/[svn]/linuxsampler/trunk/configure.ac
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revision 677 by schoenebeck, Thu Jun 23 22:44:59 2005 UTC revision 2304 by schoenebeck, Wed Jan 18 01:32:26 2012 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.svn16
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=5
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    mac=no
82    linux=no
83    case "$host" in
84        *-*-darwin*)
85            mac=yes
86            ;;
87        *-*-linux*)
88            linux=yes
89            ;;
90    esac
91    AM_CONDITIONAL(LINUX, test "$linux" = yes)
92    AM_CONDITIONAL(MAC, test "$mac" = yes)
93    
94    # check if we're on MS Windows
95    AC_CHECK_HEADERS(
96        mmsystem.h,
97        have_windows=1,
98        have_windows=0,
99        [#include <windef.h>]
100    )
101    AM_CONDITIONAL(HAVE_WINDOWS, test $have_windows = "1")
102    
103  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
104  AC_LANG_SAVE  AC_LANG_SAVE
105  AC_LANG_C  AC_LANG_C
# Line 54  have_unix98="no" Line 122  have_unix98="no"
122  )  )
123  AC_LANG_RESTORE  AC_LANG_RESTORE
124  AC_MSG_RESULT([$have_unix98])  AC_MSG_RESULT([$have_unix98])
125  if test "$have_unix98" = "no"; then  if test "$have_unix98" = "no" -a "have_windows" = "0"; then
126      if test "x$HAVE_UNIX98" = "x"; then      if test "x$HAVE_UNIX98" = "x"; then
127          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"          echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
128          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run          echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
# Line 64  if test "$have_unix98" = "no"; then Line 132  if test "$have_unix98" = "no"; then
132      fi      fi
133  fi  fi
134    
135    # check for <features.h>
136    AC_CHECK_HEADERS(features.h)
137    
138    # test for POSIX thread library
139    m4_ifdef([m4_include(m4/pthread.m4)],,
140                 [sinclude([m4/pthread.m4])])
141    ACX_PTHREAD
142    LIBS="$PTHREAD_LIBS $LIBS"
143    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
144    CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
145    CC="$PTHREAD_CC"
146    
147    # check for a bug in NPTL-enabled glibc
148    # (see Gentoo bug report #194076)
149    AC_ARG_ENABLE(nptl-bug-check,
150      [  --disable-nptl-bug-check
151                              Disable check for a bug in certain NPTL-enabled
152                              glibc versions that caused crashs.],
153      [config_check_nptl_bug="$enableval"],
154      [config_check_nptl_bug="yes"]
155    )
156    if test "$config_check_nptl_bug" = "yes"; then
157        m4_ifdef([m4_include(m4/nptl_bug.m4)],,
158                 [sinclude([m4/nptl_bug.m4])])
159        ACX_NPTL_GLIBC_BUG([
160            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
161            echo "You seem to have a buggy PTHREAD library! LinuxSampler would"
162            echo "probably crash due to this. Please report us the system you are"
163            echo "using and/or file a bug report to the bug tracking system of"
164            echo "your distribution."
165            echo "If you have a NPTL-enabled glibc AND it was compiled for TLS as"
166            echo "well, you can try to circumvent this problem for now by setting"
167            echo "the environment variable LD_ASSUME_KERNEL=\"2.4.1\" , which"
168            echo "should cause this test to pass."
169            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
170            AC_MSG_ERROR([possibly NPTL glibc bug detected])
171        ])
172    else
173        echo "NPTL glibc bug check disabled"
174    fi
175    
176    # FIXME: this is actually a dependency of libgig, not of LS directly, why
177    # isn't it hidden by libgig?
178    AC_CHECK_HEADERS(uuid/uuid.h)
179    AC_SEARCH_LIBS(uuid_generate, uuid)
180    
181    
182    
183    ###########################################################################
184  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
185  # (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)
186    
187  have_midi_input_driver="false"  have_midi_input_driver="false"
188  have_audio_output_driver="false"  have_audio_output_driver="false"
189    
190  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
191      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
192                               have_alsa=1    [  --disable-alsa-driver
193                               ,                            Disable support for the Advanced Linux Sound
194                               have_alsa=0                            Architecture (ALSA).],
195                  )    [config_alsa_driver="$enableval"],
196                  ,    [config_alsa_driver="yes"]
197                  have_alsa=0  )
198  )  have_alsa=0
199  if test "$have_alsa" = "1"; then  if test "$config_alsa_driver" = "yes"; then
200      have_midi_input_driver="true"      AC_CHECK_HEADER(alsa/asoundlib.h,
201      have_audio_output_driver="true";          AC_CHECK_LIB(asound, main,
202                                     have_alsa=1
203                                     ,
204                                     have_alsa=0
205                        )
206                        ,
207                        have_alsa=0
208        )
209        if test "$have_alsa" = "1"; then
210            have_midi_input_driver="true"
211            have_audio_output_driver="true";
212        fi
213    
214        echo -n "checking Alsa version... "
215        AC_LANG_SAVE
216        AC_LANG_C
217        AC_TRY_RUN([
218            #include <alsa/asoundlib.h>
219            void main(void) {
220                /* ensure backward compatibility */
221                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
222                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
223                #endif
224                exit(SND_LIB_MAJOR);
225            }
226        ],
227        alsa_major=0,
228        alsa_major=$?,
229        alsa_major=0
230        )
231        AC_TRY_RUN([
232            #include <alsa/asoundlib.h>
233            void main(void) {
234                /* ensure backward compatibility */
235                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
236                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
237                #endif
238                exit(SND_LIB_MINOR);
239            }
240        ],
241        alsa_minor=0,
242        alsa_minor=$?,
243        alsa_minor=0
244        )
245        AC_TRY_RUN([
246            #include <alsa/asoundlib.h>
247            void main(void) {
248                /* ensure backward compatibility */
249                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
250                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
251                #endif
252                exit(SND_LIB_SUBMINOR);
253            }
254        ],
255        alsa_subminor=0,
256        alsa_subminor=$?,
257        alsa_subminor=0
258        )
259        AC_LANG_RESTORE
260        echo "$alsa_major.$alsa_minor.$alsa_subminor";
261        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
262        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
263        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
264    else
265        echo "ALSA support disabled by configure script parameter"
266  fi  fi
267  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
268  AC_DEFINE_UNQUOTED(HAVE_ALSA,$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.])
269    config_have_alsa="no"
270  echo -n "checking Alsa version... "  if test $have_alsa = "1"; then
271  AC_LANG_SAVE      config_have_alsa="yes"
272  AC_LANG_C  fi
 AC_TRY_RUN([  
 #include <alsa/asoundlib.h>  
 void main(void) {  
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 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.])  
