dnl Process this file with autoconf to produce a configure script.
AC_INIT(jackd/jackd.c)

AC_CONFIG_AUX_DIR(.)

JACK_MAJOR_VERSION=0
JACK_MINOR_VERSION=37
JACK_MICRO_VERSION=2

BETA=

AC_SUBST(JACK_MAJOR_VERSION)
AC_SUBST(JACK_MINOR_VERSION)
AC_SUBST(JACK_MICRO_VERSION)

JACK_SO_VERSION=${JACK_MAJOR_VERSION}:${JACK_MINOR_VERSION}:${JACK_MICRO_VERSION}${BETA}
JACK_VERSION=$JACK_MAJOR_VERSION.$JACK_MINOR_VERSION.${JACK_MICRO_VERSION}${BETA}
JACK_RELEASE=$JACK_MAJOR_VERSION-$JACK_MINOR_VERSION-${JACK_MICRO_VERSION}${BETA}

AC_SUBST(JACK_SO_VERSION)
AC_SUBST(JACK_VERSION)
AC_SUBST(JACK_RELEASE)

AM_INIT_AUTOMAKE(jack-audio-connection-kit,${JACK_VERSION})
AM_MAINTAINER_MODE

AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AC_PROG_CXX
AC_PROG_LD
AM_PROG_LIBTOOL
AC_C_BIGENDIAN

AC_CHECK_HEADERS(string.h strings.h)

AC_CHECK_FUNC(getopt_long, , AC_MSG_ERROR([GNU getopt is required to build jack]))

AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
AC_CHECK_FUNC(connect, , AC_CHECK_LIB(inet, connect))

AC_CHECK_FUNCS(on_exit atexit)

JACK_CORE_CFLAGS='-I$(top_srcdir) -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall'

JACK_CFLAGS="$JACK_CORE_CFLAGS -g"
JACK_OPT_CFLAGS="$JACK_CORE_CFLAGS -O6 -fomit-frame-pointer -ffast-math -fstrength-reduce -funroll-loops -fmove-all-movables"

AC_ARG_ENABLE(optimize,
              [  --enable-optimize       ask the compiler for its best optimizations],
              [ if test "x$enable_optimize" != "xno" ; then JACK_CFLAGS="$JACK_OPT_CFLAGS" ; fi ])

AC_SUBST(JACK_CFLAGS)

AC_ARG_ENABLE(debug,
              [  --enable-debug          enable debugging messages in jackd and libjack],
              [ if test "x$enable_debug" != "xno" ; then
                    AC_DEFINE(DEBUG_ENABLED,,[Enable debugging messages])
                fi
              ]
)

USE_CAPABILITIES=false

AC_ARG_ENABLE(capabilities,
              [  --enable-capabilities   use libcap to gain realtime scheduling priviledges],
              [ if test "x$enable_capabilities" != "xno" ; then
                    AC_CHECK_LIB(cap, capgetp,
                                 [AC_CHECK_HEADER(sys/capability.h,
                                                  [HAVE_CAPABILITIES=true],
                                                  [AC_MSG_WARN([*** no kernel support for capabilities])
                                                   HAVE_CAPABILITIES=false]
                                  )],
                                 [AC_MSG_WARN([*** no libcap present])
                                  HAVE_CAPABILITIES=false]
                    )
                    if test "x$HAVE_CAPABILITIES" = "xtrue"; then
                        AC_CHECK_PROG(HAVE_CAPABILITIES, md5sum, true, false)
                    fi
                    if test "x$HAVE_CAPABILITIES" = "xfalse"; then
                        AC_MSG_WARN([*** required program md5sum not found])
                    fi
                    if test "x$HAVE_CAPABILITIES" = "xfalse"; then
                        AC_MSG_ERROR([*** Capabilities support not present. Run configure again without --enable-capabilities.])
                    fi
                    USE_CAPABILITIES=true
                    AC_DEFINE(USE_CAPABILITIES,,[Enable POSIX 1.e capabilities support])
                fi
              ]
)

