/[svn]/linuxsampler/trunk/configure.in
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revision 563 by schoenebeck, Sun May 22 20:43:32 2005 UTC revision 1956 by schoenebeck, Fri Jul 31 07:45:47 2009 UTC
# Line 1  Line 1 
1  AC_INIT(configure.in)  AC_INIT(configure.in)
 AC_C_BIGENDIAN  
 AC_CANONICAL_SYSTEM  
2    
3  AC_SUBST(target)  #------------------------------------------------------------------------------------
4  AC_SUBST(target_alias)  # LinuxSampler's / liblinuxsampler's "official" release version:
5  AC_SUBST(target_cpu)  
6  AC_SUBST(target_os)  LINUXSAMPLER_RELEASE_MAJOR=1
7  AC_SUBST(target_vendor)  LINUXSAMPLER_RELEASE_MINOR=0
8    LINUXSAMPLER_RELEASE_BUILD=0
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=3
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=4
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    AC_PROG_CXX
42    AC_LIBTOOL_WIN32_DLL
43    AM_PROG_LIBTOOL
44    
45    AC_SUBST(SHLIB_VERSION_ARG)
46    AC_SUBST(SHARED_VERSION_INFO)
47    
48    AC_C_BIGENDIAN
49    AC_CANONICAL_HOST
50    
51    PKG_PROG_PKG_CONFIG
52    
53  ###########################################################################  ###########################################################################
54  # General Checks  # General Checks
55    
56    AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
57    
58  AC_MSG_CHECKING([whether x86 architecture])  AC_MSG_CHECKING([whether x86 architecture])
59  def_arch_x86=0  def_arch_x86=0
60  case $target_cpu in  case $host_cpu in
61    "i386" | "i486" | "i586" | "i686" | "i786")    "i386" | "i486" | "i586" | "i686" | "i786" | "x86_64")
62      echo "yes"      echo "yes"
63      def_arch_x86=1;;      def_arch_x86=1;;
64    *)    *)
# Line 24  esac Line 67  esac
67  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
68    
69  # determine the right gcc switch for CPU specific optimizations  # determine the right gcc switch for CPU specific optimizations
70    # (only if the user did not provide one)
71  CXX_CPU_SWITCH=  CXX_CPU_SWITCH=
72  if test "$def_arch_x86" = 1; then  if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then
73    CXX_CPU_SWITCH="-march=$target_cpu"    if test "$def_arch_x86" = 1 -a "$host_cpu" != "x86_64"; then
74  elif test "$target_cpu" = "powerpc"; then      CXX_CPU_SWITCH="-march=$host_cpu"
75    CXX_CPU_SWITCH="-arch=$target_cpu"    elif test "$target_cpu" = "ppc"; then
76        CXX_CPU_SWITCH="-arch=$host_cpu"
77      fi
78  fi  fi
79  AC_SUBST([CXX_CPU_SWITCH])  AC_SUBST([CXX_CPU_SWITCH])
80    
81    # check if we're on MS Windows
82    AC_CHECK_HEADERS(
83        mmsystem.h,
84        have_windows=1,
85        have_windows=0,
86        [#include <windef.h>]
87    )
88    AM_CONDITIONAL(HAVE_WINDOWS, test $have_windows = "1")
89    
90  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
91  AC_LANG_SAVE  AC_LANG_SAVE
92  AC_LANG_C  AC_LANG_C
# Line 54  have_unix98="no" Line 109  have_unix98="no"
109  )  )
110  AC_LANG_RESTORE  AC_LANG_RESTORE
111  AC_MSG_RESULT([$have_unix98])  AC_MSG_RESULT([$have_unix98])
112  if test "$have_unix98" = "no"; then  if test "$have_unix98" = "no" -a "have_windows" = "0"; then
113      if test "x$HAVE_UNIX98" = "x"; then      if test "x$HAVE_UNIX98" = "x"; then
114          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
115          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
# Line 64  if test "$have_unix98" = "no"; then Line 119  if test "$have_unix98" = "no"; then
119      fi      fi
120  fi  fi
121    
122    # check for <features.h>
123    AC_CHECK_HEADERS(features.h)
124    
125    # test for POSIX thread library
126    m4_ifdef([m4_include(m4/pthread.m4)],,
127                 [sinclude([m4/pthread.m4])])
128    ACX_PTHREAD
129    LIBS="$PTHREAD_LIBS $LIBS"
130    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
131    CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
132    CC="$PTHREAD_CC"
133    
134    # check for a bug in NPTL-enabled glibc
135    # (see Gentoo bug report #194076)
136    AC_ARG_ENABLE(nptl-bug-check,
137      [  --disable-nptl-bug-check
138                              Disable check for a bug in certain NPTL-enabled
139                              glibc versions that caused crashs.],
140      [config_check_nptl_bug="$enableval"],
141      [config_check_nptl_bug="yes"]
142    )
143    if test "$config_check_nptl_bug" = "yes"; then
144        m4_ifdef([m4_include(m4/nptl_bug.m4)],,
145                 [sinclude([m4/nptl_bug.m4])])
146        ACX_NPTL_GLIBC_BUG([
147            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
148            echo "You seem to have a buggy PTHREAD library! LinuxSampler would"
149            echo "probably crash due to this. Please report us the system you are"
150            echo "using and/or file a bug report to the bug tracking system of"
151            echo "your distribution."
152            echo "If you have a NPTL-enabled glibc AND it was compiled for TLS as"
153            echo "well, you can try to circumvent this problem for now by setting"
154            echo "the environment variable LD_ASSUME_KERNEL=\"2.4.1\" , which"
155            echo "should cause this test to pass."
156            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
157            AC_MSG_ERROR([possibly NPTL glibc bug detected])
158        ])
159    else
160        echo "NPTL glibc bug check disabled"
161    fi
162    
163    # FIXME: this is actually a dependency of libgig, not of LS directly, why
164    # isn't it hidden by libgig?
