Do not require a program to compile/run to check for version coherency
[rtaudio.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 AC_INIT(RtAudio, 5.0.0, gary@music.mcgill.ca, rtaudio)
3 AC_CONFIG_AUX_DIR(config)
4 AC_CONFIG_SRCDIR(RtAudio.cpp)
5 AC_CONFIG_FILES([rtaudio.pc Makefile tests/Makefile doc/Makefile doc/doxygen/Doxyfile])
6 AM_INIT_AUTOMAKE([1.14 -Wall -Werror foreign subdir-objects])
7
8 # libtool version: current:revision:age
9 #
10 # If the library source code has changed at all since the last update, then
11 # increment revision (`c:r:a' becomes `c:r+1:a').
12 #
13 # If any interfaces have been added, removed, or changed since the last update,
14 # increment current, and set revision to 0.
15 #
16 # If any interfaces have been added since the last public release, then
17 # increment age.
18 #
19 # If any interfaces have been removed since the last public release, then set
20 # age to 0.
21 m4_define([lt_current], 6)
22 m4_define([lt_revision], 0)
23 m4_define([lt_age], 0)
24
25 m4_define([lt_version_info], [lt_current:lt_revision:lt_age])
26 m4_define([lt_current_minus_age], [m4_eval(lt_current - lt_age)])
27
28 SO_VERSION=lt_version_info
29 AC_SUBST(SO_VERSION)
30 AC_SUBST(api)
31 AC_SUBST(req)
32
33 api=""
34 req=""
35
36 # Check version number coherency between RtAudio.h and configure.ac
37 AC_MSG_CHECKING([that version numbers are coherent])
38 RTAUDIO_VERSION=`sed -n 's/#define RTAUDIO_VERSION "\(.*\)"/\1/p' $srcdir/RtAudio.h`
39 AS_IF(
40    [test "x$RTAUDIO_VERSION" != "x$PACKAGE_VERSION"],
41    [AC_MSG_FAILURE([testing RTAUDIO_VERSION==PACKAGE_VERSION failed, check that RtAudio.h defines RTAUDIO_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])]
42 )
43 # Enable some nice automake features if they are available
44 m4_ifdef([AM_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
45 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
46
47 # Fill GXX with something before test.
48 GXX = "no"
49
50 dnl Check for pkg-config program, used for configuring some libraries.
51 m4_define_default([PKG_PROG_PKG_CONFIG],
52 [AC_MSG_CHECKING([pkg-config])
53 AC_MSG_RESULT([no])])
54
55 PKG_PROG_PKG_CONFIG
56
57 dnl If the pkg-config autoconf support isn't installed, define its
58 dnl autoconf macro to disable any packages depending on it.
59 m4_define_default([PKG_CHECK_MODULES],
60 [AC_MSG_CHECKING([$1])
61 AC_MSG_RESULT([no])
62 $4])
63
64 # Check for debug
65 AC_MSG_CHECKING(whether to compile debug version)
66 AC_ARG_ENABLE(debug,
67   [AS_HELP_STRING([--enable-debug],[enable various debug output])],
68   [: ${CXXFLAGS="-g -O0"};] [AC_DEFINE([__RTAUDIO_DEBUG__])],
69   [: ${CXXFLAGS="-O3"}])
70
71 # Checks for programs.
72 AC_PROG_CXX(g++ CC c++ cxx)
73 AM_PROG_AR
74 AC_PATH_PROG(AR, ar, no)
75 AS_IF([test "x${AR} = "xno" ], [
76     AC_MSG_ERROR("Could not find ar - needed to create a library");
77 ])
78
79 # Initialize libtool
80 LT_INIT([win32-dll])
81 AC_CONFIG_MACRO_DIR([m4])
82
83 # Checks for header files.
