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# Process this file with autoconf to produce a configure script.
AC_INIT(RtAudio, 2.1, gary@ccrma.stanford.edu, rtaudio)
AC_CONFIG_SRCDIR(RtAudio.cpp)
AC_CONFIG_FILES(tests/Makefile)
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX(CC g++ c++ cxx)
# Checks for libraries.
AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
# Check for debug
AC_MSG_CHECKING(whether to compile debug version)
AC_ARG_ENABLE(debug,
[ --enable-debug = enable various debug output],
[AC_SUBST( debug, [-D__RTAUDIO_DEBUG__] ) AC_SUBST( cflags, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
[AC_SUBST( debug, [] ) AC_SUBST( cflags, [-O2] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
# Check compiler and use -Wall if gnu.
if test $GXX = "yes" ; then
AC_SUBST( warn, [-Wall] )
fi
# Checks for package options and external software
AC_CANONICAL_HOST
AC_MSG_CHECKING(for audio API)
case $host in
*-*-linux*)
AC_ARG_WITH(alsa, [ --with-alsa = choose native ALSA API support (linux only)], [AC_SUBST( sound_api, [-D__LINUX_ALSA__] ) AC_MSG_RESULT(using ALSA) ], [AC_SUBST( sound_api, [-D__LINUX_OSS__] ) AC_MSG_RESULT(using OSS)])
if test $sound_api = -D__LINUX_ALSA__; then
AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
fi
;;
*-sgi*)
AC_SUBST( sound_api, [-D__IRIX_AL__] )
AC_MSG_RESULT(using IRIX AL)
AC_CHECK_LIB(audio, alOpenPort, , AC_MSG_ERROR(IRIX audio support requires the audio library!) )
;;
*-apple*)
# Check for CoreAudio framework
AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
[AC_SUBST( sound_api, [-D__MACOSX_CORE__] )],
[AC_MSG_ERROR(CoreAudio header files not found!)] )
AC_SUBST( frameworks, ["-framework CoreAudio"] )
AC_CHECK_LIB(stdc++, printf, , AC_MSG_ERROR(RtAudio requires the C++ library!) )
;;
*)
# Default case for unknown realtime systems.
AC_MSG_ERROR(Unknown system type for realtime support!)
;;
esac
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_OUTPUT
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