1 # Process this file with autoconf to produce a configure script.
2 AC_INIT(RtAudio, 4.1.1, gary@music.mcgill.ca, rtaudio)
3 AC_CONFIG_AUX_DIR(config)
4 AC_CONFIG_SRCDIR(RtAudio.cpp)
5 AC_CONFIG_FILES([rtaudio-config librtaudio.pc Makefile tests/Makefile])
7 # Fill GXX with something before test.
8 AC_SUBST( GXX, ["no"] )
10 dnl Check for pkg-config program, used for configuring some libraries.
11 m4_define_default([PKG_PROG_PKG_CONFIG],
12 [AC_MSG_CHECKING([pkg-config])
17 dnl If the pkg-config autoconf support isn't installed, define its
18 dnl autoconf macro to disable any packages depending on it.
19 m4_define_default([PKG_CHECK_MODULES],
20 [AC_MSG_CHECKING([$1])
24 # Checks for programs.
25 AC_PROG_CXX(g++ CC c++ cxx)
27 AC_PATH_PROG(AR, ar, no)
28 if [[ $AR = "no" ]] ; then
29 AC_MSG_ERROR("Could not find ar - needed to create a library");
32 # Checks for header files.
34 AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
36 # Check version number coherency between RtAudio.h and configure.ac
37 AC_MSG_CHECKING([that version numbers are coherent])
39 [AC_LANG_PROGRAM([#include <string.h>
40 `grep "define RTAUDIO_VERSION" $srcdir/RtAudio.h`],
41 [return strcmp(RTAUDIO_VERSION, PACKAGE_VERSION);])],
42 [AC_MSG_RESULT([yes])],
43 [AC_MSG_FAILURE([testing RTAUDIO_VERSION==PACKAGE_VERSION failed, check that RtAudio.h defines RTAUDIO_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])])
46 AC_MSG_CHECKING(whether to compile debug version)
48 [ --enable-debug = enable various debug output],
49 [AC_SUBST( cppflag, [-D__RTAUDIO_DEBUG__] ) AC_SUBST( cxxflag, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
50 [AC_SUBST( cppflag, [] ) AC_SUBST( cxxflag, [-O2] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
52 # Checks for functions
53 AC_CHECK_FUNC(gettimeofday, [cppflag="$cppflag -DHAVE_GETTIMEOFDAY"], )
55 # Set paths if prefix is defined
56 if test "x$prefix" != "x" && test "x$prefix" != "xNONE"; then
57 LIBS="$LIBS -L$prefix/lib"
58 CPPFLAGS="$CPPFLAGS -I$prefix/include"
62 CPPFLAGS="$CPPFLAGS $cppflag"
64 # For debugging and optimization ... overwrite default because it has both -g and -O2
65 #CXXFLAGS="$CXXFLAGS $cxxflag"
68 # Check compiler and use -Wall if gnu.