165    AC_CHECK_HEADERS(uuid/uuid.h)
166    AC_SEARCH_LIBS(uuid_generate, uuid)
167    
168    
169    
170    ###########################################################################
171  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
172  # (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)
173    
174  have_midi_input_driver="false"  have_midi_input_driver="false"
175  have_audio_output_driver="false"  have_audio_output_driver="false"
176    
177  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
178      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
179                               have_alsa=1    [  --disable-alsa-driver
180                               ,                            Disable support for the Advanced Linux Sound
181                               have_alsa=0                            Architecture (ALSA).],
182                  )    [config_alsa_driver="$enableval"],
183                  ,    [config_alsa_driver="yes"]
184                  have_alsa=0  )
185  )  have_alsa=0
186  if test "$have_alsa" = "1"; then  if test "$config_alsa_driver" = "yes"; then
187      have_midi_input_driver="true"      AC_CHECK_HEADER(alsa/asoundlib.h,
188      have_audio_output_driver="true";          AC_CHECK_LIB(asound, main,
189                                     have_alsa=1
190                                     ,
191                                     have_alsa=0
192                        )
193                        ,
194                        have_alsa=0
195        )
196        if test "$have_alsa" = "1"; then
197            have_midi_input_driver="true"
198            have_audio_output_driver="true";
199        fi
200    
201        echo -n "checking Alsa version... "
202        AC_LANG_SAVE
203        AC_LANG_C
204        AC_TRY_RUN([
205            #include <alsa/asoundlib.h>
206            void main(void) {
207                /* ensure backward compatibility */
208                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
209                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
210                #endif
211                exit(SND_LIB_MAJOR);
212            }
213        ],
214        alsa_major=0,
215        alsa_major=$?,
216        alsa_major=0
217        )
218        AC_TRY_RUN([
219            #include <alsa/asoundlib.h>
220            void main(void) {
221                /* ensure backward compatibility */
222                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
223                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
224                #endif
225                exit(SND_LIB_MINOR);
226            }
227        ],
228        alsa_minor=0,
229        alsa_minor=$?,
230        alsa_minor=0
231        )
232        AC_TRY_RUN([
233            #include <alsa/asoundlib.h>
234            void main(void) {
235                /* ensure backward compatibility */
236                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
237                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
238                #endif
239                exit(SND_LIB_SUBMINOR);
240            }
241        ],
242        alsa_subminor=0,
243        alsa_subminor=$?,
244        alsa_subminor=0
245        )
246        AC_LANG_RESTORE
247        echo "$alsa_major.$alsa_minor.$alsa_subminor";
248        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
249        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
250        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
251    else
252        echo "ALSA support disabled by configure script parameter"
253  fi  fi
254  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
255  AC_DEFINE_UNQUOTED(HAVE_ALSA,$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.])
256    config_have_alsa="no"
257  echo -n "checking Alsa version... "  if test $have_alsa = "1"; then
258  AC_LANG_SAVE      config_have_alsa="yes"
259  AC_LANG_C  fi
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 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.])  
260    
261  # JACK  # JACK
262  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  AC_ARG_ENABLE(jack-driver,
263  AC_SUBST(JACK_LIBS)    [  --disable-jack-driver
264  AC_SUBST(JACK_CFLAGS)                            Disable support for the Jack Audio Connection Kit
265  if test $HAVE_JACK = false; then                            (JACK).],
266      HAVE_JACK=0;    [config_jack_driver="$enableval"],
267  else    [config_jack_driver="yes"]
268      HAVE_JACK=1  )
269      have_audio_output_driver="true";  have_jack=0
270      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.])], , $JACK_LIBS)  if test "$config_jack_driver" = "yes"; then
271        PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
272        if test $have_jack = "1"; then
273            AC_SUBST(JACK_LIBS)
274            AC_SUBST(JACK_CFLAGS)
275            linuxsampler_save_LIBS=$LIBS
276            LIBS="$JACK_LIBS $LIBS"
277            AC_CHECK_FUNCS(jack_client_name_size jack_client_open)
278            LIBS=$linuxsampler_save_LIBS
279            have_audio_output_driver="true";
280        fi
281    else
282        echo "JACK support disabled by configure script parameter"
283    fi
284    AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
285    AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
286    config_have_jack="no"
287    if test $have_jack = "1"; then
288        config_have_jack="yes"
289    fi
290    
291    # JACK MIDI
292    have_jack_midi=0
293    if test $have_jack = "1"; then
294        linuxsampler_save_CFLAGS=$CFLAGS
295        linuxsampler_save_LIBS=$LIBS
296        CFLAGS="$JACK_CFLAGS $CFLAGS"
297        LIBS="$JACK_LIBS $LIBS"
298        AC_CHECK_HEADER(jack/midiport.h, have_jack_midi=1, have_jack_midi=0)
299        if test $have_jack_midi = "1"; then
300            AC_CHECK_FUNCS(jack_midi_get_event_count)
301            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jack/midiport.h>]], [[
302                jack_midi_clear_buffer(0, 0);
303            ]])], [AC_DEFINE(JACK_MIDI_FUNCS_NEED_NFRAMES, 1,
304                      [Define to 1 if you have the old jack midi functions that need an nframes argument.])])
305            have_midi_input_driver="true"
306        fi
307        CFLAGS=$linuxsampler_save_CFLAGS
308        LIBS=$linuxsampler_save_LIBS
309    fi
310    AM_CONDITIONAL(HAVE_JACK_MIDI, test $have_jack_midi = "1")
311    AC_DEFINE_UNQUOTED(HAVE_JACK_MIDI, $have_jack_midi,
312                       [Define to 1 if you have JACK with MIDI support installed.])
