configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl $Id$
   3
   4 AC_INIT(jackd/jackd.c)
   5
   6
   7 dnl
   8 dnl Check for existing JACK installs
   9 dnl
  10
  11 AC_MSG_CHECKING([existing, conflicting JACK installs])
  12 not_overwriting=0
  13 installs=
  14 for dir in /usr/lib /usr/local/lib /opt/lib ; do
  15     if test -d $dir ; then
  16         if test $(find $dir/ -name 'libjack.*' 2>/dev/null | wc -l) -gt 0 ; then
  17             if echo $prefix/lib | grep -vs $dir >/dev/null 2>&1 ; then
  18                 not_overwriting=$(expr $not_overwriting + 1)
  19             fi
  20             installs="$installs $dir"
  21         fi
  22     fi
  23 done
  24
  25 if test $not_overwriting -gt 0 ; then
  26     echo
  27     echo
  28     echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  29     echo "You appear to have at least one existing installation of JACK."
  30     echo
  31     echo "Complete or partial JACK installs exist in:$installs"
  32     echo
  33     echo "Installing this version will leave at least one of these"
  34     echo "existing installations installed and this will probably break"
  35     echo "JACK on your machine. "
  36     echo
  37     echo "Before building, you should first remove the existing JACK"
  38     echo "installation(s). "
  39     echo
  40     echo "Alternatively use ./configure --prefix=... to force overwriting"
  41     echo "the existing install."
  42     echo
  43     echo "WARNING: ON ANY DEBIAN-DERIVED DISTRIBUTION (Debian, Ubuntu etc)"
  44     echo "CHANGING THE INSTALLATION PREFIX WILL NOT PRODUCE A WORKING JACK"
  45     echo "INSTALL. Please contact the distribution packager for JACK and"
  46     echo "ask them to fix their packaging."
  47     echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  48     exit 1
  49 fi
  50
  51 AC_CONFIG_AUX_DIR(config)
  52 AC_CANONICAL_TARGET
  53
  54 dnl ---
  55 dnl HOWTO: updating the JACK version number
  56 dnl
  57 dnl major version = ask on jackit-devel :)
  58 dnl minor version = incremented when any of the public or internal
  59 dnl                 interfaces are changed
  60 dnl micro version = incremented when implementation-only
  61 dnl                 changes are made
  62 dnl ---
  63 JACK_MAJOR_VERSION=0
  64 JACK_MINOR_VERSION=118
  65 JACK_MICRO_VERSION=0
  66
  67 dnl ---
  68 dnl HOWTO: updating the jack protocol version
  69 dnl
  70 dnl increment the protocol version whenever a change is
  71 dnl made to the way libjack communicates with jackd
  72 dnl that would break applications statically linked with an older
  73 dnl version of libjack. NOTE: statically linking to libjack
  74 dnl is a huge mistake.
  75 dnl ---
  76 JACK_PROTOCOL_VERSION=24
  77
  78 dnl ---
  79 dnl HOWTO: updating the libjack interface version
  80 dnl
  81 dnl current = incremented whenever the public libjack API is changed
  82 dnl revision = incremented when the libjack implementation is changed
  83 dnl age = current libjack is both source and binary compatible with
  84 dnl       libjack interfaces current,current-1,...,current-age
  85 dnl
  86 dnl Note! see libtool documentation for detailed documentation
  87 dnl
  88 dnl Note Also! until we reach CURRENT>=1, the rules are somewhat
  89 dnl slacker than this, and closer to those for the JACK version
  90 dnl number.
  91 dnl ---
  92 JACK_API_CURRENT=0
  93 JACK_API_REVISION=28
  94 JACK_API_AGE=0
  95
  96 AC_SUBST(JACK_MAJOR_VERSION)
  97 AC_SUBST(JACK_MINOR_VERSION)
  98 AC_SUBST(JACK_MICRO_VERSION)
  99
 100 AC_SUBST(JACK_PROTOCOL_VERSION)
 101 AC_DEFINE_UNQUOTED(PROTOCOL_VERSION, "$JACK_PROTOCOL_VERSION", [Protocol version])
 102
 103 AC_SUBST(JACK_API_MAJOR_VERSION)
 104 AC_SUBST(JACK_API_MINOR_VERSION)
 105 AC_SUBST(JACK_API_MICRO_VERSION)
 106
 107 JACK_SO_VERSION=${JACK_API_CURRENT}:${JACK_API_REVISION}:${JACK_API_AGE}
 108
 109 JACK_VERSION=$JACK_MAJOR_VERSION.$JACK_MINOR_VERSION.${JACK_MICRO_VERSION}${BETA}
 110 JACK_RELEASE=$JACK_MAJOR_VERSION-$JACK_MINOR_VERSION-${JACK_MICRO_VERSION}${BETA}
 111
 112 AC_SUBST(JACK_SO_VERSION)
 113 AC_SUBST(JACK_VERSION)
 114 AC_SUBST(JACK_RELEASE)
 115
 116 AM_INIT_AUTOMAKE(jack-audio-connection-kit,${JACK_VERSION})
 117
 118 dnl
 119 dnl save any user-provided CFLAGS so we can forget
 120 dnl about any nonsense that configure generates
 121 dnl
 122
 123 ORIGINAL_CFLAGS="$CFLAGS"
 124
 125 AM_CONFIG_HEADER(config.h)
 126 AC_ENABLE_STATIC(no)
 127 AC_ENABLE_SHARED(yes)
 128 AC_PROG_CC
 129 AC_PROG_CXX
 130 AC_PROG_LD
 131 AM_PROG_LIBTOOL
 132 AC_PROG_LN_S
 133 AM_PROG_CC_C_O
 134 AC_C_BIGENDIAN
 135
 136 dnl
 137 dnl now use those user-provided CFLAGS
 138 dnl and dump whatever nonsense configure generated
 139 dnl while looking for a compiler
 140 dnl
 141
 142 CFLAGS="$ORIGINAL_CFLAGS"
 143
 144 AC_MSG_CHECKING([platform dependencies])
 145
 146 HOST_DEFAULT_TMP_DIR=/dev/shm
 147 case "${host_os}" in
 148   freebsd*)
 149     # current FreeBSD header files conflict with the OSS driver's
 150     # barrier code, this may be fixed in 5.3, stay tuned.
