--- linuxsampler/trunk/configure.in 2005/04/10 11:55:44 497 +++ linuxsampler/trunk/configure.in 2006/02/10 14:57:40 838 @@ -1,4 +1,39 @@ AC_INIT(configure.in) + +#------------------------------------------------------------------------------------ +# LinuxSampler's / liblinuxsampler's "official" release version: + +LINUXSAMPLER_RELEASE_MAJOR=0 +LINUXSAMPLER_RELEASE_MINOR=3 +LINUXSAMPLER_RELEASE_BUILD=3cvs + +#------------------------------------------------------------------------------------ +# The following is the libtool / shared library version. This doesn't have to +# do anything with the release version. It MUST conform to the following rules: +# +# 1. Start with version information of `0:0:0' for each libtool library. +# 2. Update the version information only immediately before a public release of +# your software. More frequent updates are unnecessary, and only guarantee +# that the current interface number gets larger faster. +# 3. If the library source code has changed at all since the last update, then +# increment revision (`c:r:a' becomes `c:r+1:a'). +# 4. If any interfaces have been added, removed, or changed since the last update, +# increment current, and set revision to 0. +# 5. If any interfaces have been added since the last public release, then increment +# age. +# 6. If any interfaces have been removed since the last public release, then set age +# to 0. + +LIBLINUXSAMPLER_LT_CURRENT=0 +LIBLINUXSAMPLER_LT_REVISION=0 +LIBLINUXSAMPLER_LT_AGE=0 +SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE" + +AM_PROG_LIBTOOL + +AC_SUBST(SHLIB_VERSION_ARG) +AC_SUBST(SHARED_VERSION_INFO) + AC_C_BIGENDIAN AC_CANONICAL_SYSTEM @@ -9,8 +44,10 @@ AC_SUBST(target_vendor) +########################################################################### +# General Checks -echo -n "checking whether x86 architecture... " +AC_MSG_CHECKING([whether x86 architecture]) def_arch_x86=0 case $target_cpu in "i386" | "i486" | "i586" | "i686" | "i786") @@ -21,6 +58,17 @@ esac AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.]) +# determine the right gcc switch for CPU specific optimizations +# (only if the user did not provide one) +CXX_CPU_SWITCH= +if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then + if test "$def_arch_x86" = 1; then + CXX_CPU_SWITCH="-march=$target_cpu" + elif test "$target_cpu" = "powerpc"; then + CXX_CPU_SWITCH="-arch=$target_cpu" + fi +fi +AC_SUBST([CXX_CPU_SWITCH]) AC_MSG_CHECKING([whether UNIX98 compatible]) AC_LANG_SAVE @@ -54,6 +102,8 @@ fi fi +# check for +AC_CHECK_HEADERS(features.h) # Checks for available audio and MIDI systems / drivers # (we throw an error if there's not at least one system for audio output and MIDI input available) @@ -76,7 +126,6 @@ AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1") AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.]) - echo -n "checking Alsa version... " AC_LANG_SAVE AC_LANG_C @@ -128,7 +177,6 @@ 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.]) - # JACK PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false) AC_SUBST(JACK_LIBS) @@ -143,22 +191,74 @@ AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1) AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.]) +# ARTS +sinclude([m4/arts.m4]) +AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0) +if test "$have_arts" = "1"; then + have_audio_output_driver="true" +fi +AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1") +AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.]) + +# MidiShare (Linux, OS X, Windows) +AC_CHECK_HEADER(MidiShare.h, + AC_CHECK_LIB(MidiShare, MidiCountEvs, + have_midishare=1, + have_midishare=0 + ) + , + have_midishare=0 +) +if test "$have_midishare" = "1"; then + have_midi_input_driver="true" +fi +AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1") +AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.]) + +# CoreMIDI (OS X) +AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h, + have_coremidi=1, + have_coremidi=0 +) +if test "$have_coremidi" = "1"; then + have_midi_input_driver="true" +fi +AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1") +AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.]) + +# Check presence of libgig +libgig_version="2.0.2" +PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false) +if test "$HAVE_GIG" = "false"; then + echo "Required libgig version not found!" + echo "You need to have libgig version ${libgig_version} installed!" + exit -1; +else + echo "yes, found libgig $libgig_version" +fi +AC_SUBST(GIG_CFLAGS) +AC_SUBST(GIG_LIBS) + # SQLITE3 PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false) AC_SUBST(SQLITE3_LIBS) AC_SUBST(SQLITE3_CFLAGS) if test $HAVE_SQLITE3 = false; then HAVE_SQLITE3=0; + echo "no, support for instrument DB will be disabled!" else HAVE_SQLITE3=1 + echo "yes" fi AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1) AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.]) - if test "$have_midi_input_driver" = "false"; then echo "No supported MIDI input system found!" - echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!" + echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:" + echo "ALSA, MIDIShare, CoreMIDI." + echo "If you think you have one of those available on your system, make sure you" + echo "also have the respective development (header) files installed." exit -1; fi if test "$have_audio_output_driver" = "false"; then @@ -168,16 +268,640 @@ fi +########################################################################### +# Handle Configuration Options + +# TODO: should we use AC_ARG_VAR(variable, description) instead? + +AC_ARG_ENABLE(asm, + [ --enable-asm + Enable hand-crafted assembly optimizations + (default=off). LinuxSampler provides CPU specific + assembly optimizations for the most important + synthesis algorithms. This is currently disabled + by default since current asm code is broken.], + [config_asm="yes"], + [config_asm="no"] +) +if test "$config_asm" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.]) +fi + +AC_ARG_ENABLE(dev-mode, + [ --disable-dev-mode + Disable development mode (default=on). In that mode + we do some extra sanity checks here and there. + This helps to spot possible problems, but reduces + efficiency a bit], + [config_dev_mode="no"], + [config_dev_mode="yes"] +) +if test "$config_dev_mode" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.]) +fi + +AC_ARG_ENABLE(debug-level, + [ --enable-debug-level + Specify verbosity of console messages (default=1). + The higher the value, the higher will be verbosity. + A value of 0 means no console output at all. + There's not really an upper limit but the usual + level of all messages is currently somewhere less + than 10.], + [config_debug_level="${enableval}"], + [config_debug_level="1"] +) +AC_DEFINE_UNQUOTED(CONFIG_DEBUG_LEVEL, $config_debug_level, [Define console verbosity.]) + +AC_ARG_ENABLE(rt-exceptions, + [ --enable-rt-exceptions + Enable exceptions in the realtime thread + (default=no). If this is enabled, exceptions will + be thrown on critical errors in the realtime + context as well. Otherwise if disabled + segmentation faults will be forced by the + application on critical errors.], + [config_rt_exceptions="yes"], + [config_rt_exceptions="no"] +) +if test "$config_rt_exceptions" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.]) +fi + +AC_ARG_ENABLE(preload-samples, + [ --enable-preload-samples + Due to seeking and latency issues with hard drives + we have to cache a small part of samples' head in + RAM (default=32768). The higher this value the + more memory will be occupied for each sample, but + the safer this will be in regards of possible + droputs. A 'good' value depends on the running + system and usage dependant factors.], + [config_preload_samples="${enableval}"], + [config_preload_samples="32768"] +) +AC_DEFINE_UNQUOTED(CONFIG_PRELOAD_SAMPLES, $config_preload_samples, [Define amount of sample points to be cached in RAM.]) + +AC_ARG_ENABLE(max-pitch, + [ --enable-max-pitch + Specify the maximum allowed pitch value in octaves + (default=4). To lower memory usage you might want + set a smaller value.], + [config_max_pitch="${enableval}"], + [config_max_pitch="4"] +) +AC_DEFINE_UNQUOTED(CONFIG_MAX_PITCH, $config_max_pitch, [Define