/[svn]/linuxsampler/trunk/configure.ac
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revision 617 by schoenebeck, Wed Jun 8 21:00:06 2005 UTC revision 1049 by schoenebeck, Wed Feb 28 06:53:42 2007 UTC
# Line 1  Line 1 
1  AC_INIT(configure.in)  AC_INIT(configure.in)
2    
3    #------------------------------------------------------------------------------------
4    # LinuxSampler's / liblinuxsampler's "official" release version:
5    
6    LINUXSAMPLER_RELEASE_MAJOR=0
7    LINUXSAMPLER_RELEASE_MINOR=4
8    LINUXSAMPLER_RELEASE_BUILD=0.4cvs
9    
10    #------------------------------------------------------------------------------------
11    # The following is the libtool / shared library version. This doesn't have to
12    # do anything with the release version. It MUST conform to the following rules:
13    #
14    #  1. Start with version information of `0:0:0' for each libtool library.
15    #  2. Update the version information only immediately before a public release of
16    #     your software. More frequent updates are unnecessary, and only guarantee
17    #     that the current interface number gets larger faster.
18    #  3. If the library source code has changed at all since the last update, then
19    #     increment revision (`c:r:a' becomes `c:r+1:a').
20    #  4. If any interfaces have been added, removed, or changed since the last update,
21    #     increment current, and set revision to 0.
22    #  5. If any interfaces have been added since the last public release, then increment
23    #     age.
24    #  6. If any interfaces have been removed since the last public release, then set age
25    #     to 0.
26    
27    LIBLINUXSAMPLER_LT_CURRENT=0
28    LIBLINUXSAMPLER_LT_REVISION=0
29    LIBLINUXSAMPLER_LT_AGE=0
30    SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE"
31    
32    #------------------------------------------------------------------------------------
33    # the LSCP specification version this LinuSampler release complies with:
34    
35    LSCP_RELEASE_MAJOR=1
36    LSCP_RELEASE_MINOR=2
37    
38    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MAJOR, ${LSCP_RELEASE_MAJOR}, [LSCP spec major version this release complies with.])
39    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MINOR, ${LSCP_RELEASE_MINOR}, [LSCP spec minor version this release complies with.])
40    
41    AM_PROG_LIBTOOL
42    
43    AC_SUBST(SHLIB_VERSION_ARG)
44    AC_SUBST(SHARED_VERSION_INFO)
45    
46  AC_C_BIGENDIAN  AC_C_BIGENDIAN
47  AC_CANONICAL_SYSTEM  AC_CANONICAL_SYSTEM
48    
# Line 24  esac Line 68  esac
68  AC_DEFINE_UNQUOTED(ARCH_X86,$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 "$have_unix98" = "no"; then
111      fi      fi
112  fi  fi
113    
114    # check for <features.h>
115    AC_CHECK_HEADERS(features.h)
116    
117    
118    ###########################################################################
119  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
120  # (we throw an error if there's not at least one system for audio output and MIDI input available)  # (we throw an error if there's not at least one system for audio output and MIDI input available)
121    
122  have_midi_input_driver="false"  have_midi_input_driver="false"
123  have_audio_output_driver="false"  have_audio_output_driver="false"
124    
125  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
126      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
127                               have_alsa=1    [  --disable-alsa-driver
128                               ,                            Disable support for the Advanced Linux Sound
129                               have_alsa=0                            Architecture (ALSA).],
130                  )    [config_alsa_driver="no"],
131                  ,    [config_alsa_driver="yes"]
132                  have_alsa=0  )
133  )  have_alsa=0
134  if test "$have_alsa" = "1"; then  if test "$config_alsa_driver" = "yes"; then
135      have_midi_input_driver="true"      AC_CHECK_HEADER(alsa/asoundlib.h,
136      have_audio_output_driver="true";          AC_CHECK_LIB(asound, main,
137                                     have_alsa=1
138                                     ,
139                                     have_alsa=0
140                        )
141                        ,
142                        have_alsa=0
143        )
144        if test "$have_alsa" = "1"; then
145            have_midi_input_driver="true"
146            have_audio_output_driver="true";
147        fi
148    
149        echo -n "checking Alsa version... "
150        AC_LANG_SAVE
151        AC_LANG_C
152        AC_TRY_RUN([
153            #include <alsa/asoundlib.h>
154            void main(void) {
155                /* ensure backward compatibility */
156                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
157                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
158                #endif
159                exit(SND_LIB_MAJOR);
160            }
161        ],
162        alsa_major=0,
163        alsa_major=$?,
164        alsa_major=0
165        )
166        AC_TRY_RUN([
167            #include <alsa/asoundlib.h>
168            void main(void) {
169                /* ensure backward compatibility */
170                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
171                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
172                #endif
173                exit(SND_LIB_MINOR);
