity.])
542    
543    AC_ARG_ENABLE(rt-exceptions,
544      [  --enable-rt-exceptions
545                              Enable exceptions in the realtime thread
546                              (default=no). If this is enabled, exceptions will
547                              be thrown on critical errors in the realtime
548                              context as well. Otherwise if disabled
549                              segmentation faults will be forced by the
550                              application on critical errors.],
551      [config_rt_exceptions="$enableval"],
552      [config_rt_exceptions="no"]
553    )
554    if test "$config_rt_exceptions" = "yes"; then
555      AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
556    fi
557    
558    AC_ARG_ENABLE(pthread-testcancel,
559      [  --enable-pthread-testcancel
560                              Enable pthread_testcancel() calls and avoid asynchronous
561                              cancel of pthreads (default=no).],
562      [config_pthread_testcancel="$enableval"],
563      [config_pthread_testcancel="no"]
564    )
565    if test "$config_pthread_testcancel" = "yes"; then
566      AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
567    fi
568    
569    AC_ARG_ENABLE(preload-samples,
570      [  --enable-preload-samples
571                              Due to seeking and latency issues with hard drives
572                              we have to cache a small part of samples' head in
573                              RAM (default=32768). The higher this value the
574                              more memory will be occupied for each sample, but
575                              the safer this will be in regards of possible
576                              droputs. A 'good' value depends on the running
577                              system and usage dependant factors.],
578      [config_preload_samples="${enableval}"],
579      [config_preload_samples="32768"]
580    )
581    AC_DEFINE_UNQUOTED(CONFIG_PRELOAD_SAMPLES, $config_preload_samples, [Define amount of sample points to be cached in RAM.])
582    
583    AC_ARG_ENABLE(max-pitch,
584      [  --enable-max-pitch
585                              Specify the maximum allowed pitch value in octaves
586                              (default=4). To lower memory usage you might want
587                              set a smaller value.],
588      [config_max_pitch="${enableval}"],
589      [config_max_pitch="4"]
590    )
591    AC_DEFINE_UNQUOTED(CONFIG_MAX_PITCH, $config_max_pitch, [Define max. allowed pitch.])
592    
593    AC_ARG_ENABLE(max-events,
594      [  --enable-max-events
595                              Specify the maximum allowed amount of events to be
596                              processed per fragment (default=1024).],
597      [config_max_events="${enableval}"],
598      [config_max_events="1024"]
599    )
600    AC_DEFINE_UNQUOTED(CONFIG_MAX_EVENTS_PER_FRAGMENT, $config_max_events, [Define max. allowed events per fragment.])
601    
602    AC_ARG_ENABLE(eg-bottom,
603      [  --enable-eg-bottom
604                              Bottom limit of envelope generators
605                              (default=0.001). Certain kinds of curve types like
606                              exponential curves converge against 0 but never
607                              reach 0. So we have to define a certain low value
608                              after which we should consider all smaller values
609                              to be 'almost zero'. The smaller this value, the
610                              longer will voices survive in EG's release stage
611                              and thus waste voices. If this value is too high
612                              will cause click sounds though.],
613      [config_eg_bottom="${enableval}"],
614      [config_eg_bottom="0.001"]
615    )
616    AC_DEFINE_UNQUOTED(CONFIG_EG_BOTTOM, $config_eg_bottom, [Define bottom limit of envelopes.])
617    
618    AC_ARG_ENABLE(eg-min-release-time,
619      [  --enable-eg-min-release-time
620                              Specify the lowest allowed release time in seconds
621                              (default=0.0025). This value will also be used to
622                              ramp down voices on voice stealing. This value
623                              should always be less than the period time of the
624                              used audio driver, as in case of voice stealing
625                              the killed voice needs to be completely ramped
626                              down in the same fragment.],
627      [config_eg_min_release_time="${enableval}"],
628      [config_eg_min_release_time="0.0025"]
629    )
630    AC_DEFINE_UNQUOTED(CONFIG_EG_MIN_RELEASE_TIME, $config_eg_min_release_time, [Define min. release time.])
631    
632    AC_ARG_ENABLE(refill-streams,
633      [  --enable-refill-streams
634                              Number of streams that should be refilled in each
635                              disk thread cycle (default=4).],
636      [config_refill_streams="${enableval}"],
637      [config_refill_streams="4"]
638    )
639    AC_DEFINE_UNQUOTED(CONFIG_REFILL_STREAMS_PER_RUN, $config_refill_streams, [Define amount of streams to be refilled per cycle.])