max. allowed pitch.]) + +AC_ARG_ENABLE(max-events, + [ --enable-max-events + Specify the maximum allowed amount of events to be + processed per fragment (default=1024).], + [config_max_events="${enableval}"], + [config_max_events="1024"] +) +AC_DEFINE_UNQUOTED(CONFIG_MAX_EVENTS_PER_FRAGMENT, $config_max_events, [Define max. allowed events per fragment.]) + +AC_ARG_ENABLE(eg-bottom, + [ --enable-eg-bottom + Bottom limit of envelope generators + (default=0.001). Certain kinds of curve types like + exponential curves converge against 0 but never + reach 0. So we have to define a certain low value + after which we should consider all smaller values + to be 'almost zero'. The smaller this value, the + longer will voices survive in EG's release stage + and thus waste voices. If this value is too high + will cause click sounds though.], + [config_eg_bottom="${enableval}"], + [config_eg_bottom="0.001"] +) +AC_DEFINE_UNQUOTED(CONFIG_EG_BOTTOM, $config_eg_bottom, [Define bottom limit of envelopes.]) + +AC_ARG_ENABLE(eg-min-release-time, + [ --enable-eg-min-release-time + Specify the lowest allowed release time in seconds + (default=0.0025). This value will also be used to + ramp down voices on voice stealing. This value + should always be less than the period time of the + used audio driver, as in case of voice stealing + the killed voice needs to be completely ramped + down in the same fragment.], + [config_eg_min_release_time="${enableval}"], + [config_eg_min_release_time="0.0025"] +) +AC_DEFINE_UNQUOTED(CONFIG_EG_MIN_RELEASE_TIME, $config_eg_min_release_time, [Define min. release time.]) + +AC_ARG_ENABLE(refill-streams, + [ --enable-refill-streams + Number of streams that should be refilled in each + disk thread cycle (default=4).], + [config_refill_streams="${enableval}"], + [config_refill_streams="4"] +) +AC_DEFINE_UNQUOTED(CONFIG_REFILL_STREAMS_PER_RUN, $config_refill_streams, [Define amount of streams to be refilled per cycle.]) + +AC_ARG_ENABLE(stream-min-refill, + [ --enable-stream-min-refill + Minimum refill size for disk streams (default=1024). + The disk thread will go to sleep for a while if no + stream had to be refilled more than this value in + a disk thread cycle.], + [config_stream_min_refill="${enableval}"], + [config_stream_min_refill="1024"] +) +AC_DEFINE_UNQUOTED(CONFIG_STREAM_MIN_REFILL_SIZE, $config_stream_min_refill, [Define min. stream refill size.]) + +AC_ARG_ENABLE(stream-max-refill, + [ --enable-stream-max-refill + Maximum refill size for disk streams + (default=65536). The disk thread will refill + each stream only by a size of this value per + disk thread cycle.], + [config_stream_max_refill="${enableval}"], + [config_stream_max_refill="65536"] +) +AC_DEFINE_UNQUOTED(CONFIG_STREAM_MAX_REFILL_SIZE, $config_stream_max_refill, [Define max. stream refill size.]) + +AC_ARG_ENABLE(stream-size, + [ --enable-stream-size + Size of each stream's ring buffer in sample points + (default=262144).], + [config_stream_size="${enableval}"], + [config_stream_size="262144"] +) +AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_SIZE, $config_stream_size, [Define each stream's ring buffer size.]) + +AC_ARG_ENABLE(max-streams, + [ --enable-max-streams + Maximum amount of disk streams (default=90). This + value should always be higher than the maximum + amount of voices.], + [config_max_streams="${enableval}"], + [config_max_streams="90"] +) +AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.]) + +AC_ARG_ENABLE(max-voices, + [ --enable-max-voices + Maximum amount of voices (default=64). This value + should always be lower than the maximum amount of + disk streams.], + [config_max_voices="${enableval}"], + [config_max_voices="64"] +) +AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.]) + +AC_ARG_ENABLE(subfragment-size, + [ --enable-subfragment-size + Every audio fragment will be splitted into + subfragments. Where each subfragment renders + audio with constant synthesis parameters. This is + done for efficiency reasons. This parameter + defines the default size of a subfragment in + sample