174            }
175        ],
176        alsa_minor=0,
177        alsa_minor=$?,
178        alsa_minor=0
179        )
180        AC_TRY_RUN([
181            #include <alsa/asoundlib.h>
182            void main(void) {
183                /* ensure backward compatibility */
184                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
185                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
186                #endif
187                exit(SND_LIB_SUBMINOR);
188            }
189        ],
190        alsa_subminor=0,
191        alsa_subminor=$?,
192        alsa_subminor=0
193        )
194        AC_LANG_RESTORE
195        echo "$alsa_major.$alsa_minor.$alsa_subminor";
196        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
197        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
198        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
199    else
200        echo "ALSA support disabled by configure script parameter"
201  fi  fi
202  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
203  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])
204    
 echo -n "checking Alsa version... "  
 AC_LANG_SAVE  
 AC_LANG_C  
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 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 $HAVE_JACK = false; then                            (JACK).],
210      HAVE_JACK=0;    [config_jack_driver="no"],
211      [config_jack_driver="yes"]
212    )
213    have_jack=0
214    if test "$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  else
223      HAVE_JACK=1      echo "JACK support disabled by configure script parameter"
     have_audio_output_driver="true";  
     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)  
224  fi  fi
225  AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
226  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
227    
228    # ARTS
229    AC_ARG_ENABLE(arts-driver,
230      [  --disable-arts-driver
231                              Disable support for the Analogue Realtime System
232                              (aRts).],
233      [config_arts_driver="no"],
234      [config_arts_driver="yes"]
235    )
236    have_arts=0
237    if test "$config_arts_driver" = "yes"; then
238        m4_ifdef([m4_include(m4/arts.m4)],,
239                 [sinclude([m4/arts.m4])])
240        AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
241        if test "$have_arts" = "1"; then
242            have_audio_output_driver="true"
243        fi
244    else
245        echo "ARTS support disabled by configure script parameter"
246    fi
247    AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
248    AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
249    
250  # MidiShare (Linux, OS X, Windows)  # MidiShare (Linux, OS X, Windows)
251  AC_CHECK_HEADER(MidiShare.h,  AC_ARG_ENABLE(midishare-driver,
252      AC_CHECK_LIB(MidiShare, MidiCountEvs,    [  --disable-midishare-driver
253                              have_midishare=1,                            Disable support for the MidiShare system.],
254                              have_midishare=0    [config_midishare_driver="no"],
255                  )    [config_midishare_driver="yes"]
256                  ,  )
257                  have_midishare=0  have_midishare=0
258  )  if test "$config_midishare_driver" = "yes"; then
259  if test "$have_midishare" = "1"; then      AC_CHECK_HEADER(MidiShare.h,
260      have_midi_input_driver="true"          AC_CHECK_LIB(MidiShare, MidiCountEvs,
261                                    have_midishare=1,
262                                    have_midishare=0
263                        )
264                        ,
265                        have_midishare=0
266        )
267        if test "$have_midishare" = "1"; then
268            have_midi_input_driver="true"
269        fi
270    else
271        echo "MidiShare support disabled by configure script parameter"
272  fi  fi
273  AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")  AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
274  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
275    
276  # CoreMIDI (OS X)  # CoreMIDI (OS X)
277  AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,  AC_ARG_ENABLE(coremidi-driver,
278                  have_coremidi=1,    [  --disable-coremidi-driver
279                  have_coremidi=0                            Disable support for the Apple CoreMIDI system.],
280  )    [config_coremidi_driver="no"],
281  if test "$have_coremidi" = "1"; then    [config_coremidi_driver="yes"]
282      have_midi_input_driver="true"  )
283    have_coremidi=0
284    if test "$config_coremidi_driver" = "yes"; then
285        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
286            have_coremidi=1,
287            have_coremidi=0
288        )
289        if test "$have_coremidi" = "1"; then
290            have_midi_input_driver="true"
291        fi
292    else
293        echo "CoreMIDI support disabled by configure script parameter"
294  fi  fi
295  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
296  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
297    
298  # Check presence of libgig  # Check presence of libgig
299  libgig_version="2.0.0"  libgig_version="3.1.0"
300  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
301  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
302      echo "Required libgig version not found!"      echo "Required libgig version not found!"
