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revision 579 by schoenebeck, Tue May 24 19:20:20 2005 UTC revision 1399 by schoenebeck, Thu Oct 11 18:53:29 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=0.8cvs
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, ${LSCP_RELEASE_MINOR}, [LSCP spec minor version this release complies with.])
40    
41    AM_PROG_LIBTOOL
42    
43    AC_SUBST(SHLIB_VERSION_ARG)
44    AC_SUBST(SHARED_VERSION_INFO)
45    
46  AC_C_BIGENDIAN  AC_C_BIGENDIAN
47  AC_CANONICAL_SYSTEM  AC_CANONICAL_SYSTEM
48    
# Line 24  esac Line 68  esac
68  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
69    
70  # determine the right gcc switch for CPU specific optimizations  # determine the right gcc switch for CPU specific optimizations
71    # (only if the user did not provide one)
72  CXX_CPU_SWITCH=  CXX_CPU_SWITCH=
73  if test "$def_arch_x86" = 1; then  if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then
74    CXX_CPU_SWITCH="-march=$target_cpu"    if test "$def_arch_x86" = 1; then
75  elif test "$target_cpu" = "powerpc"; then      CXX_CPU_SWITCH="-march=$target_cpu"
76    CXX_CPU_SWITCH="-arch=$target_cpu"    elif test "$target_cpu" = "ppc"; then
77        CXX_CPU_SWITCH="-arch=$target_cpu"
78      fi
79  fi  fi
80  AC_SUBST([CXX_CPU_SWITCH])  AC_SUBST([CXX_CPU_SWITCH])
81    
# Line 64  if test "$have_unix98" = "no"; then Line 111  if test "$have_unix98" = "no"; then
111      fi      fi
112  fi  fi
113    
114    # check for <features.h>
115    AC_CHECK_HEADERS(features.h)
116    
117    
118    ###########################################################################
119  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
120  # (we throw an error if there's not at least one system for audio output and MIDI input available)  # (we throw an error if there's not at least one system for audio output and MIDI input available)
121    
122  have_midi_input_driver="false"  have_midi_input_driver="false"
123  have_audio_output_driver="false"  have_audio_output_driver="false"
124    
125  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
126      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
127                               have_alsa=1    [  --disable-alsa-driver
128                               ,                            Disable support for the Advanced Linux Sound
129                               have_alsa=0                            Architecture (ALSA).],
130                  )    [config_alsa_driver="$enableval"],
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,$have_alsa,[Define to 1 if you have ALSA installed.])
204    
 echo -n "checking Alsa version... "  
 AC_LANG_SAVE  
 AC_LANG_C  
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 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  
 )  
 AC_LANG_RESTORE  
 echo "$alsa_major.$alsa_minor.$alsa_subminor";  
 AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])  
 AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])  
 AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])  
   
205  # JACK  # JACK
206  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  AC_ARG_ENABLE(jack-driver,
207  AC_SUBST(JACK_LIBS)    [  --disable-jack-driver
208  AC_SUBST(JACK_CFLAGS)                            Disable support for the Jack Audio Connection Kit
209  if test $HAVE_JACK = false; then                            (JACK).],
210      HAVE_JACK=0;    [config_jack_driver="$enableval"],
211      [config_jack_driver="yes"]
212    )
213    have_jack=0
214    if test "$config_jack_driver" = "yes"; then
215        PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
216        if test $have_jack = "1"; then
217            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="$enableval"],
234      [config_arts_driver="yes"]
235    )
236    have_arts=0
237    if test "$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,$have_arts,[Define to 1 if you have aRts installed.])