points. A large value means less CPU time + whereas a low value means better audio quality + (default=32).], + [config_subfragment_size="${enableval}"], + [config_subfragment_size="32"] +) +AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).]) + +AC_ARG_ENABLE(global-attenuation, + [ --enable-global-attenuation + To prevent clipping all samples will be lowered + in amplitude by this given factor. + (default=0.35)], + [config_global_attenuation="${enableval}"], + [config_global_attenuation="0.35"] +) +AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION, $config_global_attenuation, [Define global volume attenuation (as floating point factor).]) + +AC_ARG_ENABLE(voice-steal-algo, + [ --enable-voice-steal-algo + Voice stealing algorithm to be used. Currently + available options: + none: + Disable voice stealing completely. + oldestvoiceonkey (default): + Try to kill a voice on the same key first, + if no success, proceed with the oldest key. + oldestkey: + Try to kill a voice from the oldest active + key.], + [ if test ! "(" "${enableval}" = "none" \ + -o "${enableval}" = "oldestvoiceonkey" \ + -o "${enableval}" = "oldestkey" ")" ; then + AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo]) + else + config_voice_steal_algo="${enableval}" + fi + ], + [config_voice_steal_algo="oldestvoiceonkey"] +) +AC_DEFINE_UNQUOTED(CONFIG_VOICE_STEAL_ALGO, voice_steal_algo_${config_voice_steal_algo}, [Define voice stealing algorithm to be used.]) + +AC_ARG_ENABLE(sysex-buffer-size, + [ --enable-sysex-buffer-size + System Exclusive Message buffer size in kB + (default=2048).], + [config_sysex_buffer_size="${enableval}"], + [config_sysex_buffer_size="2048"] +) +AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.]) + +AC_ARG_ENABLE(force-filter, + [ --enable-force-filter + If enabled will force filter to be used even if + no usage was define in instrument patch files. + (default=no).], + [config_force_filter="yes"], + [config_force_filter="no"] +) +if test "$config_force_filter" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_FORCE_FILTER, 1, [Define to 1 to force filter usage.]) +fi + +AC_ARG_ENABLE(filter-cutoff-min, + [ --enable-filter-cutoff-min + Minimum filter cutoff frequency in Hz + (default=100.0).], + [config_filter_cutoff_min="${enableval}"], + [config_filter_cutoff_min="100.0"] +) +AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MIN, ${config_filter_cutoff_min}f, [Define min. filter cutoff frequency.]) + +AC_ARG_ENABLE(filter-cutoff-max, + [ --enable-filter-cutoff-max + Maximum filter cutoff frequency in Hz + (default=10000.0).], + [config_filter_cutoff_max="${enableval}"], + [config_filter_cutoff_max="10000.0"] +) +AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MAX, ${config_filter_cutoff_max}f, [Define max. filter cutoff frequency.]) + +AC_ARG_ENABLE(override-cutoff-ctrl, + [ --enable-override-cutoff-ctrl + Override filter cutoff MIDI controller (default=no). + Note: you have to define the MIDI controller number + here, it's not a boolean parameter type! If this + option is used, controller number given by + instrument patch will be ignored and instead this + supplied value will be used.], + [config_override_cutoff_ctrl="${enableval}"], + [config_override_cutoff_ctrl="no"] +) +if test ! "$config_override_cutoff_ctrl" = "no"; then + AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_CUTOFF_CTRL, $config_override_cutoff_ctrl, [Define to a MIDI controller number to override cutoff control.]) +fi + +AC_ARG_ENABLE(override-resonance-ctrl, + [ --enable-override-resonance-ctrl + Override filter resonance MIDI controller + (default=no). Note: you have to define the MIDI + controller number here, it's not a boolean + parameter type! If this option is used, controller + number given by instrument patch will be ignored + and instead this supplied value will be used.], + [config_override_resonance_ctrl="${enableval}"], + [config_override_resonance_ctrl="no"] +) +if test ! "$config_override_resonance_ctrl" = "no"; then + AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_RESONANCE_CTRL, $config_override_resonance_ctrl, [Define