/[svn]/linuxsampler/trunk/configure.ac
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revision 1049 by schoenebeck, Wed Feb 28 06:53:42 2007 UTC revision 1741 by schoenebeck, Wed May 28 03:44:46 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=1.5cvs
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=4
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.])
40    
41    AC_PROG_CXX
42  AM_PROG_LIBTOOL  AM_PROG_LIBTOOL
43    
44  AC_SUBST(SHLIB_VERSION_ARG)  AC_SUBST(SHLIB_VERSION_ARG)
# Line 52  AC_SUBST(target_cpu) Line 53  AC_SUBST(target_cpu)
53  AC_SUBST(target_os)  AC_SUBST(target_os)
54  AC_SUBST(target_vendor)  AC_SUBST(target_vendor)
55    
56    PKG_PROG_PKG_CONFIG
57    
58  ###########################################################################  ###########################################################################
59  # General Checks  # General Checks
# Line 79  if ! echo "X $CXXFLAGS " | grep -q -- " Line 81  if ! echo "X $CXXFLAGS " | grep -q -- "
81  fi  fi
82  AC_SUBST([CXX_CPU_SWITCH])  AC_SUBST([CXX_CPU_SWITCH])
83    
84    # check if we're on MS Windows
85    AC_CHECK_HEADERS(
86        mmsystem.h,
87        have_windows=1,
88        have_windows=0
89    )
90    AM_CONDITIONAL(HAVE_WINDOWS, test $have_windows = "1")
91    
92  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
93  AC_LANG_SAVE  AC_LANG_SAVE
94  AC_LANG_C  AC_LANG_C
# Line 101  have_unix98="no" Line 111  have_unix98="no"
111  )  )
112  AC_LANG_RESTORE  AC_LANG_RESTORE
113  AC_MSG_RESULT([$have_unix98])  AC_MSG_RESULT([$have_unix98])
114  if test "$have_unix98" = "no"; then  if test "$have_unix98" = "no" -a "have_windows" = "0"; then
115      if test "x$HAVE_UNIX98" = "x"; then      if test "x$HAVE_UNIX98" = "x"; then
116          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
117          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
# Line 114  fi Line 124  fi
124  # check for <features.h>  # check for <features.h>
125  AC_CHECK_HEADERS(features.h)  AC_CHECK_HEADERS(features.h)
126    
127    # test for POSIX thread library
128    m4_ifdef([m4_include(m4/pthread.m4)],,
129                 [sinclude([m4/pthread.m4])])
130    ACX_PTHREAD
131    LIBS="$PTHREAD_LIBS $LIBS"
132    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
133    CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
134    CC="$PTHREAD_CC"
135    
136    # check for a bug in NPTL-enabled glibc
137    # (see Gentoo bug report #194076)
138    AC_ARG_ENABLE(nptl-bug-check,
139      [  --disable-nptl-bug-check
140                              Disable check for a bug in certain NPTL-enabled
141                              glibc versions that caused crashs.],
142      [config_check_nptl_bug="$enableval"],
143      [config_check_nptl_bug="yes"]
144    )
145    if test "$config_check_nptl_bug" = "yes"; then
146        m4_ifdef([m4_include(m4/nptl_bug.m4)],,
147                 [sinclude([m4/nptl_bug.m4])])
148        ACX_NPTL_GLIBC_BUG([
149            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
150            echo "You seem to have a buggy PTHREAD library! LinuxSampler would"
151            echo "probably crash due to this. Please report us the system you are"
152            echo "using and/or file a bug report to the bug tracking system of"
153            echo "your distribution."
154            echo "If you have a NPTL-enabled glibc AND it was compiled for TLS as"
155            echo "well, you can try to circumvent this problem for now by setting"
156            echo "the environment variable LD_ASSUME_KERNEL=\"2.4.1\" , which"
157            echo "should cause this test to pass."