313    config_have_jack_midi="no"
314    if test $have_jack_midi = "1"; then
315        config_have_jack_midi="yes"
316    fi
317    
318    # ARTS
319    AC_ARG_ENABLE(arts-driver,
320      [  --disable-arts-driver
321                              Disable support for the Analogue Realtime System
322                              (aRts).],
323      [config_arts_driver="$enableval"],
324      [config_arts_driver="yes"]
325    )
326    have_arts=0
327    if test "$config_arts_driver" = "yes"; then
328        m4_ifdef([m4_include(m4/arts.m4)],,
329                 [sinclude([m4/arts.m4])])
330        AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
331        if test "$have_arts" = "1"; then
332            have_audio_output_driver="true"
333        fi
334    else
335        echo "ARTS support disabled by configure script parameter"
336    fi
337    AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
338    AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
339    config_have_arts="no"
340    if test $have_arts = "1"; then
341        config_have_arts="yes"
342    fi
343    
344    # ASIO AUDIO (Win32)
345    AC_ARG_ENABLE(asiosdk-dir,
346      [  --enable-asiosdk-dir
347                              Directory where the ASIO SDK is located, this automatically
348                              enables the compilation of the ASIO audio output driver.],
349      [config_asiosdk_dir="${enableval}"],
350      [config_asiosdk_dir="."]
351    )
352    AC_SUBST(config_asiosdk_dir)
353    
354    AC_ARG_ENABLE(asio-driver,
355      [  --disable-asio-driver
356                              Disable support for the Windows ASIO driver.],
357      [config_asio_driver="$enableval"],
358      [config_asio_driver="yes"]
359    )
360    have_asio=0
361    ASIOSDK_BASEDIR=
362    if test "$config_asio_driver" = "yes"; then
363        asiosdk_headerfile=$config_asiosdk_dir/ASIOSDK2/common/asio.h
364        echo -n "checking for ASIO headerfile: $asiosdk_headerfile ...."
365        if test -e $asiosdk_headerfile ; then
366            echo yes
367            have_asio=1
368            ASIOSDK_BASEDIR="$config_asiosdk_dir"
369        else
370            echo no
371            have_asio=0
372        fi
373        if test "$have_asio" = "1"; then
374            have_audio_output_driver="true"
375        fi
376    else
377        echo "Windows ASIO support disabled by configure script parameter"
378    fi
379    AC_SUBST(ASIOSDK_BASEDIR)
380    AM_CONDITIONAL(HAVE_ASIO, test $have_asio = "1")
381    AC_DEFINE_UNQUOTED(HAVE_ASIO,$have_asio,[Define to 1 if you have ASIO installed.])
382    config_have_asio="no"
383    if test $have_asio = "1"; then
384        config_have_asio="yes"
385    fi
386    
387    # MidiShare (Linux, OS X, Windows)
388    AC_ARG_ENABLE(midishare-driver,
389      [  --disable-midishare-driver
390                              Disable support for the MidiShare system.],
391      [config_midishare_driver="$enableval"],
392      [config_midishare_driver="yes"]
393    )
394    have_midishare=0
395    if test "$config_midishare_driver" = "yes"; then
396        AC_CHECK_HEADER(MidiShare.h,
397            AC_CHECK_LIB(MidiShare, MidiCountEvs,
398                                    have_midishare=1,
399                                    have_midishare=0
400                        )
401                        ,
402                        have_midishare=0
403        )
404        if test "$have_midishare" = "1"; then
405            have_midi_input_driver="true"
406        fi
407    else
408        echo "MidiShare support disabled by configure script parameter"
409    fi
410    AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
411    AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
412    config_have_midishare="no"
413    if test $have_midishare = "1"; then
414        config_have_midishare="yes"
415    fi
416    
417    # CoreMIDI (OS X)
418    AC_ARG_ENABLE(coremidi-driver,
419      [  --disable-coremidi-driver
420                              Disable support for the Apple CoreMIDI system.],
421      [config_coremidi_driver="$enableval"],
422      [config_coremidi_driver="yes"]
423    )
424    have_coremidi=0
425    if test "$config_coremidi_driver" = "yes"; then
426        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
427            have_coremidi=1,
428            have_coremidi=0
429        )
430        if test "$have_coremidi" = "1"; then
431            have_midi_input_driver="true"
432        fi
433    else
434        echo "CoreMIDI support disabled by configure script parameter"
435    fi
436    AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
437    AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
438    config_have_coremidi="no"
439    if test $have_coremidi = "1"; then
440        config_have_coremidi="yes"
441  fi  fi
442  AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  
443  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  # CoreAudio (OS X)
444    AC_ARG_ENABLE(coreaudio-driver,
445      [  --disable-coreaudio-driver
446                              Disable support for the Apple CoreAudio system.],
447      [config_coreaudio_driver="$enableval"],
448      [config_coreaudio_driver="yes"]
449    )
450    have_coreaudio=0
451    if test "$config_coreaudio_driver" = "yes"; then
452        AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
453            have_coreaudio=1,
454            have_coreaudio=0
455        )
456        if test "$have_coreaudio" = "1"; then
457            have_audio_output_driver="true"
458        fi
459    else
460        echo "CoreAudio support disabled by configure script parameter"
461    fi
462    AM_CONDITIONAL(HAVE_COREAUDIO, test $have_coreaudio = "1")
463    AC_DEFINE_UNQUOTED(HAVE_COREAUDIO,$have_coreaudio,[Define to 1 if you have CoreAudio installed.])
464    config_have_coreaudio="no"
465    if test $have_coreaudio = "1"; then
466        config_have_coreaudio="yes"
467    fi
468    
469    # MME MIDI (Win32)
470    AC_ARG_ENABLE(mmemidi-driver,
471      [  --disable-mmemidi-driver
472                              Disable support for the Windows MME MIDI system.],
473      [config_mmemidi_driver="$enableval"],
474      [config_mmemidi_driver="yes"]
475    )
476    have_mmemidi=0
477    if test "$config_mmemidi_driver" = "yes"; then
478        AC_CHECK_HEADERS(mmsystem.h,
479            have_mmemidi=1,
480            have_mmemidi=0
481        )
482        if test "$have_mmemidi" = "1"; then
483            have_midi_input_driver="true"
484        fi
485    else
486        echo "MME MIDI support disabled by configure script parameter"