STRIPPED_JACKD=false
AC_ARG_ENABLE(stripped-jackd,
              [  --enable-stripped-jackd strip jack before computing its md5 sum ],
              [ if test "x$USE_CAPABILITIES" != "xtrue" ; then
                    AC_MSG_WARN([*** capabilities not enabled, stripped jackd has no effect])
                elif test "x$enable_stripped_jackd" != "xno"; then
                    STRIPPED_JACKD=true
                fi
              ]
)

# plugins go in the addon dir.

AS_AC_EXPAND(ADDON_DIR,${libdir}/jack)
AC_SUBST(ADDON_DIR)
AC_DEFINE_UNQUOTED(ADDON_DIR,"$ADDON_DIR",[Directory for plugins])

AC_ARG_WITH(html-dir,
            [  --with-html-dir=PATH    where to install the html documentation])

if test "x$with_html_dir" = "x" ; then
    HTML_DIR='${pkgdatadir}'
else
    HTML_DIR=$with_html_dir
fi

AC_SUBST(HTML_DIR)

# jack depends on alsa 0.9 and glib. some example apps depend on libsndfile and fltk.

AM_PATH_GLIB(1.0.0,
             [:],
             [AC_MSG_ERROR([*** JACK requires GLib, but it does not appear to be installed])]
)

AC_CHECK_LIB(asound,snd_pcm_drop,
	     [
               HAVE_ALSA="true"
               ALSA_LIBS=-lasound
             ],
             [ 
               HAVE_ALSA="false"
               AC_MSG_WARN([ALSA 0.9 support not found])
             ],
	     [-lm]
)
AC_SUBST(ALSA_LIBS)

dnl replace me with a proper test
HAVE_SOLARIS="false"

if test "x$HAVE_ALSA" != "xtrue"; then
   if test "x$HAVE_SOLARIS" != "xtrue"; then
      AC_MSG_ERROR([*** Neither Solaris nor ALSA audio support was found, aborting...])
   fi
fi

AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_CHECK_LIB(fltk,main,
             [AC_CHECK_HEADER(FL/Fl.H,
                              [HAVE_FLTK=true],
                              [HAVE_FLTK=false]
              )],
             [HAVE_FLTK=false],
             [-L/usr/X11R6/lib -lX11 -lXext]
)
AC_LANG_RESTORE
if test $HAVE_FLTK = "false"; then
             AC_MSG_WARN([*** no fltk found, the fltk example client will not be built])
fi

AC_CHECK_LIB(sndfile,main,
             [AC_CHECK_HEADER(sndfile.h,
                              [HAVE_SNDFILE=true],
                              [HAVE_SNDFILE=false]
              )],
	     [HAVE_SNDFILE=false]
)
if test $HAVE_SNDFILE = "false"; then
             AC_MSG_WARN([*** no libsndfile found, the jackrec example client will not be built])
fi

# you need doxygen to make dist.
AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
if test $HAVE_DOXYGEN = "false"; then
             AC_MSG_WARN([*** doxygen not found, docs will not be built])
fi

AM_CONDITIONAL(HAVE_FLTK, $HAVE_FLTK)
AM_CONDITIONAL(HAVE_SNDFILE, $HAVE_SNDFILE)
AM_CONDITIONAL(HAVE_DOXYGEN, $HAVE_DOXYGEN)
AM_CONDITIONAL(USE_CAPABILITIES, $USE_CAPABILITIES)
AM_CONDITIONAL(STRIPPED_JACKD, $STRIPPED_JACKD)
AM_CONDITIONAL(HAVE_ALSA, $HAVE_ALSA)
AM_CONDITIONAL(HAVE_SOLARIS, $HAVE_SOLARIS)

AC_OUTPUT(
Makefile
jack.pc
jack.spec
jack/Makefile
jackd/Makefile
libjack/Makefile
drivers/Makefile
drivers/alsa/Makefile
drivers/solaris/Makefile
example-clients/Makefile
doc/Makefile
doc/reference.doxygen
)