640    
641    AC_ARG_ENABLE(stream-min-refill,
642      [  --enable-stream-min-refill
643                              Minimum refill size for disk streams (default=1024).
644                              The disk thread will go to sleep for a while if no
645                              stream had to be refilled more than this value in
646                              a disk thread cycle.],
647      [config_stream_min_refill="${enableval}"],
648      [config_stream_min_refill="1024"]
649    )
650    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MIN_REFILL_SIZE, $config_stream_min_refill, [Define min. stream refill size.])
651    
652    AC_ARG_ENABLE(stream-max-refill,
653      [  --enable-stream-max-refill
654                              Maximum refill size for disk streams
655                              (default=65536). The disk thread will refill
656                              each stream only by a size of this value per
657                              disk thread cycle.],
658      [config_stream_max_refill="${enableval}"],
659      [config_stream_max_refill="65536"]
660    )
661    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MAX_REFILL_SIZE, $config_stream_max_refill, [Define max. stream refill size.])
662    
663    AC_ARG_ENABLE(stream-size,
664      [  --enable-stream-size
665                              Size of each stream's ring buffer in sample points
666                              (default=262144).],
667      [config_stream_size="${enableval}"],
668      [config_stream_size="262144"]
669    )
670    AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_SIZE, $config_stream_size, [Define each stream's ring buffer size.])
671    
672    AC_ARG_ENABLE(max-streams,
673      [  --enable-max-streams
674                              Maximum amount of disk streams (default=90). This
675                              value should always be higher than the maximum
676                              amount of voices.],
677      [config_max_streams="${enableval}"],
678      [config_max_streams="90"]
679    )
680    AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.])
681    
682    AC_ARG_ENABLE(max-voices,
683      [  --enable-max-voices
684                              Maximum amount of voices (default=64). This value
685                              should always be lower than the maximum amount of
686                              disk streams.],
687      [config_max_voices="${enableval}"],
688      [config_max_voices="64"]
689    )
690    AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])
691    
692    AC_ARG_ENABLE(subfragment-size,
693      [  --enable-subfragment-size
694                              Every audio fragment will be splitted into
695                              subfragments. Where each subfragment renders
696                              audio with constant synthesis parameters. This is
697                              done for efficiency reasons. This parameter
698                              defines the default size of a subfragment in
699                              sample points. A large value means less CPU time
700                              whereas a low value means better audio quality
701                              (default=32).],
702      [config_subfragment_size="${enableval}"],
703      [config_subfragment_size="32"]
704    )
705    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
706    
707    AC_ARG_ENABLE(global-attenuation-default,
708      [  --enable-global-attenuation-default
709                              To prevent clipping all samples will be lowered
710                              in amplitude by this given default factor (can
711                              be overridden at runtime).
712                              (default=0.35)],
713      [config_global_attenuation_default="${enableval}"],
714      [config_global_attenuation_default="0.35"]
715    )
716    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
717    
718    AC_ARG_ENABLE(voice-steal-algo,
719      [  --enable-voice-steal-algo
720                              Voice stealing algorithm to be used. Currently
721                              available options:
722                                none:
723                                  Disable voice stealing completely.
724                                oldestvoiceonkey (default):
725                                  Try to kill a voice on the same key first,
726                                  if no success, proceed with the oldest key.
