/[svn]/linuxsampler/trunk/configure.ac
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revision 1049 by schoenebeck, Wed Feb 28 06:53:42 2007 UTC revision 1649 by nagata, Fri Jan 25 15:06:02 2008 UTC
# Line 4  AC_INIT(configure.in) Line 4  AC_INIT(configure.in)
4  # LinuxSampler's / liblinuxsampler's "official" release version:  # LinuxSampler's / liblinuxsampler's "official" release version:
5    
6  LINUXSAMPLER_RELEASE_MAJOR=0  LINUXSAMPLER_RELEASE_MAJOR=0
7  LINUXSAMPLER_RELEASE_MINOR=4  LINUXSAMPLER_RELEASE_MINOR=5
8  LINUXSAMPLER_RELEASE_BUILD=0.4cvs  LINUXSAMPLER_RELEASE_BUILD=1
9    
10  #------------------------------------------------------------------------------------  #------------------------------------------------------------------------------------
11  # The following is the libtool / shared library version. This doesn't have to  # The following is the libtool / shared library version. This doesn't have to
# Line 24  LINUXSAMPLER_RELEASE_BUILD=0.4cvs Line 24  LINUXSAMPLER_RELEASE_BUILD=0.4cvs
24  #  6. If any interfaces have been removed since the last public release, then set age  #  6. If any interfaces have been removed since the last public release, then set age
25  #     to 0.  #     to 0.
26    
27  LIBLINUXSAMPLER_LT_CURRENT=0  LIBLINUXSAMPLER_LT_CURRENT=2
28  LIBLINUXSAMPLER_LT_REVISION=0  LIBLINUXSAMPLER_LT_REVISION=0
29  LIBLINUXSAMPLER_LT_AGE=0  LIBLINUXSAMPLER_LT_AGE=1
30  SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE"  SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE"
31    
32  #------------------------------------------------------------------------------------  #------------------------------------------------------------------------------------
33  # the LSCP specification version this LinuSampler release complies with:  # the LSCP specification version this LinuSampler release complies with:
34    
35  LSCP_RELEASE_MAJOR=1  LSCP_RELEASE_MAJOR=1
36  LSCP_RELEASE_MINOR=2  LSCP_RELEASE_MINOR=3
37    
38  AC_DEFINE_UNQUOTED(LSCP_RELEASE_MAJOR, ${LSCP_RELEASE_MAJOR}, [LSCP spec major version this release complies with.])  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.])  AC_DEFINE_UNQUOTED(LSCP_RELEASE_MINOR, ${LSCP_RELEASE_MINOR}, [LSCP spec minor version this release complies with.])
# Line 52  AC_SUBST(target_cpu) Line 52  AC_SUBST(target_cpu)
52  AC_SUBST(target_os)  AC_SUBST(target_os)
53  AC_SUBST(target_vendor)  AC_SUBST(target_vendor)
54    
55    PKG_PROG_PKG_CONFIG
56    
57  ###########################################################################  ###########################################################################
58  # General Checks  # General Checks
# Line 79  if ! echo "X $CXXFLAGS " | grep -q -- " Line 80  if ! echo "X $CXXFLAGS " | grep -q -- "
80  fi  fi
81  AC_SUBST([CXX_CPU_SWITCH])  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 $have_windows = "1")
90    
91  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
92  AC_LANG_SAVE  AC_LANG_SAVE
93  AC_LANG_C  AC_LANG_C
# Line 101  have_unix98="no" Line 110  have_unix98="no"
110  )  )
111  AC_LANG_RESTORE  AC_LANG_RESTORE
112  AC_MSG_RESULT([$have_unix98])  AC_MSG_RESULT([$have_unix98])
113  if test "$have_unix98" = "no"; then  if test "$have_unix98" = "no" -a "have_windows" = "0"; then
114      if test "x$HAVE_UNIX98" = "x"; then      if test "x$HAVE_UNIX98" = "x"; then
115          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
116          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
# Line 114  fi Line 123  fi
123  # check for <features.h>  # check for <features.h>