487    fi
488    AM_CONDITIONAL(HAVE_MME_MIDI, test $have_mmemidi = "1")
489    AC_DEFINE_UNQUOTED(HAVE_MME_MIDI,$have_mmemidi,[Define to 1 if you have MME MIDI installed.])
490    config_have_mme="no"
491    if test $have_mmemidi = "1"; then
492        config_have_mme="yes"
493    fi
494    
495    # DSSI
496    AC_CHECK_HEADERS(dssi.h,
497            config_have_dssi="yes",
498            config_have_dssi="no")
499    AM_CONDITIONAL(HAVE_DSSI, test $config_have_dssi = "yes")
500    
501    # LV2
502    PKG_CHECK_MODULES(LV2, lv2core, config_have_lv2="yes", config_have_lv2="no")
503    if test $config_have_lv2 = "no"; then
504        AC_CHECK_HEADER(lv2.h, config_have_lv2="yes", config_have_lv2="no")
505    fi
506    AM_CONDITIONAL(HAVE_LV2, test $config_have_lv2 = "yes")
507    
508    # VST
509    AC_ARG_ENABLE(vstsdk-dir,
510      [  --enable-vstsdk-dir
511                              Directory where the VST SDK is located.
512                              This automatically enables the compilation
513                              of the VST plugin.],
514      [VSTSDK_DIR="${enableval}"],
515      [VSTSDK_DIR=]
516    )
517    AC_SUBST(VSTSDK_DIR)
518    AM_CONDITIONAL(HAVE_VST, test "x$VSTSDK_DIR" != "x")
519    config_have_vst="no"
520    if test "x$VSTSDK_DIR" != "x"; then
521        config_have_vst="yes"
522    fi
523    
524    # AU
525    AC_CHECK_HEADERS(AudioUnit/AudioUnit.h,
526            config_have_au="yes",
527            config_have_au="no")
528    AM_CONDITIONAL(HAVE_AU, test $config_have_au = "yes")
529    AM_CONDITIONAL(HAVE_AUFLAGS, test "$AUFLAGS" != "")
530    
531    
532    # have we found at least one MIDI input and one audio output driver ?
533    if test "$have_midi_input_driver" = "false"; then
534        echo "No supported MIDI input system found!"
535        echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
536        echo "ALSA, JACK, MIDIShare, CoreMIDI, MME."
537        echo "If you think you have one of those available on your system, make sure you"
538        echo "also have the respective development (header) files installed."
539        exit -1;
540    fi
541    if test "$have_audio_output_driver" = "false"; then
542        echo "No supported audio output system found!"
543        echo "Sorry, LinuxSampler only supports ALSA, JACK, ARTS and ASIO as audio output"
544        echo "driver at the moment!"
545        exit -1;
546    fi
547    
548    
549    
550    ###########################################################################
551    # Checks for various DLL libraries
552    
553  # Check presence of libgig  # Check presence of libgig
554  libgig_version="2.0.0"  libgig_version="3.3.0"
555  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
556  if test "$HAVE_GIG" = "false"; then  if test "$HAVE_GIG" = "false"; then
557      echo "Required libgig version not found!"      echo "Required libgig version not found!"
558      echo "You need to have libgig version ${libgig_version} installed!"      echo "You need to have libgig version ${libgig_version} installed!"
559      exit -1;      exit -1;
560    else
561        echo "yes, found libgig $libgig_version"
562  fi  fi
563  AC_SUBST(GIG_CFLAGS)  AC_SUBST(GIG_CFLAGS)
564  AC_SUBST(GIG_LIBS)  AC_SUBST(GIG_LIBS)
565    
566  # SQLITE3  # Instruments DB feature (requires SQLite 3.3)
567  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  AC_ARG_ENABLE(instruments-db,
568  AC_SUBST(SQLITE3_LIBS)    [  --disable-instruments-db
569  AC_SUBST(SQLITE3_CFLAGS)                            Disable compilation of the sampler's instruments
570  if test $HAVE_SQLITE3 = false; then                            database feature. You need to have SQLite 3.3
571      HAVE_SQLITE3=0;                            or younger installed for this feature.],
572      [config_instruments_db="$enableval"],
573      [config_instruments_db="yes"]
574    )
575    HAVE_SQLITE3=0;
576    if test "$config_instruments_db" = "yes"; then
577        # Check presence of sqlite3
578        sqlite_version="3.3"
579        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
580        AC_SUBST(SQLITE3_LIBS)
581        AC_SUBST(SQLITE3_CFLAGS)
582        if test $HAVE_SQLITE3 = false; then
583            HAVE_SQLITE3=0
584            config_instruments_db="no"
585            echo "*** Required sqlite version not found!"
586            echo "*** You need to have sqlite version ${sqlite_version} or higher"
587            echo "*** for instruments database support to be enabled."
588            echo "*** Support for instruments DB will be disabled!"
589        else
590            HAVE_SQLITE3=1
591        fi
592  else  else
593      HAVE_SQLITE3=1      echo "Instruments DB feature disabled by configure script parameter"
594  fi  fi
595  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
596  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
597    
 if test "$have_midi_input_driver" = "false"; then  
     echo "No supported MIDI input system found!"  
     echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!"  
     exit -1;  
 fi  
 if test "$have_audio_output_driver" = "false"; then  
     echo "No supported audio output system found!"  
     echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"  
     exit -1;  
 fi  
598    
599    
600  ###########################################################################  ###########################################################################
# Line 190  fi Line 602  fi
602    
603  # TODO: should we use AC_ARG_VAR(variable, description) instead?  # TODO: should we use AC_ARG_VAR(variable, description) instead?