249    
250    # MidiShare (Linux, OS X, Windows)
251    AC_ARG_ENABLE(midishare-driver,
252      [  --disable-midishare-driver
253                              Disable support for the MidiShare system.],
254      [config_midishare_driver="$enableval"],
255      [config_midishare_driver="yes"]
256    )
257    have_midishare=0
258    if test "$config_midishare_driver" = "yes"; then
259        AC_CHECK_HEADER(MidiShare.h,
260            AC_CHECK_LIB(MidiShare, MidiCountEvs,
261                                    have_midishare=1,
262                                    have_midishare=0
263                        )
264                        ,
265                        have_midishare=0
266        )
267        if test "$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
273    AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
274    AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$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="$enableval"],
281      [config_coremidi_driver="yes"]
282    )
283    have_coremidi=0
284    if test "$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  else
293      HAVE_JACK=1      echo "CoreMIDI support disabled by configure script parameter"
294      have_audio_output_driver="true";  fi
295      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)  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    # have we found at least one MIDI input and one audio output driver ?
299    if test "$have_midi_input_driver" = "false"; then
300        echo "No supported MIDI input system found!"
301        echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
302        echo "ALSA, MIDIShare, CoreMIDI."
303        echo "If you think you have one of those available on your system, make sure you"
304        echo "also have the respective development (header) files installed."
305        exit -1;
306  fi  fi
307  AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  if test "$have_audio_output_driver" = "false"; then
308  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])      echo "No supported audio output system found!"
309        echo "Sorry, LinuxSampler only supports ALSA, JACK and ARTS as audio output"
310        echo "driver at the moment!"
311        exit -1;
312    fi
313    
314    
315    
316    ###########################################################################
317    # Checks for various DLL libraries
318    
319  # Check presence of libgig  # Check presence of libgig
320  libgig_version="2.0.0"  libgig_version="3.1.1"
321  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
322  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
323      echo "Required libgig version not found!"      echo "Required libgig version not found!"
324      echo "You need to have libgig version ${libgig_version} installed!"      echo "You need to have libgig version ${libgig_version} installed!"
325      exit -1;      exit -1;
326    else
327        echo "yes, found libgig $libgig_version"
328  fi  fi
329  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
330  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
331    
332  # SQLITE3  # Instruments DB feature (requires SQLite 3.3)
333  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  AC_ARG_ENABLE(instruments-db,
334  AC_SUBST(SQLITE3_LIBS)    [  --disable-instruments-db
335  AC_SUBST(SQLITE3_CFLAGS)                            Disable compilation of the sampler's instruments
336  if test $HAVE_SQLITE3 = false; then                            database feature. You need to have SQLite 3.3
337      HAVE_SQLITE3=0;                            or younger installed for this feature.],
338      [config_instruments_db="$enableval"],
339      [config_instruments_db="yes"]
340    )
341    HAVE_SQLITE3=0;
342    if test "$config_instruments_db" = "yes"; then
343        # Check presence of sqlite3
344        sqlite_version="3.3"
345        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
346        AC_SUBST(SQLITE3_LIBS)
347        AC_SUBST(SQLITE3_CFLAGS)
348        if test $HAVE_SQLITE3 = false; then
349            HAVE_SQLITE3=0
350            config_instruments_db="no"
351            echo "*** Required sqlite version not found!"
352            echo "*** You need to have sqlite version ${sqlite_version} or higher"
353            echo "*** for instruments database support to be enabled."
354            echo "*** Support for instruments DB will be disabled!"
355        else
356            HAVE_SQLITE3=1
357        fi
358  else  else
359      HAVE_SQLITE3=1      echo "Instruments DB feature disabled by configure script parameter"
360  fi  fi
361  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
362  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
363    
 if test "$have_midi_input_driver" = "false"; then  
     echo "No supported MIDI input system found!"  
     echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!"  
     exit -1;  
 fi  
 if test "$have_audio_output_driver" = "false"; then  
     echo "No supported audio output system found!"  
     echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"  
     exit -1;  
 fi  
364    
365    
366  ###########################################################################  ###########################################################################
# Line 190  fi Line 368  fi
368    
369  # TODO: should we use AC_ARG_VAR(variable, description) instead?  # TODO: should we use AC_ARG_VAR(variable, description) instead?