273    
274  # JACK  # JACK
275  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  AC_ARG_ENABLE(jack-driver,
276  AC_SUBST(JACK_LIBS)    [  --disable-jack-driver
277  AC_SUBST(JACK_CFLAGS)                            Disable support for the Jack Audio Connection Kit
278  if test $HAVE_JACK = false; then                            (JACK).],
279      HAVE_JACK=0;    [config_jack_driver="$enableval"],
280  else    [config_jack_driver="yes"]
281      HAVE_JACK=1  )
282      have_audio_output_driver="true";  have_jack=0
283      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
284        PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
285        if test $have_jack = "1"; then
286            AC_SUBST(JACK_LIBS)
287            AC_SUBST(JACK_CFLAGS)
288            linuxsampler_save_LIBS=$LIBS
289            LIBS="$JACK_LIBS $LIBS"
290            AC_CHECK_FUNCS(jack_client_name_size jack_client_open)
291            LIBS=$linuxsampler_save_LIBS
292            have_audio_output_driver="true";
293        fi
294    else
295        echo "JACK support disabled by configure script parameter"
296    fi
297    AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
298    AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
299    config_have_jack="no"
300    if test $have_jack = "1"; then
301        config_have_jack="yes"
302    fi
303    
304    # JACK MIDI
305    have_jack_midi=0
306    if test $have_jack = "1"; then
307        linuxsampler_save_CFLAGS=$CFLAGS
308        linuxsampler_save_LIBS=$LIBS
309        CFLAGS="$JACK_CFLAGS $CFLAGS"
310        LIBS="$JACK_LIBS $LIBS"
311        AC_CHECK_HEADER(jack/midiport.h, have_jack_midi=1, have_jack_midi=0)
312        if test $have_jack_midi = "1"; then
313            AC_CHECK_FUNCS(jack_midi_get_event_count)
314            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jack/midiport.h>]], [[
315                jack_midi_clear_buffer(0, 0);
316            ]])], [AC_DEFINE(JACK_MIDI_FUNCS_NEED_NFRAMES, 1,
317                      [Define to 1 if you have the old jack midi functions that need an nframes argument.])])
318            have_midi_input_driver="true"
319        fi
320        CFLAGS=$linuxsampler_save_CFLAGS
321        LIBS=$linuxsampler_save_LIBS
322    fi
323    AM_CONDITIONAL(HAVE_JACK_MIDI, test $have_jack_midi = "1")
324    AC_DEFINE_UNQUOTED(HAVE_JACK_MIDI, $have_jack_midi,
325                       [Define to 1 if you have JACK with MIDI support installed.])
326    config_have_jack_midi="no"
327    if test $have_jack_midi = "1"; then
328        config_have_jack_midi="yes"
329    fi
330    
331    # ARTS
332    AC_ARG_ENABLE(arts-driver,
333      [  --disable-arts-driver
334                              Disable support for the Analogue Realtime System
335                              (aRts).],
336      [config_arts_driver="$enableval"],
337      [config_arts_driver="yes"]
338    )
339    have_arts=0
340    if test "$config_arts_driver" = "yes"; then
341        m4_ifdef([m4_include(m4/arts.m4)],,
342                 [sinclude([m4/arts.m4])])
343        AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
344        if test "$have_arts" = "1"; then
345            have_audio_output_driver="true"
346        fi
347    else
348        echo "ARTS support disabled by configure script parameter"
349    fi
350    AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
351    AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
352    config_have_arts="no"
353    if test $have_arts = "1"; then
354        config_have_arts="yes"
355    fi
356    
357    # ASIO AUDIO (Win32)
358    AC_ARG_ENABLE(asiosdk-dir,
359      [  --enable-asiosdk-dir
360                              Directory where the ASIO SDK is located, this automatically
361                              enables the compilation of the ASIO audio output driver.],
362      [config_asiosdk_dir="${enableval}"],
363      [config_asiosdk_dir="."]
364    )
365    AC_SUBST(config_asiosdk_dir)
366    
367    AC_ARG_ENABLE(asio-driver,
368      [  --disable-asio-driver
369                              Disable support for the Windows ASIO driver.],
370      [config_asio_driver="$enableval"],
371      [config_asio_driver="yes"]
372    )
373    have_asio=0
374    ASIOSDK_BASEDIR=
375    if test "$config_asio_driver" = "yes"; then
376        asiosdk_headerfile=$config_asiosdk_dir/ASIOSDK2/common/asio.h
377        echo -n "checking for ASIO headerfile: $asiosdk_headerfile ...."
378        if test -e $asiosdk_headerfile ; then
379            echo yes
380            have_asio=1
381            ASIOSDK_BASEDIR="$config_asiosdk_dir"
382        else
383            echo no
384            have_asio=0
385        fi
386        if test "$have_asio" = "1"; then
387            have_audio_output_driver="true"
388        fi
389    else
390        echo "Windows ASIO support disabled by configure script parameter"