158            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
159            AC_MSG_ERROR([possibly NPTL glibc bug detected])
160        ])
161    else
162        echo "NPTL glibc bug check disabled"
163    fi
164    
165    
166    
167  ###########################################################################  ###########################################################################
168  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
# Line 127  AC_ARG_ENABLE(alsa-driver, Line 176  AC_ARG_ENABLE(alsa-driver,
176    [  --disable-alsa-driver    [  --disable-alsa-driver
177                            Disable support for the Advanced Linux Sound                            Disable support for the Advanced Linux Sound
178                            Architecture (ALSA).],                            Architecture (ALSA).],
179    [config_alsa_driver="no"],    [config_alsa_driver="$enableval"],
180    [config_alsa_driver="yes"]    [config_alsa_driver="yes"]
181  )  )
182  have_alsa=0  have_alsa=0
# Line 207  AC_ARG_ENABLE(jack-driver, Line 256  AC_ARG_ENABLE(jack-driver,
256    [  --disable-jack-driver    [  --disable-jack-driver
257                            Disable support for the Jack Audio Connection Kit                            Disable support for the Jack Audio Connection Kit
258                            (JACK).],                            (JACK).],
259    [config_jack_driver="no"],    [config_jack_driver="$enableval"],
260    [config_jack_driver="yes"]    [config_jack_driver="yes"]
261  )  )
262  have_jack=0  have_jack=0
# Line 225  fi Line 274  fi
274  AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")  AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
275  AC_DEFINE_UNQUOTED(HAVE_JACK,$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.])
276    
277    # JACK MIDI
278    have_jack_midi=0
279    if test $have_jack = "1"; then
280        linuxsampler_save_CFLAGS=$CFLAGS
281        linuxsampler_save_LIBS=$LIBS
282        CFLAGS="$JACK_CFLAGS $CFLAGS"
283        LIBS="$JACK_LIBS $LIBS"
284        AC_CHECK_HEADER(jack/midiport.h, have_jack_midi=1, have_jack_midi=0)
285        if test $have_jack_midi = "1"; then
286            AC_CHECK_FUNCS(jack_midi_get_event_count)
287            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jack/midiport.h>]], [[
288                jack_midi_clear_buffer(0, 0);
289            ]])], [AC_DEFINE(JACK_MIDI_FUNCS_NEED_NFRAMES, 1,
290                      [Define to 1 if you have the old jack midi functions that need an nframes argument.])])
291            have_midi_input_driver="true"
292        fi
293        CFLAGS=$linuxsampler_save_CFLAGS
294        LIBS=$linuxsampler_save_LIBS
295    fi
296    AM_CONDITIONAL(HAVE_JACK_MIDI, test $have_jack_midi = "1")
297    AC_DEFINE_UNQUOTED(HAVE_JACK_MIDI, $have_jack_midi,
298                       [Define to 1 if you have JACK with MIDI support installed.])
299    
300  # ARTS  # ARTS
301  AC_ARG_ENABLE(arts-driver,  AC_ARG_ENABLE(arts-driver,
302    [  --disable-arts-driver    [  --disable-arts-driver
303                            Disable support for the Analogue Realtime System                            Disable support for the Analogue Realtime System
304                            (aRts).],                            (aRts).],
305    [config_arts_driver="no"],    [config_arts_driver="$enableval"],
306    [config_arts_driver="yes"]    [config_arts_driver="yes"]
307  )  )
308  have_arts=0  have_arts=0
# Line 247  fi Line 319  fi
319  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
320  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.])
321    
322    # ASIO AUDIO (Win32)
323    AC_ARG_ENABLE(asiosdk-dir,
324      [  --enable-asiosdk-dir
325                              Directory where the ASIO SDK is located, this automatically
326                              enables the compilation of the ASIO audio output driver.],
327      [config_asiosdk_dir="${enableval}"],
328      [config_asiosdk_dir="."]