303      echo "You need to have libgig version ${libgig_version} installed!"      echo "You need to have libgig version ${libgig_version} installed!"
304      exit -1;      exit -1;
305    else
306        echo "yes, found libgig $libgig_version"
307  fi  fi
308  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
309  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
# Line 193  AC_SUBST(SQLITE3_LIBS) Line 314  AC_SUBST(SQLITE3_LIBS)
314  AC_SUBST(SQLITE3_CFLAGS)  AC_SUBST(SQLITE3_CFLAGS)
315  if test $HAVE_SQLITE3 = false; then  if test $HAVE_SQLITE3 = false; then
316      HAVE_SQLITE3=0;      HAVE_SQLITE3=0;
317        echo "no, support for instrument DB will be disabled!"
318  else  else
319      HAVE_SQLITE3=1      HAVE_SQLITE3=1
320        echo "yes"
321  fi  fi
322  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
323  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])
# Line 220  fi Line 343  fi
343  # TODO: should we use AC_ARG_VAR(variable, description) instead?  # TODO: should we use AC_ARG_VAR(variable, description) instead?
344    
345  AC_ARG_ENABLE(asm,  AC_ARG_ENABLE(asm,
346    [  --disable-asm    [  --enable-asm
347                            Disable hand-crafted assembly optimizations                            Enable hand-crafted assembly optimizations
348                            (default=on). LinuxSampler provides CPU specific                            (default=off). LinuxSampler provides CPU specific
349                            assembly optimizations for the most important                            assembly optimizations for the most important
350                            synthesis algorithms. You usually don't want to                            synthesis algorithms. This is currently disabled
351                            diable that.],                            by default since current asm code is broken.],
352    [config_asm="no"],    [config_asm="yes"],
353    [config_asm="yes"]    [config_asm="no"]
354  )  )
355  if test "$config_asm" = "yes"; then  if test "$config_asm" = "yes"; then
356    AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.])    AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.])
357  fi  fi
358    
359  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
360    [  --enable-dev-mode    [  --disable-dev-mode
361                            Enable development mode (default=no). In that mode                            Disable development mode (default=on). In that mode
362                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
363                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
364                            efficiency a bit],                            efficiency a bit],
365    [config_dev_mode="yes"],    [config_dev_mode="no"],
366    [config_dev_mode="no"]    [config_dev_mode="yes"]
367  )  )
368  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
369    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 397  AC_ARG_ENABLE(max-voices, Line 520  AC_ARG_ENABLE(max-voices,
520  )  )
521  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])
522    
523    AC_ARG_ENABLE(subfragment-size,
524      [  --enable-subfragment-size
525                              Every audio fragment will be splitted into
526                              subfragments. Where each subfragment renders
527                              audio with constant synthesis parameters. This is
528                              done for efficiency reasons. This parameter
529                              defines the default size of a subfragment in
530                              sample points. A large value means less CPU time
531                              whereas a low value means better audio quality
532                              (default=32).],
533      [config_subfragment_size="${enableval}"],
534      [config_subfragment_size="32"]
535    )
536    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
537    
538    AC_ARG_ENABLE(global-attenuation-default,
539      [  --enable-global-attenuation-default
540                              To prevent clipping all samples will be lowered
541                              in amplitude by this given default factor (can
542                              be overridden at runtime).