391    fi
392    AC_SUBST(ASIOSDK_BASEDIR)
393    AM_CONDITIONAL(HAVE_ASIO, test $have_asio = "1")
394    AC_DEFINE_UNQUOTED(HAVE_ASIO,$have_asio,[Define to 1 if you have ASIO installed.])
395    config_have_asio="no"
396    if test $have_asio = "1"; then
397        config_have_asio="yes"
398  fi  fi
 AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  
 AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  
399    
400  # MidiShare (Linux, OS X, Windows)  # MidiShare (Linux, OS X, Windows)
401  AC_CHECK_HEADER(MidiShare.h,  AC_ARG_ENABLE(midishare-driver,
402      AC_CHECK_LIB(MidiShare, MidiCountEvs,    [  --disable-midishare-driver
403                              have_midishare=1,                            Disable support for the MidiShare system.],
404                              have_midishare=0    [config_midishare_driver="$enableval"],
405                  )    [config_midishare_driver="yes"]
406                  ,  )
407                  have_midishare=0  have_midishare=0
408  )  if test "$config_midishare_driver" = "yes"; then
409  if test "$have_midishare" = "1"; then      AC_CHECK_HEADER(MidiShare.h,
410      have_midi_input_driver="true"          AC_CHECK_LIB(MidiShare, MidiCountEvs,
411                                    have_midishare=1,
412                                    have_midishare=0
413                        )
414                        ,
415                        have_midishare=0
416        )
417        if test "$have_midishare" = "1"; then
418            have_midi_input_driver="true"
419        fi
420    else
421        echo "MidiShare support disabled by configure script parameter"
422  fi  fi
423  AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")  AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
424  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])  AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
425    config_have_midishare="no"
426    if test $have_midishare = "1"; then
427        config_have_midishare="yes"
428    fi
429    
430  # CoreMIDI (OS X)  # CoreMIDI (OS X)
431  AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,  AC_ARG_ENABLE(coremidi-driver,
432                  have_coremidi=1,    [  --disable-coremidi-driver
433                  have_coremidi=0                            Disable support for the Apple CoreMIDI system.],
434  )    [config_coremidi_driver="$enableval"],
435  if test "$have_coremidi" = "1"; then    [config_coremidi_driver="yes"]
436      have_midi_input_driver="true"  )
437    have_coremidi=0
438    if test "$config_coremidi_driver" = "yes"; then
439        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
440            have_coremidi=1,
441            have_coremidi=0
442        )
443        if test "$have_coremidi" = "1"; then
444            have_midi_input_driver="true"
445        fi
446    else
447        echo "CoreMIDI support disabled by configure script parameter"
448  fi  fi
449  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")  AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
450  AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$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.])
451    config_have_coremidi="no"
452    if test $have_coremidi = "1"; then
453        config_have_coremidi="yes"
454    fi
455    
456  # Check presence of libgig  # CoreAudio (OS X)
457  libgig_version="2.0.1"  AC_ARG_ENABLE(coreaudio-driver,
458  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)    [  --disable-coreaudio-driver
459  if test "$HAVE_GIG" = "false"; then                            Disable support for the Apple CoreAudio system.],
460      echo "Required libgig version not found!"    [config_coreaudio_driver="$enableval"],
461      echo "You need to have libgig version ${libgig_version} installed!"    [config_coreaudio_driver="yes"]
462      exit -1;  )
463    have_coreaudio=0
464    if test "$config_coreaudio_driver" = "yes"; then
465        AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
466            have_coreaudio=1,
467            have_coreaudio=0
468        )
469        if test "$have_coreaudio" = "1"; then
470            have_audio_output_driver="true"
471        fi
472    else
473        echo "CoreAudio support disabled by configure script parameter"
474    fi
475    AM_CONDITIONAL(HAVE_COREAUDIO, test $have_coreaudio = "1")
476    AC_DEFINE_UNQUOTED(HAVE_COREAUDIO,$have_coreaudio,[Define to 1 if you have CoreAudio installed.])
477    config_have_coreaudio="no"
478    if test $have_coreaudio = "1"; then
479        config_have_coreaudio="yes"
480  fi  fi
 AC_SUBST(GIG_CFLAGS)  
 AC_SUBST(GIG_LIBS)  
481    
482  # SQLITE3  # MME MIDI (Win32)
483  PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)  AC_ARG_ENABLE(mmemidi-driver,
484  AC_SUBST(SQLITE3_LIBS)    [  --disable-mmemidi-driver
485  AC_SUBST(SQLITE3_CFLAGS)                            Disable support for the Windows MME MIDI system.],
486  if test $HAVE_SQLITE3 = false; then    [config_mmemidi_driver="$enableval"],
487      HAVE_SQLITE3=0;    [config_mmemidi_driver="yes"]
488    )
489    have_mmemidi=0
490    if test "$config_mmemidi_driver" = "yes"; then
491        AC_CHECK_HEADERS(mmsystem.h,
492            have_mmemidi=1,
493            have_mmemidi=0
494        )
495        if test "$have_mmemidi" = "1"; then
496            have_midi_input_driver="true"
497        fi
498  else  else
499      HAVE_SQLITE3=1      echo "MME MIDI support disabled by configure script parameter"
500    fi
501    AM_CONDITIONAL(HAVE_MME_MIDI, test $have_mmemidi = "1")
502    AC_DEFINE_UNQUOTED(HAVE_MME_MIDI,$have_mmemidi,[Define to 1 if you have MME MIDI installed.])
503    config_have_mme="no"
504    if test $have_mmemidi = "1"; then
505        config_have_mme="yes"
506    fi
507    
508    # DSSI
509    AC_CHECK_HEADERS(dssi.h,
510            config_have_dssi="yes",
511            config_have_dssi="no")
512    AM_CONDITIONAL(HAVE_DSSI, test $config_have_dssi = "yes")
513    
514    # LV2
515    PKG_CHECK_MODULES(LV2, lv2core, config_have_lv2="yes", config_have_lv2="no")
516    if test $config_have_lv2 = "no"; then
517        AC_CHECK_HEADER(lv2.h, config_have_lv2="yes", config_have_lv2="no")
518    fi
519    AM_CONDITIONAL(HAVE_LV2, test $config_have_lv2 = "yes")
520    
521    # VST
522    AC_ARG_ENABLE(vstsdk-dir,
523      [  --enable-vstsdk-dir
524                              Directory where the VST SDK is located.
525                              This automatically enables the compilation
526                              of the VST plugin.],
527      [VSTSDK_DIR="${enableval}"],
528      [VSTSDK_DIR=]
529    )
530    AC_SUBST(VSTSDK_DIR)
531    AM_CONDITIONAL(HAVE_VST, test "x$VSTSDK_DIR" != "x")
532    config_have_vst="no"
533    if test "x$VSTSDK_DIR" != "x"; then
534        config_have_vst="yes"
535    fi
536    
537    # AU
538    AC_CHECK_HEADERS(AudioUnit/AudioUnit.h,
539            config_have_au="yes",
540            config_have_au="no")
541    AM_CONDITIONAL(HAVE_AU, test $config_have_au = "yes")
542    AM_CONDITIONAL(HAVE_AUFLAGS, test "$AUFLAGS" != "")
543    
544    if test $config_have_au = "yes" ; then
545        if test "x$DEVELOPER_EXTRAS_DIR" = "x" ; then
546            if test -d /Developer/Extras ; then
547                DEVELOPER_EXTRAS_DIR=/Developer/Extras
548            else      
549                DEVELOPER_EXTRAS_DIR=/Developer/Examples
550            fi
551        fi
552        AC_SUBST(DEVELOPER_EXTRAS_DIR)
553  fi  fi
 AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)  
 AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])  
554    
555    if test "x$MAC_PLUGIN_INSTALL_DIR" = "x" ; then
556        MAC_PLUGIN_INSTALL_DIR=/Library/Audio/Plug-Ins
557    fi
558    AC_SUBST(MAC_PLUGIN_INSTALL_DIR)
559    
560    # have we found at least one MIDI input and one audio output driver ?