370    
371    AC_ARG_ENABLE(asm,
372      [  --disable-asm
373                              Enable hand-crafted assembly optimizations
374                              (default=on). LinuxSampler provides CPU specific
375                              assembly optimizations. This is currently limited
376                              to just enter a fast (denormal) FPU mode on x86
377                              platforms. There are currently no synthesis core
378                              assembly optimizations anymore since LS 0.4.0],
379      [config_asm="$enableval"],
380      [config_asm="yes"]
381    )
382    if test "$config_asm" = "yes"; then
383      AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable asm optimizations.])
384    fi
385    
386  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
387    [  --enable-dev-mode    [  --disable-dev-mode
388                            Enable development mode (default=no). In that mode                            Disable development mode (default=on). In that mode
389                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
390                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
391                            efficiency a bit],                            efficiency a bit],
392    [config_dev_mode="yes"],    [config_dev_mode="$enableval"],
393    [config_dev_mode="no"]    [config_dev_mode="yes"]
394  )  )
395  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
396    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
# Line 224  AC_ARG_ENABLE(rt-exceptions, Line 417  AC_ARG_ENABLE(rt-exceptions,
417                            context as well. Otherwise if disabled                            context as well. Otherwise if disabled
418                            segmentation faults will be forced by the                            segmentation faults will be forced by the
419                            application on critical errors.],                            application on critical errors.],
420    [config_rt_exceptions="yes"],    [config_rt_exceptions="$enableval"],
421    [config_rt_exceptions="no"]    [config_rt_exceptions="no"]
422  )  )
423  if test "$config_rt_exceptions" = "yes"; then  if test "$config_rt_exceptions" = "yes"; then
# Line 354  AC_ARG_ENABLE(max-voices, Line 547  AC_ARG_ENABLE(max-voices,
547  )  )
548  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])
549    
550    AC_ARG_ENABLE(subfragment-size,
551      [  --enable-subfragment-size
552                              Every audio fragment will be splitted into
553                              subfragments. Where each subfragment renders
554                              audio with constant synthesis parameters. This is
555                              done for efficiency reasons. This parameter
556                              defines the default size of a subfragment in
557                              sample points. A large value means less CPU time
558                              whereas a low value means better audio quality
559                              (default=32).],
560      [config_subfragment_size="${enableval}"],
561      [config_subfragment_size="32"]
562    )
563    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
564    
565    AC_ARG_ENABLE(global-attenuation-default,
566      [  --enable-global-attenuation-default
567                              To prevent clipping all samples will be lowered
568                              in amplitude by this given default factor (can
569                              be overridden at runtime).
570                              (default=0.35)],
571      [config_global_attenuation_default="${enableval}"],
572      [config_global_attenuation_default="0.35"]
573    )
574    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
575    
576  AC_ARG_ENABLE(voice-steal-algo,  AC_ARG_ENABLE(voice-steal-algo,
577    [  --enable-voice-steal-algo    [  --enable-voice-steal-algo
578                            Voice stealing algorithm to be used. Currently                            Voice stealing algorithm to be used. Currently
# Line 387  AC_ARG_ENABLE(sysex-buffer-size, Line 606  AC_ARG_ENABLE(sysex-buffer-size,
606  )  )
607  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
608    
 AC_ARG_ENABLE(filter-update-steps,  
   [  --enable-filter-update-steps  
                           Amount of sample points after which filter  
                           parameters (cutoff, resonance) are going to be  
                           updated (default=64). Higher value means less CPU  
                           load, but also worse parameter resolution, this  
                           value will be aligned to a power of two.],  
   [config_filter_update_steps="${enableval}"],  
   [config_filter_update_steps="64"]  
 )  
 AC_DEFINE_UNQUOTED(CONFIG_FILTER_UPDATE_STEPS, $config_filter_update_steps, [Define amount of steps to refresh filter coefficients.])  