543                              (default=0.35)],
544      [config_global_attenuation_default="${enableval}"],
545      [config_global_attenuation_default="0.35"]
546    )
547    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
548    
549  AC_ARG_ENABLE(voice-steal-algo,  AC_ARG_ENABLE(voice-steal-algo,
550    [  --enable-voice-steal-algo    [  --enable-voice-steal-algo
551                            Voice stealing algorithm to be used. Currently                            Voice stealing algorithm to be used. Currently
# Line 430  AC_ARG_ENABLE(sysex-buffer-size, Line 579  AC_ARG_ENABLE(sysex-buffer-size,
579  )  )
580  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
581    
 AC_ARG_ENABLE(filter-update-steps,  
   [  --enable-filter-update-steps  
                           Amount of sample points after which filter  
                           parameters (cutoff, resonance) are going to be  
                           updated (default=64). Higher value means less CPU  
                           load, but also worse parameter resolution, this  
                           value will be aligned to a power of two.],  
   [config_filter_update_steps="${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.])  
   
582  AC_ARG_ENABLE(force-filter,  AC_ARG_ENABLE(force-filter,
583    [  --enable-force-filter    [  --enable-force-filter
584                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
# Line 544  if test "config_assert_gs_sysex_checksum Line 681  if test "config_assert_gs_sysex_checksum
681    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.])
682  fi  fi
683    
684    AC_ARG_ENABLE(portamento-time-min,
685      [  --enable-portamento-time-min
686                              Minimum Portamento time in seconds
687                              (default=0.1).],
688      [config_portamento_time_min="${enableval}"],
689      [config_portamento_time_min="0.1"]
690    )
691    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
692    
693    AC_ARG_ENABLE(portamento-time-max,
694      [  --enable-portamento-time-max
695                              Maximum Portamento time in seconds
696                              (default=32).],
697      [config_portamento_time_max="${enableval}"],
698      [config_portamento_time_max="32"]
699    )
700    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
701    
702    AC_ARG_ENABLE(portamento-time-default,
703      [  --enable-portamento-time-default
704                              Default Portamento time in seconds
705                              (default=1).],
706      [config_portamento_time_default="${enableval}"],
707      [config_portamento_time_default="1"]
708    )
709    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
710    
711    AC_ARG_ENABLE(signed-triang-algo,
712      [  --enable-signed-triang-algo
713                              Signed triangular wave algorithm to be used (e.g. for LFOs).
714                              Currently available options:
715                                intmath:
716                                  Uses integer math without any branch will then be
717                                  converted to floating point value for each sample point.
718                                  This int->float conversion might hurt on some systems.
719                                intmathabs:
720                                  Similar to intmath but uses abs() function.
721                                  Depending on compiler and platrofm this could
722                                  perform better than integer math as it avoids
723                                  an extra integer multiply instruction.
724    
725                                diharmonic:
726                                  The triangular wave will be approximated by adding two
727                                  sinusoidials. This solution might especially hurt on
728                                  systems with weak floating point unit.
729                                benchmark (default):
730                                  This is not an algorithm. Use this option if the
731                                  appropriate algorithm should be automatically
732                                  chosen by the configure script by performing a
733                                  benchmark between the algorithms mentioned above.
734                                  This will NOT work for cross compilation!],
735      [ if test ! "(" "${enableval}" = "intmath" \
736                  -o "${enableval}" = "intmathabs" \
737                  -o "${enableval}" = "diharmonic" ")" ; then
738          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
739        else
740          config_signed_triang_algo="${enableval}"
741        fi
742      ],
743      [config_signed_triang_algo="benchmark"]
744    )
745    
746    AC_ARG_ENABLE(unsigned-triang-algo,
747      [  --enable-unsigned-triang-algo
748                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
749                              Currently available options:
750                                intmath:
751                                  Uses integer math without any branch will then be
752                                  converted to floating point value for each sample point.
753                                  This int->float conversion might hurt on some systems.
754                                intmathabs:
755                                  Similar to intmath but uses abs() function.
756                                  Depending on compiler and platrofm this could
757                                  perform better than integer math as it avoids
758                                  an extra integer multiply instruction.