329    )
330    AC_SUBST(config_asiosdk_dir)
331    
332    AC_ARG_ENABLE(asio-driver,
333      [  --disable-asio-driver
334                              Disable support for the Windows ASIO driver.],
335      [config_asio_driver="$enableval"],
336      [config_asio_driver="yes"]
337    )
338    have_asio=0
339    ASIOSDK_BASEDIR=
340    if test "$config_asio_driver" = "yes"; then
341        asiosdk_headerfile=$config_asiosdk_dir/ASIOSDK2/common/asio.h
342        echo -n "checking for ASIO headerfile: $asiosdk_headerfile ...."
343        if test -e $asiosdk_headerfile ; then
344            echo yes
345            have_asio=1
346            ASIOSDK_BASEDIR="$config_asiosdk_dir"
347        else
348            echo no
349            have_asio=0
350        fi
351        if test "$have_asio" = "1"; then
352            have_audio_output_driver="true"
353        fi
354    else
355        echo "Windows ASIO support disabled by configure script parameter"
356    fi
357    AC_SUBST(ASIOSDK_BASEDIR)
358    AM_CONDITIONAL(HAVE_ASIO, test $have_asio = "1")
359    AC_DEFINE_UNQUOTED(HAVE_ASIO,$have_asio,[Define to 1 if you have ASIO installed.])
360    
361  # MidiShare (Linux, OS X, Windows)  # MidiShare (Linux, OS X, Windows)
362  AC_ARG_ENABLE(midishare-driver,  AC_ARG_ENABLE(midishare-driver,
363    [  --disable-midishare-driver    [  --disable-midishare-driver
364                            Disable support for the MidiShare system.],                            Disable support for the MidiShare system.],
365    [config_midishare_driver="no"],    [config_midishare_driver="$enableval"],
366    [config_midishare_driver="yes"]    [config_midishare_driver="yes"]
367  )  )
368  have_midishare=0  have_midishare=0
# Line 277  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_ Line 388  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_
388  AC_ARG_ENABLE(coremidi-driver,  AC_ARG_ENABLE(coremidi-driver,
389    [  --disable-coremidi-driver    [  --disable-coremidi-driver
390                            Disable support for the Apple CoreMIDI system.],                            Disable support for the Apple CoreMIDI system.],
391    [config_coremidi_driver="no"],    [config_coremidi_driver="$enableval"],
392    [config_coremidi_driver="yes"]    [config_coremidi_driver="yes"]
393  )  )
394  have_coremidi=0  have_coremidi=0
# Line 295  fi Line 406  fi
406  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
407  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
408    
409    # MME MIDI (Win32)
410    AC_ARG_ENABLE(mmemidi-driver,
411      [  --disable-mmemidi-driver
412                              Disable support for the Windows MME MIDI system.],
413      [config_mmemidi_driver="$enableval"],
414      [config_mmemidi_driver="yes"]
415    )
416    have_mmemidi=0
417    if test "$config_mmemidi_driver" = "yes"; then
418        AC_CHECK_HEADERS(mmsystem.h,
419            have_mmemidi=1,
420            have_mmemidi=0
421        )
422        if test "$have_mmemidi" = "1"; then
423            have_midi_input_driver="true"
424        fi
425    else
426        echo "MME MIDI support disabled by configure script parameter"
427    fi
428    AM_CONDITIONAL(HAVE_MME_MIDI, test $have_mmemidi = "1")
429    AC_DEFINE_UNQUOTED(HAVE_MME_MIDI,$have_mmemidi,[Define to 1 if you have MME MIDI installed.])
430    
431    # have we found at least one MIDI input and one audio output driver ?
432    if test "$have_midi_input_driver" = "false"; then
433        echo "No supported MIDI input system found!"
434        echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
435        echo "ALSA, JACK, MIDIShare, CoreMIDI, MME."
436        echo "If you think you have one of those available on your system, make sure you"
437        echo "also have the respective development (header) files installed."
438        exit -1;
439    fi
440    if test "$have_audio_output_driver" = "false"; then
441        echo "No supported audio output system found!"