   
609  AC_ARG_ENABLE(force-filter,  AC_ARG_ENABLE(force-filter,
610    [  --enable-force-filter    [  --enable-force-filter
611                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
612                            no usage was define in instrument patch files.                            no usage was define in instrument patch files.
613                            (default=no).],                            (default=no).],
614    [config_force_filter="yes"],    [config_force_filter="$enableval"],
615    [config_force_filter="no"]    [config_force_filter="no"]
616  )  )
617  if test "$config_force_filter" = "yes"; then  if test "$config_force_filter" = "yes"; then
# Line 494  AC_ARG_ENABLE(gs-checksum, Line 701  AC_ARG_ENABLE(gs-checksum,
701                            messages which do not provide a correct checksum                            messages which do not provide a correct checksum
702                            will be ignored. This is disabled by default as                            will be ignored. This is disabled by default as
703                            not all devices honor GS checksums.],                            not all devices honor GS checksums.],
704    [config_assert_gs_sysex_checksum="yes"],    [config_assert_gs_sysex_checksum="$enableval"],
705    [config_assert_gs_sysex_checksum="no"]    [config_assert_gs_sysex_checksum="no"]
706  )  )
707  if test "config_assert_gs_sysex_checksum" = "yes"; then  if test "config_assert_gs_sysex_checksum" = "yes"; then
708    AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.])    AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.])
709  fi  fi
710    
711    AC_ARG_ENABLE(portamento-time-min,
712      [  --enable-portamento-time-min
713                              Minimum Portamento time in seconds
714                              (default=0.1).],
715      [config_portamento_time_min="${enableval}"],
716      [config_portamento_time_min="0.1"]
717    )
718    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
719    
720    AC_ARG_ENABLE(portamento-time-max,
721      [  --enable-portamento-time-max
722                              Maximum Portamento time in seconds
723                              (default=32).],
724      [config_portamento_time_max="${enableval}"],
725      [config_portamento_time_max="32"]
726    )
727    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
728    
729    AC_ARG_ENABLE(portamento-time-default,
730      [  --enable-portamento-time-default
731                              Default Portamento time in seconds
732                              (default=1).],
733      [config_portamento_time_default="${enableval}"],
734      [config_portamento_time_default="1"]
735    )
736    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
737    
738    AC_ARG_ENABLE(signed-triang-algo,
739      [  --enable-signed-triang-algo
740                              Signed triangular wave algorithm to be used (e.g. for LFOs).
741                              Currently available options:
742                                intmath:
743                                  Uses integer math without any branch will then be
744                                  converted to floating point value for each sample point.
745                                  This int->float conversion might hurt on some systems.
746                                intmathabs:
747                                  Similar to intmath but uses abs() function.
748                                  Depending on compiler and platrofm this could
749                                  perform better than integer math as it avoids
750                                  an extra integer multiply instruction.
751                                diharmonic:
752                                  The triangular wave will be approximated by adding two
753                                  sinusoidials. This solution might especially hurt on
754                                  systems with weak floating point unit.
755                                benchmark (default):
756                                  This is not an algorithm. Use this option if the
757                                  appropriate algorithm should be automatically
758                                  chosen by the configure script by performing a
759                                  benchmark between the algorithms mentioned above.
760                                  This will NOT work for cross compilation!],
761      [ if test ! "(" "${enableval}" = "intmath" \
762                  -o "${enableval}" = "intmathabs" \
763                  -o "${enableval}" = "diharmonic" ")" ; then
764          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
765        else
766          config_signed_triang_algo="${enableval}"
767        fi
768      ],
769      [config_signed_triang_algo="benchmark"]
770    )
771    
772    AC_ARG_ENABLE(unsigned-triang-algo,
773      [  --enable-unsigned-triang-algo
774                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
775                              Currently available options:
776                                intmath:
777                                  Uses integer math without any branch will then be
778                                  converted to floating point value for each sample point.