 151     USE_BARRIER="no"
 152     ;;
 153   openbsd*)
 154     # pthread_barrier* not implemented
 155     USE_BARRIER="no"
 156     # need small realtime stack
 157     JACK_THREAD_STACK_TOUCH=10000
 158     ;;
 159   darwin*)
 160     JACK_THREAD_STACK_TOUCH=10000       # need small realtime stack
 161     JACK_CPP_VARARGS_BROKEN=1
 162     JACK_DO_NOT_MLOCK=1
 163     JACK_USE_MACH_THREADS=1
 164     OS_LDFLAGS="-framework CoreAudio -framework CoreServices -framework AudioUnit"
 165     TRY_POSIX_SHM=yes                   # POSIX shm works better
 166     HOST_DEFAULT_TMP_DIR=/tmp
 167     ;;
 168 esac
 169
 170 AC_SUBST(OS_LDFLAGS)
 171
 172 #
 173 # We need to establish suitable defaults for a 64-bit OS
 174 libnn=lib
 175 case "${host_os}" in
 176     linux*)
 177     case "${host_cpu}" in
 178         x86_64|mips64|ppc64|sparc64|s390x)
 179         libnn=lib64
 180         ;;
 181     esac
 182     ;;
 183     solaris*)
 184     ## libnn=lib/sparcv9 ## on 64-bit only, but that's compiler-specific
 185     ;;
 186 esac
 187
 188 ## take care not to  override the command-line setting
 189 if test "${libdir}" = '${exec_prefix}/lib'; then
 190   libdir='${exec_prefix}/'${libnn}
 191 fi
 192
 193 # system-dependent config.h values
 194 test "x$JACK_THREAD_STACK_TOUCH" = "x" && JACK_THREAD_STACK_TOUCH=500000
 195 AC_DEFINE_UNQUOTED(JACK_THREAD_STACK_TOUCH,
 196         [$JACK_THREAD_STACK_TOUCH],
 197         [Guaranteed size of realtime stack])
 198 if test "x$JACK_CPP_VARARGS_BROKEN" != "x"; then
 199     AC_DEFINE_UNQUOTED(JACK_CPP_VARARGS_BROKEN,
 200         [$JACK_CPP_VARARGS_BROKEN],
 201         [CPP has a broken varargs implementation])
 202 fi
 203 if test "x$JACK_USE_MACH_THREADS" != "x"; then
 204     AC_DEFINE_UNQUOTED(JACK_USE_MACH_THREADS,
 205         [$JACK_USE_MACH_THREADS],
 206         [Use MACH threads where possible])
 207 fi
 208
 209 # headers
 210 AC_CHECK_HEADERS(string.h strings.h alloca.h)
 211 AC_CHECK_HEADERS(getopt.h, [], [
 212     for d in /Developer/SDKs/MacOSX10.3.0.sdk/usr/include/ ; do
 213         AC_CHECK_HEADERS($d/getopt.h, [], [CFLAGS="$CFLAGS -I$d"])
 214     done])
 215 AC_CHECK_HEADER(/usr/include/nptl/pthread.h,
 216         [CFLAGS="$CFLAGS -I/usr/include/nptl"])
 217
 218 # functions and libraries
 219 AC_CHECK_FUNC(getopt_long, [],
 220     AC_MSG_ERROR([*** JACK requires GNU getopt_long]))
 221 AC_CHECK_FUNC(gethostent, [], AC_CHECK_LIB(nsl, gethostent))
 222 AC_CHECK_FUNC(setsockopt, [], AC_CHECK_LIB(socket, setsockopt))
 223 AC_CHECK_FUNC(connect, [], AC_CHECK_LIB(inet, connect))
 224 AC_CHECK_FUNC(dlopen, [],
 225     AC_CHECK_LIB(dl, dlopen, [],
 226         AC_MSG_ERROR([*** JACK requires dynamic load support])))
 227 AC_CHECK_FUNC(pthread_create, [],
 228     AC_CHECK_LIB(pthread, pthread_create, [],
 229         AC_MSG_ERROR([*** JACK requires POSIX threads support])))
 230 AC_CHECK_FUNCS(on_exit atexit)
 231 AC_CHECK_FUNCS(posix_memalign)
 232 AC_CHECK_LIB(m, sin)
 233
 234 echo -n "Checking for ppoll()... "
 235 AC_EGREP_CPP( ppoll,
 236 [
 237 #define _GNU_SOURCE
 238 #include <poll.h>
 239 ], [
 240         AC_DEFINE(HAVE_PPOLL,1,"Whether ppoll is available")
 241         echo "yes"
 242    ],[
 243         AC_DEFINE(HAVE_PPOLL,0,"Whether ppoll is available")
 244         echo "no"
 245    ] )
 246
 247
 248
 249 AC_CHECK_FUNC(clock_gettime,
 250        [
 251            AC_DEFINE(HAVE_CLOCK_GETTIME,0,"Whether or not clock_gettime can be found in system libraries")
 252        ],
 253        #
 254        # if not found, check librt specifically
 255        #
 256        AC_CHECK_LIB(rt, clock_gettime,
 257            [
 258               AC_DEFINE(HAVE_CLOCK_GETTIME,1,"Whether or not clock_gettime can be found in system libraries")
 259               OS_LDFLAGS="$OS_LDFLAGS -lrt"
 260            ])
 261 )
 262
 263 # should we use mlockall() on this platform?