561  if test "$have_midi_input_driver" = "false"; then  if test "$have_midi_input_driver" = "false"; then
562      echo "No supported MIDI input system found!"      echo "No supported MIDI input system found!"
563      echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"      echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
564      echo "ALSA, MIDIShare, CoreMIDI."      echo "ALSA, JACK, MIDIShare, CoreMIDI, MME."
565      echo "If you think you have one of those available on your system, make sure you"      echo "If you think you have one of those available on your system, make sure you"
566      echo "also have the respective development (header) files installed."      echo "also have the respective development (header) files installed."
567      exit -1;      exit -1;
568  fi  fi
569  if test "$have_audio_output_driver" = "false"; then  if test "$have_audio_output_driver" = "false"; then
570      echo "No supported audio output system found!"      echo "No supported audio output system found!"
571      echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"      echo "Sorry, LinuxSampler only supports ALSA, JACK, ARTS and ASIO as audio output"
572        echo "driver at the moment!"
573      exit -1;      exit -1;
574  fi  fi
575    
576    
577    
578    ###########################################################################
579    # Checks for various DLL libraries
580    
581    # Check presence of libgig
582    libgig_version="3.3.0"
583    PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
584    if test "$HAVE_GIG" = "false"; then
585        echo "Required libgig version not found!"
586        echo "You need to have libgig version ${libgig_version} installed!"
587        exit -1;
588    else
589        echo "yes, found libgig $libgig_version"
590    fi
591    AC_SUBST(GIG_CFLAGS)
592    AC_SUBST(GIG_LIBS)
593    
594    # SF2 Engine (requires libgig)
595    AC_ARG_ENABLE(sf2-engine,
596      [  --disable-sf2-engine
597                              Disable compilation of the SF2 engine.
598                              You need to have libgig installed.],
599      [config_sf2_engine="$enableval"],
600      [config_sf2_engine="yes"]
601    )
602    HAVE_SF2=0;
603    if test "$config_sf2_engine" = "yes"; then
604        HAVE_SF2=1
605    else
606        echo "SF2 engine disabled by configure script parameter"
607    fi
608    AM_CONDITIONAL(HAVE_SF2, test $HAVE_SF2 = 1)
609    AC_DEFINE_UNQUOTED(HAVE_SF2,$HAVE_SF2,[Define to 1 if you want SF2 engine and have libsf2 installed.])
610    config_have_sf2="no"
611    if test $HAVE_SF2 = "1"; then
612        config_have_sf2="yes"
613    fi
614    
615    # Check presence of libsndfile
616    libsndfile_version="1.0"
617    PKG_CHECK_MODULES(SNDFILE, sndfile >= $libsndfile_version, HAVE_SNDFILE=true, HAVE_SNDFILE=false)
618    if test "$HAVE_SNDFILE" = "false"; then
619        echo "Required libsndfile version not found!"
620        echo "You need to have libsndfile version ${libsndfile_version} installed!"
621        exit -1;
622    else
623        echo "yes, found libsndfile $libsndfile_version"
624    fi
625    AC_SUBST(SNDFILE_CFLAGS)
626    AC_SUBST(SNDFILE_LIBS)
627    
628    # Check for Vorbis support in libsndfile
629    linuxsampler_save_CFLAGS=$CFLAGS
630    CFLAGS="$SNDFILE_CFLAGS $CFLAGS"
631    AC_CHECK_DECLS([SF_FORMAT_VORBIS], [], [] ,[[#include <sndfile.h>]])
632    
633    # Check for loop functionality in libsndfile
634    AC_CHECK_MEMBERS([SF_INSTRUMENT.loops],,
635                     [AC_MSG_WARN([Your version of libsndfile does not support
636        reading of loop information. LinuxSampler will not be able to
637        extract loop information from sample files.])],
638                     [#include <sndfile.h>])
639    CFLAGS=$linuxsampler_save_CFLAGS
640    
641    # Instruments DB feature (requires SQLite 3.3)
642    AC_ARG_ENABLE(instruments-db,
643      [  --disable-instruments-db
644                              Disable compilation of the sampler's instruments
645                              database feature. You need to have SQLite 3.3
646                              or younger installed for this feature.],
647      [config_instruments_db="$enableval"],
648      [config_instruments_db="yes"]
649    )
650    HAVE_SQLITE3=0;
651    if test "$config_instruments_db" = "yes"; then
652        # Check presence of sqlite3
653        sqlite_version="3.3"
654        PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
655        AC_SUBST(SQLITE3_LIBS)
656        AC_SUBST(SQLITE3_CFLAGS)
657        if test $HAVE_SQLITE3 = false; then
658            HAVE_SQLITE3=0
659            config_instruments_db="no"
660            echo "*** Required sqlite version not found!"
661            echo "*** You need to have sqlite version ${sqlite_version} or higher"
662            echo "*** for instruments database support to be enabled."
663            echo "*** Support for instruments DB will be disabled!"
664        else
665            HAVE_SQLITE3=1
666        fi
667    else
668        echo "Instruments DB feature disabled by configure script parameter"
669    fi
670    AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
671    AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you want the instruments DB feature and have SQLITE3 installed.])
672    
673    
674    
675  ###########################################################################  ###########################################################################
676  # Handle Configuration Options  # Handle Configuration Options
677    
# Line 221  fi Line 679  fi
679    
680  AC_ARG_ENABLE(asm,  AC_ARG_ENABLE(asm,
681    [  --disable-asm    [  --disable-asm
682                            Disable hand-crafted assembly optimizations                            Enable hand-crafted assembly optimizations
683                            (default=on). LinuxSampler provides CPU specific                            (default=on). LinuxSampler provides CPU specific
684                            assembly optimizations for the most important                            assembly optimizations. This is currently limited
685                            synthesis algorithms. You usually don't want to                            to just enter a fast (denormal) FPU mode on x86
686                            diable that.],                            platforms. There are currently no synthesis core
687    [config_asm="no"],                            assembly optimizations anymore since LS 0.4.0],
688      [config_asm="$enableval"],
689    [config_asm="yes"]    [config_asm="yes"]
690  )  )
691  if test "$config_asm" = "yes"; then  if test "$config_asm" = "yes"; then
692    AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.])    AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable asm optimizations.])
