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configure.ac
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# Process this file with autoconf to produce a configure script.
AC_INIT(RtMidi, 3.0.0, [email protected], rtmidi)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_SRCDIR(RtMidi.cpp)
AC_CONFIG_FILES([rtmidi-config rtmidi.pc Makefile tests/Makefile doc/Makefile doc/doxygen/Doxyfile])
AM_INIT_AUTOMAKE([1.14 -Wall -Werror foreign subdir-objects])
# libtool version: current:revision:age
#
# If the library source code has changed at all since the last update, then
# increment revision (`c:r:a' becomes `c:r+1:a').
#
# If any interfaces have been added, removed, or changed since the last update,
# increment current, and set revision to 0.
#
# If any interfaces have been added since the last public release, then
# increment age.
#
# If any interfaces have been removed since the last public release, then set
# age to 0.
m4_define([lt_current], 4)
m4_define([lt_revision], 0)
m4_define([lt_age], 0)
m4_define([lt_version_info], [lt_current:lt_revision:lt_age])
m4_define([lt_current_minus_age], [m4_eval(lt_current - lt_age)])
SO_VERSION=lt_version_info
AC_SUBST(SO_VERSION)
# Check version number coherency between RtMidi.h and configure.ac
AC_MSG_CHECKING([that version numbers are coherent])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([#include <string.h>
`grep "define RTMIDI_VERSION" $srcdir/RtMidi.h`],
[return strcmp(RTMIDI_VERSION, PACKAGE_VERSION);])],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([testing RTMIDI_VERSION==PACKAGE_VERSION failed, check that RtMidi.h defines RTMIDI_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])])
# Enable some nice automake features if they are available
m4_ifdef([AM_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Fill GXX with something before test.
AC_SUBST( GXX, ["no"] )
AC_SUBST(noinst_LIBRARIES)
# Checks for programs.
AC_PROG_CXX(g++ CC c++ cxx)
AM_PROG_AR
AC_PATH_PROG(AR, ar, no)
if [[ $AR = "no" ]] ; then
AC_MSG_ERROR("Could not find ar - needed to create a library");
fi
LT_INIT([win32-dll])
AC_CONFIG_MACRO_DIR([m4])
# Checks for header files.
AC_HEADER_STDC
#AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
# Check for POSIX semaphore support
AC_CHECK_HEADER([semaphore.h], [
AC_CHECK_LIB(pthread, sem_init,
AC_DEFINE([HAVE_SEMAPHORE],[1],[Define to 1 if you have POSIX semaphore support on your system.]),
AC_MSG_WARN([POSIX semaphore support not found; data may be lost on closePort]))
])
# Check for debug
AC_MSG_CHECKING(whether to compile debug version)
AC_ARG_ENABLE(debug,
[ --enable-debug = enable various debug output],
[AC_SUBST( cppflag, [-D__RTMIDI_DEBUG__] ) AC_SUBST( cxxflag, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
[AC_SUBST( cppflag, [] ) AC_SUBST( cxxflag, [-O3] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
# Set paths if prefix is defined
if test "x$prefix" != "x" && test "x$prefix" != "xNONE"; then
LIBS="$LIBS -L$prefix/lib"
CPPFLAGS="$CPPFLAGS -I$prefix/include/rtmidi"
fi
# For -I and -D flags
CPPFLAGS="$CPPFLAGS $cppflag"
# For debugging and optimization ... overwrite default because it has both -g and -O2
#CXXFLAGS="$CXXFLAGS $cxxflag"
CXXFLAGS="$cxxflag"