727                                oldestkey:
728                                  Try to kill a voice from the oldest active
729                                  key.],
730      [ if test ! "(" "${enableval}" = "none" \
731                  -o "${enableval}" = "oldestvoiceonkey" \
732                  -o "${enableval}" = "oldestkey" ")" ; then
733          AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo])
734        else
735          config_voice_steal_algo="${enableval}"
736        fi
737      ],
738      [config_voice_steal_algo="oldestvoiceonkey"]
739    )
740    AC_DEFINE_UNQUOTED(CONFIG_VOICE_STEAL_ALGO, voice_steal_algo_${config_voice_steal_algo}, [Define voice stealing algorithm to be used.])
741    
742    AC_ARG_ENABLE(sysex-buffer-size,
743      [  --enable-sysex-buffer-size
744                              System Exclusive Message buffer size in kB
745                              (default=2048).],
746      [config_sysex_buffer_size="${enableval}"],
747      [config_sysex_buffer_size="2048"]
748    )
749    AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
750    
751    AC_ARG_ENABLE(force-filter,
752      [  --enable-force-filter
753                              If enabled will force filter to be used even if
754                              no usage was define in instrument patch files.
755                              (default=no).],
756      [config_force_filter="$enableval"],
757      [config_force_filter="no"]
758    )
759    if test "$config_force_filter" = "yes"; then
760      AC_DEFINE_UNQUOTED(CONFIG_FORCE_FILTER, 1, [Define to 1 to force filter usage.])
761    fi
762    
763    AC_ARG_ENABLE(filter-cutoff-min,
764      [  --enable-filter-cutoff-min
765                              Minimum filter cutoff frequency in Hz
766                              (default=100.0).],
767      [config_filter_cutoff_min="${enableval}"],
768      [config_filter_cutoff_min="100.0"]
769    )
770    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MIN, ${config_filter_cutoff_min}f, [Define min. filter cutoff frequency.])
771    
772    AC_ARG_ENABLE(filter-cutoff-max,
773      [  --enable-filter-cutoff-max
774                              Maximum filter cutoff frequency in Hz
775                              (default=10000.0).],
776      [config_filter_cutoff_max="${enableval}"],
777      [config_filter_cutoff_max="10000.0"]
778    )
779    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MAX, ${config_filter_cutoff_max}f, [Define max. filter cutoff frequency.])
780    
781    AC_ARG_ENABLE(override-cutoff-ctrl,
782      [  --enable-override-cutoff-ctrl
783                              Override filter cutoff MIDI controller (default=no).
784                              Note: you have to define the MIDI controller number
785                              here, it's not a boolean parameter type! If this
786                              option is used, controller number given by
787                              instrument patch will be ignored and instead this
788                              supplied value will be used.],
789      [config_override_cutoff_ctrl="${enableval}"],
790      [config_override_cutoff_ctrl="no"]
791    )
792    if test ! "$config_override_cutoff_ctrl" = "no"; then
793      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_CUTOFF_CTRL, $config_override_cutoff_ctrl, [Define to a MIDI controller number to override cutoff control.])
794    fi
795    
796    AC_ARG_ENABLE(override-resonance-ctrl,
797      [  --enable-override-resonance-ctrl
798                              Override filter resonance MIDI controller
799                              (default=no). Note: you have to define the MIDI
800                              controller number here, it's not a boolean
801                              parameter type! If this option is used, controller
802                              number given by instrument patch will be ignored
803                              and instead this supplied value will be used.],
804      [config_override_resonance_ctrl="${enableval}"],
805      [config_override_resonance_ctrl="no"]
806    )
807    if test ! "$config_override_resonance_ctrl" = "no"; then
808      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_RESONANCE_CTRL, $config_override_resonance_ctrl, [Define to a MIDI controller number to override resonance control.])