124  AC_CHECK_HEADERS(features.h)  AC_CHECK_HEADERS(features.h)
125    
126    # test for POSIX thread library
127    m4_ifdef([m4_include(m4/pthread.m4)],,
128                 [sinclude([m4/pthread.m4])])
129    ACX_PTHREAD
130    LIBS="$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  # Checks for available audio and MIDI systems / drivers
# Line 127  AC_ARG_ENABLE(alsa-driver, Line 175  AC_ARG_ENABLE(alsa-driver,
175    [  --disable-alsa-driver    [  --disable-alsa-driver
176                            Disable support for the Advanced Linux Sound                            Disable support for the Advanced Linux Sound
177                            Architecture (ALSA).],                            Architecture (ALSA).],
178    [config_alsa_driver="no"],    [config_alsa_driver="$enableval"],
179    [config_alsa_driver="yes"]    [config_alsa_driver="yes"]
180  )  )
181  have_alsa=0  have_alsa=0
# Line 207  AC_ARG_ENABLE(jack-driver, Line 255  AC_ARG_ENABLE(jack-driver,
255    [  --disable-jack-driver    [  --disable-jack-driver
256                            Disable support for the Jack Audio Connection Kit                            Disable support for the Jack Audio Connection Kit
257                            (JACK).],                            (JACK).],
258    [config_jack_driver="no"],    [config_jack_driver="$enableval"],
259    [config_jack_driver="yes"]    [config_jack_driver="yes"]
260  )  )
261  have_jack=0  have_jack=0
# Line 230  AC_ARG_ENABLE(arts-driver, Line 278  AC_ARG_ENABLE(arts-driver,
278    [  --disable-arts-driver    [  --disable-arts-driver
279                            Disable support for the Analogue Realtime System                            Disable support for the Analogue Realtime System
280                            (aRts).],                            (aRts).],
281    [config_arts_driver="no"],    [config_arts_driver="$enableval"],
282    [config_arts_driver="yes"]    [config_arts_driver="yes"]
283  )  )
284  have_arts=0  have_arts=0
# Line 247  fi Line 295  fi
295  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
296  AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])  AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
297    
298    # ASIO AUDIO (Win32)
299    AC_ARG_ENABLE(asiosdk-dir,
300      [  --enable-asiosdk-dir
301                              Directory where the ASIO SDK is located, this automatically
302                              enables the compilation of the ASIO audio output driver.],
303      [config_asiosdk_dir="${enableval}"],
304      [config_asiosdk_dir="."]
305    )
306    AC_SUBST(config_asiosdk_dir)
307    
308    AC_ARG_ENABLE(asio-driver,
309      [  --disable-asio-driver
310                              Disable support for the Windows ASIO driver.],
311      [config_asio_driver="$enableval"],
312      [config_asio_driver="yes"]
313    )
314    have_asio=0
315    ASIOSDK_BASEDIR=
316    if test "$config_asio_driver" = "yes"; then
317        asiosdk_headerfile=$config_asiosdk_dir/ASIOSDK2/common/asio.h
318        echo -n "checking for ASIO headerfile: $asiosdk_headerfile ...."
319        if test -e $asiosdk_headerfile ; then
320            echo yes
321            have_asio=1
322            ASIOSDK_BASEDIR="$config_asiosdk_dir"
323        else
324            echo no
325            have_asio=0
326        fi
327        if test "$have_asio" = "1"; then
328            have_audio_output_driver="true"
329        fi
330    else
331        echo "Windows ASIO support disabled by configure script parameter"