779                                  This int->float conversion might hurt on some systems.
780                                intmathabs:
781                                  Similar to intmath but uses abs() function.
782                                  Depending on compiler and platrofm this could
783                                  perform better than integer math as it avoids
784                                  an extra integer multiply instruction.
785                                diharmonic:
786                                  The triangular wave will be approximated by adding two
787                                  sinusoidials. This solution might especially hurt on
788                                  systems with weak floating point unit.
789                                benchmark (default):
790                                  This is not an algorithm. Use this option if the
791                                  appropriate algorithm should be automatically
792                                  chosen by the configure script by performing a
793                                  benchmark between the algorithms mentioned above.
794                                  This will NOT work for cross compilation!],
795      [ if test ! "(" "${enableval}" = "intmath" \
796                  -o "${enableval}" = "intmathabs" \
797                  -o "${enableval}" = "diharmonic" ")" ; then
798          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
799        else
800          config_unsigned_triang_algo="${enableval}"
801        fi
802      ],
803      [config_unsigned_triang_algo="benchmark"]
804    )
805    
806    AC_ARG_ENABLE(process-muted-channels,
807      [  --enable-process-muted-channels
808                              Enable processing of muted channels (default=no).
809                              In that mode all MIDI events in the muted channels
810                              will be processed. This will provide information
811                              about the active voices in the muted channels and
812                              will not discard notes, triggered in mute mode,
813                              when the channel is unmuted. But also will reduce
814                              the efficiency.],
815      [config_process_muted_channels="$enableval"],
816      [config_process_muted_channels="no"]
817    )
818    if test "$config_process_muted_channels" = "yes"; then
819      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
820    fi
821    
822    AC_ARG_ENABLE(process-all-notes-off,
823      [  --disable-process-all-notes-off
824                              Disable interpretation of All-Notes-Off MIDI
825                              messages (default=on). By default LS will release
826                              all voices whenever it receives an All-Notes-Off
827                              MIDI message. You can disable this behavior, so
828                              that LS simply ignores such messages.],
829      [config_process_all_notes_off="$enableval"],
830      [config_process_all_notes_off="yes"]
831    )
832    if test "$config_process_all_notes_off" = "yes"; then
833      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
834    fi
835    
836    AC_ARG_ENABLE(interpolate-volume,
837      [  --disable-interpolate-volume
838                              Disable interpolation of volume modulation
839                              (default=on). With this enabled, the volume changes
840                              generated by for example the envelope generator
841                              will be smoother, minimizing the risk for audio
842                              clicks. Disable it to reduce CPU usage.],
843      [config_interpolate_volume="$enableval"],
844      [config_interpolate_volume="yes"]
845    )
846    if test "$config_interpolate_volume" = "yes"; then
847      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
848    fi
849    
850    AC_ARG_ENABLE(plugin-dir,
851      [  --enable-plugin-dir
852                              Directory where the sampler shall look for potential plugins,
853                              that is 3rd party shared libraries that should be loaded by
854                              the sampler on startup. By default the sampler will search
855                              for plugins in the subdirectory "plugins" below its own
856                              library directory.
857                              (i.e. /usr/local/lib/linuxsampler/plugins)],
858      [config_plugin_dir="${enableval}"],
859      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
860    )
861    AC_SUBST(config_plugin_dir)
862    
863    AC_ARG_ENABLE(default-instruments-db-location,
864      [  --enable-default-instruments-db-location
865                              Only when instruments DB feature is enabled: file name
866                              which shall be taken as default location of the
867                              instruments DB file. This location can still be
868                              overridden at runtime with a command line switch.
869                              (default: /var/lib/linuxsampler/instruments.db)],
870      [config_default_instruments_db_file="${enableval}"],
871      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
872    )
873    AC_DEFINE_UNQUOTED(
874        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
875        "$config_default_instruments_db_file",
876        [Only when instruments DB feature is enabled: default location of the DB file.]