 264 if test "x$JACK_DO_NOT_MLOCK" = "x"; then
 265     AC_CHECK_HEADER(sys/mman.h,
 266         [AC_CHECK_FUNC(mlockall,
 267             [AC_DEFINE(USE_MLOCK, 1, [Use POSIX memory locking])])])
 268 fi
 269
 270 # look for system support for POSIX shm API
 271 AC_ARG_ENABLE(posix-shm,
 272         AC_HELP_STRING([--enable-posix-shm], [use POSIX shm API (default=auto)]),
 273         [TRY_POSIX_SHM=$enableval])
 274 if test "x$TRY_POSIX_SHM" = "xyes"
 275 then
 276         AC_CHECK_FUNC(shm_open, [],
 277                 AC_CHECK_LIB(rt, shm_open, [], [TRY_POSIX_SHM=no]))
 278 fi
 279 AC_MSG_CHECKING([shared memory support])
 280 if test "x$TRY_POSIX_SHM" = "xyes"
 281 then
 282         AC_MSG_RESULT([POSIX shm_open().])
 283         AC_DEFINE(USE_POSIX_SHM,1,[Use POSIX shared memory interface])
 284         JACK_SHM_TYPE='"POSIX"'
 285         USE_POSIX_SHM="true"
 286 else
 287         AC_MSG_RESULT([System V shmget().])
 288         JACK_SHM_TYPE='"System V"'
 289         USE_POSIX_SHM="false"
 290 fi
 291 AC_DEFINE_UNQUOTED(JACK_SHM_TYPE, [$JACK_SHM_TYPE],
 292         [JACK shared memory type])
 293 AM_CONDITIONAL(USE_POSIX_SHM, $USE_POSIX_SHM)
 294
 295 JACK_CORE_CFLAGS="-I\$(top_srcdir)/config -I\$(top_srcdir) \
 296 -I\$(top_srcdir) -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall"
 297
 298 JACK_LIBC_HELPER_FLAGS=
 299 AC_ARG_ENABLE(ancient_libc,
 300         AC_HELP_STRING([--enable-ancient-libc],[Add required CFLAGS for libc versions too old to expose PThread R/W Lock and other modern code]),
 301         JACK_LIBC_HELPER_FLAGS="-D_XOPEN_SOURCE=600 -D_BSD_SOURCE",
 302         JACK_LIBC_HELPER_FLAGS=""
 303         )
 304
 305 JACK_CORE_CFLAGS="$JACK_CORE_CFLAGS $JACK_LIBC_HELPER_FLAGS"
 306
 307 AC_ARG_WITH(cpu-target,
 308             [  --with-cpu-target=cpu-type    explicit, overriding argument for gcc -march= flag])
 309
 310
 311 dnl
 312 dnl figure out how best to optimize
 313 dnl JOQ: this should be done via config/configure.hosts
 314 dnl
 315
 316 dnl ----------------------------------------------------------------------
 317
 318 if test "$target_cpu" = "powerpc64" ; then
 319
 320     AC_ARG_ENABLE(cell,
 321         AC_HELP_STRING([--enable-cell],[enable Cell BE support (default=no)]),,
 322         [ enable_cell=no ])
 323
 324     if test "x$enable_cell" = xyes; then
 325         AC_DEFINE(ENABLE_CELLBE, 1, [Define to 1 if you need support for the Cell BE.])
 326     fi
 327
 328 fi
 329
 330 if test "$target_cpu" = "powerpc" -o "$target_cpu" = "powerpc64" ; then
 331
 332     AC_DEFINE(POWERPC, 1, "Are we running a ppc CPU?")
 333
 334 ############################
 335 # Check for Altivec assembly
 336 ############################
 337
 338     AC_ARG_ENABLE(altivec,
 339         AC_HELP_STRING([--enable-altivec],[enable Altivec support (default=auto)]),,
 340         [ enable_altivec=yes ])