332    fi
333    AC_SUBST(ASIOSDK_BASEDIR)
334    AM_CONDITIONAL(HAVE_ASIO, test $have_asio = "1")
335    AC_DEFINE_UNQUOTED(HAVE_ASIO,$have_asio,[Define to 1 if you have ASIO installed.])
336    
337  # MidiShare (Linux, OS X, Windows)  # MidiShare (Linux, OS X, Windows)
338  AC_ARG_ENABLE(midishare-driver,  AC_ARG_ENABLE(midishare-driver,
339    [  --disable-midishare-driver    [  --disable-midishare-driver
340                            Disable support for the MidiShare system.],                            Disable support for the MidiShare system.],
341    [config_midishare_driver="no"],    [config_midishare_driver="$enableval"],
342    [config_midishare_driver="yes"]    [config_midishare_driver="yes"]
343  )  )
344  have_midishare=0  have_midishare=0
# Line 277  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_ Line 364  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_
364  AC_ARG_ENABLE(coremidi-driver,  AC_ARG_ENABLE(coremidi-driver,
365    [  --disable-coremidi-driver    [  --disable-coremidi-driver
366                            Disable support for the Apple CoreMIDI system.],                            Disable support for the Apple CoreMIDI system.],
367    [config_coremidi_driver="no"],    [config_coremidi_driver="$enableval"],
368    [config_coremidi_driver="yes"]    [config_coremidi_driver="yes"]
369  )  )
370  have_coremidi=0  have_coremidi=0
# Line 295  fi Line 382  fi
382  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
383  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
384    
385    # MME MIDI (Win32)
386    AC_ARG_ENABLE(mmemidi-driver,
387      [  --disable-mmemidi-driver
388                              Disable support for the Windows MME MIDI system.],
389      [config_mmemidi_driver="$enableval"],
390      [config_mmemidi_driver="yes"]
391    )
392    have_mmemidi=0
393    if test "$config_mmemidi_driver" = "yes"; then
394        AC_CHECK_HEADERS(mmsystem.h,
395            have_mmemidi=1,
396            have_mmemidi=0
397        )
398        if test "$have_mmemidi" = "1"; then
399            have_midi_input_driver="true"
400        fi
401    else
402        echo "MME MIDI support disabled by configure script parameter"
403    fi
404    AM_CONDITIONAL(HAVE_MME_MIDI, test $have_mmemidi = "1")
405    AC_DEFINE_UNQUOTED(HAVE_MME_MIDI,$have_mmemidi,[Define to 1 if you have MME MIDI installed.])
406    
407    # have we found at least one MIDI input and one audio output driver ?
408    if test "$have_midi_input_driver" = "false"; then
409        echo "No supported MIDI input system found!"
410        echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
411        echo "ALSA, MIDIShare, CoreMIDI."
412        echo "If you think you have one of those available on your system, make sure you"
413        echo "also have the respective development (header) files installed."
414        exit -1;
415    fi
416    if test "$have_audio_output_driver" = "false"; then
417        echo "No supported audio output system found!"
418        echo "Sorry, LinuxSampler only supports ALSA, JACK and ARTS as audio output"
419        echo "driver at the moment!"
420        exit -1;
421    fi
422    
423    
424    
425    ###########################################################################
426    # Checks for various DLL libraries
427    
428  # Check presence of libgig  # Check presence of libgig
429  libgig_version="3.1.0"  libgig_version="3.2.1"
430  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
431  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
432      echo "Required libgig version not found!"      echo "Required libgig version not found!"
# Line 308  fi Line 438  fi
438  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
439  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
440    
441  # SQLITE3  # Instruments DB feature (requires SQLite 3.3)
442  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  AC_ARG_ENABLE(instruments-db,
443  AC_SUBST(SQLITE3_LIBS)    [  --disable-instruments-db
444  AC_SUBST(SQLITE3_CFLAGS)                            Disable compilation of the sampler's instruments
445  if test $HAVE_SQLITE3 = false; then                            database feature. You need to have SQLite 3.3
446      HAVE_SQLITE3=0;                            or younger installed for this feature.],
447      echo "no, support for instrument DB will be disabled!"    [config_instruments_db="$enableval"],
448      [config_instruments_db="yes"]
449    )
450    HAVE_SQLITE3=0;
451    if test "$config_instruments_db" = "yes"; then
452        # Check presence of sqlite3
453        sqlite_version="3.3"
454        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
455        AC_SUBST(SQLITE3_LIBS)
456        AC_SUBST(SQLITE3_CFLAGS)
457        if test $HAVE_SQLITE3 = false; then
458            HAVE_SQLITE3=0
459            config_instruments_db="no"
460            echo "*** Required sqlite version not found!"
461            echo "*** You need to have sqlite version ${sqlite_version} or higher"
462            echo "*** for instruments database support to be enabled."
463            echo "*** Support for instruments DB will be disabled!"
464        else
465            HAVE_SQLITE3=1
466        fi
467  else  else
468      HAVE_SQLITE3=1      echo "Instruments DB feature disabled by configure script parameter"
     echo "yes"  
469  fi  fi
470  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
471  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
472    
 if test "$have_midi_input_driver" = "false"; then  
     echo "No supported MIDI input system found!"  
     echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"  
     echo "ALSA, MIDIShare, CoreMIDI."  
     echo "If you think you have one of those available on your system, make sure you"  
     echo "also have the respective development (header) files installed."  
     exit -1;  
 fi  
 if test "$have_audio_output_driver" = "false"; then  
     echo "No supported audio output system found!"  
     echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"  
     exit -1;  
 fi  
473    
474    
475  ###########################################################################  ###########################################################################
# Line 343  fi Line 478  fi
478  # TODO: should we use AC_ARG_VAR(variable, description) instead?  # TODO: should we use AC_ARG_VAR(variable, description) instead?