809    fi
810    
811    AC_ARG_ENABLE(override-filter-type,
812      [  --enable-override-filter-type
813                              Override filter type (default=no). Options:
814                              hp: for highpass
815                              bp: for bandpass
816                              br: for bandreject
817                              lp: for lowpass
818                              lpt: for lowpass turbo],
819      [ if   test "${enableval}" = "hp" ; then
820           config_override_filter_type="::gig::vcf_type_highpass"
821        elif test "${enableval}" = "bp" ; then
822           config_override_filter_type="::gig::vcf_type_bandpass"
823        elif test "${enableval}" = "br" ; then
824           config_override_filter_type="::gig::vcf_type_bandreject"
825        elif test "${enableval}" = "lp" ; then
826           config_override_filter_type="::gig::vcf_type_lowpass"
827        elif test "${enableval}" = "lpt" ; then
828           config_override_filter_type="::gig::vcf_type_lowpassturbo"
829        elif test ! "${enableval}" = "no"; then
830           AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type])
831        fi
832      ],
833      [config_override_filter_type="no"]
834    )
835    if test ! "$config_override_filter_type" = "no"; then
836      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_FILTER_TYPE, $config_override_filter_type, [Define to a filter type to always force that filter type.])
837    fi
838    
839    AC_ARG_ENABLE(gs-checksum,
840      [  --enable-gs-checksum
841                              Enable Roland General Synth SysEx checksum check
842                              (default=no). If this is enabled, all GS SysEx
843                              messages which do not provide a correct checksum
844                              will be ignored. This is disabled by default as
845                              not all devices honor GS checksums.],
846      [config_assert_gs_sysex_checksum="$enableval"],
847      [config_assert_gs_sysex_checksum="no"]
848    )
849    if test "config_assert_gs_sysex_checksum" = "yes"; then
850      AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.])
851    fi
852    
853    AC_ARG_ENABLE(portamento-time-min,
854      [  --enable-portamento-time-min
855                              Minimum Portamento time in seconds
856                              (default=0.1).],
857      [config_portamento_time_min="${enableval}"],
858      [config_portamento_time_min="0.1"]
859    )
860    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
861    
862    AC_ARG_ENABLE(portamento-time-max,
863      [  --enable-portamento-time-max
864                              Maximum Portamento time in seconds
865                              (default=32).],
866      [config_portamento_time_max="${enableval}"],
867      [config_portamento_time_max="32"]
868    )
869    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
870    
871    AC_ARG_ENABLE(portamento-time-default,
872      [  --enable-portamento-time-default
873                              Default Portamento time in seconds
874                              (default=1).],
875      [config_portamento_time_default="${enableval}"],
876      [config_portamento_time_default="1"]
877    )
878    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
879    
880    AC_ARG_ENABLE(signed-triang-algo,
881      [  --enable-signed-triang-algo
882                              Signed triangular wave algorithm to be used (e.g. for LFOs).
883                              Currently available options:
884                                intmath:
885                                  Uses integer math without any branch will then be
886                                  converted to floating point value for each sample point.
887                                  This int->float conversion might hurt on some systems.
888                                intmathabs:
889                                  Similar to intmath but uses abs() function.
890                                  Depending on compiler and platrofm this could
891                                  perform better than integer math as it avoids
892                                  an extra integer multiply instruction.
893                                diharmonic:
894                                  The triangular wave will be approximated by adding two
895                                  sinusoidials. This solution might especially hurt on
896                                  systems with weak floating point unit.
897                                benchmark (default):
898                                  This is not an algorithm. Use this option if the
899                                  appropriate algorithm should be automatically
900                                  chosen by the configure script by performing a
901                                  benchmark between the algorithms mentioned above.
902                                  This will NOT work for cross compilation!],
903      [ if test ! "(" "${enableval}" = "intmath" \
904                  -o "${enableval}" = "intmathabs" \
905                  -o "${enableval}" = "diharmonic" ")" ; then
906          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
907        else
908          config_signed_triang_algo="${enableval}"
909        fi
910      ],
911      [config_signed_triang_algo="benchmark"]
912    )
913    
914    AC_ARG_ENABLE(unsigned-triang-algo,
915      [  --enable-unsigned-triang-algo
916                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
917                              Currently available options:
918                                intmath:
919                                  Uses integer math without any branch will then be
920                                  converted to floating point value for each sample point.