693  fi  fi
694    
695  AC_ARG_ENABLE(dev-mode,  AC_ARG_ENABLE(dev-mode,
696    [  --enable-dev-mode    [  --enable-dev-mode
697                            Enable development mode (default=no). In that mode                            Enable development mode (default=off). In that mode
698                            we do some extra sanity checks here and there.                            we do some extra sanity checks here and there.
699                            This helps to spot possible problems, but reduces                            This helps to spot possible problems, but reduces
700                            efficiency a bit],                            efficiency a bit],
701    [config_dev_mode="yes"],    [config_dev_mode="$enableval"],
702    [config_dev_mode="no"]    [config_dev_mode="no"]
703  )  )
704  if test "$config_dev_mode" = "yes"; then  if test "$config_dev_mode" = "yes"; then
# Line 267  AC_ARG_ENABLE(rt-exceptions, Line 726  AC_ARG_ENABLE(rt-exceptions,
726                            context as well. Otherwise if disabled                            context as well. Otherwise if disabled
727                            segmentation faults will be forced by the                            segmentation faults will be forced by the
728                            application on critical errors.],                            application on critical errors.],
729    [config_rt_exceptions="yes"],    [config_rt_exceptions="$enableval"],
730    [config_rt_exceptions="no"]    [config_rt_exceptions="no"]
731  )  )
732  if test "$config_rt_exceptions" = "yes"; then  if test "$config_rt_exceptions" = "yes"; then
733    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])    AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
734  fi  fi
735    
736    config_pthread_testcancel="$mac"
737    AC_ARG_ENABLE(pthread-testcancel,
738      [  --enable-pthread-testcancel
739                              Enable pthread_testcancel() calls and avoid
740                              asynchronous cancel of pthreads (default=yes
741                              for Mac targets, no otherwise).],
742      [config_pthread_testcancel="$enableval"],
743      []
744    )
745    if test "$config_pthread_testcancel" = "yes"; then
746      AC_DEFINE_UNQUOTED(CONFIG_PTHREAD_TESTCANCEL, 1, [Define to 1 to enable pthread_testcancel() calls.])
747    fi
748    
749  AC_ARG_ENABLE(preload-samples,  AC_ARG_ENABLE(preload-samples,
750    [  --enable-preload-samples    [  --enable-preload-samples
751                            Due to seeking and latency issues with hard drives                            Due to seeking and latency issues with hard drives
# Line 379  AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_ Line 851  AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_
851    
852  AC_ARG_ENABLE(max-streams,  AC_ARG_ENABLE(max-streams,
853    [  --enable-max-streams    [  --enable-max-streams
854                            Maximum amount of disk streams (default=90). This                            Initial maximum amount of disk streams
855                            value should always be higher than the maximum                            (default=90). This value can be changed at
856                            amount of voices.],                            runtime. It should always be higher than the
857                              maximum amount of voices.],
858    [config_max_streams="${enableval}"],    [config_max_streams="${enableval}"],
859    [config_max_streams="90"]    [config_max_streams="90"]
860  )  )
861  AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.])  AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_MAX_STREAMS, $config_max_streams, [Define initial max. streams.])
862    
863  AC_ARG_ENABLE(max-voices,  AC_ARG_ENABLE(max-voices,
864    [  --enable-max-voices    [  --enable-max-voices
865                            Maximum amount of voices (default=64). This value                            Initial maximum amount of voices (default=64).
866                            should always be lower than the maximum amount of                            This value can be changed at runtime. It should
867                            disk streams.],                            always be lower than the maximum amount of disk
868                              streams.],
869    [config_max_voices="${enableval}"],    [config_max_voices="${enableval}"],
870    [config_max_voices="64"]    [config_max_voices="64"]
871  )  )
872  AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])  AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_MAX_VOICES, $config_max_voices, [Define initial max. voices.])
873    
874    AC_ARG_ENABLE(subfragment-size,
875      [  --enable-subfragment-size
876                              Every audio fragment will be splitted into
877                              subfragments. Where each subfragment renders
878                              audio with constant synthesis parameters. This is
879                              done for efficiency reasons. This parameter
880                              defines the default size of a subfragment in
881                              sample points. A large value means less CPU time
882                              whereas a low value means better audio quality
883                              (default=32).],
884      [config_subfragment_size="${enableval}"],
885      [config_subfragment_size="32"]
886    )
887    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
888    
889    AC_ARG_ENABLE(global-attenuation-default,
890      [  --enable-global-attenuation-default
891                              To prevent clipping all samples will be lowered
892                              in amplitude by this given default factor (can
893                              be overridden at runtime).
894                              (default=0.35)],
895      [config_global_attenuation_default="${enableval}"],
896      [config_global_attenuation_default="0.35"]
897    )
898    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
899    
900  AC_ARG_ENABLE(voice-steal-algo,  AC_ARG_ENABLE(voice-steal-algo,
901    [  --enable-voice-steal-algo    [  --enable-voice-steal-algo
# Line 430  AC_ARG_ENABLE(sysex-buffer-size, Line 930  AC_ARG_ENABLE(sysex-buffer-size,
930  )  )
931  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])  AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
932    
 AC_ARG_ENABLE(filter-update-steps,  
   [  --enable-filter-update-steps  
                           Amount of sample points after which filter  
                           parameters (cutoff, resonance) are going to be  
                           updated (default=64). Higher value means less CPU  
                           load, but also worse parameter resolution, this  
                           value will be aligned to a power of two.],  
   [config_filter_update_steps="${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.])  
   
933  AC_ARG_ENABLE(force-filter,  AC_ARG_ENABLE(force-filter,
934    [  --enable-force-filter    [  --enable-force-filter
935                            If enabled will force filter to be used even if                            If enabled will force filter to be used even if
936                            no usage was define in instrument patch files.                            no usage was define in instrument patch files.
937                            (default=no).],                            (default=no).],
938    [config_force_filter="yes"],    [config_force_filter="$enableval"],
939    [config_force_filter="no"]    [config_force_filter="no"]
940  )  )
941  if test "$config_force_filter" = "yes"; then  if test "$config_force_filter" = "yes"; then
# Line 537  AC_ARG_ENABLE(gs-checksum, Line 1025  AC_ARG_ENABLE(gs-checksum,
1025                            messages which do not provide a correct checksum                            messages which do not provide a correct checksum
1026                            will be ignored. This is disabled by default as                            will be ignored. This is disabled by default as
1027                            not all devices honor GS checksums.],                            not all devices honor GS checksums.],
1028    [config_assert_gs_sysex_checksum="yes"],    [config_assert_gs_sysex_checksum="$enableval"],
1029    [config_assert_gs_sysex_checksum="no"]    [config_assert_gs_sysex_checksum="no"]
1030  )  )
1031  if test "config_assert_gs_sysex_checksum" = "yes"; then  if test "config_assert_gs_sysex_checksum" = "yes"; then
1032    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.])
