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