69 if [test $GXX = "yes" ;] then
70 AC_SUBST( cxxflag, ["-Wall -Wextra"] )
73 CXXFLAGS="$CXXFLAGS $cxxflag"
77 AC_SUBST( sharedlib, ["librtaudio.so"] )
78 AC_SUBST( sharedname, ["librtaudio.so.\$(RELEASE)"] )
79 AC_SUBST( libflags, ["-shared -Wl,-soname,\$(SHARED).\$(MAJOR) -o \$(SHARED).\$(RELEASE)"] )
82 AC_SUBST( sharedlib, ["librtaudio.dylib"] )
83 AC_SUBST( sharedname, ["librtaudio.\$(RELEASE).dylib"] )
84 AC_SUBST( libflags, ["-dynamiclib -o librtaudio.\$(RELEASE).dylib"] )
87 # Checks for package options and external software
90 AC_MSG_CHECKING(for audio API)
93 AC_MSG_RESULT(using OSS)
94 api="$api -D__LINUX_OSS__"
95 LIBS="$LIBS -lossaudio"
96 AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
100 AC_ARG_WITH(jack, [ --with-jack = choose JACK server support (mac and linux only)], [
101 api="$api -D__UNIX_JACK__"
102 AC_MSG_RESULT(using JACK)
103 AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))
104 AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(Jack support also requires the asound library!))], )
107 AC_ARG_WITH(alsa, [ --with-alsa = choose native ALSA API support (linux only)], [
108 api="$api -D__LINUX_ALSA__"
110 AC_MSG_RESULT(using ALSA)
111 AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))], )
113 # Look for PULSE flag
114 AC_ARG_WITH(pulse, [ --with-pulse = choose PulseAudio API support (linux only)], [
115 api="$api -D__LINUX_PULSE__"
116 req="$req libpulse-simple"
117 AC_MSG_RESULT(using PulseAudio)
118 AC_CHECK_LIB(pulse-simple, pa_simple_flush, , AC_MSG_ERROR(PulseAudio support requires the pulse-simple library!))], )
121 AC_ARG_WITH(oss, [ --with-oss = choose OSS API support (linux only)], [
122 api="$api -D__LINUX_OSS__"
123 AC_MSG_RESULT(using OSS)], )
125 # If no audio api flags specified, use ALSA
126 if [test "$api" == "";] then
127 AC_MSG_RESULT(using ALSA)
128 AC_SUBST( api, [-D__LINUX_ALSA__] )
130 AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
133 AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
137 AC_ARG_WITH(jack, [ --with-jack = choose JACK server support (unix only)], [
138 api="$api -D__UNIX_JACK__"
139 AC_MSG_RESULT(using JACK)
140 AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))], )
142 # AC_CHECK_HEADER(jack/jack.h, [], [AC_MSG_ERROR(Jack header file not found!)] )
143 # LIBS="$LIBS -framework jackmp" ], )
147 AC_ARG_WITH(core, [ --with-core = choose CoreAudio API support (mac only)], [
148 api="$api -D__MACOSX_CORE__"
149 AC_MSG_RESULT(using CoreAudio)
150 AC_CHECK_HEADER(CoreAudio/CoreAudio.h, [], [AC_MSG_ERROR(CoreAudio header files not found!)] )
151 LIBS="$LIBS -framework CoreAudio -framework CoreFoundation" ], )
153 # If no audio api flags specified, use CoreAudio
154 if [test "$api" == ""; ] then
155 AC_SUBST( api, [-D__MACOSX_CORE__] )
156 AC_MSG_RESULT(using CoreAudio)
157 AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
159 [AC_MSG_ERROR(CoreAudio header files not found!)] )
160 AC_SUBST( LIBS, ["-framework CoreAudio -framework CoreFoundation"] )
163 AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
167 AC_ARG_WITH(asio, [ --with-asio = choose ASIO API support (windoze only)], [
168 api="$api -D__WINDOWS_ASIO__"
169 AC_MSG_RESULT(using ASIO)
170 AC_SUBST( objects, ["asio.o asiodrivers.o asiolist.o iasiothiscallresolver.o"] ) ], )
172 # Look for DirectSound flag
173 AC_ARG_WITH(ds, [ --with-ds = choose DirectSound API support (windoze only)], [
174 api="$api -D__WINDOWS_DS__"
175 AC_MSG_RESULT(using DirectSound)
176 LIBS="-ldsound -lwinmm $LIBS" ], )
178 # Look for WASAPI flag
179 AC_ARG_WITH(wasapi, [ --with-wasapi = choose Windows Audio Session API support (windoze only)], [
180 api="$api -D__WINDOWS_WASAPI__"
181 AC_MSG_RESULT(using WASAPI)
182 LIBS="-lwinmm -luuid -lksuser $LIBS" ], )
184 # If no audio api flags specified, use DS
185 if [test "$api" == "";] then
186 AC_SUBST( api, [-D__WINDOWS_DS__] )
187 AC_MSG_RESULT(using DirectSound)
188 LIBS="-ldsound -lwinmm $LIBS"
195 # Default case for unknown realtime systems.
196 AC_MSG_ERROR(Unknown system type for realtime support!)
200 CPPFLAGS="$CPPFLAGS $api"
204 chmod oug+x rtaudio-config