1033  fi  fi
1034    
1035    AC_ARG_ENABLE(portamento-time-min,
1036      [  --enable-portamento-time-min
1037                              Minimum Portamento time in seconds
1038                              (default=0.1).],
1039      [config_portamento_time_min="${enableval}"],
1040      [config_portamento_time_min="0.1"]
1041    )
1042    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
1043    
1044    AC_ARG_ENABLE(portamento-time-max,
1045      [  --enable-portamento-time-max
1046                              Maximum Portamento time in seconds
1047                              (default=32).],
1048      [config_portamento_time_max="${enableval}"],
1049      [config_portamento_time_max="32"]
1050    )
1051    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
1052    
1053    AC_ARG_ENABLE(portamento-time-default,
1054      [  --enable-portamento-time-default
1055                              Default Portamento time in seconds
1056                              (default=1).],
1057      [config_portamento_time_default="${enableval}"],
1058      [config_portamento_time_default="1"]
1059    )
1060    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
1061    
1062    AC_ARG_ENABLE(signed-triang-algo,
1063      [  --enable-signed-triang-algo
1064                              Signed triangular wave algorithm to be used (e.g. for LFOs).
1065                              Currently available options:
1066                                intmath:
1067                                  Uses integer math without any branch will then be
1068                                  converted to floating point value for each sample point.
1069                                  This int->float conversion might hurt on some systems.
1070                                intmathabs:
1071                                  Similar to intmath but uses abs() function.
1072                                  Depending on compiler and platrofm this could
1073                                  perform better than integer math as it avoids
1074                                  an extra integer multiply instruction.
1075                                diharmonic:
1076                                  The triangular wave will be approximated by adding two
1077                                  sinusoidials. This solution might especially hurt on
1078                                  systems with weak floating point unit.
1079                                benchmark (default):
1080                                  This is not an algorithm. Use this option if the
1081                                  appropriate algorithm should be automatically
1082                                  chosen by the configure script by performing a
1083                                  benchmark between the algorithms mentioned above.
1084                                  This will NOT work for cross compilation!],
1085      [ if test ! "(" "${enableval}" = "intmath" \
1086                  -o "${enableval}" = "intmathabs" \
1087                  -o "${enableval}" = "diharmonic" ")" ; then
1088          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
1089        else
1090          config_signed_triang_algo="${enableval}"
1091        fi
1092      ],
1093      [config_signed_triang_algo="benchmark"]
1094    )
1095    
1096    AC_ARG_ENABLE(unsigned-triang-algo,
1097      [  --enable-unsigned-triang-algo
1098                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
1099                              Currently available options:
1100                                intmath:
1101                                  Uses integer math without any branch will then be
1102                                  converted to floating point value for each sample point.
1103                                  This int->float conversion might hurt on some systems.
1104                                intmathabs:
1105                                  Similar to intmath but uses abs() function.
1106                                  Depending on compiler and platrofm this could
1107                                  perform better than integer math as it avoids
1108                                  an extra integer multiply instruction.
1109                                diharmonic:
1110                                  The triangular wave will be approximated by adding two
1111                                  sinusoidials. This solution might especially hurt on
1112                                  systems with weak floating point unit.
1113                                benchmark (default):
1114                                  This is not an algorithm. Use this option if the
1115                                  appropriate algorithm should be automatically
1116                                  chosen by the configure script by performing a
1117                                  benchmark between the algorithms mentioned above.
1118                                  This will NOT work for cross compilation!],
1119      [ if test ! "(" "${enableval}" = "intmath" \
1120                  -o "${enableval}" = "intmathabs" \
1121                  -o "${enableval}" = "diharmonic" ")" ; then
1122          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
1123        else
1124          config_unsigned_triang_algo="${enableval}"
1125        fi
1126      ],
1127      [config_unsigned_triang_algo="benchmark"]
1128    )
1129    
1130    AC_ARG_ENABLE(process-muted-channels,
1131      [  --enable-process-muted-channels
1132                              Enable processing of muted channels (default=no).
1133                              In that mode all MIDI events in the muted channels
1134                              will be processed. This will provide information
1135                              about the active voices in the muted channels and
1136                              will not discard notes, triggered in mute mode,
1137                              when the channel is unmuted. But also will reduce
1138                              the efficiency.],
1139      [config_process_muted_channels="$enableval"],
1140      [config_process_muted_channels="no"]
1141    )
1142    if test "$config_process_muted_channels" = "yes"; then
1143      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
1144    fi
1145    
1146    AC_ARG_ENABLE(process-all-notes-off,
1147      [  --disable-process-all-notes-off
1148                              Disable interpretation of All-Notes-Off MIDI
1149                              messages (default=on). By default LS will release
1150                              all voices whenever it receives an All-Notes-Off
1151                              MIDI message. You can disable this behavior, so
1152                              that LS simply ignores such messages.],
1153      [config_process_all_notes_off="$enableval"],
1154      [config_process_all_notes_off="yes"]
1155    )
1156    if test "$config_process_all_notes_off" = "yes"; then
1157      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
1158    fi
1159    
1160    AC_ARG_ENABLE(interpolate-volume,
1161      [  --disable-interpolate-volume
1162                              Disable interpolation of volume modulation
1163                              (default=on). With this enabled, the volume changes
1164                              generated by for example the envelope generator
1165                              will be smoother, minimizing the risk for audio
1166                              clicks. Disable it to reduce CPU usage.],
1167      [config_interpolate_volume="$enableval"],
1168      [config_interpolate_volume="yes"]
1169    )
1170    if test "$config_interpolate_volume" = "yes"; then
1171      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
1172    fi
1173    
1174    AC_ARG_ENABLE(master-volume-sysex-by-port,
1175      [  --enable-master-volume-sysex-by-port
1176                              Whether global volume sysex message should be
1177                              applied globally to the whole sampler or only to
1178                              the sampler channels connected to the same MIDI
1179                              input port on which the sysex message arrived on.