# Check compiler and use -Wall if gnu.
if [test $GXX = "yes" ;] then
AC_SUBST( cxxflag, ["-Wall -Wextra"] )
fi
CXXFLAGS="$CXXFLAGS $cxxflag"
# Checks for doxygen
AC_CHECK_PROG( DOXYGEN, [doxygen], [doxygen] )
AM_CONDITIONAL( MAKE_DOC, [test "x${DOXYGEN}" != x] )
# Copy doc files to build dir if necessary
AC_CONFIG_LINKS( [doc/doxygen/footer.html:doc/doxygen/footer.html] )
AC_CONFIG_LINKS( [doc/doxygen/header.html:doc/doxygen/header.html] )
AC_CONFIG_LINKS( [doc/doxygen/tutorial.txt:doc/doxygen/tutorial.txt] )
AC_CONFIG_LINKS( [doc/images/ccrma.gif:doc/images/ccrma.gif] )
AC_CONFIG_LINKS( [doc/images/mcgill.gif:doc/images/mcgill.gif] )
# Checks for package options and external software
AC_CANONICAL_HOST
AC_SUBST( api, [""] )
AC_SUBST( req, [""] )
AC_MSG_CHECKING(for MIDI API)
AC_ARG_WITH(jack, [ --with-jack = choose JACK server support (mac and linux only)])
AS_IF([test "x$with_jack" == "xyes"], [
api="$api -D__UNIX_JACK__"
AC_MSG_RESULT(using JACK)
AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))])
case $host in
*-*-linux*)
# Look for ALSA flag
AC_ARG_WITH(alsa, [ --with-alsa = choose native ALSA sequencer API support (linux only)])
AS_IF([test "x$with_alsa" == "xyes"], [
api="$api -D__LINUX_ALSA__"
req="$req alsa"
AC_MSG_RESULT(using ALSA)
AC_CHECK_LIB(asound, snd_seq_open, , AC_MSG_ERROR(ALSA support requires the asound library!))])
if [test "$api" == "";] then
AC_MSG_RESULT(using ALSA)
AC_SUBST( api, [-D__LINUX_ALSA__] )
req="$req alsa"
AC_CHECK_LIB(asound, snd_seq_open, , AC_MSG_ERROR(ALSA sequencer support requires the asound library!))
fi
# Checks for pthread library.
AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtMidi requires the pthread library!))
;;
*-apple*)
# Look for Core flag
AC_ARG_WITH(core, [ --with-core = choose CoreMidi API support (mac only)])
AS_IF([test "x$with_core" == "xyes"], [
api="$api -D__MACOSX_CORE__"
AC_MSG_RESULT(using CoreMidi)
AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h, [], [AC_MSG_ERROR(CoreMIDI header files not found!)] )
LIBS="$LIBS -framework CoreMIDI -framework CoreFoundation -framework CoreAudio" ])
# If no api flags specified, use CoreMidi
if [test "$api" == ""; ] then
AC_SUBST( api, [-D__MACOSX_CORE__] )
AC_MSG_RESULT(using CoreMidi)
AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
[],
[AC_MSG_ERROR(CoreMIDI header files not found!)] )
AC_SUBST( LIBS, ["-framework CoreMIDI -framework CoreFoundation -framework CoreAudio"] )
fi
;;
*-mingw32*)
# Look for WinMM flag
AC_ARG_WITH(winmm, [ --with-winmm = choose Windows MultiMedia (MM) API support (windoze only)])
AS_IF([test "x$with_winmm" == "xyes"], [
api="$api -D__WINDOWS_MM__"
AC_MSG_RESULT(using WinMM)
AC_SUBST( LIBS, [-lwinmm] )])
AC_ARG_WITH(winks, [ --with-winks = choose kernel streaming support (windoze only)])
AS_IF([test "x$with_winks" == "xyes"], [
api="$api -D__WINDOWS_KS__"
AC_SUBST( LIBS, ["-lsetupapi -lksuser"] )
AC_MSG_RESULT(using kernel streaming) ])
# I can't get the following check to work so just manually add the library
# or could try the following? AC_LIB_WINMM([midiOutGetNumDevs])
# AC_CHECK_LIB(winmm, midiInGetNumDevs, , AC_MSG_ERROR(Windows MIDI support requires the winmm library!) )],)
# If no api flags specified, use WinMM
if [test "$api" == "";] then
AC_SUBST( api, [-D__WINDOWS_MM__] )
AC_MSG_RESULT(using WinMM)
AC_SUBST( LIBS, [-lwinmm] )
fi
;;
*)
# Default case for unknown realtime systems.
AC_MSG_ERROR(Unknown system type for MIDI support!)
;;
esac
CPPFLAGS="$CPPFLAGS $api"
AC_OUTPUT
chmod oug+x rtmidi-config