759    
760                                diharmonic:
761                                  The triangular wave will be approximated by adding two
762                                  sinusoidials. This solution might especially hurt on
763                                  systems with weak floating point unit.
764                                benchmark (default):
765                                  This is not an algorithm. Use this option if the
766                                  appropriate algorithm should be automatically
767                                  chosen by the configure script by performing a
768                                  benchmark between the algorithms mentioned above.
769                                  This will NOT work for cross compilation!],
770      [ if test ! "(" "${enableval}" = "intmath" \
771                  -o "${enableval}" = "intmathabs" \
772                  -o "${enableval}" = "diharmonic" ")" ; then
773          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
774        else
775          config_unsigned_triang_algo="${enableval}"
776        fi
777      ],
778      [config_unsigned_triang_algo="benchmark"]
779    )
780    
781    AC_ARG_ENABLE(process-muted-channels,
782      [  --enable-process-muted-channels
783                              Enable processing of muted channels (default=no).
784                              In that mode all MIDI events in the muted channels
785                              will be processed. This will provide information
786                              about the active voices in the muted channels and
787                              will not discard notes, triggered in mute mode,
788                              when the channel is unmuted. But also will reduce
789                              the efficiency.],
790      [config_process_muted_channels="yes"],
791      [config_process_muted_channels="no"]
792    )
793    if test "$config_process_muted_channels" = "yes"; then
794      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
795    fi
796    
797    AC_ARG_ENABLE(process-all-notes-off,
798      [  --disable-process-all-notes-off
799                              Disable interpretation of All-Notes-Off MIDI
800                              messages (default=on). By default LS will release
801                              all voices whenever it receives an All-Notes-Off
802                              MIDI message. You can disable this behavior, so
803                              that LS simply ignores such messages.],
804      [config_process_all_notes_off="no"],
805      [config_process_all_notes_off="yes"]
806    )
807    if test "$config_process_all_notes_off" = "yes"; then
808      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
809    fi
810    
811    AC_ARG_ENABLE(interpolate-volume,
812      [  --disable-interpolate-volume
813                              Disable interpolation of volume modulation
814                              (default=on). With this enabled, the volume changes
815                              generated by for example the envelope generator
816                              will be smoother, minimizing the risk for audio
817                              clicks. Disable it to reduce CPU usage.],
818      [config_interpolate_volume="no"],
819      [config_interpolate_volume="yes"]
820    )
821    if test "$config_interpolate_volume" = "yes"; then
822      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
823    fi
824    
825    
826    ###########################################################################
827    # Automatic Benchmarks (to detect the best algorithms for the system)
828    
829    AC_LANG_SAVE
830    
831    if test "$config_signed_triang_algo" = "benchmark"; then
832        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
833        AC_LANG_CPLUSPLUS
834        AC_TRY_RUN([
835                #define SIGNED 1
836                #define SILENT 1
837                #include "${srcdir}/benchmarks/triang.cpp"
838            ],
839            triang_signed=0,
840            triang_signed=$?,
841            triang_signed=0
842        )
843        if test "$triang_signed" = "2"; then
844            config_signed_triang_algo="intmath"
845            echo "integer math"
846        elif test "$triang_signed" = "3"; then
847            config_signed_triang_algo="diharmonic"
848            echo "di harmonics"
849        elif test "$triang_signed" = "5"; then
850            config_signed_triang_algo="intmathabs"
851            echo "integer math using abs()"
852        else
853            echo "Benchmark of signed triangular wave algorithms failed!"
854            echo "Maybe you are doing cross compilation? In that case you have to select"
855            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
856            echo "Call './configure --help' for further information or read configure.in."
857            exit -1;
858        fi
859    fi
860    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
861    
862    if test "$config_unsigned_triang_algo" = "benchmark"; then
863        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
864        AC_LANG_CPLUSPLUS
865        AC_TRY_RUN([
866                #define SIGNED 0
867                #define SILENT 1
868                #include "${srcdir}/benchmarks/triang.cpp"
869            ],
870            triang_unsigned=0,
871            triang_unsigned=$?,
872            triang_unsigned=0
873        )
874        if test "$triang_unsigned" = "2"; then
875            config_unsigned_triang_algo="intmath"
876            echo "integer math"
877        elif test "$triang_unsigned" = "3"; then
878            config_unsigned_triang_algo="diharmonic"
879            echo "di harmonics"
880        elif test "$triang_unsigned" = "5"; then
881            config_unsigned_triang_algo="intmathabs"
882            echo "integer math using abs()"
883        else
884            echo "Benchmark of unsigned triangular wave algorithms failed!"