1180                              By default global volume sysex messages apply
1181                              globally to the whole sampler, since many MIDI
1182                              devices behave that way.],
1183      [config_master_volume_sysex_by_port="$enableval"],
1184      [config_master_volume_sysex_by_port="no"]
1185    )
1186    if test "$config_master_volume_sysex_by_port" = "yes"; then
1187      AC_DEFINE_UNQUOTED(CONFIG_MASTER_VOLUME_SYSEX_BY_PORT, 1, [Define to 1 if you want global volume sysex message only be applied to the respective MIDI port.])
1188    fi
1189    
1190    AC_ARG_ENABLE(plugin-dir,
1191      [  --enable-plugin-dir
1192                              Directory where the sampler shall look for potential plugins,
1193                              that is 3rd party shared libraries that should be loaded by
1194                              the sampler on startup. By default the sampler will search
1195                              for plugins in the subdirectory "plugins" below its own
1196                              library directory.
1197                              (i.e. /usr/local/lib/linuxsampler/plugins)],
1198      [config_plugin_dir="${enableval}"],
1199      [config_plugin_dir="${libdir}/linuxsampler/plugins"]
1200    )
1201    AC_SUBST(config_plugin_dir)
1202    
1203    AC_ARG_ENABLE(default-instruments-db-location,
1204      [  --enable-default-instruments-db-location
1205                              Only when instruments DB feature is enabled: file name
1206                              which shall be taken as default location of the
1207                              instruments DB file. This location can still be
1208                              overridden at runtime with a command line switch.
1209                              (default: /var/lib/linuxsampler/instruments.db)],
1210      [config_default_instruments_db_file="${enableval}"],
1211      [config_default_instruments_db_file="/var/lib/linuxsampler/instruments.db"]
1212    )
1213    AC_DEFINE_UNQUOTED(
1214        CONFIG_DEFAULT_INSTRUMENTS_DB_LOCATION,
1215        "$config_default_instruments_db_file",
1216        [Only when instruments DB feature is enabled: default location of the DB file.]
1217    )
1218    AC_SUBST(config_default_instruments_db_file)
1219    
1220    
1221    ###########################################################################
1222    # Automatic Benchmarks (to detect the best algorithms for the system)
1223    
1224    AC_LANG_SAVE
1225    
1226    if test "$config_signed_triang_algo" = "benchmark"; then
1227        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
1228        AC_LANG_CPLUSPLUS
1229        AC_TRY_RUN([
1230                #define SIGNED 1
1231                #define SILENT 1
1232                #include "${srcdir}/benchmarks/triang.cpp"
1233            ],
1234            triang_signed=0,
1235            triang_signed=$?,
1236            triang_signed=0
1237        )
1238        if test "$triang_signed" = "2"; then
1239            config_signed_triang_algo="intmath"
1240            echo "integer math"
1241        elif test "$triang_signed" = "3"; then
1242            config_signed_triang_algo="diharmonic"
1243            echo "di harmonics"
1244        elif test "$triang_signed" = "5"; then
1245            config_signed_triang_algo="intmathabs"
1246            echo "integer math using abs()"
1247        else
1248            echo "Benchmark of signed triangular wave algorithms failed!"
1249            echo "Maybe you are doing cross compilation? In that case you have to select"
1250            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
1251            echo "Call './configure --help' for further information or read configure.in."
1252            exit -1;
1253        fi
1254    else
1255        case "$config_signed_triang_algo" in
1256            intmath)
1257                triang_signed=2 ;;
1258            diharmonic)
1259                triang_signed=3 ;;
1260            intmathabs)
1261                triang_signed=5 ;;
1262        esac
1263    fi
1264    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
1265    
1266    if test "$config_unsigned_triang_algo" = "benchmark"; then
1267        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
1268        AC_LANG_CPLUSPLUS
1269        AC_TRY_RUN([
1270                #define SIGNED 0
1271                #define SILENT 1
1272                #include "${srcdir}/benchmarks/triang.cpp"
1273            ],
1274            triang_unsigned=0,
1275            triang_unsigned=$?,
1276            triang_unsigned=0
1277        )
1278        if test "$triang_unsigned" = "2"; then
1279            config_unsigned_triang_algo="intmath"
1280            echo "integer math"
1281        elif test "$triang_unsigned" = "3"; then
1282            config_unsigned_triang_algo="diharmonic"
1283            echo "di harmonics"
1284        elif test "$triang_unsigned" = "5"; then
1285            config_unsigned_triang_algo="intmathabs"
1286            echo "integer math using abs()"
1287        else
1288            echo "Benchmark of unsigned triangular wave algorithms failed!"
1289            echo "Maybe you are doing cross compilation? In that case you have to select"
1290            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
1291            echo "Call './configure --help' for further information or read configure.in."
1292            exit -1;
1293        fi
1294    else
1295        case "$config_unsigned_triang_algo" in
1296            intmath)
1297                triang_unsigned=2 ;;
1298            diharmonic)
1299                triang_unsigned=3 ;;
1300            intmathabs)
1301                triang_unsigned=5 ;;
1302        esac
1303    fi
1304    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
1305    
1306    AC_LANG_RESTORE
1307    
1308    
1309  ###########################################################################  ###########################################################################
1310  # Create Build Files  # Create Build Files
1311    
1312  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
1313  AM_INIT_AUTOMAKE(linuxsampler, 0.3.2)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
1314    
1315  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
 AC_PROG_CXX  
1316    
1317  # 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
1318  # this, the dlfcn.h check in am_prog_libtool may fail.  # this, the dlfcn.h check in am_prog_libtool may fail.