84 AC_HEADER_STDC
85 AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
86
87 # Check compiler and use -Wall if gnu
88 AS_IF([test "x${GXX} = "xyes" ], [
89   CXXFLAGS="${CXXFLAGS} -Wall -Wextra"
90   # Add -Werror in debug mode
91   if test x"${enable_debug+set}" = xset; then
92     CXXFLAGS="${CXXFLAGS} -Werror"
93   fi
94 ])
95
96 # Checks for functions
97 AC_CHECK_FUNC(gettimeofday, [cppflag="$cppflag -DHAVE_GETTIMEOFDAY"], )
98
99 # Checks for doxygen
100 AC_CHECK_PROG( DOXYGEN, [doxygen], [doxygen] )
101 AM_CONDITIONAL( MAKE_DOC, [test "x${DOXYGEN}" != x] )
102
103 # Copy doc files to build dir if necessary
104 AC_CONFIG_LINKS( [doc/release.txt:doc/release.txt] )
105 AC_CONFIG_LINKS( [doc/doxygen/footer.html:doc/doxygen/footer.html] )
106 AC_CONFIG_LINKS( [doc/doxygen/error.txt:doc/doxygen/error.txt] )
107 AC_CONFIG_LINKS( [doc/doxygen/tutorial.txt:doc/doxygen/tutorial.txt] )
108 AC_CONFIG_LINKS( [doc/doxygen/compiling.txt:doc/doxygen/compiling.txt] )
109 AC_CONFIG_LINKS( [doc/doxygen/acknowledge.txt:doc/doxygen/acknowledge.txt] )
110 AC_CONFIG_LINKS( [doc/doxygen/license.txt:doc/doxygen/license.txt] )
111 AC_CONFIG_LINKS( [doc/doxygen/header.html:doc/doxygen/header.html] )
112 AC_CONFIG_LINKS( [doc/doxygen/duplex.txt:doc/doxygen/duplex.txt] )
113 AC_CONFIG_LINKS( [doc/doxygen/settings.txt:doc/doxygen/settings.txt] )
114 AC_CONFIG_LINKS( [doc/doxygen/probe.txt:doc/doxygen/probe.txt] )
115 AC_CONFIG_LINKS( [doc/doxygen/playback.txt:doc/doxygen/playback.txt] )
116 AC_CONFIG_LINKS( [doc/doxygen/multi.txt:doc/doxygen/multi.txt] )
117 AC_CONFIG_LINKS( [doc/doxygen/recording.txt:doc/doxygen/recording.txt] )
118 AC_CONFIG_LINKS( [doc/doxygen/apinotes.txt:doc/doxygen/apinotes.txt] )
119 AC_CONFIG_LINKS( [doc/images/mcgill.gif:doc/images/mcgill.gif] )
120 AC_CONFIG_LINKS( [doc/images/ccrma.gif:doc/images/ccrma.gif] )
121
122 # Checks for package options and external software
123 AC_CANONICAL_HOST
124
125 AC_MSG_CHECKING(for audio API)
126
127 AC_ARG_WITH(jack, [  --with-jack = choose JACK server support (mac and linux only)])
128 AS_IF([test "x$with_jack" = "xyes"], [
129   AC_MSG_RESULT(using JACK)
130   AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))
131   api="$api -D__UNIX_JACK__"
132 ])
133
134 case $host in
135   *-*-netbsd*)
136   AS_IF([test "x$api" = "x"], [
137     AC_MSG_RESULT(using OSS)
138     api="$api -D__LINUX_OSS__"
139     AC_CHECK_LIB(ossaudio, main, , AC_MSG_ERROR([RtAudio requires the ossaudio library]))
140     AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
141   ])
142   ;;
143
144   *-*-freebsd*)
145   AS_IF([test "x$api" = "x"], [
146     AC_MSG_RESULT(using OSS)
147     api="$api -D__LINUX_OSS__"
148     AC_CHECK_LIB(ossaudio, main, , AC_MSG_ERROR([RtAudio requires the ossaudio library]))
149     AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
150   ])
151   ;;
152
153   *-*-linux*)
154   # Look for ALSA flag
155   AC_ARG_WITH(alsa, [  --with-alsa = choose native ALSA API support (linux only)])
156   AS_IF([test "x$with_alsa" = "xyes"], [
157     AC_MSG_RESULT(using ALSA)
158     api="$api -D__LINUX_ALSA__"
159     req="$req alsa"
160     AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
161   ])
162
163   # Look for PULSE flag
164   AC_ARG_WITH(pulse, [  --with-pulse = choose PulseAudio API support (linux only)])
165   AS_IF([test "x$with_pulse" = "xyes"], [
166     AC_MSG_RESULT(using PulseAudio)
167     api="$api -D__LINUX_PULSE__"
168     req="$req libpulse-simple"
169     AC_CHECK_LIB(pulse-simple, pa_simple_flush, , AC_MSG_ERROR(PulseAudio support requires the pulse-simple library!))