921                                  This int->float conversion might hurt on some systems.
922                                intmathabs:
923                                  Similar to intmath but uses abs() function.
924                                  Depending on compiler and platrofm this could
925                                  perform better than integer math as it avoids
926                                  an extra integer multiply instruction.
927                                diharmonic:
928                                  The triangular wave will be approximated by adding two
929                                  sinusoidials. This solution might especially hurt on
930                                  systems with weak floating point unit.
931                                benchmark (default):
932                                  This is not an algorithm. Use this option if the
933                                  appropriate algorithm should be automatically
934                                  chosen by the configure script by performing a
935                                  benchmark between the algorithms mentioned above.
936                                  This will NOT work for cross compilation!],
937      [ if test ! "(" "${enableval}" = "intmath" \
938                  -o "${enableval}" = "intmathabs" \
939                  -o "${enableval}" = "diharmonic" ")" ; then
940          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
941        else
942          config_unsigned_triang_algo="${enableval}"
943        fi
944      ],
945      [config_unsigned_triang_algo="benchmark"]
946    )
947    
948    AC_ARG_ENABLE(process-muted-channels,
949      [  --enable-process-muted-channels
950                              Enable processing of muted channels (default=no).
951                              In that mode all MIDI events in the muted channels
952                              will be processed. This will provide information
953                              about the active voices in the muted channels and
954                              will not discard notes, triggered in mute mode,
955                              when the channel is unmuted. But also will reduce
956                              the efficiency.],
957      [config_process_muted_channels="$enableval"],
958      [config_process_muted_channels="no"]
959    )
960    if test "$config_process_muted_channels" = "yes"; then
961      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
962    fi
963    
964    AC_ARG_ENABLE(process-all-notes-off,
965      [  --disable-process-all-notes-off
966                              Disable interpretation of All-Notes-Off MIDI
967                              messages (default=on). By default LS will release
968                              all voices whenever it receives an All-Notes-Off
969                              MIDI message. You can disable this behavior, so
970                              that LS simply ignores such messages.],
971      [config_process_all_notes_off="$enableval"],
972      [config_process_all_notes_off="yes"]
973    )
974    if test "$config_process_all_notes_off" = "yes"; then
975      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
976    fi
977    
978    AC_ARG_ENABLE(interpolate-volume,
979      [  --disable-interpolate-volume
980                              Disable interpolation of volume modulation
981                              (default=on). With this enabled, the volume changes
982                              generated by for example the envelope generator
983                              will be smoother, minimizing the risk for audio
984                              clicks. Disable it to reduce CPU usage.],
985      [config_interpolate_volume="$enableval"],
986      [config_interpolate_volume="yes"]
987    )
988    if test "$config_interpolate_volume" = "yes"; then
989      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
990    fi
991    
992    AC_ARG_ENABLE(plugin-dir,
993      [  --enable-plugin-dir
994                              Directory where the sampler shall look for potential plugins,
995                              that is 3rd party shared libraries that should be loaded by
996                              the sampler on startup. By default the sampler will search
997                              for plugins in the subdirectory "plugins" below its own
998                              library directory.
999                              (i.e. /usr/local/lib/linuxsampler/plugins)],
1000      [config_plugin_dir="${enableval}"],
1001      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
1002    )
1003    AC_SUBST(config_plugin_dir)
1004    
1005    AC_ARG_ENABLE(default-instruments-db-location,
1006      [  --enable-default-instruments-db-location
1007                              Only when instruments DB feature is enabled: file name
1008                              which shall be taken as default location of the
1009                              instruments DB file. This location can still be
1010                              overridden at runtime with a command line switch.
1011                              (default: /var/lib/linuxsampler/instruments.db)],
1012      [config_default_instruments_db_file="${enableval}"],
1013      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
1014    )
1015    AC_DEFINE_UNQUOTED(
1016        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
1017        "$config_default_instruments_db_file",
1018        [Only when instruments DB feature is enabled: default location of the DB file.]