 341
 342     if test "x$enable_altivec" = xyes; then
 343
 344         AC_MSG_CHECKING(whether we can compile Altivec code)
 345
 346         AC_COMPILE_IFELSE([asm ("vand %v0, %v0, %v0");],
 347             AC_DEFINE(USE_ALTIVEC, 1, [Define to 1 if Altivec assembly is available.])
 348             AC_DEFINE(HAVE_ALTIVEC_LINUX, 1, "Is there Altivec Support ?")
 349             ALTIVEC_OPT_FLAGS="-maltivec -mabi=altivec"
 350             AC_MSG_RESULT(yes)
 351             ,
 352             enable_altivec=no
 353             AC_MSG_RESULT(no)
 354             AC_MSG_WARN([The assembler does not support the Altivec command set.])
 355         )
 356
 357     fi
 358
 359     dnl -mcpu=7450 does not reliably work with gcc 3.*
 360
 361     JACK_OPT_CFLAGS="-O2 -mcpu=7400 $ALTIVEC_OPT_FLAGS -mhard-float -mpowerpc-gfxopt"
 362
 363     if test "$target_cpu" = "powerpc64"; then
 364         JACK_OPT_CFLAGS="-O2 -mcpu=powerpc64 $ALTIVEC_OPT_FLAGS -mhard-float"
 365     fi
 366
 367 elif echo $target_cpu | egrep '(i.86|x86_64)' >/dev/null; then
 368
 369     dnl Check for MMX/SSE assembly
 370
 371     if test -r /proc/cpuinfo ; then
 372         procflags=`grep '^flags' /proc/cpuinfo`
 373         if echo $procflags | grep -s mmx ; then
 374             cpu_supports_mmx=yes
 375         fi
 376         if echo $procflags | grep -s sse ; then
 377             cpu_supports_sse=yes
 378         fi
 379     else
 380         # this is not linux, but assume that if the processor
 381         # is x86 then is supports SSE and not MMX
 382         cpu_supports_sse=yes
 383         AC_MSG_WARN([Assuming your x86/x86_64 system can support SSE. Use --disable-sse if this is not the case])
 384         cpu_supports_mmx=no
 385         AC_MSG_WARN([Assuming your x86/x86_64 system does not need to use MMX. Use --enable-mmx if this is not the case])
 386     fi
 387
 388     AC_ARG_ENABLE(optimization-by-compiler,
 389         AC_HELP_STRING([--enable-optimization-by-compiler],[use compiler (NOT processor) capabilities to determine optimization flags (default=no)]),
 390         optimization_by_compiler=yes,
 391         optimization_by_compiler=no
 392     )
 393
 394     AC_ARG_ENABLE(optimization-by-cpu,
 395         AC_HELP_STRING([--enable-optimization-by-cpu],[use processor capabilities to determine optimization flags (default=yes)]),,
 396         optimization_by_cpu=yes
 397     )
 398
 399     AC_ARG_ENABLE(mmx,
 400         AC_HELP_STRING([--enable-mmx],[enable MMX support (default=auto)]),,
 401         enable_mmx=yes)
 402
 403     AC_ARG_ENABLE(sse,
 404         AC_HELP_STRING([--enable-sse],[enable SSE support (default=auto)]),,
 405         enable_sse=$enable_mmx)
 406
 407     if test "x$enable_mmx" = xyes; then
 408
 409         AC_MSG_CHECKING(whether we can compile MMX code)
 410
 411         AC_COMPILE_IFELSE([asm ("movq 0, %mm0");],
 412
 413             AC_DEFINE(USE_MMX, 1, [Define to 1 if MMX assembly is available.])
 414             AC_MSG_RESULT(yes)
 415
 416             if test x$optimization_by_cpu = xyes ; then
 417                 if test x$cpu_supports_mmx = xyes ; then
 418                     MMX_FLAGS="-mmmx"
 419                 fi
 420             else
 421                 MMX_FLAGS="-mmmx"
 422             fi
 423
 424             AC_MSG_RESULT(yes)
 425             ,
 426             enable_mmx=no
 427             AC_MSG_RESULT(no)
 428             AC_MSG_WARN([The assembler does not support the MMX command set.])
 429         )
 430     fi
 431
 432     if test "x$enable_sse" = xyes; then
 433
 434         AC_MSG_CHECKING(whether we can compile SSE code)
 435
 436         AC_COMPILE_IFELSE([asm ("movntps %xmm0, 0");],
 437             [
 438                 if test x$optimization_by_cpu = xyes ; then
 439                     if test x$cpu_supports_sse = xyes ; then
 440                         SSE_FLAGS="-msse -mfpmath=sse"
 441                         MMX_FLAGS=""
 442                     fi
 443                 else
 444                     SSE_FLAGS="-msse -mfpmath=sse"
 445                     MMX_FLAGS=""
 446                 fi
 447
 448                 AC_MSG_RESULT(yes)
 449                 ],
 450             [
 451                 enable_sse=no
 452                 AC_MSG_RESULT(no)
 453                 AC_MSG_WARN([The assembler does not support the SSE command set.])
 454                 ])
 455     fi
 456
 457     AC_DEFINE(x86, 1, "Nope it's intel")
 458     COMMON_X86_OPT_FLAGS="-O3 -fomit-frame-pointer -ffast-math -funroll-loops"
 459
 460 dnl
 461 dnl its a little sad that OS X doesn't make it possible to identify
 462 dnl the target_cpu a little more precisely. on os x we always get "i386"
 463 dnl as the CPU type. we miss out on some possible optimizations as
 464 dnl a result. oh well.
 465 dnl
 466
 467     if test x$with_cpu_target != x ; then
 468         JACK_OPT_CFLAGS="-march=$with_cpu_target"
 469     else
 470         if test "$target_cpu" = "i586"; then
 471            JACK_OPT_CFLAGS="-march=i586 "
 472         elif test "$target_cpu" = "i686"; then
 473             JACK_OPT_CFLAGS="-march=i686"
 474         elif test "$target_cpu" = "x86_64"; then
 475             JACK_OPT_CFLAGS="-march=k8"
 476         else
 477             :
 478         fi
 479     fi
 480
 481 dnl
 482 dnl do not add h/w specific flags if asked to let compiler
 483 dnl to the optimization
 484 dnl
 485
 486     if test x$optimization_by_compiler != xyes ; then
 487         JACK_OPT_CFLAGS="$COMMON_X86_OPT_FLAGS $JACK_OPT_CFLAGS $MMX_FLAGS $SSE_FLAGS"
 488     else
 489        JACK_OPT_CFLAGS="$COMMON_X86_OPT_FLAGS"
 490     fi
 491
 492 fi
 493
 494 AC_ARG_ENABLE(dynsimd,
 495         AC_HELP_STRING([--enable-dynsimd],[enable dynamic SIMD selection (default=no)]),,
 496     enable_dynsimd=no)
 497
 498 if test "x$enable_dynsimd" = xyes; then
 499         AC_DEFINE(USE_DYNSIMD, 1, [Define to 1 to use dynamic SIMD selection.])
 500         dnl This needs update once there's more than x86/x86-64 supported
 501         SIMD_CFLAGS="-O -msse -msse2 -m3dnow"
 502         AC_SUBST(SIMD_CFLAGS)
 503 fi
 504
 505 AC_ARG_ENABLE(optimize,
 506     AC_HELP_STRING([--enable-optimize],
 507         [optimize code, based on CPU or compiler, as separately selected (default=no)]),