to a MIDI controller number to override resonance control.]) +fi + +AC_ARG_ENABLE(override-filter-type, + [ --enable-override-filter-type + Override filter type (default=no). Options: + hp: for highpass + bp: for bandpass + br: for bandreject + lp: for lowpass + lpt: for lowpass turbo], + [ if test "${enableval}" = "hp" ; then + config_override_filter_type="::gig::vcf_type_highpass" + elif test "${enableval}" = "bp" ; then + config_override_filter_type="::gig::vcf_type_bandpass" + elif test "${enableval}" = "br" ; then + config_override_filter_type="::gig::vcf_type_bandreject" + elif test "${enableval}" = "lp" ; then + config_override_filter_type="::gig::vcf_type_lowpass" + elif test "${enableval}" = "lpt" ; then + config_override_filter_type="::gig::vcf_type_lowpassturbo" + elif test ! "${enableval}" = "no"; then + AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type]) + fi + ], + [config_override_filter_type="no"] +) +if test ! "$config_override_filter_type" = "no"; then + AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_FILTER_TYPE, $config_override_filter_type, [Define to a filter type to always force that filter type.]) +fi + +AC_ARG_ENABLE(gs-checksum, + [ --enable-gs-checksum + Enable Roland General Synth SysEx checksum check + (default=no). If this is enabled, all GS SysEx + messages which do not provide a correct checksum + will be ignored. This is disabled by default as + not all devices honor GS checksums.], + [config_assert_gs_sysex_checksum="yes"], + [config_assert_gs_sysex_checksum="no"] +) +if test "config_assert_gs_sysex_checksum" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.]) +fi + +AC_ARG_ENABLE(portamento-time-min, + [ --enable-portamento-time-min + Minimum Portamento time in seconds + (default=0.1).], + [config_portamento_time_min="${enableval}"], + [config_portamento_time_min="0.1"] +) +AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.]) + +AC_ARG_ENABLE(portamento-time-max, + [ --enable-portamento-time-max + Maximum Portamento time in seconds + (default=32).], + [config_portamento_time_max="${enableval}"], + [config_portamento_time_max="32"] +) +AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.]) + +AC_ARG_ENABLE(portamento-time-default, + [ --enable-portamento-time-default + Default Portamento time in seconds + (default=1).], + [config_portamento_time_default="${enableval}"], + [config_portamento_time_default="1"] +) +AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.]) + +AC_ARG_ENABLE(signed-triang-algo, + [ --enable-signed-triang-algo + Signed triangular wave algorithm to be used (e.g. for LFOs). + Currently available options: + intmath: + Uses integer math without any branch will then be + converted to floating point value for each sample point. + This int->float conversion might hurt on some systems. + intmathabs: + Similar to intmath but uses abs() function. + Depending on compiler and platrofm this could + perform better than integer math as it avoids + an extra integer multiply instruction. + + diharmonic: + The triangular wave will be approximated by adding two + sinusoidials. This solution might especially hurt on + systems with weak floating point unit. + benchmark (default): + This is not an algorithm. Use this option if the + appropriate algorithm should be automatically + chosen by the configure script by performing a + benchmark between the algorithms mentioned above. + This will NOT work for cross compilation!], + [ if test ! "(" "${enableval}" = "intmath" \ + -o "${enableval}" = "intmathabs" \ + -o "${enableval}" = "diharmonic" ")" ; then + AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo]) + else + config_signed_triang_algo="${enableval}" + fi + ], + [config_signed_triang_algo="benchmark"] +) + +AC_ARG_ENABLE(unsigned-triang-algo, + [ --enable-unsigned-triang-algo + Unsigned triangular wave algorithm to be used (e.g. for LFOs). + Currently available options: + intmath: + Uses integer math without any branch will then be + converted to floating point value for each sample point. + This int->float conversion might hurt on some systems. + intmathabs: + Similar to intmath but uses abs() function. + Depending on compiler and platrofm this could + perform better than integer math as it avoids + an extra integer multiply instruction. + + diharmonic: + The triangular wave will be approximated by adding two + sinusoidials. This solution might especially hurt on + systems with weak floating point unit. + benchmark (default): + This is not an algorithm. Use this option if the + appropriate algorithm should be automatically + chosen by the configure script by performing a + benchmark between the algorithms mentioned above. + This will NOT work for cross compilation!], + [ if test ! "(" "${enableval}" = "intmath" \ + -o "${enableval}" = "intmathabs" \ + -o "${enableval}" = "diharmonic" ")" ; then + AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo]) + else + config_unsigned_triang_algo="${enableval}" + fi + ], + [config_unsigned_triang_algo="benchmark"] +) + +AC_ARG_ENABLE(process-muted-channels, + [ --enable-process-muted-channels + Enable processing of muted channels (default=no). + In that mode all MIDI events in the muted channels + will be processed. This will provide information + about the active voices in the muted channels and + will not discard notes, triggered in mute mode, + when the channel is unmuted. But also will reduce + the efficiency.], + [config_process_muted_channels="yes"], + [config_process_muted_channels="no"] +) +if test "$config_process_muted_channels" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.]) +fi + +AC_ARG_ENABLE(interpolate-volume, + [ --disable-interpolate-volume + Disable interpolation of volume modulation + (default=on). With this enabled, the volume changes + generated by for example the envelope generator + will be smoother, minimizing the risk for audio + clicks. Disable it to reduce CPU usage.], + [config_interpolate_volume="no"], + [config_interpolate_volume="yes"] +) +if test "$config_interpolate_volume" = "yes"; then + AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.]) +fi + + +########################################################################### +# Automatic Benchmarks (to detect the best algorithms for the system) + +AC_LANG_SAVE + +if test "$config_signed_triang_algo" = "benchmark"; then + echo -n "benchmarking for the best (signed) triangular oscillator algorithm... " + AC_LANG_CPLUSPLUS + AC_TRY_RUN([ + #define SIGNED 1 + #define SILENT 1 + #include "${srcdir}/benchmarks/triang.cpp" + ], + triang_signed=0, + triang_signed=$?, + triang_signed=0 + ) + if test "$triang_signed" = "2"; then + config_signed_triang_algo="intmath" + echo "integer math" + elif test "$triang_signed" = "3"; then + config_signed_triang_algo="diharmonic" + echo "di harmonics" + elif test "$triang_signed" = "5"; then + config_signed_triang_algo="intmathabs" + echo "integer math using abs()" + else + echo "Benchmark of signed triangular wave algorithms failed!" + echo "Maybe you are doing cross compilation? In that case you have to select" + echo "an algorithm manually with './configure --enable-signed-triang-algo=...'" + echo "Call './configure --help' for further information or read configure.in." + exit -1; + fi +fi +AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.]) + +if test "$config_unsigned_triang_algo" = "benchmark"; then + echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... " + AC_LANG_CPLUSPLUS + AC_TRY_RUN([ + #define SIGNED 0 + #define SILENT 1 + #include "${srcdir}/benchmarks/triang.cpp" + ], + triang_unsigned=0, + triang_unsigned=$?, + triang_unsigned=0 + ) + if test "$triang_unsigned" = "2"; then + config_unsigned_triang_algo="intmath" + echo "integer math" + elif test "$triang_unsigned" = "3"; then + config_unsigned_triang_algo="diharmonic" + echo "di harmonics" + elif test "$triang_unsigned" = "5"; then + config_unsigned_triang_algo="intmathabs" + echo "integer math using abs()" + else + echo "Benchmark of unsigned triangular wave algorithms failed!" + echo "Maybe you are doing cross compilation? In that case you have to select" + echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'" + echo "Call './configure --help' for