1019    )
1020    AC_SUBST(config_default_instruments_db_file)
1021    
1022    
1023    ###########################################################################
1024    # Automatic Benchmarks (to detect the best algorithms for the system)
1025    
1026    AC_LANG_SAVE
1027    
1028    if test "$config_signed_triang_algo" = "benchmark"; then
1029        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
1030        AC_LANG_CPLUSPLUS
1031        AC_TRY_RUN([
1032                #define SIGNED 1
1033                #define SILENT 1
1034                #include "${srcdir}/benchmarks/triang.cpp"
1035            ],
1036            triang_signed=0,
1037            triang_signed=$?,
1038            triang_signed=0
1039        )
1040        if test "$triang_signed" = "2"; then
1041            config_signed_triang_algo="intmath"
1042            echo "integer math"
1043        elif test "$triang_signed" = "3"; then
1044            config_signed_triang_algo="diharmonic"
1045            echo "di harmonics"
1046        elif test "$triang_signed" = "5"; then
1047            config_signed_triang_algo="intmathabs"
1048            echo "integer math using abs()"
1049        else
1050            echo "Benchmark of signed triangular wave algorithms failed!"
1051            echo "Maybe you are doing cross compilation? In that case you have to select"
1052            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
1053            echo "Call './configure --help' for further information or read configure.in."
1054            exit -1;
1055        fi
1056    else
1057        case "$config_signed_triang_algo" in
1058            intmath)
1059                triang_signed=2 ;;
1060            diharmonic)
1061                triang_signed=3 ;;
1062            intmathabs)
1063                triang_signed=5 ;;
1064        esac
1065    fi
1066    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
1067    
1068    if test "$config_unsigned_triang_algo" = "benchmark"; then
1069        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
1070        AC_LANG_CPLUSPLUS
1071        AC_TRY_RUN([
1072                #define SIGNED 0
1073                #define SILENT 1
1074                #include "${srcdir}/benchmarks/triang.cpp"
1075            ],
1076            triang_unsigned=0,
1077            triang_unsigned=$?,
1078            triang_unsigned=0
1079        )
1080        if test "$triang_unsigned" = "2"; then
1081            config_unsigned_triang_algo="intmath"
1082            echo "integer math"
1083        elif test "$triang_unsigned" = "3"; then
1084            config_unsigned_triang_algo="diharmonic"
1085            echo "di harmonics"
1086        elif test "$triang_unsigned" = "5"; then
1087            config_unsigned_triang_algo="intmathabs"
1088            echo "integer math using abs()"
1089        else
1090            echo "Benchmark of unsigned triangular wave algorithms failed!"
1091            echo "Maybe you are doing cross compilation? In that case you have to select"
1092            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
1093            echo "Call './configure --help' for further information or read configure.in."
1094            exit -1;
1095        fi
1096    else
1097        case "$config_unsigned_triang_algo" in
1098            intmath)
1099                triang_unsigned=2 ;;
1100            diharmonic)
1101                triang_unsigned=3 ;;
1102            intmathabs)
1103                triang_unsigned=5 ;;
1104        esac
1105    fi
1106    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
1107    
1108    AC_LANG_RESTORE
1109    
1110    
1111    ###########################################################################
1112    # Create Build Files
1113    
1114  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
1115  AM_INIT_AUTOMAKE(linuxsampler, 0.1)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
1116    
1117  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
1118  AC_PROG_CXX  AC_PROG_CXX
 AM_PROG_LIBTOOL  
1119    
1120  AC_OUTPUT(Makefile src/Makefile src/network/Makefile src/engines/Makefile src/engines/gig/Makefile src/engines/common/Makefile src/common/Makefile src/audiodriver/Makefile src/mididriver/Makefile src/lib/Makefile src/lib/fileloader/Makefile src/lib/fileloader/libgig/Makefile src/testcases/Makefile)  # some gcc 4.0 versions need -msse for SSE register allocations
1121    if test "$config_asm" = "yes"; then
1122      if test "$def_arch_x86" = 1; then
1123        CXXFLAGS="$CXXFLAGS -msse"
1124      fi
1125    fi
1126    
1127    # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like
1128    # this, the dlfcn.h check in am_prog_libtool may fail.