 508     [ if test x$enable_optimize != xno ; then
 509         AC_MSG_WARN([optimization in use.........................])
 510       else
 511         # no optimization, so lets get debugging symbols instead
 512         JACK_OPT_CFLAGS="-g"
 513         AC_MSG_WARN([no optimization.........................])
 514       fi
 515     ],
 516     [
 517         # no optimization, so lets get debugging symbols instead
 518         JACK_OPT_CFLAGS="-g"
 519         AC_MSG_WARN([no optimization.........................])
 520     ]
 521 )
 522
 523 JACK_CFLAGS="$JACK_CORE_CFLAGS $JACK_OPT_CFLAGS"
 524
 525 dnl
 526 dnl most makefiles use JACK_CFLAGS, but simd code needs JACK_CORE_CFLAGS
 527 dnl
 528
 529 AC_SUBST(JACK_CFLAGS)
 530 AC_SUBST(JACK_CORE_CFLAGS)
 531
 532 dnl
 533 dnl use JACK_CFLAGS for jackd compilation
 534 dnl
 535
 536 CFLAGS="$CFLAGS $JACK_CFLAGS"
 537
 538 # allow buffer resizing unless --disable-resize specified
 539 buffer_resizing=yes
 540 AC_ARG_ENABLE(resize,
 541         AC_HELP_STRING([--enable-resize], [enable buffer resizing feature (default=yes)]),
 542         [
 543           if test x$enable_resize = xno ; then
 544                 buffer_resizing=no
 545           fi
 546          ]
 547 )
 548
 549 if test x$buffer_resizing != xno; then
 550    AC_DEFINE(DO_BUFFER_RESIZE,,[Enable buffer resizing])
 551 fi
 552
 553
 554 AC_ARG_ENABLE(ensure-mlock,
 555         AC_HELP_STRING([--enable-ensure-mlock], [server should fail if unable to lock memory (default=no)]),
 556         [
 557           if test x$enable_ensure_mlock != xno ; then
 558                 AC_DEFINE(ENSURE_MLOCK,,[Ensure that memory locking succeeds])
 559           fi
 560         ]
 561 )
 562
 563 AC_ARG_ENABLE(debug,
 564         AC_HELP_STRING([--enable-debug],
 565                 [enable debugging messages in jackd and libjack (default=no)]),
 566         [
 567           if test x$enable_debug != xno ; then
 568              AC_DEFINE(DEBUG_ENABLED,,[Enable debugging messages])
 569           fi
 570         ]
 571 )
 572
 573 AC_ARG_ENABLE(timestamps,
 574         AC_HELP_STRING([--enable-timestamps],
 575                 [allow clients to use the JACK timestamp API (JACK developers only) (default=no)]),
 576         [
 577           if test x$enable_timestamps != xno ; then
 578                 AC_DEFINE(WITH_TIMESTAMPS,,[Enable JACK timestamp API])
 579           fi
 580         ]
 581 )
 582
 583 AC_ARG_ENABLE(preemption-check,
 584         AC_HELP_STRING([--enable-preemption-check],
 585                 [check for inappropriate realtime preemption (requires a specially built Linux kernel) (default=no)]),
 586                 [
 587                   if test x$enable_preemption_check != xno ; then
 588                         echo checking for realtime preemption bugs
 589                         AC_DEFINE(DO_PREEMPTION_CHECKING,,
 590                                 [check realtime preemption])
 591                   fi
 592                 ])
 593
 594 USE_CAPABILITIES=false
 595
 596 AC_ARG_ENABLE(capabilities,
 597         AC_HELP_STRING([--enable-capabilities],[!!! LINUX 2.4 KERNELS ONLY !!! use libcap to gain realtime scheduling priviledges]),
 598               [ if test "x$enable_capabilities" != "xno" ; then
 599                     AC_CHECK_LIB(cap, capgetp,
 600                                  [AC_CHECK_HEADER(sys/capability.h,
 601                                                   [HAVE_CAPABILITIES=true],
 602                                                   [AC_MSG_WARN([*** no kernel support for capabilities])
 603                                                    HAVE_CAPABILITIES=false]
 604                                   )],
 605                                  [AC_MSG_WARN([*** no libcap present])
 606                                   HAVE_CAPABILITIES=false]
 607                     )
 608                     if test "x$HAVE_CAPABILITIES" = "xtrue"; then
 609                         AC_CHECK_PROG(HAVE_CAPABILITIES, md5sum, true, false)
 610                     fi
 611                     if test "x$HAVE_CAPABILITIES" = "xfalse"; then
 612                         AC_MSG_WARN([*** required program md5sum not found])
 613                     fi
 614                     if test "x$HAVE_CAPABILITIES" = "xfalse"; then
 615                         AC_MSG_ERROR([*** Capabilities support not present. Run configure again without --enable-capabilities.])
 616                     fi
 617                     USE_CAPABILITIES=true
 618                     AC_DEFINE(USE_CAPABILITIES,,[Enable POSIX 1.e capabilities support])
 619                 fi
 620               ]
 621 )
 622
 623 with_oldtrans=yes
 624 AC_ARG_ENABLE(oldtrans,
 625         AC_HELP_STRING([--disable-oldtrans],[remove old transport interfaces (default=yes)]),
 626               [ if test "x$enable_oldtrans" = "xno" ; then
 627                     with_oldtrans=no
 628                 fi
 629               ]
 630 )
 631 if test "x$with_oldtrans" != "xno" ; then
 632         AC_DEFINE(OLD_TRANSPORT,,[Include old transport interfaces])
 633 fi
 634
 635 STRIPPED_JACKD=false
 636 AC_ARG_ENABLE(stripped-jackd,
 637         AC_HELP_STRING([--enable-stripped-jackd],[strip jack before computing its md5 sum (useful only with Linux 2.4 kernel)]),
 638               [ if test "x$USE_CAPABILITIES" != "xtrue" ; then
 639                     AC_MSG_WARN([*** capabilities not enabled, stripped jackd has no effect])
 640                 elif test "x$enable_stripped_jackd" != "xno"; then
 641                     STRIPPED_JACKD=true
 642                 fi
 643               ]
 644 )
 645
 646 # plugins go in the addon dir.