442        echo "Sorry, LinuxSampler only supports ALSA, JACK, ARTS and ASIO as audio output"
443        echo "driver at the moment!"
444        exit -1;
445    fi
446    
447    
448    
449    ###########################################################################
450    # Checks for various DLL libraries
451    
452  # Check presence of libgig  # Check presence of libgig
453  libgig_version="3.1.0"  libgig_version="3.2.1"
454  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
455  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
456      echo "Required libgig version not found!"      echo "Required libgig version not found!"
# Line 308  fi Line 462  fi
462  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
463  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
464    
465  # SQLITE3  # Instruments DB feature (requires SQLite 3.3)
466  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  AC_ARG_ENABLE(instruments-db,
467  AC_SUBST(SQLITE3_LIBS)    [  --disable-instruments-db
468  AC_SUBST(SQLITE3_CFLAGS)                            Disable compilation of the sampler's instruments
469  if test $HAVE_SQLITE3 = false; then                            database feature. You need to have SQLite 3.3
470      HAVE_SQLITE3=0;                            or younger installed for this feature.],
471      echo "no, support for instrument DB will be disabled!"    [config_instruments_db="$enableval"],
472      [config_instruments_db="yes"]
473    )
474    HAVE_SQLITE3=0;
475    if test "$config_instruments_db" = "yes"; then
476        # Check presence of sqlite3
477        sqlite_version="3.3"
478        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
479        AC_SUBST(SQLITE3_LIBS)
480        AC_SUBST(SQLITE3_CFLAGS)
481        if test $HAVE_SQLITE3 = false; then
482            HAVE_SQLITE3=0
483            config_instruments_db="no"
484            echo "*** Required sqlite version not found!"
485            echo "*** You need to have sqlite version ${sqlite_version} or higher"
486            echo "*** for instruments database support to be enabled."
487            echo "*** Support for instruments DB will be disabled!"
488        else
489            HAVE_SQLITE3=1
490        fi
491  else  else
492      HAVE_SQLITE3=1      echo "Instruments DB feature disabled by configure script parameter"
     echo "yes"  
493  fi  fi
494  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
495  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
496    
 if test "$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 "$have_audio_output_driver" = "false"; then  
     echo "No supported audio output system found!"  
     echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"  
     exit -1;  
 fi  
497    
498    
499  ###########################################################################  ###########################################################################
# Line 343  fi Line 502  fi
502  # TODO: should we use AC_ARG_VAR(variable, description) instead?  # TODO: should we use AC_ARG_VAR(variable, description) instead?
503    
504  AC_ARG_ENABLE(asm,  AC_ARG_ENABLE(asm,
505    [  --enable-asm    [  --disable-asm
506                            Enable hand-crafted assembly optimizations                            Enable hand-crafted assembly optimizations
507                            (default=off). LinuxSampler provides CPU specific                            (default=on). LinuxSampler provides CPU specific
508                            assembly optimizations for the most important                            assembly optimizations. This is currently limited
509                            synthesis algorithms. This is currently disabled                            to just enter a fast (denormal) FPU mode on x86
510                            by default since current asm code is broken.],                            platforms. There are currently no synthesis core
511    [config_asm="yes"],                            assembly optimizations anymore since LS 0.4.0],
512    [config_asm="no"]    [config_asm="$enableval"],
513      [config_asm="yes"]
514  )  )
515  if test "$config_asm" = "yes"; then  if test "$config_asm" = "yes"; then
516    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.])