1129    AC_CHECK_HEADER(stdlib.h)
1130    
1131    AC_OUTPUT( \
1132        Makefile \
1133        man/Makefile \
1134        man/linuxsampler.1 \
1135        src/Makefile \
1136        src/db/Makefile \
1137        src/network/Makefile \
1138        src/engines/Makefile \
1139        src/engines/gig/Makefile \
1140        src/engines/common/Makefile \
1141        src/common/Makefile \
1142        src/testcases/Makefile \
1143        src/drivers/Makefile \
1144        src/drivers/audio/Makefile \
1145        src/drivers/midi/Makefile \
1146        src/plugins/Makefile \
1147        linuxsampler.spec \
1148        debian/Makefile \
1149        Artwork/Makefile \
1150        scripts/Makefile \
1151        osx/Makefile \
1152        osx/linuxsampler.xcodeproj/Makefile \
1153        Documentation/Makefile \
1154        Documentation/Engines/Makefile \
1155        Documentation/Engines/gig/Makefile \
1156        linuxsampler.pc \
1157        Doxyfile \
1158    )
1159    
1160    # resolve all nested variables in '${config_plugin_dir}'
1161    # (merely for providing a human readable summary below)
1162    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1163            config_plugin_dir=`eval echo ${config_plugin_dir}`
1164    done
1165    
1166    
1167    ###########################################################################
1168    # Output All Configuration Options
1169    
1170    echo ""
1171    echo "#####################################################################"
1172    echo "# LinuxSampler Configuration                                        #"
1173    echo "#-------------------------------------------------------------------#"
1174    echo "# Assembly Optimizations: ${config_asm}"
1175    echo "# Development Mode: ${config_dev_mode}"
1176    echo "# Debug Level: ${config_debug_level}"
1177    echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"
1178    echo "# Preload Samples: ${config_preload_samples}"
1179    echo "# Maximum Pitch: ${config_max_pitch} (octaves)"
1180    echo "# Maximum Events: ${config_max_events}"
1181    echo "# Envelope Bottom Level: ${config_eg_bottom} (linear)"
1182    echo "# Envelope Minimum Release Time: ${config_eg_min_release_time} s"
1183    echo "# Streams to be refilled per Disk Thread Cycle: ${config_refill_streams}"
1184    echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"
1185    echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"
1186    echo "# Stream Size: ${config_stream_size}"
1187    echo "# Maximum Disk Streams: ${config_max_streams}"
1188    echo "# Maximum Voices: ${config_max_voices}"
1189    echo "# Default Subfragment Size: ${config_subfragment_size}"
1190    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
1191    echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
1192    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
1193    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
1194    echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
1195    echo "# Min. Portamento Time: ${config_portamento_time_min} s"
1196    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
1197    echo "# Default Portamento Time: ${config_portamento_time_default} s"
1198    echo "# Force Filter Usage: ${config_force_filter}"
1199    echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
1200    echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
1201    echo "# Override Filter Cutoff Controller: ${config_override_cutoff_ctrl}"
1202    echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
1203    echo "# Override Filter Type: ${config_override_filter_type}"
1204    echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
1205    echo "# Process Muted Channels: ${config_process_muted_channels}"
1206    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1207    echo "# Interpolate Volume: ${config_interpolate_volume}"
1208    echo "# Instruments database support: ${config_instruments_db}"
1209    if test "$config_instruments_db" = "yes"; then
1210    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1211    fi
1212    echo "# Plugin Path: ${config_plugin_dir}"
1213    echo "#-------------------------------------------------------------------#"
1214    echo "# Read './configure --help' or file 'configure.in' for details.     #"
1215    echo "#####################################################################"
1216    echo ""
1217    echo "Good. Now type 'make' to compile, followed by 'make install' as root."
1218    echo ""

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