# Checks for package options and external software
AC_CANONICAL_HOST
-AC_MSG_CHECKING([for audio API])
+# Aggregate options into a single string.
+AS_IF([test "x$with_jack" = "xyes"], [systems="$systems jack"])
+AS_IF([test "x$with_alsa" = "xyes"], [systems="$systems alsa"])
+AS_IF([test "x$with_pulse" = "xyes"], [systems="$systems pulse"])
+AS_IF([test "x$with_oss" = "xyes"], [systems="$systems oss"])
+AS_IF([test "x$with_core" = "xyes"], [systems="$systems core"])
+AS_IF([test "x$with_asio" = "xyes"], [systems="$systems asio"])
+AS_IF([test "x$with_ds" = "xyes"], [systems="$systems ds"])
+AS_IF([test "x$with_wasapi" = "xyes"], [systems="$systems wasapi"])
+required=" $systems "
+
+# If none, assign defaults if any are known for this OS.
+# User must specified with-* options for any unknown OS.
+AS_IF([test "x$systems" = "x"],
+ AS_CASE([$host],
+ [*-*-netbsd*], [systems="oss"],
+ [*-*-freebsd*], [systems="oss"],
+ [*-*-linux*], [systems="alsa pulse jack oss"],
+ [*-apple*], [systems="core jack"],
+ [*-mingw32*], [systems="asio ds wasapi jack"]
+ ))
-AS_IF([test "x$with_jack" = "xyes"], [
- AC_MSG_RESULT([using JACK])
- AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR([JACK support requires the jack library!]))
- api="$api -D__UNIX_JACK__"
- req="$req jack"
+# For each audio system, check if it is selected and found.
+# Note: Order specified above is not necessarily respected. However,
+# *actual* priority is set at run-time, see RtAudio::openRtApi.
+# One AS_CASE per system, since they are not mutually-exclusive.
+systems=" $systems "
+
+AS_CASE(["$systems"], [*" alsa "*], [
+ AC_CHECK_LIB(asound, snd_pcm_open,
+ [api="$api -D__LINUX_ALSA__"
+ req="$req alsa"
+ need_pthread=yes
+ found="$found ALSA"
+ LIBS="-lasound $LIBS"],
+ AS_CASE(["$required"], [*" alsa "*],
+ AC_MSG_ERROR([ALSA support requires the asound library!])))
])
+AS_CASE(["$systems"], [*" pulse "*], [
+ AC_CHECK_LIB(pulse-simple, pa_simple_flush,
+ [api="$api -D__LINUX_PULSE__"
+ req="$req libpulse-simple"
+ need_pthread=yes
+ found="$found PulseAudio"
+ LIBS="-lpulse-simple $LIBS"],
+ AS_CASE(["$required"], [*" pulse "*],
+ AC_MSG_ERROR([PulseAudio support requires the pulse-simple library!])))
+])
-AS_CASE([$host],
- [*-*-netbsd*],
- AS_IF([test "x$api" = "x"], [
- AC_MSG_RESULT([using OSS])
- api="$api -D__LINUX_OSS__"
- AC_CHECK_LIB(ossaudio, main, , AC_MSG_ERROR([RtAudio requires the ossaudio library]))
- AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR([RtAudio requires the pthread library!]))
- ]),
- [*-*-freebsd*],
- AS_IF([test "x$api" = "x"], [
- AC_MSG_RESULT([using OSS])
- api="$api -D__LINUX_OSS__"
- AC_CHECK_LIB(ossaudio, main, , AC_MSG_ERROR([RtAudio requires the ossaudio library]))
- AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR([RtAudio requires the pthread library!]))
- ]),
- [*-*-linux*], [
- # Look for ALSA flag
- AS_IF([test "x$with_alsa" = "xyes"], [
- AC_MSG_RESULT([using ALSA])
- api="$api -D__LINUX_ALSA__"
- req="$req alsa"
- AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR([ALSA support requires the asound library!]))
- ])
- # Look for PULSE flag
- AS_IF([test "x$with_pulse" = "xyes"], [
- AC_MSG_RESULT([using PulseAudio])
- api="$api -D__LINUX_PULSE__"
- req="$req libpulse-simple"
- AC_CHECK_LIB(pulse-simple, pa_simple_flush, , AC_MSG_ERROR([PulseAudio support requires the pulse-simple library!]))
- ])
+AS_CASE(["$systems"], [*" oss "*], [
+ AC_CHECK_LIB(ossaudio, main,
+ [api="$api -D__LINUX_OSS__"
+ need_pthread=yes
+ found="$found OSS"
+ LIBS="-lossaudio $LIBS"],
+ AS_CASE(["$required"], [*" oss "*],
+ AC_MSG_ERROR([RtAudio requires the ossaudio library])))
+])
- # Look for OSS flag
- AS_IF([test "x$with_oss" = "xyes"], [
- AC_MSG_RESULT([using OSS])
- api="$api -D__LINUX_OSS__"
- ])
+AS_CASE(["$systems"], [*" jack "*], [
+ AC_CHECK_LIB(jack, jack_client_open,
+ [api="$api -D__UNIX_JACK__"
+ req="$req jack"
+ need_pthread=yes
+ found="$found JACK"
+ LIBS="-ljack $LIBS"],
+ AS_CASE(["$required"], [*" jack "*],
+ AC_MSG_ERROR([JACK support requires the jack library!])))