 647
 648 ADDON_DIR='${libdir}/jack'
 649 AC_SUBST(ADDON_DIR)
 650 AS_AC_EXPAND(ADDON_DIR_EXPANDED,${libdir}/jack)
 651 AC_DEFINE_UNQUOTED(ADDON_DIR,"$ADDON_DIR_EXPANDED",[Directory for plugins])
 652
 653 AC_ARG_WITH(html-dir,
 654                 AC_HELP_STRING([--with-html-dir=PATH],[where to install the html documentation]))
 655
 656 if test "x$with_html_dir" = "x" ; then
 657     HTML_DIR='${pkgdatadir}'
 658 else
 659     HTML_DIR=$with_html_dir
 660 fi
 661
 662 AC_SUBST(HTML_DIR)
 663
 664
 665 # allow specifying default tmpdir
 666 AC_ARG_WITH(default-tmpdir,
 667             AC_HELP_STRING([--with-default-tmpdir],[where jackd and clients will put tmp files (default=/dev/shm)]))
 668
 669 if test "x$with_default_tmpdir" = "x" ; then
 670         DEFAULT_TMP_DIR=$HOST_DEFAULT_TMP_DIR
 671 else
 672         DEFAULT_TMP_DIR=$with_default_tmpdir
 673 fi
 674
 675 AC_SUBST(DEFAULT_TMP_DIR)
 676 AC_DEFINE_UNQUOTED(DEFAULT_TMP_DIR,"$DEFAULT_TMP_DIR",[Default tmp directory])
 677
 678 # Check for barrier functions in the pthreads library.  The default
 679 # option setting may be OS-dependent, otherwise it's "yes".
 680 test "x$USE_BARRIER" = "x" && USE_BARRIER="yes"
 681 AC_ARG_WITH(barrier,
 682         AC_HELP_STRING([--without-barrier],
 683                        [avoid using pthread barrier functions (only used by OSS driver)]),
 684         [ USE_BARRIER=$withval ])
 685 if test "x$USE_BARRIER" = "xyes"; then
 686         AC_CHECK_LIB([pthread], [pthread_barrier_init],
 687                 AC_DEFINE(USE_BARRIER, 1, [Use pthread barrier functions]))
 688 fi
 689
 690 # some example-clients need libsndfile
 691 HAVE_SNDFILE=false
 692 PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0,[HAVE_SNDFILE=true], [true])
 693 if test x$HAVE_SNDFILE = xfalse; then
 694              AC_MSG_WARN([*** the jackrec example client will not be built])
 695 fi
 696
 697 # NetJack backend and internal client need libsamplerate
 698 HAVE_SAMPLERATE=false
 699 PKG_CHECK_MODULES(SAMPLERATE, samplerate >= 0.1.2,[HAVE_SAMPLERATE=true], [true])
 700 if test x$HAVE_SAMPLERATE = xfalse; then
 701         AC_MSG_WARN([*** the NetJack backend and internal client will not be built])
 702         AC_DEFINE(HAVE_SAMPLERATE,0,"Whether libsamplerate is available")
 703 else
 704         NETJACK_CFLAGS="$NETJACK_CFLAGS $SAMPLERATE_CFLAGS"
 705         NETJACK_LIBS="$NETJACK_LIBS $SAMPLERATE_LIBS"
 706         AC_DEFINE(HAVE_SAMPLERATE,1,"Whether libsamplerate is available")
 707 fi
 708
 709 # Celt low-latency audio codec. netjack transmission via internet.
 710 HAVE_CELT=false
 711 PKG_CHECK_MODULES(CELT, celt >= 0.7.0,[HAVE_CELT=true], [true])
 712 if test x$HAVE_CELT = xfalse; then
 713         PKG_CHECK_MODULES(CELT, celt >= 0.5.0,[HAVE_CELT=true], [true])
 714         if test x$HAVE_CELT = xfalse; then
 715                 AC_DEFINE(HAVE_CELT,0,"Whether CELT is available")
 716                 AC_MSG_RESULT(no)
 717                 AC_MSG_WARN([*** NetJack will not be built with celt support])
 718         else
 719                 AC_DEFINE(HAVE_CELT,1,"Whether CELT is available")
 720                 AC_DEFINE(HAVE_CELT_API_0_5,1,"Whether CELT API is 0.5 API")
 721                 AC_DEFINE(HAVE_CELT_API_0_7,0,"Whether CELT API is 0.7 API")
 722                 AC_MSG_RESULT(yes (0.5))
 723                 NETJACK_LIBS="$NETJACK_LIBS $CELT_LIBS"
 724         fi
 725 else
 726         AC_DEFINE(HAVE_CELT,1,"Whether CELT is available")
 727         AC_MSG_RESULT(yes (0.7))
 728         AC_DEFINE(HAVE_CELT_API_0_5,0,"Whether CELT API is 0.5 API")
 729         AC_DEFINE(HAVE_CELT_API_0_7,1,"Whether CELT API is 0.7 API")
 730         NETJACK_LIBS="$NETJACK_LIBS $CELT_LIBS"
 731 fi
 732
 733 AC_SUBST(NETJACK_LIBS)
 734 AC_SUBST(NETJACK_CFLAGS)
 735
 736 # Note: A bug in pkg-config causes problems if the first occurence of
 737 # PKG_CHECK_MODULES can be disabled. So, if you're going to use
 738 # PKG_CHECK_MODULES inside a --disable-whatever check, you need to
 739 # do it somewhere *below* this comment.
 740
 741 # Check which backend drivers can be built.  The last one successfully
 742 # configured becomes the default JACK driver; so the order of
 743 # precedence is: alsa, sun, oss, coreaudio, portaudio, dummy.