479    
480  AC_ARG_ENABLE(asm,  AC_ARG_ENABLE(asm,
481    [  --enable-asm    [  --disable-asm
482                            Enable hand-crafted assembly optimizations                            Enable hand-crafted assembly optimizations
483                            (default=off). LinuxSampler provides CPU specific                            (default=on). LinuxSampler provides CPU specific
484                            assembly optimizations for the most important                            assembly optimizations. This is currently limited
485                            synthesis algorithms. This is currently disabled                            to just enter a fast (denormal) FPU mode on x86
486                            by default since current asm code is broken.],                            platforms. There are currently no synthesis core
487    [config_asm="yes"],                            assembly optimizations anymore since LS 0.4.0],
488    [config_asm="no"]    [config_asm="$enableval"],
489      [config_asm="yes"]
490  )  )
491  if test "$config_asm" = "yes"; then  if test "$config_asm" = "yes"; then
492    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 asm optimizations.])
493  fi  fi
494    
495  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
496    [  --disable-dev-mode    [  --enable-dev-mode
497                            Disable development mode (default=on). In that mode                            Enable development mode (default=off). In that mode
498                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
499                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
500                            efficiency a bit],                            efficiency a bit],
501    [config_dev_mode="no"],    [config_dev_mode="$enableval"],
502    [config_dev_mode="yes"]    [config_dev_mode="no"]
503  )  )
504  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
505    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
# Line 390  AC_ARG_ENABLE(rt-exceptions, Line 526  AC_ARG_ENABLE(rt-exceptions,
526                            context as well. Otherwise if disabled                            context as well. Otherwise if disabled
527                            segmentation faults will be forced by the                            segmentation faults will be forced by the
528                            application on critical errors.],                            application on critical errors.],
529    [config_rt_exceptions="yes"],    [config_rt_exceptions="$enableval"],
530    [config_rt_exceptions="no"]    [config_rt_exceptions="no"]
531  )  )
532  if test "$config_rt_exceptions" = "yes"; then  if test "$config_rt_exceptions" = "yes"; then
533    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
534  fi  fi
535    
536    AC_ARG_ENABLE(pthread-testcancel,
537      [  --enable-pthread-testcancel
538                              Enable pthread_testcancel() calls and avoid asynchronous
539                              cancel of pthreads (default=no).],
540      [config_pthread_testcancel="$enableval"],
541      [config_pthread_testcancel="no"]
542    )
543    if test "$config_pthread_testcancel" = "yes"; then
544      AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
545    fi
546    
547  AC_ARG_ENABLE(preload-samples,  AC_ARG_ENABLE(preload-samples,
548    [  --enable-preload-samples    [  --enable-preload-samples
549                            Due to seeking and latency issues with hard drives                            Due to seeking and latency issues with hard drives
# Line 584  AC_ARG_ENABLE(force-filter, Line 731  AC_ARG_ENABLE(force-filter,
731                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
732                            no usage was define in instrument patch files.                            no usage was define in instrument patch files.
733                            (default=no).],                            (default=no).],
734    [config_force_filter="yes"],    [config_force_filter="$enableval"],
735    [config_force_filter="no"]    [config_force_filter="no"]
736  )  )
737  if test "$config_force_filter" = "yes"; then  if test "$config_force_filter" = "yes"; then
# Line 674  AC_ARG_ENABLE(gs-checksum, Line 821  AC_ARG_ENABLE(gs-checksum,
821                            messages which do not provide a correct checksum                            messages which do not provide a correct checksum
822                            will be ignored. This is disabled by default as                            will be ignored. This is disabled by default as
823                            not all devices honor GS checksums.],                            not all devices honor GS checksums.],
824    [config_assert_gs_sysex_checksum="yes"],    [config_assert_gs_sysex_checksum="$enableval"],
825    [config_assert_gs_sysex_checksum="no"]    [config_assert_gs_sysex_checksum="no"]
826  )  )
827  if test "config_assert_gs_sysex_checksum" = "yes"; then  if test "config_assert_gs_sysex_checksum" = "yes"; then
# Line 720  AC_ARG_ENABLE(signed-triang-algo, Line 867  AC_ARG_ENABLE(signed-triang-algo,
867                                Similar to intmath but uses abs() function.                                Similar to intmath but uses abs() function.
868                                Depending on compiler and platrofm this could                                Depending on compiler and platrofm this could
869                                perform better than integer math as it avoids                                perform better than integer math as it avoids
870                                an extra integer multiply instruction.                                an extra integer multiply instruction.