+])
- # If no audio api flags specified, use ALSA
- AS_IF([test "x$api" = "x" ], [
- AC_MSG_RESULT([using ALSA])
- api="${api} -D__LINUX_ALSA__"
- req="${req} alsa"
- AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR([ALSA support requires the asound library!]))
- ])
- AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR([RtAudio requires the pthread library!]))
- ],
- [*-apple*],[
- # Look for Core flag
- AS_IF([test "x$with_core" = "xyes"], [
- AC_MSG_RESULT([using CoreAudio])
- api="$api -D__MACOSX_CORE__"
- AC_CHECK_HEADER(CoreAudio/CoreAudio.h, [], [AC_MSG_ERROR([CoreAudio header files not found!])] )
- LIBS="$LIBS -framework CoreAudio -framework CoreFoundation"
- ])
- # If no audio api flags specified, use CoreAudio
- AS_IF([test "x$api" = "x" ], [
- AC_MSG_RESULT([using CoreAudio])
- api="${api} -D__MACOSX_CORE__"
- AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
- [],
- [AC_MSG_ERROR([CoreAudio header files not found!])] )
- LIBS="LIBS -framework CoreAudio -framework CoreFoundation"
- ])
- AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR([RtAudio requires the pthread library!]))
- ],
- [*-mingw32*],[
- AS_IF([test "x$with_asio" = "xyes" ], [
- AC_MSG_RESULT([using ASIO])
- api="$api -D__WINDOWS_ASIO__"
- use_asio=yes
- CPPFLAGS="-I$srcdir/include $CPPFLAGS"
- ])
- # Look for DirectSound flag
- AS_IF([test "x$with_ds" = "xyes" ], [
- AC_MSG_RESULT([using DirectSound])
- api="$api -D__WINDOWS_DS__"
- LIBS="-ldsound -lwinmm $LIBS"
- ])
- # Look for WASAPI flag
- AS_IF([test "x$with_wasapi" = "xyes"], [
- AC_MSG_RESULT([using WASAPI])
- api="$api -D__WINDOWS_WASAPI__"
- LIBS="-lwinmm -luuid -lksuser $LIBS"
- CPPFLAGS="-I$srcdir/include $CPPFLAGS"
- ])
- # If no audio api flags specified, use DS
- AS_IF([test "x$api" = "x" ], [
- AC_MSG_RESULT([using DirectSound])
- api="$api -D__WINDOWS_DS__"
- LIBS="-ldsound -lwinmm $LIBS"
- ])
- LIBS="-lole32 $LIBS"
- ],[
+AS_CASE(["$systems"], [*" core "*], [
+ AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
+ [api="$api -D__MACOSX_CORE__"
+ need_pthread=yes
+ found="$found CoreAudio",
+ LIBS="$LIBS -framework CoreAudio -framework CoreFoundation"],
+ AS_CASE(["$required"], [*" core "*],
+ AC_MSG_ERROR([CoreAudio header files not found!])))
+])
+
+AS_CASE(["$systems"], [*" asio "*], [
+ api="$api -D__WINDOWS_ASIO__"
+ use_asio=yes
+ CPPFLAGS="-I$srcdir/include $CPPFLAGS"
+ need_ole32=yes
+ found="$found ASIO"
+])
+
+AS_CASE(["$systems"], [*" ds "*], [
+ api="$api -D__WINDOWS_DS__"
+ need_ole32=yes
+ found="$found DirectSound"
+ LIBS="-ldsound -lwinmm $LIBS"
+])
+
+AS_CASE(["$systems"], [*" wasapi "*], [
+ api="$api -D__WINDOWS_WASAPI__"
+ CPPFLAGS="-I$srcdir/include $CPPFLAGS"
+ need_ole32=yes
+ found="$found WASAPI"
+ LIBS="-lwinmm -luuid -lksuser $LIBS"
+])
+
+AS_IF([test -n "$need_ole32"], [LIBS="-lole32 $LIBS"])
+
+AS_IF([test -n "$need_pthread"],[
+ AC_MSG_CHECKING([for pthread])
+ AC_CHECK_LIB(pthread, pthread_create, ,
+ AC_MSG_ERROR([RtAudio requires the pthread library!]))])
+
+AC_MSG_CHECKING([for audio API])
+
+# Error case: no known realtime systems found.
+AS_IF([test x"$api" = "x"], [
AC_MSG_RESULT([none])
- # Default case for unknown realtime systems.
AC_MSG_ERROR([Unknown system type for realtime support!])
- ]
-)
+], [
+ AC_MSG_RESULT([$found])
+])
AM_CONDITIONAL( ASIO, [test "x${use_asio}" = "xyes" ])
projects / rtaudio.git / commitdiff