517  fi  fi
518    
519  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
520    [  --disable-dev-mode    [  --enable-dev-mode
521                            Disable development mode (default=on). In that mode                            Enable development mode (default=off). In that mode
522                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
523                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
524                            efficiency a bit],                            efficiency a bit],
525    [config_dev_mode="no"],    [config_dev_mode="$enableval"],
526    [config_dev_mode="yes"]    [config_dev_mode="no"]
527  )  )
528  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
529    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])    AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
# Line 390  AC_ARG_ENABLE(rt-exceptions, Line 550  AC_ARG_ENABLE(rt-exceptions,
550                            context as well. Otherwise if disabled                            context as well. Otherwise if disabled
551                            segmentation faults will be forced by the                            segmentation faults will be forced by the
552                            application on critical errors.],                            application on critical errors.],
553    [config_rt_exceptions="yes"],    [config_rt_exceptions="$enableval"],
554    [config_rt_exceptions="no"]    [config_rt_exceptions="no"]
555  )  )
556  if test "$config_rt_exceptions" = "yes"; then  if test "$config_rt_exceptions" = "yes"; then
557    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.])
558  fi  fi
559    
560    AC_ARG_ENABLE(pthread-testcancel,
561      [  --enable-pthread-testcancel
562                              Enable pthread_testcancel() calls and avoid asynchronous
563                              cancel of pthreads (default=no).],
564      [config_pthread_testcancel="$enableval"],
565      [config_pthread_testcancel="no"]
566    )
567    if test "$config_pthread_testcancel" = "yes"; then
568      AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
569    fi
570    
571  AC_ARG_ENABLE(preload-samples,  AC_ARG_ENABLE(preload-samples,
572    [  --enable-preload-samples    [  --enable-preload-samples
573                            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 755  AC_ARG_ENABLE(force-filter,
755                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
756                            no usage was define in instrument patch files.                            no usage was define in instrument patch files.
757                            (default=no).],                            (default=no).],
758    [config_force_filter="yes"],    [config_force_filter="$enableval"],
759    [config_force_filter="no"]    [config_force_filter="no"]
760  )  )
761  if test "$config_force_filter" = "yes"; then  if test "$config_force_filter" = "yes"; then
# Line 674  AC_ARG_ENABLE(gs-checksum, Line 845  AC_ARG_ENABLE(gs-checksum,
845                            messages which do not provide a correct checksum                            messages which do not provide a correct checksum
846                            will be ignored. This is disabled by default as                            will be ignored. This is disabled by default as
847                            not all devices honor GS checksums.],                            not all devices honor GS checksums.],
848    [config_assert_gs_sysex_checksum="yes"],    [config_assert_gs_sysex_checksum="$enableval"],
849    [config_assert_gs_sysex_checksum="no"]    [config_assert_gs_sysex_checksum="no"]
850  )  )
851  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 891  AC_ARG_ENABLE(signed-triang-algo,
891                                Similar to intmath but uses abs() function.                                Similar to intmath but uses abs() function.
892                                Depending on compiler and platrofm this could                                Depending on compiler and platrofm this could
893                                perform better than integer math as it avoids                                perform better than integer math as it avoids
894                                an extra integer multiply instruction.                                an extra integer multiply instruction.
   
895                              diharmonic:                              diharmonic:
896                                The triangular wave will be approximated by adding two                                The triangular wave will be approximated by adding two
897                                sinusoidials. This solution might especially hurt on                                sinusoidials. This solution might especially hurt on
# Line 755  AC_ARG_ENABLE(unsigned-triang-algo, Line 925  AC_ARG_ENABLE(unsigned-triang-algo,
925                                Similar to intmath but uses abs() function.                                Similar to intmath but uses abs() function.
926                                Depending on compiler and platrofm this could                                Depending on compiler and platrofm this could
927                                perform better than integer math as it avoids                                perform better than integer math as it avoids
928                                an extra integer multiply instruction.                                an extra integer multiply instruction.