   
871                              diharmonic:                              diharmonic:
872                                The triangular wave will be approximated by adding two                                The triangular wave will be approximated by adding two
873                                sinusoidials. This solution might especially hurt on                                sinusoidials. This solution might especially hurt on
# Line 755  AC_ARG_ENABLE(unsigned-triang-algo, Line 901  AC_ARG_ENABLE(unsigned-triang-algo,
901                                Similar to intmath but uses abs() function.                                Similar to intmath but uses abs() function.
902                                Depending on compiler and platrofm this could                                Depending on compiler and platrofm this could
903                                perform better than integer math as it avoids                                perform better than integer math as it avoids
904                                an extra integer multiply instruction.                                an extra integer multiply instruction.
   
905                              diharmonic:                              diharmonic:
906                                The triangular wave will be approximated by adding two                                The triangular wave will be approximated by adding two
907                                sinusoidials. This solution might especially hurt on                                sinusoidials. This solution might especially hurt on
# Line 787  AC_ARG_ENABLE(process-muted-channels, Line 932  AC_ARG_ENABLE(process-muted-channels,
932                            will not discard notes, triggered in mute mode,                            will not discard notes, triggered in mute mode,
933                            when the channel is unmuted. But also will reduce                            when the channel is unmuted. But also will reduce
934                            the efficiency.],                            the efficiency.],
935    [config_process_muted_channels="yes"],    [config_process_muted_channels="$enableval"],
936    [config_process_muted_channels="no"]    [config_process_muted_channels="no"]
937  )  )
938  if test "$config_process_muted_channels" = "yes"; then  if test "$config_process_muted_channels" = "yes"; then
# Line 801  AC_ARG_ENABLE(process-all-notes-off, Line 946  AC_ARG_ENABLE(process-all-notes-off,
946                            all voices whenever it receives an All-Notes-Off                            all voices whenever it receives an All-Notes-Off
947                            MIDI message. You can disable this behavior, so                            MIDI message. You can disable this behavior, so
948                            that LS simply ignores such messages.],                            that LS simply ignores such messages.],
949    [config_process_all_notes_off="no"],    [config_process_all_notes_off="$enableval"],
950    [config_process_all_notes_off="yes"]    [config_process_all_notes_off="yes"]
951  )  )
952  if test "$config_process_all_notes_off" = "yes"; then  if test "$config_process_all_notes_off" = "yes"; then
# Line 815  AC_ARG_ENABLE(interpolate-volume, Line 960  AC_ARG_ENABLE(interpolate-volume,
960                            generated by for example the envelope generator                            generated by for example the envelope generator
961                            will be smoother, minimizing the risk for audio                            will be smoother, minimizing the risk for audio
962                            clicks. Disable it to reduce CPU usage.],                            clicks. Disable it to reduce CPU usage.],
963    [config_interpolate_volume="no"],    [config_interpolate_volume="$enableval"],
964    [config_interpolate_volume="yes"]    [config_interpolate_volume="yes"]
965  )  )
966  if test "$config_interpolate_volume" = "yes"; then  if test "$config_interpolate_volume" = "yes"; then
967    AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])    AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
968  fi  fi
969    
970    AC_ARG_ENABLE(plugin-dir,
971      [  --enable-plugin-dir
972                              Directory where the sampler shall look for potential plugins,
973                              that is 3rd party shared libraries that should be loaded by
974                              the sampler on startup. By default the sampler will search
975                              for plugins in the subdirectory "plugins" below its own
976                              library directory.
977                              (i.e. /usr/local/lib/linuxsampler/plugins)],
978      [config_plugin_dir="${enableval}"],
979      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
980    )
981    AC_SUBST(config_plugin_dir)
982    
983    AC_ARG_ENABLE(default-instruments-db-location,
984      [  --enable-default-instruments-db-location
985                              Only when instruments DB feature is enabled: file name
986                              which shall be taken as default location of the
987                              instruments DB file. This location can still be
988                              overridden at runtime with a command line switch.
989                              (default: /var/lib/linuxsampler/instruments.db)],
990      [config_default_instruments_db_file="${enableval}"],
991      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
992    )
993    AC_DEFINE_UNQUOTED(
994        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
995        "$config_default_instruments_db_file",
996        [Only when instruments DB feature is enabled: default location of the DB file.]