further information or read configure.in." + exit -1; + fi +fi +AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.]) + +AC_LANG_RESTORE + + +########################################################################### +# Create Build Files + AM_CONFIG_HEADER(config.h) -AM_INIT_AUTOMAKE(linuxsampler, 0.3.0) +AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD") AC_LANG_CPLUSPLUS AC_PROG_CXX +# some gcc 4.0 versions need -msse for SSE register allocations +if test "$config_asm" = "yes"; then + if test "$def_arch_x86" = 1; then + CXXFLAGS="$CXXFLAGS -msse" + fi +fi + # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like # this, the dlfcn.h check in am_prog_libtool may fail. AC_CHECK_HEADER(stdlib.h) -AM_PROG_LIBTOOL +AC_OUTPUT( \ + Makefile \ + man/Makefile \ + man/linuxsampler.1 \ + src/Makefile \ + src/network/Makefile \ + src/engines/Makefile \ + src/engines/gig/Makefile \ + src/engines/common/Makefile \ + src/common/Makefile src/lib/Makefile \ + src/lib/fileloader/Makefile \ + src/lib/fileloader/libgig/Makefile \ + src/testcases/Makefile \ + src/drivers/Makefile \ + src/drivers/audio/Makefile \ + src/drivers/midi/Makefile \ + linuxsampler.spec \ + debian/Makefile \ + Artwork/Makefile \ + scripts/Makefile \ + osx/Makefile \ + osx/LinuxSampler.xcode/Makefile \ + Documentation/Makefile \ + Documentation/Engines/Makefile \ + Documentation/Engines/gig/Makefile \ + linuxsampler.pc \ + Doxyfile \ +) + + +########################################################################### +# Output All Configuration Options -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) +echo "" +echo "#####################################################################" +echo "# LinuxSampler Configuration #" +echo "#-------------------------------------------------------------------#" +echo "# Assembly Optimizations: ${config_asm}" +echo "# Development Mode: ${config_dev_mode}" +echo "# Debug Level: ${config_debug_level}" +echo "# Use Exceptions in RT Context: ${config_rt_exceptions}" +echo "# Preload Samples: ${config_preload_samples}" +echo "# Maximum Pitch: ${config_max_pitch} (octaves)" +echo "# Maximum Events: ${config_max_events}" +echo "# Envelope Bottom Level: ${config_eg_bottom} (linear)" +echo "# Envelope Minimum Release Time: ${config_eg_min_release_time} s" +echo "# Streams to be refilled per Disk Thread Cycle: ${config_refill_streams}" +echo "# Minimum Stream Refill Size: ${config_stream_min_refill}" +echo "# Maximum Stream Refill Size: ${config_stream_max_refill}" +echo "# Stream Size: ${config_stream_size}" +echo "# Maximum Disk Streams: ${config_max_streams}" +echo "# Maximum Voices: ${config_max_voices}" +echo "# Default Subfragment Size: ${config_subfragment_size}" +echo "# Global Volume Attenuation: ${config_global_attenuation}" +echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}" +echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}" +echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}" +echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte" +echo "# Min. Portamento Time: ${config_portamento_time_min} s" +echo "# Max. Portamento Time: ${config_portamento_time_max} s" +echo "# Default Portamento Time: ${config_portamento_time_default} s" +echo "# Force Filter Usage: ${config_force_filter}" +echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz" +echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz" +echo "# Override Filter Cutoff Controller: ${config_override_cutoff_ctrl}" +echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}" +echo "# Override Filter Type: ${config_override_filter_type}" +echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}" +echo "# Process Muted Channels: ${config_process_muted_channels}" +echo "# Interpolate Volume: ${config_interpolate_volume}" +echo "#-------------------------------------------------------------------#" +echo "# Read './configure --help' or file 'configure.in' for details. #" +echo "#####################################################################" +echo "" +echo "Good. Now type 'make' to compile, followed by 'make install' as root." +echo ""