604    
605    AC_ARG_ENABLE(asm,
606      [  --disable-asm
607                              Enable hand-crafted assembly optimizations
608                              (default=on). LinuxSampler provides CPU specific
609                              assembly optimizations. This is currently limited
610                              to just enter a fast (denormal) FPU mode on x86
611                              platforms. There are currently no synthesis core
612                              assembly optimizations anymore since LS 0.4.0],
613      [config_asm="$enableval"],
614      [config_asm="yes"]
615    )
616    if test "$config_asm" = "yes"; then
617      AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable asm optimizations.])
618    fi
619    
620  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
621    [  --enable-dev-mode    [  --enable-dev-mode
622                            Enable development mode (default=no). In that mode                            Enable development mode (default=off). In that mode
623                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
624                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
625                            efficiency a bit],                            efficiency a bit],
626    [config_dev_mode="yes"],    [config_dev_mode="$enableval"],
627    [config_dev_mode="no"]    [config_dev_mode="no"]
628  )  )
629  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
# Line 224  AC_ARG_ENABLE(rt-exceptions, Line 651  AC_ARG_ENABLE(rt-exceptions,
651                            context as well. Otherwise if disabled                            context as well. Otherwise if disabled
652                            segmentation faults will be forced by the                            segmentation faults will be forced by the
653                            application on critical errors.],                            application on critical errors.],
654    [config_rt_exceptions="yes"],    [config_rt_exceptions="$enableval"],
655    [config_rt_exceptions="no"]    [config_rt_exceptions="no"]
656  )  )
657  if test "$config_rt_exceptions" = "yes"; then  if test "$config_rt_exceptions" = "yes"; then
658    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
659  fi  fi
660    
661    AC_ARG_ENABLE(pthread-testcancel,
662      [  --enable-pthread-testcancel
663                              Enable pthread_testcancel() calls and avoid asynchronous
664                              cancel of pthreads (default=no).],
665      [config_pthread_testcancel="$enableval"],
666      [config_pthread_testcancel="no"]
667    )
668    if test "$config_pthread_testcancel" = "yes"; then
669      AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
670    fi
671    
672  AC_ARG_ENABLE(preload-samples,  AC_ARG_ENABLE(preload-samples,
673    [  --enable-preload-samples    [  --enable-preload-samples
674                            Due to seeking and latency issues with hard drives                            Due to seeking and latency issues with hard drives
# Line 336  AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_ Line 774  AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_
774    
775  AC_ARG_ENABLE(max-streams,  AC_ARG_ENABLE(max-streams,
776    [  --enable-max-streams    [  --enable-max-streams
777                            Maximum amount of disk streams (default=90). This                            Initial maximum amount of disk streams
778                            value should always be higher than the maximum                            (default=90). This value can be changed at
779                            amount of voices.],                            runtime. It should always be higher than the
780                              maximum amount of voices.],
781    [config_max_streams="${enableval}"],    [config_max_streams="${enableval}"],
782    [config_max_streams="90"]    [config_max_streams="90"]
783  )  )
784  AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.])  AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_MAX_STREAMS, $config_max_streams, [Define initial max. streams.])
785    
786  AC_ARG_ENABLE(max-voices,  AC_ARG_ENABLE(max-voices,
787    [  --enable-max-voices    [  --enable-max-voices
788                            Maximum amount of voices (default=64). This value                            Initial maximum amount of voices (default=64).
789                            should always be lower than the maximum amount of                            This value can be changed at runtime. It should
790                            disk streams.],                            always be lower than the maximum amount of disk
791                              streams.],
792    [config_max_voices="${enableval}"],    [config_max_voices="${enableval}"],
793    [config_max_voices="64"]    [config_max_voices="64"]
794  )  )
795  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])  AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_MAX_VOICES, $config_max_voices, [Define initial max. voices.])
796    
797    AC_ARG_ENABLE(subfragment-size,
798      [  --enable-subfragment-size
799                              Every audio fragment will be splitted into
800                              subfragments. Where each subfragment renders
801                              audio with constant synthesis parameters. This is
802                              done for efficiency reasons. This parameter
803                              defines the default size of a subfragment in
804                              sample points. A large value means less CPU time
805                              whereas a low value means better audio quality
806                              (default=32).],
807      [config_subfragment_size="${enableval}"],
808      [config_subfragment_size="32"]
809    )
810    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
811    
812    AC_ARG_ENABLE(global-attenuation-default,
813      [  --enable-global-attenuation-default
814                              To prevent clipping all samples will be lowered
815                              in amplitude by this given default factor (can
816                              be overridden at runtime).
817                              (default=0.35)],
818      [config_global_attenuation_default="${enableval}"],
819      [config_global_attenuation_default="0.35"]
820    )
821    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
822    
823  AC_ARG_ENABLE(voice-steal-algo,  AC_ARG_ENABLE(voice-steal-algo,
824    [  --enable-voice-steal-algo    [  --enable-voice-steal-algo
# Line 372  AC_ARG_ENABLE(voice-steal-algo, Line 838  AC_ARG_ENABLE(voice-steal-algo,
838        AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo])        AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo])
839      else      else
840        config_voice_steal_algo="${enableval}"        config_voice_steal_algo="${enableval}"
841      fi        fi
842    ],    ],
843    [config_voice_steal_algo="oldestvoiceonkey"]    [config_voice_steal_algo="oldestvoiceonkey"]
844  )  )
# Line 387  AC_ARG_ENABLE(sysex-buffer-size, Line 853  AC_ARG_ENABLE(sysex-buffer-size,
853  )  )
854  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
855    
 AC_ARG_ENABLE(filter-update-steps,  
   [  --enable-filter-update-steps  
                           Amount of sample points after which filter  
                           parameters (cutoff, resonance) are going to be  
                           updated (default=64). Higher value means less CPU  
                           load, but also worse parameter resolution, this  
                           value will be aligned to a power of two.],  
   [config_filter_update_steps="${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.])  
   
856  AC_ARG_ENABLE(force-filter,  AC_ARG_ENABLE(force-filter,
857    [  --enable-force-filter    [  --enable-force-filter
858                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
859                            no usage was define in instrument patch files.                            no usage was define in instrument patch files.