   
929                              diharmonic:                              diharmonic:
930                                The triangular wave will be approximated by adding two                                The triangular wave will be approximated by adding two
931                                sinusoidials. This solution might especially hurt on                                sinusoidials. This solution might especially hurt on
# Line 787  AC_ARG_ENABLE(process-muted-channels, Line 956  AC_ARG_ENABLE(process-muted-channels,
956                            will not discard notes, triggered in mute mode,                            will not discard notes, triggered in mute mode,
957                            when the channel is unmuted. But also will reduce                            when the channel is unmuted. But also will reduce
958                            the efficiency.],                            the efficiency.],
959    [config_process_muted_channels="yes"],    [config_process_muted_channels="$enableval"],
960    [config_process_muted_channels="no"]    [config_process_muted_channels="no"]
961  )  )
962  if test "$config_process_muted_channels" = "yes"; then  if test "$config_process_muted_channels" = "yes"; then
# Line 801  AC_ARG_ENABLE(process-all-notes-off, Line 970  AC_ARG_ENABLE(process-all-notes-off,
970                            all voices whenever it receives an All-Notes-Off                            all voices whenever it receives an All-Notes-Off
971                            MIDI message. You can disable this behavior, so                            MIDI message. You can disable this behavior, so
972                            that LS simply ignores such messages.],                            that LS simply ignores such messages.],
973    [config_process_all_notes_off="no"],    [config_process_all_notes_off="$enableval"],
974    [config_process_all_notes_off="yes"]    [config_process_all_notes_off="yes"]
975  )  )
976  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 984  AC_ARG_ENABLE(interpolate-volume,
984                            generated by for example the envelope generator                            generated by for example the envelope generator
985                            will be smoother, minimizing the risk for audio                            will be smoother, minimizing the risk for audio
986                            clicks. Disable it to reduce CPU usage.],                            clicks. Disable it to reduce CPU usage.],
987    [config_interpolate_volume="no"],    [config_interpolate_volume="$enableval"],
988    [config_interpolate_volume="yes"]    [config_interpolate_volume="yes"]
989  )  )
990  if test "$config_interpolate_volume" = "yes"; then  if test "$config_interpolate_volume" = "yes"; then
991    AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])    AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
992  fi  fi
993    
994    AC_ARG_ENABLE(plugin-dir,
995      [  --enable-plugin-dir
996                              Directory where the sampler shall look for potential plugins,
997                              that is 3rd party shared libraries that should be loaded by
998                              the sampler on startup. By default the sampler will search
999                              for plugins in the subdirectory "plugins" below its own
1000                              library directory.
1001                              (i.e. /usr/local/lib/linuxsampler/plugins)],
1002      [config_plugin_dir="${enableval}"],
1003      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
1004    )
1005    AC_SUBST(config_plugin_dir)
1006    
1007    AC_ARG_ENABLE(default-instruments-db-location,
1008      [  --enable-default-instruments-db-location
1009                              Only when instruments DB feature is enabled: file name
1010                              which shall be taken as default location of the
1011                              instruments DB file. This location can still be
1012                              overridden at runtime with a command line switch.
1013                              (default: /var/lib/linuxsampler/instruments.db)],
1014      [config_default_instruments_db_file="${enableval}"],
1015      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
1016    )
1017    AC_DEFINE_UNQUOTED(
1018        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
1019        "$config_default_instruments_db_file",
1020        [Only when instruments DB feature is enabled: default location of the DB file.]
1021    )
1022    AC_SUBST(config_default_instruments_db_file)
1023    
1024    
1025  ###########################################################################  ###########################################################################
1026  # Automatic Benchmarks (to detect the best algorithms for the system)  # Automatic Benchmarks (to detect the best algorithms for the system)
# Line 856  if test "$config_signed_triang_algo" = " Line 1055  if test "$config_signed_triang_algo" = "
1055          echo "Call './configure --help' for further information or read configure.in."          echo "Call './configure --help' for further information or read configure.in."
1056          exit -1;          exit -1;
1057      fi      fi
1058    else
1059        case "$config_signed_triang_algo" in
1060            intmath)
1061                triang_signed=2 ;;
1062            diharmonic)
1063                triang_signed=3 ;;
1064            intmathabs)
1065                triang_signed=5 ;;
1066        esac
1067  fi  fi
1068  AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])  AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
1069    
# Line 887  if test "$config_unsigned_triang_algo" = Line 1095  if test "$config_unsigned_triang_algo" =
1095          echo "Call './configure --help' for further information or read configure.in."          echo "Call './configure --help' for further information or read configure.in."