885            echo "Maybe you are doing cross compilation? In that case you have to select"
886            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
887            echo "Call './configure --help' for further information or read configure.in."
888            exit -1;
889        fi
890    fi
891    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
892    
893    AC_LANG_RESTORE
894    
895    
896  ###########################################################################  ###########################################################################
897  # Create Build Files  # Create Build Files
898    
899  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
900  AM_INIT_AUTOMAKE(linuxsampler, 0.3.1)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
901    
902  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
903  AC_PROG_CXX  AC_PROG_CXX
904    
905    # some gcc 4.0 versions need -msse for SSE register allocations
906    if test "$config_asm" = "yes"; then
907      if test "$def_arch_x86" = 1; then
908        CXXFLAGS="$CXXFLAGS -msse"
909      fi
910    fi
911    
912  # 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
913  # this, the dlfcn.h check in am_prog_libtool may fail.  # this, the dlfcn.h check in am_prog_libtool may fail.
914  AC_CHECK_HEADER(stdlib.h)  AC_CHECK_HEADER(stdlib.h)
915    
916  AM_PROG_LIBTOOL  AC_OUTPUT( \
917        Makefile \
918  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 \
919        man/linuxsampler.1 \
920        src/Makefile \
921        src/network/Makefile \
922        src/engines/Makefile \
923        src/engines/gig/Makefile \
924        src/engines/common/Makefile \
925        src/common/Makefile src/lib/Makefile \
926        src/lib/fileloader/Makefile \
927        src/lib/fileloader/libgig/Makefile \
928        src/testcases/Makefile \
929        src/drivers/Makefile \
930        src/drivers/audio/Makefile \
931        src/drivers/midi/Makefile \
932        linuxsampler.spec \
933        debian/Makefile \
934        Artwork/Makefile \
935        scripts/Makefile \
936        osx/Makefile \
937        osx/LinuxSampler.xcode/Makefile \
938        Documentation/Makefile \
939        Documentation/Engines/Makefile \
940        Documentation/Engines/gig/Makefile \
941        linuxsampler.pc \
942        Doxyfile \
943    )
944    
945    
946  ###########################################################################  ###########################################################################
# Line 585  echo "# Maximum Stream Refill Size: ${co Line 965  echo "# Maximum Stream Refill Size: ${co
965  echo "# Stream Size: ${config_stream_size}"  echo "# Stream Size: ${config_stream_size}"
966  echo "# Maximum Disk Streams: ${config_max_streams}"  echo "# Maximum Disk Streams: ${config_max_streams}"
967  echo "# Maximum Voices: ${config_max_voices}"  echo "# Maximum Voices: ${config_max_voices}"
968    echo "# Default Subfragment Size: ${config_subfragment_size}"
969    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
970  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
971    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
972    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
973  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
974  echo "# Filter Update Steps: ${config_filter_update_steps}"  echo "# Min. Portamento Time: ${config_portamento_time_min} s"
975    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
976    echo "# Default Portamento Time: ${config_portamento_time_default} s"
977  echo "# Force Filter Usage: ${config_force_filter}"  echo "# Force Filter Usage: ${config_force_filter}"
978  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
979  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
# Line 595  echo "# Override Filter Cutoff Controlle Line 981  echo "# Override Filter Cutoff Controlle
981  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
982  echo "# Override Filter Type: ${config_override_filter_type}"  echo "# Override Filter Type: ${config_override_filter_type}"
983  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
984    echo "# Process Muted Channels: ${config_process_muted_channels}"
985    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
986    echo "# Interpolate Volume: ${config_interpolate_volume}"
987  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
988  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
989  echo "#####################################################################"  echo "#####################################################################"

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