 744
 745 JACK_DEFAULT_DRIVER=\"dummy\"
 746
 747 AC_ARG_ENABLE(portaudio,
 748         AC_HELP_STRING([--enable-portaudio],[build PortAudio driver]),
 749    TRY_PORTAUDIO=$enableval , TRY_PORTAUDIO=no)
 750
 751 HAVE_PA="false"
 752 if test "x$TRY_PORTAUDIO" = "xyes"
 753 then
 754         # check for portaudio V18
 755         AC_CHECK_LIB(portaudio, Pa_Initialize,
 756                 [ AC_CHECK_HEADERS(portaudio.h,
 757                         [ HAVE_PA="true"
 758                           PA_LIBS=-lportaudio
 759                           JACK_DEFAULT_DRIVER=\"portaudio\"
 760                         ])
 761                 ])
 762         AC_SUBST(PA_LIBS)
 763 fi
 764 AM_CONDITIONAL(HAVE_PA, $HAVE_PA)
 765
 766 AC_ARG_ENABLE(coreaudio, AC_HELP_STRING([--disable-coreaudio], [ignore CoreAudio driver]),
 767                         TRY_COREAUDIO=$enableval , TRY_COREAUDIO=yes )
 768 HAVE_COREAUDIO="false"
 769 if test "x$TRY_COREAUDIO" = "xyes"
 770 then
 771         # check for coreaudio
 772         AC_CHECK_HEADERS(CoreAudio/CoreAudio.h,
 773                 [ HAVE_COREAUDIO="true"
 774                   JACK_DEFAULT_DRIVER=\"coreaudio\"
 775                 ])
 776 fi
 777 AM_CONDITIONAL(HAVE_COREAUDIO, $HAVE_COREAUDIO)
 778
 779 AC_ARG_ENABLE(oss, AC_HELP_STRING([--disable-oss],[ignore OSS driver ]),
 780                         TRY_OSS=$enableval , TRY_OSS=yes )
 781 HAVE_OSS="false"
 782 if test "x$TRY_OSS" = "xyes"
 783 then
 784         # check for Open Sound System
 785         AC_CHECK_HEADER([sys/soundcard.h],
 786              [HAVE_OSS="true"
 787               JACK_DEFAULT_DRIVER=\"oss\"])
 788 fi
 789 AM_CONDITIONAL(HAVE_OSS, $HAVE_OSS)
 790
 791 AC_ARG_ENABLE(sun, AC_HELP_STRING([--disable-sun],[ignore Sun driver ]),
 792                         TRY_SUN=$enableval , TRY_SUN=yes )
 793 HAVE_SUN="false"
 794 if test "x$TRY_SUN" = "xyes"
 795 then
 796         # check for Sun audio API
 797         AC_CHECK_HEADER([sys/audioio.h],
 798              [HAVE_SUN="true"
 799               JACK_DEFAULT_DRIVER=\"sun\"])
 800 fi
 801 AM_CONDITIONAL(HAVE_SUN, $HAVE_SUN)
 802
 803 AC_ARG_ENABLE(freebob, AC_HELP_STRING([--disable-freebob],[ignore FreeBob driver ]),
 804                         TRY_FREEBOB=$enableval , TRY_FREEBOB=yes )
 805 HAVE_FREEBOB="false"
 806 if test "x$TRY_FREEBOB" = "xyes"
 807 then
 808         # check for FreeBob libraries
 809         PKG_CHECK_MODULES(LIBFREEBOB, libfreebob >= 1.0.0,
 810              [HAVE_FREEBOB="true"
 811               JACK_DEFAULT_DRIVER=\"freebob\"
 812              ], AC_MSG_RESULT([no]))
 813
 814         AC_SUBST([LIBFREEBOB_CFLAGS])
 815         AC_SUBST([LIBFREEBOB_LIBS])
 816
 817 fi
 818 AM_CONDITIONAL(HAVE_FREEBOB,$HAVE_FREEBOB)
 819
 820 AC_ARG_ENABLE(firewire, AC_HELP_STRING([--disable-firewire],[ignore FireWire driver (FFADO)]),
 821                         TRY_FIREWIRE=$enableval , TRY_FIREWIRE=yes )
 822 HAVE_FIREWIRE="false"
 823 if test "x$TRY_FIREWIRE" = "xyes"
 824 then
 825         # check for FFADO libraries
 826         PKG_CHECK_MODULES(LIBFFADO, libffado >= 1.999.17,
 827              [HAVE_FIREWIRE="true"
 828               JACK_DEFAULT_DRIVER=\"firewire\"
 829              ], AC_MSG_RESULT([no]))
 830
 831         AC_SUBST([LIBFFADO_CFLAGS])
 832         AC_SUBST([LIBFFADO_LIBS])
 833
 834 fi
 835 AM_CONDITIONAL(HAVE_FIREWIRE,$HAVE_FIREWIRE)
 836
 837 AC_ARG_ENABLE(alsa, AC_HELP_STRING([--disable-alsa],[ignore ALSA driver ]),
 838                         TRY_ALSA=$enableval , TRY_ALSA=yes )
 839 HAVE_ALSA="false"
 840 if test "x$TRY_ALSA" = "xyes"
 841 then
 842         # check for ALSA >= 1.0.18
 843         PKG_CHECK_MODULES(ALSA, alsa >= 1.0.18,
 844              [HAVE_ALSA="true"
 845               ALSA_LIBS=-lasound
 846               JACK_DEFAULT_DRIVER=\"alsa\"
 847              ], AC_MSG_RESULT([no]), [-lm]
 848         )
 849         AC_SUBST(ALSA_LIBS)
 850 fi
 851 AM_CONDITIONAL(HAVE_ALSA, $HAVE_ALSA)
 852
 853 HAVE_ALSA_MIDI=$HAVE_ALSA
 854 AM_CONDITIONAL(HAVE_ALSA_MIDI, $HAVE_ALSA_MIDI)
 855
 856 if test "$JACK_DEFAULT_DRIVER" = \"dummy\"; then
 857   AC_MSG_WARN([Only the dummy driver can be built])
 858 fi
 859 AC_DEFINE_UNQUOTED(JACK_DEFAULT_DRIVER,
 860         [$JACK_DEFAULT_DRIVER],
 861         [Default JACK driver])
 862
 863 JACK_SEMAPHORE_KEY=0x282929
 864 AC_DEFINE_UNQUOTED(JACK_SEMAPHORE_KEY,
 865           [$JACK_SEMAPHORE_KEY],
 866           [ an integer constant used as the semaphore and SysV SHM key. see libjack/shm.c for usage])
 867 AC_SUBST(JACK_SEMAPHORE_KEY)
 868
 869 # On some systems, readline depends on termcap or ncurses.  But, the
 870 # MacOSX linker complains bitterly if these libraries are explicitly
 871 # referenced.