877    )
878    
879    
880    
881    ###########################################################################
882    # Automatic Benchmarks (to detect the best algorithms for the system)
883    
884    AC_LANG_SAVE
885    
886    if test "$config_signed_triang_algo" = "benchmark"; then
887        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
888        AC_LANG_CPLUSPLUS
889        AC_TRY_RUN([
890                #define SIGNED 1
891                #define SILENT 1
892                #include "${srcdir}/benchmarks/triang.cpp"
893            ],
894            triang_signed=0,
895            triang_signed=$?,
896            triang_signed=0
897        )
898        if test "$triang_signed" = "2"; then
899            config_signed_triang_algo="intmath"
900            echo "integer math"
901        elif test "$triang_signed" = "3"; then
902            config_signed_triang_algo="diharmonic"
903            echo "di harmonics"
904        elif test "$triang_signed" = "5"; then
905            config_signed_triang_algo="intmathabs"
906            echo "integer math using abs()"
907        else
908            echo "Benchmark of signed triangular wave algorithms failed!"
909            echo "Maybe you are doing cross compilation? In that case you have to select"
910            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
911            echo "Call './configure --help' for further information or read configure.in."
912            exit -1;
913        fi
914    else
915        case "$config_signed_triang_algo" in
916            intmath)
917                triang_signed=2 ;;
918            diharmonic)
919                triang_signed=3 ;;
920            intmathabs)
921                triang_signed=5 ;;
922        esac
923    fi
924    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
925    
926    if test "$config_unsigned_triang_algo" = "benchmark"; then
927        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
928        AC_LANG_CPLUSPLUS
929        AC_TRY_RUN([
930                #define SIGNED 0
931                #define SILENT 1
932                #include "${srcdir}/benchmarks/triang.cpp"
933            ],
934            triang_unsigned=0,
935            triang_unsigned=$?,
936            triang_unsigned=0
937        )
938        if test "$triang_unsigned" = "2"; then
939            config_unsigned_triang_algo="intmath"
940            echo "integer math"
941        elif test "$triang_unsigned" = "3"; then
942            config_unsigned_triang_algo="diharmonic"
943            echo "di harmonics"
944        elif test "$triang_unsigned" = "5"; then
945            config_unsigned_triang_algo="intmathabs"
946            echo "integer math using abs()"
947        else
948            echo "Benchmark of unsigned triangular wave algorithms failed!"
949            echo "Maybe you are doing cross compilation? In that case you have to select"
950            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
951            echo "Call './configure --help' for further information or read configure.in."
952            exit -1;
953        fi
954    else
955        case "$config_unsigned_triang_algo" in
956            intmath)
957                triang_unsigned=2 ;;
958            diharmonic)
959                triang_unsigned=3 ;;
960            intmathabs)
961                triang_unsigned=5 ;;
962        esac
963    fi
964    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
965    
966    AC_LANG_RESTORE
967    
968    
969  ###########################################################################  ###########################################################################
970  # Create Build Files  # Create Build Files
971    
972  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
973  AM_INIT_AUTOMAKE(linuxsampler, 0.3.1)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
974    
975  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
976  AC_PROG_CXX  AC_PROG_CXX
977    
978    # some gcc 4.0 versions need -msse for SSE register allocations
979    if test "$config_asm" = "yes"; then
980      if test "$def_arch_x86" = 1; then
981        CXXFLAGS="$CXXFLAGS -msse"
982      fi
983    fi
984    
985  # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like  # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like
986  # this, the dlfcn.h check in am_prog_libtool may fail.  # this, the dlfcn.h check in am_prog_libtool may fail.
