# Process this file with autoconf to produce a configure script.
-AC_INIT(RtAudio, 4.0, gary@music.mcgill.ca, rtaudio)
+AC_INIT(RtAudio, 4.1.1, gary@music.mcgill.ca, rtaudio)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_SRCDIR(RtAudio.cpp)
-AC_CONFIG_FILES([rtaudio-config Makefile tests/Makefile])
+AC_CONFIG_FILES([rtaudio-config librtaudio.pc Makefile tests/Makefile])
# Fill GXX with something before test.
AC_SUBST( GXX, ["no"] )
+dnl Check for pkg-config program, used for configuring some libraries.
+m4_define_default([PKG_PROG_PKG_CONFIG],
+[AC_MSG_CHECKING([pkg-config])
+AC_MSG_RESULT([no])])
+
+PKG_PROG_PKG_CONFIG
+
+dnl If the pkg-config autoconf support isn't installed, define its
+dnl autoconf macro to disable any packages depending on it.
+m4_define_default([PKG_CHECK_MODULES],
+[AC_MSG_CHECKING([$1])
+AC_MSG_RESULT([no])
+$4])
+
# Checks for programs.
AC_PROG_CXX(g++ CC c++ cxx)
AC_PROG_RANLIB
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
+# Check version number coherency between RtAudio.h and configure.ac
+AC_MSG_CHECKING([that version numbers are coherent])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([#include <string.h>
+ `grep "define RTAUDIO_VERSION" $srcdir/RtAudio.h`],
+ [return strcmp(RTAUDIO_VERSION, PACKAGE_VERSION);])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_FAILURE([testing RTAUDIO_VERSION==PACKAGE_VERSION failed, check that RtAudio.h defines RTAUDIO_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])])
+
# Check for debug
AC_MSG_CHECKING(whether to compile debug version)
AC_ARG_ENABLE(debug,
[AC_SUBST( cppflag, [-D__RTAUDIO_DEBUG__] ) AC_SUBST( cxxflag, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
[AC_SUBST( cppflag, [] ) AC_SUBST( cxxflag, [-O2] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
-
# Checks for functions
AC_CHECK_FUNC(gettimeofday, [cppflag="$cppflag -DHAVE_GETTIMEOFDAY"], )
+# Set paths if prefix is defined
+if test "x$prefix" != "x" && test "x$prefix" != "xNONE"; then
+ LIBS="$LIBS -L$prefix/lib"
+ CPPFLAGS="$CPPFLAGS -I$prefix/include"
+fi
+
# For -I and -D flags
CPPFLAGS="$CPPFLAGS $cppflag"
# Check compiler and use -Wall if gnu.
if [test $GXX = "yes" ;] then
- AC_SUBST( cxxflag, [-Wall] )
+ AC_SUBST( cxxflag, ["-Wall -Wextra"] )
fi
CXXFLAGS="$CXXFLAGS $cxxflag"
AC_SUBST( sharedlib, ["librtaudio.so"] )
AC_SUBST( sharedname, ["librtaudio.so.\$(RELEASE)"] )
-AC_SUBST( libflags, ["-shared -Wl,-soname,\$(SHAREDLIB).\$(MAJOR) -o \$(SHAREDLIB).\$(RELEASE)"] )
+AC_SUBST( libflags, ["-shared -Wl,-soname,\$(SHARED).\$(MAJOR) -o \$(SHARED).\$(RELEASE)"] )
case $host in
*-apple*)
AC_SUBST( sharedlib, ["librtaudio.dylib"] )
# Checks for package options and external software
AC_SUBST( api, [""] )
+AC_SUBST( req, [""] )
AC_MSG_CHECKING(for audio API)
case $host in
*-*-netbsd*)
# Look for ALSA flag
AC_ARG_WITH(alsa, [ --with-alsa = choose native ALSA API support (linux only)], [
api="$api -D__LINUX_ALSA__"
+ req="$req alsa"
AC_MSG_RESULT(using ALSA)
AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))], )
+ # Look for PULSE flag
+ AC_ARG_WITH(pulse, [ --with-pulse = choose PulseAudio API support (linux only)], [
+ api="$api -D__LINUX_PULSE__"
+ req="$req libpulse-simple"
+ AC_MSG_RESULT(using PulseAudio)
+ AC_CHECK_LIB(pulse-simple, pa_simple_flush, , AC_MSG_ERROR(PulseAudio support requires the pulse-simple library!))], )
+
# Look for OSS flag
AC_ARG_WITH(oss, [ --with-oss = choose OSS API support (linux only)], [
api="$api -D__LINUX_OSS__"
if [test "$api" == "";] then
AC_MSG_RESULT(using ALSA)
AC_SUBST( api, [-D__LINUX_ALSA__] )
+ req="$req alsa"
AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
fi
AC_MSG_RESULT(using DirectSound)
LIBS="-ldsound -lwinmm $LIBS" ], )
- # If no audio api flags specified, use DirectSound
+ # Look for WASAPI flag
+ AC_ARG_WITH(wasapi, [ --with-wasapi = choose Windows Audio Session API support (windoze only)], [
+ api="$api -D__WINDOWS_WASAPI__"
+ AC_MSG_RESULT(using WASAPI)
+ LIBS="-lwinmm -luuid -lksuser $LIBS" ], )
+
+ # If no audio api flags specified, use DS
if [test "$api" == "";] then
AC_SUBST( api, [-D__WINDOWS_DS__] )
AC_MSG_RESULT(using DirectSound)