1319  AC_CHECK_HEADER(stdlib.h)  AC_CHECK_HEADER(stdlib.h)
1320    
 AM_PROG_LIBTOOL  
   
1321  AC_OUTPUT( \  AC_OUTPUT( \
1322      Makefile \      Makefile \
1323      man/Makefile \      man/Makefile \
1324      man/linuxsampler.1 \      man/linuxsampler.1 \
1325      src/Makefile \      src/Makefile \
1326        src/db/Makefile \
1327      src/network/Makefile \      src/network/Makefile \
1328      src/engines/Makefile \      src/engines/Makefile \
1329      src/engines/gig/Makefile \      src/engines/gig/Makefile \
1330        src/engines/sf2/Makefile \
1331        src/engines/sfz/Makefile \
1332      src/engines/common/Makefile \      src/engines/common/Makefile \
1333      src/common/Makefile src/lib/Makefile \      src/effects/Makefile \
1334      src/lib/fileloader/Makefile \      src/common/Makefile \
     src/lib/fileloader/libgig/Makefile \  
1335      src/testcases/Makefile \      src/testcases/Makefile \
1336      src/drivers/Makefile \      src/drivers/Makefile \
1337      src/drivers/audio/Makefile \      src/drivers/audio/Makefile \
1338      src/drivers/midi/Makefile \      src/drivers/midi/Makefile \
1339        src/plugins/Makefile \
1340        src/hostplugins/Makefile \
1341        src/hostplugins/dssi/Makefile \
1342        src/hostplugins/lv2/Makefile \
1343        src/hostplugins/vst/Makefile \
1344        src/hostplugins/au/Makefile \
1345      linuxsampler.spec \      linuxsampler.spec \
1346      debian/Makefile \      debian/Makefile \
1347      Artwork/Makefile \      Artwork/Makefile \
1348      scripts/Makefile \      scripts/Makefile \
1349      osx/Makefile \      osx/Makefile \
1350      osx/LinuxSampler.xcode/Makefile \      osx/linuxsampler.xcodeproj/Makefile \
1351      Documentation/Makefile \      Documentation/Makefile \
1352      Documentation/Engines/Makefile \      Documentation/Engines/Makefile \
1353      Documentation/Engines/gig/Makefile \      Documentation/Engines/gig/Makefile \
1354        linuxsampler.pc \
1355        Doxyfile \
1356  )  )
1357    
1358    # resolve all nested variables in '${config_plugin_dir}'
1359    # (merely for providing a human readable summary below)
1360    while test $config_plugin_dir != `eval echo ${config_plugin_dir}` ; do
1361            config_plugin_dir=`eval echo ${config_plugin_dir}`
1362    done
1363    
1364    
1365  ###########################################################################  ###########################################################################
1366  # Output All Configuration Options  # Output All Configuration Options
# Line 595  echo "" Line 1369  echo ""
1369  echo "#####################################################################"  echo "#####################################################################"
1370  echo "# LinuxSampler Configuration                                        #"  echo "# LinuxSampler Configuration                                        #"
1371  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1372    echo "# Release Version: ${LINUXSAMPLER_RELEASE_MAJOR}.${LINUXSAMPLER_RELEASE_MINOR}.${LINUXSAMPLER_RELEASE_BUILD}"
1373    echo "# LSCP Version: ${LSCP_RELEASE_MAJOR}.${LSCP_RELEASE_MINOR}"
1374    echo "#-------------------------------------------------------------------"
1375  echo "# Assembly Optimizations: ${config_asm}"  echo "# Assembly Optimizations: ${config_asm}"
1376  echo "# Development Mode: ${config_dev_mode}"  echo "# Development Mode: ${config_dev_mode}"
1377  echo "# Debug Level: ${config_debug_level}"  echo "# Debug Level: ${config_debug_level}"
# Line 608  echo "# Streams to be refilled per Disk Line 1385  echo "# Streams to be refilled per Disk
1385  echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"  echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"
1386  echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"  echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"
1387  echo "# Stream Size: ${config_stream_size}"  echo "# Stream Size: ${config_stream_size}"
1388  echo "# Maximum Disk Streams: ${config_max_streams}"  echo "# Default Maximum Disk Streams: ${config_max_streams}"
1389  echo "# Maximum Voices: ${config_max_voices}"  echo "# Default Maximum Voices: ${config_max_voices}"
1390    echo "# Default Subfragment Size: ${config_subfragment_size}"
1391    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
1392  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"  echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
1393    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
1394    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
1395  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"  echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
1396  echo "# Filter Update Steps: ${config_filter_update_steps}"  echo "# Min. Portamento Time: ${config_portamento_time_min} s"
1397    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
1398    echo "# Default Portamento Time: ${config_portamento_time_default} s"
1399  echo "# Force Filter Usage: ${config_force_filter}"  echo "# Force Filter Usage: ${config_force_filter}"
1400  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"  echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
1401  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"  echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
# Line 620  echo "# Override Filter Cutoff Controlle Line 1403  echo "# Override Filter Cutoff Controlle
1403  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"  echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
1404  echo "# Override Filter Type: ${config_override_filter_type}"  echo "# Override Filter Type: ${config_override_filter_type}"
1405  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"  echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
1406    echo "# Process Muted Channels: ${config_process_muted_channels}"
1407    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1408    echo "# Apply global volume SysEx by MIDI port: ${config_master_volume_sysex_by_port}"
1409    echo "# Interpolate Volume: ${config_interpolate_volume}"
1410    echo "# Instruments database support: ${config_instruments_db}"
1411    if test "$config_instruments_db" = "yes"; then
1412    echo "# Instruments DB default location: ${config_default_instruments_db_file}"
1413    fi
1414    echo "# Plugin Path: ${config_plugin_dir}"
1415    echo "#-------------------------------------------------------------------"
1416    echo "# MIDI Input Drivers:"
1417    echo "# ALSA: ${config_have_alsa}, JACK: ${config_have_jack_midi}, CoreMIDI: ${config_have_coremidi}, MME: ${config_have_mme}, MidiShare: ${config_have_midishare}"
1418    echo "#-------------------------------------------------------------------"
1419    echo "# Audio Output Drivers:"
1420    echo "# ALSA: ${config_have_alsa}, JACK: ${config_have_jack}, ARTS: ${config_have_arts}, CoreAudio: ${config_have_coreaudio}, ASIO: ${config_have_asio}"
1421    echo "#-------------------------------------------------------------------"
1422    echo "# Sampler Engines:"
1423    echo "# GIG: yes, SF2: ${config_have_sf2}, SFZ: yes"
1424    echo "#-------------------------------------------------------------------"
1425    echo "# Effect plugin systems for internal effects:"
1426    echo "# LADSPA: yes"
1427    echo "#-------------------------------------------------------------------"
1428    echo "# Building sampler as plugin for following host standards:"
1429    echo "# DSSI: ${config_have_dssi}, LV2: ${config_have_lv2}, VST: ${config_have_vst}, AU: ${config_have_au}"
1430  echo "#-------------------------------------------------------------------#"  echo "#-------------------------------------------------------------------#"
1431  echo "# Read './configure --help' or file 'configure.in' for details.     #"  echo "# Read './configure --help' or file 'configure.in' for details.     #"
1432  echo "#####################################################################"  echo "#####################################################################"

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