Getting rid of repeated and useless calls to AC_SUBST
[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 AC_RUN_IFELSE(
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.])])
44
45 # Enable some nice automake features if they are available
46 m4_ifdef([AM_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
47 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
48
49 # Fill GXX with something before test.
50 GXX = "no"
51
52 dnl Check for pkg-config program, used for configuring some libraries.
53 m4_define_default([PKG_PROG_PKG_CONFIG],
54 [AC_MSG_CHECKING([pkg-config])
55 AC_MSG_RESULT([no])])
56
57 PKG_PROG_PKG_CONFIG
58
59 dnl If the pkg-config autoconf support isn't installed, define its
60 dnl autoconf macro to disable any packages depending on it.
61 m4_define_default([PKG_CHECK_MODULES],
62 [AC_MSG_CHECKING([$1])
63 AC_MSG_RESULT([no])
64 $4])
65
66 # Check for debug
67 AC_MSG_CHECKING(whether to compile debug version)
68 AC_ARG_ENABLE(debug,
69   [AS_HELP_STRING([--enable-debug],[enable various debug output])],
70   [: ${CXXFLAGS="-g -O0"};] [AC_DEFINE([__RTAUDIO_DEBUG__])],
71   [: ${CXXFLAGS="-O3"}])
72
73 # Checks for programs.
74 AC_PROG_CXX(g++ CC c++ cxx)
75 AM_PROG_AR
76 AC_PATH_PROG(AR, ar, no)
77 if [[ $AR = "no" ]] ; then
78     AC_MSG_ERROR("Could not find ar - needed to create a library");
79 fi
80
81 # Initialize libtool
82 LT_INIT([win32-dll])
83 AC_CONFIG_MACRO_DIR([m4])
84
85 # Checks for header files.
86 AC_HEADER_STDC
87 AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
88
89 # Check compiler and use -Wall if gnu
90 if test x"$GXX" = "xyes"; then
91   CXXFLAGS="${CXXFLAGS} -Wall -Wextra"
92   # Add -Werror in debug mode
93   if test x"${enable_debug+set}" = xset; then
94     CXXFLAGS="${CXXFLAGS} -Werror"
95   fi
96 fi
97
98 # Checks for functions
99 AC_CHECK_FUNC(gettimeofday, [cppflag="$cppflag -DHAVE_GETTIMEOFDAY"], )
100
101 # Checks for doxygen
102 AC_CHECK_PROG( DOXYGEN, [doxygen], [doxygen] )
103 AM_CONDITIONAL( MAKE_DOC, [test "x${DOXYGEN}" != x] )
104
105 # Copy doc files to build dir if necessary
106 AC_CONFIG_LINKS( [doc/release.txt:doc/release.txt] )
107 AC_CONFIG_LINKS( [doc/doxygen/footer.html:doc/doxygen/footer.html] )
108 AC_CONFIG_LINKS( [doc/doxygen/error.txt:doc/doxygen/error.txt] )
109 AC_CONFIG_LINKS( [doc/doxygen/tutorial.txt:doc/doxygen/tutorial.txt] )
110 AC_CONFIG_LINKS( [doc/doxygen/compiling.txt:doc/doxygen/compiling.txt] )
111 AC_CONFIG_LINKS( [doc/doxygen/acknowledge.txt:doc/doxygen/acknowledge.txt] )
112 AC_CONFIG_LINKS( [doc/doxygen/license.txt:doc/doxygen/license.txt] )
113 AC_CONFIG_LINKS( [doc/doxygen/header.html:doc/doxygen/header.html] )
114 AC_CONFIG_LINKS( [doc/doxygen/duplex.txt:doc/doxygen/duplex.txt] )
115 AC_CONFIG_LINKS( [doc/doxygen/settings.txt:doc/doxygen/settings.txt] )
116 AC_CONFIG_LINKS( [doc/doxygen/probe.txt:doc/doxygen/probe.txt] )
117 AC_CONFIG_LINKS( [doc/doxygen/playback.txt:doc/doxygen/playback.txt] )
118 AC_CONFIG_LINKS( [doc/doxygen/multi.txt:doc/doxygen/multi.txt] )
119 AC_CONFIG_LINKS( [doc/doxygen/recording.txt:doc/doxygen/recording.txt] )
120 AC_CONFIG_LINKS( [doc/doxygen/apinotes.txt:doc/doxygen/apinotes.txt] )
121 AC_CONFIG_LINKS( [doc/images/mcgill.gif:doc/images/mcgill.gif] )
122 AC_CONFIG_LINKS( [doc/images/ccrma.gif:doc/images/ccrma.gif] )
123
124 # Checks for package options and external software
125 AC_CANONICAL_HOST
126
127 AC_MSG_CHECKING(for audio API)
128
129 AC_ARG_WITH(jack, [  --with-jack = choose JACK server support (mac and linux only)])
130 AS_IF([test "x$with_jack" == "xyes"], [
131   api="$api -D__UNIX_JACK__"
132   AC_MSG_RESULT(using JACK)
133   AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))])
134
135 case $host in
136   *-*-netbsd*)
137   AS_IF([test "$api" == ""], [
138     AC_MSG_RESULT(using OSS)
139     api="$api -D__LINUX_OSS__"
140     LIBS="$LIBS -lossaudio"