860                            (default=no).],                            (default=no).],
861    [config_force_filter="yes"],    [config_force_filter="$enableval"],
862    [config_force_filter="no"]    [config_force_filter="no"]
863  )  )
864  if test "$config_force_filter" = "yes"; then  if test "$config_force_filter" = "yes"; then
# Line 479  AC_ARG_ENABLE(override-filter-type, Line 933  AC_ARG_ENABLE(override-filter-type,
933         config_override_filter_type="::gig::vcf_type_lowpassturbo"         config_override_filter_type="::gig::vcf_type_lowpassturbo"
934      elif test ! "${enableval}" = "no"; then      elif test ! "${enableval}" = "no"; then
935         AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type])         AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type])
936      fi        fi
937    ],    ],
938    [config_override_filter_type="no"]    [config_override_filter_type="no"]
939  )  )
# Line 494  AC_ARG_ENABLE(gs-checksum, Line 948  AC_ARG_ENABLE(gs-checksum,
948                            messages which do not provide a correct checksum                            messages which do not provide a correct checksum
949                            will be ignored. This is disabled by default as                            will be ignored. This is disabled by default as
950                            not all devices honor GS checksums.],                            not all devices honor GS checksums.],
951    [config_assert_gs_sysex_checksum="yes"],    [config_assert_gs_sysex_checksum="$enableval"],
952    [config_assert_gs_sysex_checksum="no"]    [config_assert_gs_sysex_checksum="no"]
953  )  )
954  if test "config_assert_gs_sysex_checksum" = "yes"; then  if test "config_assert_gs_sysex_checksum" = "yes"; then
955    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.])
956  fi  fi
957    
958    AC_ARG_ENABLE(portamento-time-min,
959      [  --enable-portamento-time-min
960                              Minimum Portamento time in seconds
961                              (default=0.1).],
962      [config_portamento_time_min="${enableval}"],
963      [config_portamento_time_min="0.1"]
964    )
965    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
966    
967    AC_ARG_ENABLE(portamento-time-max,
968      [  --enable-portamento-time-max
969                              Maximum Portamento time in seconds
970                              (default=32).],
971      [config_portamento_time_max="${enableval}"],
972      [config_portamento_time_max="32"]
973    )
974    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
975    
976    AC_ARG_ENABLE(portamento-time-default,
977      [  --enable-portamento-time-default
978                              Default Portamento time in seconds
979                              (default=1).],
980      [config_portamento_time_default="${enableval}"],
981      [config_portamento_time_default="1"]
982    )
983    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
984    
985    AC_ARG_ENABLE(signed-triang-algo,
986      [  --enable-signed-triang-algo
987                              Signed triangular wave algorithm to be used (e.g. for LFOs).
988                              Currently available options:
989                                intmath:
990                                  Uses integer math without any branch will then be
991                                  converted to floating point value for each sample point.
992                                  This int->float conversion might hurt on some systems.
993                                intmathabs:
994                                  Similar to intmath but uses abs() function.
995                                  Depending on compiler and platrofm this could
996                                  perform better than integer math as it avoids
997                                  an extra integer multiply instruction.
998                                diharmonic:
999                                  The triangular wave will be approximated by adding two
1000                                  sinusoidials. This solution might especially hurt on
1001                                  systems with weak floating point unit.
1002                                benchmark (default):
1003                                  This is not an algorithm. Use this option if the
1004                                  appropriate algorithm should be automatically
1005                                  chosen by the configure script by performing a
1006                                  benchmark between the algorithms mentioned above.
1007                                  This will NOT work for cross compilation!],
1008      [ if test ! "(" "${enableval}" = "intmath" \
1009                  -o "${enableval}" = "intmathabs" \
1010                  -o "${enableval}" = "diharmonic" ")" ; then
1011          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
1012        else
1013          config_signed_triang_algo="${enableval}"
1014        fi
1015      ],
1016      [config_signed_triang_algo="benchmark"]
1017    )
1018    
1019    AC_ARG_ENABLE(unsigned-triang-algo,
1020      [  --enable-unsigned-triang-algo
1021                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
1022                              Currently available options:
1023                                intmath:
1024                                  Uses integer math without any branch will then be
1025                                  converted to floating point value for each sample point.
1026                                  This int->float conversion might hurt on some systems.
1027                                intmathabs:
1028                                  Similar to intmath but uses abs() function.
1029                                  Depending on compiler and platrofm this could
1030                                  perform better than integer math as it avoids
1031                                  an extra integer multiply instruction.
1032                                diharmonic:
1033                                  The triangular wave will be approximated by adding two
1034                                  sinusoidials. This solution might especially hurt on
1035                                  systems with weak floating point unit.
1036                                benchmark (default):
1037                                  This is not an algorithm. Use this option if the
1038                                  appropriate algorithm should be automatically
1039                                  chosen by the configure script by performing a
1040                                  benchmark between the algorithms mentioned above.
1041                                  This will NOT work for cross compilation!],
1042      [ if test ! "(" "${enableval}" = "intmath" \
1043                  -o "${enableval}" = "intmathabs" \
1044                  -o "${enableval}" = "diharmonic" ")" ; then
1045          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
1046        else
1047          config_unsigned_triang_algo="${enableval}"
1048        fi
1049      ],
1050      [config_unsigned_triang_algo="benchmark"]
1051    )