997    )
998    AC_SUBST(config_default_instruments_db_file)
999    
1000    
1001  ###########################################################################  ###########################################################################
1002  # Automatic Benchmarks (to detect the best algorithms for the system)  # Automatic Benchmarks (to detect the best algorithms for the system)
# Line 856  if test "$config_signed_triang_algo" = " Line 1031  if test "$config_signed_triang_algo" = "
1031          echo "Call './configure --help' for further information or read configure.in."          echo "Call './configure --help' for further information or read configure.in."
1032          exit -1;          exit -1;
1033      fi      fi
1034    else
1035        case "$config_signed_triang_algo" in
1036            intmath)
1037                triang_signed=2 ;;
1038            diharmonic)
1039                triang_signed=3 ;;
1040            intmathabs)
1041                triang_signed=5 ;;
1042        esac
1043  fi  fi
1044  AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])  AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
1045    
# Line 887  if test "$config_unsigned_triang_algo" = Line 1071  if test "$config_unsigned_triang_algo" =
1071          echo "Call './configure --help' for further information or read configure.in."          echo "Call './configure --help' for further information or read configure.in."
1072          exit -1;          exit -1;
1073      fi      fi
1074    else
1075        case "$config_unsigned_triang_algo" in
1076            intmath)
1077                triang_unsigned=2 ;;
1078            diharmonic)
1079                triang_unsigned=3 ;;
1080            intmathabs)
1081                triang_unsigned=5 ;;
1082        esac
1083  fi  fi
1084  AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])  AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
1085    
# Line 918  AC_OUTPUT( \ Line 1111  AC_OUTPUT( \
1111      man/Makefile \      man/Makefile \
1112      man/linuxsampler.1 \      man/linuxsampler.1 \
1113      src/Makefile \      src/Makefile \
1114        src/db/Makefile \
1115      src/network/Makefile \      src/network/Makefile \
1116      src/engines/Makefile \      src/engines/Makefile \
1117      src/engines/gig/Makefile \      src/engines/gig/Makefile \
1118      src/engines/common/Makefile \      src/engines/common/Makefile \
1119      src/common/Makefile src/lib/Makefile \      src/common/Makefile \
     src/lib/fileloader/Makefile \  
     src/lib/fileloader/libgig/Makefile \  
1120      src/testcases/Makefile \      src/testcases/Makefile \
1121      src/drivers/Makefile \      src/drivers/Makefile \
1122      src/drivers/audio/Makefile \      src/drivers/audio/Makefile \
1123      src/drivers/midi/Makefile \      src/drivers/midi/Makefile \
1124        src/plugins/Makefile \
1125      linuxsampler.spec \      linuxsampler.spec \
1126      debian/Makefile \      debian/Makefile \
1127      Artwork/Makefile \      Artwork/Makefile \
1128      scripts/Makefile \      scripts/Makefile \
1129      osx/Makefile \      osx/Makefile \
1130      osx/LinuxSampler.xcode/Makefile \      osx/linuxsampler.xcodeproj/Makefile \
1131      Documentation/Makefile \      Documentation/Makefile \
1132      Documentation/Engines/Makefile \      Documentation/Engines/Makefile \
1133      Documentation/Engines/gig/Makefile \      Documentation/Engines/gig/Makefile \
# Line 942  AC_OUTPUT( \ Line 1135  AC_OUTPUT( \
1135      Doxyfile \      Doxyfile \
1136  )  )
1137    
1138    # resolve all nested variables in '${config_plugin_dir}'
1139    # (merely for providing a human readable summary below)
1140    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1141            config_plugin_dir=`eval echo ${config_plugin_dir}`
1142    done
1143    
1144    
1145  ###########################################################################  ###########################################################################
1146  # Output All Configuration Options  # Output All Configuration Options
# Line 984  echo "# Assert GS SysEx Checksum: ${conf Line 1183  echo "# Assert GS SysEx Checksum: ${conf
1183  echo "# Process Muted Channels: ${config_process_muted_channels}"  echo "# Process Muted Channels: ${config_process_muted_channels}"
1184  echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"  echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1185  echo "# Interpolate Volume: ${config_interpolate_volume}"  echo "# Interpolate Volume: ${config_interpolate_volume}"
1186    echo "# Instruments database support: ${config_instruments_db}"
1187    if test "$config_instruments_db" = "yes"; then
1188    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1189    fi
1190    echo "# Plugin Path: ${config_plugin_dir}"
1191  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1192  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
1193  echo "#####################################################################"  echo "#####################################################################"

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