141     AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))])
142   ;;
143
144   *-*-freebsd*)
145   AS_IF([test "$api" == ""], [
146     AC_MSG_RESULT(using OSS)
147     api="$api -D__LINUX_OSS__"
148     LIBS="$LIBS -lossaudio"
149     AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))])
150   ;;
151
152   *-*-linux*)
153   # Look for ALSA flag
154   AC_ARG_WITH(alsa, [  --with-alsa = choose native ALSA API support (linux only)])
155   AS_IF([test "x$with_alsa" == "xyes"], [
156     api="$api -D__LINUX_ALSA__"
157     req="$req alsa"
158     AC_MSG_RESULT(using ALSA)
159     AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))])
160
161   # Look for PULSE flag
162   AC_ARG_WITH(pulse, [  --with-pulse = choose PulseAudio API support (linux only)])
163   AS_IF([test "x$with_pulse" == "xyes"], [
164     api="$api -D__LINUX_PULSE__"
165     req="$req libpulse-simple"
166     AC_MSG_RESULT(using PulseAudio)
167     AC_CHECK_LIB(pulse-simple, pa_simple_flush, , AC_MSG_ERROR(PulseAudio support requires the pulse-simple library!))])
168
169   # Look for OSS flag
170   AC_ARG_WITH(oss, [  --with-oss = choose OSS API support (unixes)])
171   AS_IF([test "x$with_oss" == "xyes"], [
172     api="$api -D__LINUX_OSS__"
173     AC_MSG_RESULT(using OSS)])
174
175   # If no audio api flags specified, use ALSA
176   if [test "$api" == "";] then
177     AC_MSG_RESULT(using ALSA)
178     api="${api} -D__LINUX_ALSA__"
179     req="${req} alsa"
180     AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
181   fi
182
183   AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
184   ;;
185
186   *-apple*)
187   # Look for Core flag
188   AC_ARG_WITH(core, [  --with-core = choose CoreAudio API support (mac only)])
189   AS_IF([test "x$with_core" == "xyes"], [
190     api="$api -D__MACOSX_CORE__"
191     AC_MSG_RESULT(using CoreAudio)
192     AC_CHECK_HEADER(CoreAudio/CoreAudio.h, [], [AC_MSG_ERROR(CoreAudio header files not found!)] )
193     LIBS="$LIBS -framework CoreAudio -framework CoreFoundation" ])
194
195   # If no audio api flags specified, use CoreAudio
196   if [test "$api" == ""; ] then
197     AC_MSG_RESULT(using CoreAudio)
198     api="${api} -D__MACOSX_CORE__"
199     AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
200       [],
201       [AC_MSG_ERROR(CoreAudio header files not found!)] )
202     AC_SUBST( LIBS, ["-framework CoreAudio -framework CoreFoundation"] )
203   fi
204
205   AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
206   ;;
207
208   *-mingw32*)
209   AC_ARG_WITH(asio, [  --with-asio = choose ASIO API support (windoze only)])
210   AS_IF([test "x$with_asio" == "xyes"], [
211     api="$api -D__WINDOWS_ASIO__"
212     AC_MSG_RESULT(using ASIO)
213     AC_SUBST( objects, ["asio.o asiodrivers.o asiolist.o iasiothiscallresolver.o"] ) ])
214
215   # Look for DirectSound flag
216   AC_ARG_WITH(ds, [  --with-ds = choose DirectSound API support (windoze only)])
217   AS_IF([test "x$with_ds" == "xyes"], [
218     api="$api -D__WINDOWS_DS__"
219     AC_MSG_RESULT(using DirectSound)
220     LIBS="-ldsound -lwinmm $LIBS" ])
221
222   # Look for WASAPI flag
223   AC_ARG_WITH(wasapi, [  --with-wasapi = choose Windows Audio Session API support (windoze only)])
224   AS_IF([test "x$with_wasapi" == "xyes"], [
225     api="$api -D__WINDOWS_WASAPI__"
226     AC_MSG_RESULT(using WASAPI)
227     LIBS="-lwinmm -luuid -lksuser $LIBS" ])
228
229   # If no audio api flags specified, use DS
230   if [test "$api" == "";] then
231     api="$api -D__WINDOWS_DS__"
232     AC_MSG_RESULT(using DirectSound)
233     LIBS="-ldsound -lwinmm $LIBS"
234   fi
235
236   LIBS="-lole32 $LIBS"
237   ;;
238
239   *)
240   # Default case for unknown realtime systems.
241   AC_MSG_ERROR(Unknown system type for realtime support!)
242   ;;
243 esac
244
245 CPPFLAGS="$CPPFLAGS $api"
246
247 AC_OUTPUT