1052    
1053    AC_ARG_ENABLE(process-muted-channels,
1054      [  --enable-process-muted-channels
1055                              Enable processing of muted channels (default=no).
1056                              In that mode all MIDI events in the muted channels
1057                              will be processed. This will provide information
1058                              about the active voices in the muted channels and
1059                              will not discard notes, triggered in mute mode,
1060                              when the channel is unmuted. But also will reduce
1061                              the efficiency.],
1062      [config_process_muted_channels="$enableval"],
1063      [config_process_muted_channels="no"]
1064    )
1065    if test "$config_process_muted_channels" = "yes"; then
1066      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
1067    fi
1068    
1069    AC_ARG_ENABLE(process-all-notes-off,
1070      [  --disable-process-all-notes-off
1071                              Disable interpretation of All-Notes-Off MIDI
1072                              messages (default=on). By default LS will release
1073                              all voices whenever it receives an All-Notes-Off
1074                              MIDI message. You can disable this behavior, so
1075                              that LS simply ignores such messages.],
1076      [config_process_all_notes_off="$enableval"],
1077      [config_process_all_notes_off="yes"]
1078    )
1079    if test "$config_process_all_notes_off" = "yes"; then
1080      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
1081    fi
1082    
1083    AC_ARG_ENABLE(interpolate-volume,
1084      [  --disable-interpolate-volume
1085                              Disable interpolation of volume modulation
1086                              (default=on). With this enabled, the volume changes
1087                              generated by for example the envelope generator
1088                              will be smoother, minimizing the risk for audio
1089                              clicks. Disable it to reduce CPU usage.],
1090      [config_interpolate_volume="$enableval"],
1091      [config_interpolate_volume="yes"]
1092    )
1093    if test "$config_interpolate_volume" = "yes"; then
1094      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
1095    fi
1096    
1097    AC_ARG_ENABLE(master-volume-sysex-by-port,
1098      [  --enable-master-volume-sysex-by-port
1099                              Whether global volume sysex message should be
1100                              applied globally to the whole sampler or only to
1101                              the sampler channels connected to the same MIDI
1102                              input port on which the sysex message arrived on.
1103                              By default global volume sysex messages apply
1104                              globally to the whole sampler, since many MIDI
1105                              devices behave that way.],
1106      [config_master_volume_sysex_by_port="$enableval"],
1107      [config_master_volume_sysex_by_port="no"]
1108    )
1109    if test "$config_master_volume_sysex_by_port" = "yes"; then
1110      AC_DEFINE_UNQUOTED(CONFIG_MASTER_VOLUME_SYSEX_BY_PORT, 1, [Define to 1 if you want global volume sysex message only be applied to the respective MIDI port.])
1111    fi
1112    
1113    AC_ARG_ENABLE(plugin-dir,
1114      [  --enable-plugin-dir
1115                              Directory where the sampler shall look for potential plugins,
1116                              that is 3rd party shared libraries that should be loaded by
1117                              the sampler on startup. By default the sampler will search
1118                              for plugins in the subdirectory "plugins" below its own
1119                              library directory.
1120                              (i.e. /usr/local/lib/linuxsampler/plugins)],
1121      [config_plugin_dir="${enableval}"],
1122      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
1123    )
1124    AC_SUBST(config_plugin_dir)
1125    
1126    AC_ARG_ENABLE(default-instruments-db-location,
1127      [  --enable-default-instruments-db-location
1128                              Only when instruments DB feature is enabled: file name
1129                              which shall be taken as default location of the
1130                              instruments DB file. This location can still be
1131                              overridden at runtime with a command line switch.
1132                              (default: /var/lib/linuxsampler/instruments.db)],
1133      [config_default_instruments_db_file="${enableval}"],
1134      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
1135    )
1136    AC_DEFINE_UNQUOTED(
1137        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
1138        "$config_default_instruments_db_file",
1139        [Only when instruments DB feature is enabled: default location of the DB file.]
1140    )
1141    AC_SUBST(config_default_instruments_db_file)
1142    
1143    
1144    ###########################################################################
1145    # Automatic Benchmarks (to detect the best algorithms for the system)
1146    
1147    AC_LANG_SAVE
1148    
1149    if test "$config_signed_triang_algo" = "benchmark"; then
1150        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
1151        AC_LANG_CPLUSPLUS
1152        AC_TRY_RUN([
1153                #define SIGNED 1
1154                #define SILENT 1
1155                #include "${srcdir}/benchmarks/triang.cpp"
1156            ],
1157            triang_signed=0,
1158            triang_signed=$?,
1159            triang_signed=0
1160        )
1161        if test "$triang_signed" = "2"; then
1162            config_signed_triang_algo="intmath"
1163            echo "integer math"
1164        elif test "$triang_signed" = "3"; then
1165            config_signed_triang_algo="diharmonic"
1166            echo "di harmonics"
1167        elif test "$triang_signed" = "5"; then
1168            config_signed_triang_algo="intmathabs"
1169            echo "integer math using abs()"
1170        else
1171            echo "Benchmark of signed triangular wave algorithms failed!"
1172            echo "Maybe you are doing cross compilation? In that case you have to select"
1173            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
1174            echo "Call './configure --help' for further information or read configure.in."
1175            exit -1;
1176        fi
1177    else
1178        case "$config_signed_triang_algo" in
1179            intmath)
1180                triang_signed=2 ;;
1181            diharmonic)
1182                triang_signed=3 ;;
1183            intmathabs)
1184                triang_signed=5 ;;
1185        esac
1186    fi
1187    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
1188    
1189    if test "$config_unsigned_triang_algo" = "benchmark"; then
1190        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
1191        AC_LANG_CPLUSPLUS
1192        AC_TRY_RUN([
1193                #define SIGNED 0
1194                #define SILENT 1
1195                #include "${srcdir}/benchmarks/triang.cpp"
1196            ],
1197            triang_unsigned=0,
1198            triang_unsigned=$?,
1199            triang_unsigned=0
1200        )
1201        if test "$triang_unsigned" = "2"; then
1202            config_unsigned_triang_algo="intmath"
1203            echo "integer math"
1204        elif test "$triang_unsigned" = "3"; then
1205            config_unsigned_triang_algo="diharmonic"
1206            echo "di harmonics"
1207        elif test "$triang_unsigned" = "5"; then
1208            config_unsigned_triang_algo="intmathabs"
1209            echo "integer math using abs()"
1210        else
1211            echo "Benchmark of unsigned triangular wave algorithms failed!"
1212            echo "Maybe you are doing cross compilation? In that case you have to select"
1213            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
1214            echo "Call './configure --help' for further information or read configure.in."