170   ])
171
172   # Look for OSS flag
173   AC_ARG_WITH(oss, [  --with-oss = choose OSS API support (unixes)])
174   AS_IF([test "x$with_oss" = "xyes"], [
175     AC_MSG_RESULT(using OSS)
176     api="$api -D__LINUX_OSS__"
177   ])
178
179   # If no audio api flags specified, use ALSA
180   AS_IF([test "x$api" = "x" ], [
181     AC_MSG_RESULT(using ALSA)
182     api="${api} -D__LINUX_ALSA__"
183     req="${req} alsa"
184     AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
185   ])
186   AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
187   ;;
188
189   *-apple*)
190   # Look for Core flag
191   AC_ARG_WITH(core, [  --with-core = choose CoreAudio API support (mac only)])
192   AS_IF([test "x$with_core" = "xyes"], [
193     AC_MSG_RESULT(using CoreAudio)
194     api="$api -D__MACOSX_CORE__"
195     AC_CHECK_HEADER(CoreAudio/CoreAudio.h, [], [AC_MSG_ERROR(CoreAudio header files not found!)] )
196     LIBS="$LIBS -framework CoreAudio -framework CoreFoundation"
197   ])
198
199   # If no audio api flags specified, use CoreAudio
200   AS_IF([test "x$api" = "x" ], [
201     AC_MSG_RESULT(using CoreAudio)
202     api="${api} -D__MACOSX_CORE__"
203     AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
204       [],
205       [AC_MSG_ERROR(CoreAudio header files not found!)] )
206     LIBS="LIBS -framework CoreAudio -framework CoreFoundation"
207   ])
208
209   AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
210   ;;
211
212   *-mingw32*)
213   AC_ARG_WITH(asio, [  --with-asio = choose ASIO API support (windoze only)])
214   AS_IF([test "x$with_asio" = "xyes" ], [
215     AC_MSG_RESULT(using ASIO)
216     api="$api -D__WINDOWS_ASIO__"
217     AC_SUBST( objects, ["asio.o asiodrivers.o asiolist.o iasiothiscallresolver.o"] )
218   ])
219
220   # Look for DirectSound flag
221   AC_ARG_WITH(ds, [  --with-ds = choose DirectSound API support (windoze only)])
222   AS_IF([test "x$with_ds" = "xyes" ], [
223     AC_MSG_RESULT(using DirectSound)
224     api="$api -D__WINDOWS_DS__"
225     LIBS="-ldsound -lwinmm $LIBS"
226   ])
227
228   # Look for WASAPI flag
229   AC_ARG_WITH(wasapi, [  --with-wasapi = choose Windows Audio Session API support (windoze only)])
230   AS_IF([test "x$with_wasapi" = "xyes"], [
231     AC_MSG_RESULT(using WASAPI)
232     api="$api -D__WINDOWS_WASAPI__"
233     LIBS="-lwinmm -luuid -lksuser $LIBS"
234   ])
235
236   # If no audio api flags specified, use DS
237   AS_IF([test "x$api" = "x" ], [
238     AC_MSG_RESULT(using DirectSound)
239     api="$api -D__WINDOWS_DS__"
240     LIBS="-ldsound -lwinmm $LIBS"
241   ])
242
243   LIBS="-lole32 $LIBS"
244   ;;
245
246   *)
247   # Default case for unknown realtime systems.
248   AC_MSG_ERROR(Unknown system type for realtime support!)
249   ;;
250 esac
251
252 CPPFLAGS="$CPPFLAGS $api"
253
254 AC_OUTPUT