 872 #
 873 # AC_CHECK_LIB() foolishly assumes that checking a library for an entry
 874 # point always returns the same result regardless of any dependent
 875 # libraries specified.  The `unset ac_cv_lib_readline_readline' erases
 876 # the cached result to work around this problem.
 877 READLINE_DEPS=""
 878 HAVE_READLINE=true
 879 AC_CHECK_LIB(readline, readline, [:],
 880     [unset ac_cv_lib_readline_readline
 881      AC_CHECK_LIB(readline, readline, [READLINE_DEPS="-ltermcap"],
 882         [unset ac_cv_lib_readline_readline
 883          AC_CHECK_LIB(readline, readline,
 884             [READLINE_DEPS="-lncurses"], [HAVE_READLINE=false], "-lncurses")],
 885         "-ltermcap")])
 886 AC_CHECK_HEADER(readline/chardefs.h, [], [HAVE_READLINE=false])
 887 if test x$HAVE_READLINE = xfalse; then
 888         AC_MSG_WARN([*** the jack_transport example client will not be built])
 889 fi
 890 AC_SUBST(READLINE_DEPS)
 891
 892 # you need doxygen to make dist.
 893 AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
 894 if test $HAVE_DOXYGEN = "false"; then
 895              AC_MSG_WARN([*** doxygen not found, docs will not be built])
 896 fi
 897
 898 AM_CONDITIONAL(HAVE_SNDFILE, $HAVE_SNDFILE)
 899 AM_CONDITIONAL(HAVE_CELT, $HAVE_CELT)
 900 AM_CONDITIONAL(HAVE_SAMPLERATE, $HAVE_SAMPLERATE)
 901 AM_CONDITIONAL(HAVE_READLINE, $HAVE_READLINE)
 902 AM_CONDITIONAL(HAVE_DOXYGEN, $HAVE_DOXYGEN)
 903 AM_CONDITIONAL(USE_CAPABILITIES, $USE_CAPABILITIES)
 904 AM_CONDITIONAL(STRIPPED_JACKD, $STRIPPED_JACKD)
 905 AM_CONDITIONAL(HAVE_PPOLL, $HAVE_PPOLL)
 906
 907 AC_OUTPUT(
 908 Makefile
 909 config/Makefile
 910 config/cpu/Makefile
 911 config/cpu/alpha/Makefile
 912 config/cpu/cris/Makefile
 913 config/cpu/generic/Makefile
 914 config/cpu/i386/Makefile
 915 config/cpu/i486/Makefile
 916 config/cpu/ia64/Makefile
 917 config/cpu/m68k/Makefile
 918 config/cpu/mips/Makefile
 919 config/cpu/powerpc/Makefile
 920 config/cpu/s390/Makefile
 921 config/os/Makefile
 922 config/os/generic/Makefile
 923 config/os/gnu-linux/Makefile
 924 config/os/macosx/Makefile
 925 config/sysdeps/Makefile
 926 doc/Makefile
 927 doc/reference.doxygen
 928 drivers/Makefile
 929 drivers/alsa/Makefile
 930 drivers/alsa-midi/Makefile
 931 drivers/dummy/Makefile
 932 drivers/oss/Makefile
 933 drivers/sun/Makefile
 934 drivers/portaudio/Makefile
 935 drivers/coreaudio/Makefile
 936 drivers/freebob/Makefile
 937 drivers/firewire/Makefile
 938 drivers/netjack/Makefile
 939 example-clients/Makefile
 940 tools/Makefile
 941 man/Makefile
 942 jack.pc
 943 jack.spec
 944 jack/Makefile
 945 jack/version.h
 946 jackd/Makefile
 947 jackd/jackd.1
 948 libjack/Makefile
 949 )
 950
 951 dnl
 952 dnl Output summary message
 953 dnl
 954
 955 echo
 956 echo $PACKAGE $VERSION :
 957 echo
 958 echo \| Build with ALSA support............................... : $HAVE_ALSA
 959 echo \| Build with old FireWire \(FreeBob\) support............. : $HAVE_FREEBOB
 960 echo \| Build with new FireWire \(FFADO\) support............... : $HAVE_FIREWIRE
 961 echo \| Build with OSS support................................ : $HAVE_OSS
 962 echo \| Build with Sun audio support.......................... : $HAVE_SUN
 963 echo \| Build with CoreAudio support.......................... : $HAVE_COREAUDIO
 964 echo \| Build with PortAudio support.......................... : $HAVE_PA
 965 echo \| Build with Celt support............................... : $HAVE_CELT
 966 echo \| Build with dynamic buffer size support................ : $buffer_resizing
 967 echo \| Compiler optimization flags........................... : $JACK_OPT_CFLAGS
 968 echo \| Compiler full flags................................... : $CFLAGS
 969 echo \| Install dir for libjack + backends.................... : $libdir/jack
 970 echo \|
 971 echo \| Default driver backend................................ : $JACK_DEFAULT_DRIVER
 972 echo \| Shared memory interface............................... : $JACK_SHM_TYPE
 973 echo \| IPC Temporary directory............................... : $DEFAULT_TMP_DIR
 974 echo \| Install prefix........................................ : $prefix
 975 echo \| Default tmp dir....................................... : $DEFAULT_TMP_DIR
 976 echo
 977
 978
 979