987  AC_CHECK_HEADER(stdlib.h)  AC_CHECK_HEADER(stdlib.h)
988    
989  AM_PROG_LIBTOOL  AC_OUTPUT( \
990        Makefile \
991  AC_OUTPUT(Makefile man/Makefile man/linuxsampler.1 src/Makefile src/network/Makefile src/engines/Makefile src/engines/gig/Makefile src/engines/common/Makefile src/common/Makefile src/lib/Makefile src/lib/fileloader/Makefile src/lib/fileloader/libgig/Makefile src/testcases/Makefile src/drivers/Makefile src/drivers/audio/Makefile src/drivers/midi/Makefile)      man/Makefile \
992        man/linuxsampler.1 \
993        src/Makefile \
994        src/db/Makefile \
995        src/network/Makefile \
996        src/engines/Makefile \
997        src/engines/gig/Makefile \
998        src/engines/common/Makefile \
999        src/common/Makefile \
1000        src/testcases/Makefile \
1001        src/drivers/Makefile \
1002        src/drivers/audio/Makefile \
1003        src/drivers/midi/Makefile \
1004        src/plugins/Makefile \
1005        linuxsampler.spec \
1006        debian/Makefile \
1007        Artwork/Makefile \
1008        scripts/Makefile \
1009        osx/Makefile \
1010        osx/linuxsampler.xcodeproj/Makefile \
1011        Documentation/Makefile \
1012        Documentation/Engines/Makefile \
1013        Documentation/Engines/gig/Makefile \
1014        linuxsampler.pc \
1015        Doxyfile \
1016    )
1017    
1018    # resolve all nested variables in '${config_plugin_dir}'
1019    # (merely for providing a human readable summary below)
1020    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1021            config_plugin_dir=`eval echo ${config_plugin_dir}`
1022    done
1023    
1024    
1025  ###########################################################################  ###########################################################################
# Line 527  echo "" Line 1029  echo ""
1029  echo "#####################################################################"  echo "#####################################################################"
1030  echo "# LinuxSampler Configuration                                        #"  echo "# LinuxSampler Configuration                                        #"
1031  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1032    echo "# Assembly Optimizations: ${config_asm}"
1033  echo "# Development Mode: ${config_dev_mode}"  echo "# Development Mode: ${config_dev_mode}"
1034  echo "# Debug Level: ${config_debug_level}"  echo "# Debug Level: ${config_debug_level}"
1035  echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"  echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"
# Line 541  echo "# Maximum Stream Refill Size: ${co Line 1044  echo "# Maximum Stream Refill Size: ${co
1044  echo "# Stream Size: ${config_stream_size}"  echo "# Stream Size: ${config_stream_size}"
1045  echo "# Maximum Disk Streams: ${config_max_streams}"  echo "# Maximum Disk Streams: ${config_max_streams}"
1046  echo "# Maximum Voices: ${config_max_voices}"  echo "# Maximum Voices: ${config_max_voices}"
1047    echo "# Default Subfragment Size: ${config_subfragment_size}"
1048    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
1049  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
1050    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
1051    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
1052  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
1053  echo "# Filter Update Steps: ${config_filter_update_steps}"  echo "# Min. Portamento Time: ${config_portamento_time_min} s"
1054    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
1055    echo "# Default Portamento Time: ${config_portamento_time_default} s"
1056  echo "# Force Filter Usage: ${config_force_filter}"  echo "# Force Filter Usage: ${config_force_filter}"
1057  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
1058  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
# Line 551  echo "# Override Filter Cutoff Controlle Line 1060  echo "# Override Filter Cutoff Controlle
1060  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
1061  echo "# Override Filter Type: ${config_override_filter_type}"  echo "# Override Filter Type: ${config_override_filter_type}"
1062  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
1063    echo "# Process Muted Channels: ${config_process_muted_channels}"
1064    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1065    echo "# Interpolate Volume: ${config_interpolate_volume}"
1066    echo "# Instruments database support: ${config_instruments_db}"
1067    if test "$config_instruments_db" = "yes"; then
1068    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1069    fi
1070    echo "# Plugin Path: ${config_plugin_dir}"
1071  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1072  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
1073  echo "#####################################################################"  echo "#####################################################################"

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