1215            exit -1;
1216        fi
1217    else
1218        case "$config_unsigned_triang_algo" in
1219            intmath)
1220                triang_unsigned=2 ;;
1221            diharmonic)
1222                triang_unsigned=3 ;;
1223            intmathabs)
1224                triang_unsigned=5 ;;
1225        esac
1226    fi
1227    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
1228    
1229    AC_LANG_RESTORE
1230    
1231    
1232  ###########################################################################  ###########################################################################
1233  # Create Build Files  # Create Build Files
1234    
1235  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
1236  AM_INIT_AUTOMAKE(linuxsampler, 0.3.1)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
1237    
1238  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
 AC_PROG_CXX  
1239    
1240  # 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
1241  # this, the dlfcn.h check in am_prog_libtool may fail.  # this, the dlfcn.h check in am_prog_libtool may fail.
1242  AC_CHECK_HEADER(stdlib.h)  AC_CHECK_HEADER(stdlib.h)
1243    
1244  AM_PROG_LIBTOOL  AC_OUTPUT( \
1245        Makefile \
1246  AC_OUTPUT(Makefile 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 \
1247        man/linuxsampler.1 \
1248        src/Makefile \
1249        src/db/Makefile \
1250        src/network/Makefile \
1251        src/engines/Makefile \
1252        src/engines/gig/Makefile \
1253        src/engines/common/Makefile \
1254        src/effects/Makefile \
1255        src/common/Makefile \
1256        src/testcases/Makefile \
1257        src/drivers/Makefile \
1258        src/drivers/audio/Makefile \
1259        src/drivers/midi/Makefile \
1260        src/plugins/Makefile \
1261        src/hostplugins/Makefile \
1262        src/hostplugins/dssi/Makefile \
1263        src/hostplugins/lv2/Makefile \
1264        src/hostplugins/vst/Makefile \
1265        src/hostplugins/au/Makefile \
1266        linuxsampler.spec \
1267        debian/Makefile \
1268        Artwork/Makefile \
1269        scripts/Makefile \
1270        osx/Makefile \
1271        osx/linuxsampler.xcodeproj/Makefile \
1272        Documentation/Makefile \
1273        Documentation/Engines/Makefile \
1274        Documentation/Engines/gig/Makefile \
1275        linuxsampler.pc \
1276        Doxyfile \
1277    )
1278    
1279    # resolve all nested variables in '${config_plugin_dir}'
1280    # (merely for providing a human readable summary below)
1281    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1282            config_plugin_dir=`eval echo ${config_plugin_dir}`
1283    done
1284    
1285    
1286  ###########################################################################  ###########################################################################
# Line 527  echo "" Line 1290  echo ""
1290  echo "#####################################################################"  echo "#####################################################################"
1291  echo "# LinuxSampler Configuration                                        #"  echo "# LinuxSampler Configuration                                        #"
1292  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1293    echo "# Release Version: ${LINUXSAMPLER_RELEASE_MAJOR}.${LINUXSAMPLER_RELEASE_MINOR}.${LINUXSAMPLER_RELEASE_BUILD}"
1294    echo "# LSCP Version: ${LSCP_RELEASE_MAJOR}.${LSCP_RELEASE_MINOR}"
1295    echo "#-------------------------------------------------------------------"
1296    echo "# Assembly Optimizations: ${config_asm}"
1297  echo "# Development Mode: ${config_dev_mode}"  echo "# Development Mode: ${config_dev_mode}"
1298  echo "# Debug Level: ${config_debug_level}"  echo "# Debug Level: ${config_debug_level}"
1299  echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"  echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"
# Line 539  echo "# Streams to be refilled per Disk Line 1306  echo "# Streams to be refilled per Disk
1306  echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"  echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"
1307  echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"  echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"
1308  echo "# Stream Size: ${config_stream_size}"  echo "# Stream Size: ${config_stream_size}"
1309  echo "# Maximum Disk Streams: ${config_max_streams}"  echo "# Default Maximum Disk Streams: ${config_max_streams}"
1310  echo "# Maximum Voices: ${config_max_voices}"  echo "# Default Maximum Voices: ${config_max_voices}"
1311    echo "# Default Subfragment Size: ${config_subfragment_size}"
1312    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
1313  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
1314    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
1315    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
1316  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
1317  echo "# Filter Update Steps: ${config_filter_update_steps}"  echo "# Min. Portamento Time: ${config_portamento_time_min} s"
1318    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
1319    echo "# Default Portamento Time: ${config_portamento_time_default} s"
1320  echo "# Force Filter Usage: ${config_force_filter}"  echo "# Force Filter Usage: ${config_force_filter}"
1321  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
1322  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
# Line 551  echo "# Override Filter Cutoff Controlle Line 1324  echo "# Override Filter Cutoff Controlle
1324  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
1325  echo "# Override Filter Type: ${config_override_filter_type}"  echo "# Override Filter Type: ${config_override_filter_type}"
1326  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
1327    echo "# Process Muted Channels: ${config_process_muted_channels}"
1328    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1329    echo "# Apply global volume SysEx by MIDI port: ${config_master_volume_sysex_by_port}"
1330    echo "# Interpolate Volume: ${config_interpolate_volume}"
1331    echo "# Instruments database support: ${config_instruments_db}"
1332    if test "$config_instruments_db" = "yes"; then
1333    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1334    fi
1335    echo "# Plugin Path: ${config_plugin_dir}"
1336    echo "#-------------------------------------------------------------------"
1337    echo "# MIDI Input Drivers:"
1338    echo "# ALSA: ${config_have_alsa}, JACK: ${config_have_jack_midi}, CoreMIDI: ${config_have_coremidi}, MME: ${config_have_mme}, MidiShare: ${config_have_midishare}"
1339    echo "#-------------------------------------------------------------------"
1340    echo "# Audio Output Drivers:"
1341    echo "# ALSA: ${config_have_alsa}, JACK: ${config_have_jack}, ARTS: ${config_have_arts}, CoreAudio: ${config_have_coreaudio}, ASIO: ${config_have_asio}"
1342    echo "#-------------------------------------------------------------------"
1343    echo "# Building sampler as plugin for following host standards:"
1344    echo "# DSSI: ${config_have_dssi}, LV2: ${config_have_lv2}, VST: ${config_have_vst}, AU: ${config_have_au}"
1345  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1346  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
1347  echo "#####################################################################"  echo "#####################################################################"

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