1096          exit -1;          exit -1;
1097      fi      fi
1098    else
1099        case "$config_unsigned_triang_algo" in
1100            intmath)
1101                triang_unsigned=2 ;;
1102            diharmonic)
1103                triang_unsigned=3 ;;
1104            intmathabs)
1105                triang_unsigned=5 ;;
1106        esac
1107  fi  fi
1108  AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])  AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
1109    
# Line 900  AM_CONFIG_HEADER(config.h) Line 1117  AM_CONFIG_HEADER(config.h)
1117  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
1118    
1119  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
 AC_PROG_CXX  
1120    
1121  # some gcc 4.0 versions need -msse for SSE register allocations  # some gcc 4.0 versions need -msse for SSE register allocations
1122  if test "$config_asm" = "yes"; then  if test "$config_asm" = "yes"; then
# Line 918  AC_OUTPUT( \ Line 1134  AC_OUTPUT( \
1134      man/Makefile \      man/Makefile \
1135      man/linuxsampler.1 \      man/linuxsampler.1 \
1136      src/Makefile \      src/Makefile \
1137        src/db/Makefile \
1138      src/network/Makefile \      src/network/Makefile \
1139      src/engines/Makefile \      src/engines/Makefile \
1140      src/engines/gig/Makefile \      src/engines/gig/Makefile \
1141      src/engines/common/Makefile \      src/engines/common/Makefile \
1142      src/common/Makefile src/lib/Makefile \      src/effects/Makefile \
1143      src/lib/fileloader/Makefile \      src/common/Makefile \
     src/lib/fileloader/libgig/Makefile \  
1144      src/testcases/Makefile \      src/testcases/Makefile \
1145      src/drivers/Makefile \      src/drivers/Makefile \
1146      src/drivers/audio/Makefile \      src/drivers/audio/Makefile \
1147      src/drivers/midi/Makefile \      src/drivers/midi/Makefile \
1148        src/plugins/Makefile \
1149      linuxsampler.spec \      linuxsampler.spec \
1150      debian/Makefile \      debian/Makefile \
1151      Artwork/Makefile \      Artwork/Makefile \
1152      scripts/Makefile \      scripts/Makefile \
1153      osx/Makefile \      osx/Makefile \
1154      osx/LinuxSampler.xcode/Makefile \      osx/linuxsampler.xcodeproj/Makefile \
1155      Documentation/Makefile \      Documentation/Makefile \
1156      Documentation/Engines/Makefile \      Documentation/Engines/Makefile \
1157      Documentation/Engines/gig/Makefile \      Documentation/Engines/gig/Makefile \
# Line 942  AC_OUTPUT( \ Line 1159  AC_OUTPUT( \
1159      Doxyfile \      Doxyfile \
1160  )  )
1161    
1162    # resolve all nested variables in '${config_plugin_dir}'
1163    # (merely for providing a human readable summary below)
1164    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1165            config_plugin_dir=`eval echo ${config_plugin_dir}`
1166    done
1167    
1168    
1169  ###########################################################################  ###########################################################################
1170  # Output All Configuration Options  # Output All Configuration Options
# Line 984  echo "# Assert GS SysEx Checksum: ${conf Line 1207  echo "# Assert GS SysEx Checksum: ${conf
1207  echo "# Process Muted Channels: ${config_process_muted_channels}"  echo "# Process Muted Channels: ${config_process_muted_channels}"
1208  echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"  echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1209  echo "# Interpolate Volume: ${config_interpolate_volume}"  echo "# Interpolate Volume: ${config_interpolate_volume}"
1210    echo "# Instruments database support: ${config_instruments_db}"
1211    if test "$config_instruments_db" = "yes"; then
1212    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1213    fi
1214    echo "# Plugin Path: ${config_plugin_dir}"
1215  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1216  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
1217  echo "#####################################################################"  echo "#####################################################################"

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