summaryrefslogtreecommitdiff
path: root/configure.in
blob: b2607bb313766b57555d2d492ae2694c104aefbf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
#
# Change the version number below after doing a public release.
# The version in git should reflect the *next* version planned.
# Version must be MAJOR.MINOR.PATCH otherwise things will break.
#
AC_INIT([zeromq],[2.0.6],[zeromq-dev@lists.zeromq.org])

AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR(config)
AM_CONFIG_HEADER(src/platform.hpp)
AM_INIT_AUTOMAKE(tar-ustar)

# This defines PACKAGE_VERSION_... in src/platform.hpp
PV_MAJOR=`echo $PACKAGE_VERSION | cut -d . -f 1`
PV_MINOR=`echo $PACKAGE_VERSION | cut -d . -f 2`
PV_PATCH=`echo $PACKAGE_VERSION | cut -d . -f 3`
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR],[$PV_MAJOR],
    [0MQ major version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR],[$PV_MINOR],
    [0MQ minor version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCH],[$PV_PATCH],
    [0MQ patchlevel])
# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST(PACKAGE_VERSION)

#
# Libtool -version-info (ABI version)
#
# Currently 0.0.0 ("unstable"). Don't change this unless you 
# know exactly what you're doing and have read and understand
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
# libzmq -version-info
LTVER="0:0:0"
AC_SUBST(LTVER)

# librbzmq -version-info
RBLTVER="0:0:0"
AC_SUBST(RBLTVER)

# libjzmq -version-info
JLTVER="0:0:0"
AC_SUBST(JLTVER)

AM_PROG_CC_C_O

# Checks for programs.
AC_PROG_CXX
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AC_PROG_SED
AC_PROG_AWK

# Checks for libraries.
AC_CHECK_LIB([pthread], [pthread_create])
# If using GNU C++, libstdc++ must be available.
if test "x$GXX" = "xyes"; then
    # libstdc++ depends on libm on some platforms
    AC_CHECK_LIB([m], [main])
    AC_CHECK_LIB([stdc++], [main], ,
        [AC_MSG_ERROR([cannot link with -lstdc++])])
fi

# Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq.
LIBZMQ_EXTRA_CXXFLAGS=""

# Extra LDFLAGS are appended at the end of LDFLAGS for libzmq.
LIBZMQ_EXTRA_LDFLAGS=""

# By default compiling with -pedantic except QNX and OSX.
pedantic="yes"

#By default compiling with -Werror except OSX.
werror="yes"

#Whether we are on mingw or not.
on_mingw32="no"

# Host speciffic checks
AC_CANONICAL_HOST

# Determine whether or not documentation should be built.
build_doc="no"
install_man="yes"
if test -d ".git"; then
# We are building from git.
# Check for asciidoc and xmlto and don't build the docs if these are not installed.
    AC_CHECK_PROG(have_asciidoc, asciidoc, yes, no)
    AC_CHECK_PROG(have_xmlto, xmlto, yes, no)
    if test "x$have_asciidoc" = "xno" -o "x$have_xmlto" = "xno"; then
        build_doc="no"
        install_man="no"
        AC_MSG_WARN([You are building from git and asciidoc is not installed. Documentation will not be built or installed.])
    else
        build_doc="yes"
    fi
fi
AC_MSG_CHECKING([whether to build documentation])
AC_MSG_RESULT([$build_doc])
AC_MSG_CHECKING([whether to install manpages])
if test "x$build_doc" = "xno" -a "x$install_man" = "xyes" -a ! -f "./doc/zmq.7"; then
    AC_MSG_ERROR([configure thinks we want to install manpages but they're not present. Help!])
fi
AC_MSG_RESULT([$install_man])

# Set some default features required by 0MQ code.
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"

# OS-specific tests
case "${host_os}" in
    *linux*)
        # Define on Linux to enable all library features
        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
        AC_CHECK_LIB(uuid, main, , 
            [AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
        ;;
    *solaris*)
        # Define on Solaris to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L -D_PTHREADS $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS])
        AC_CHECK_LIB(socket, main)
        AC_CHECK_LIB(nsl, main)
        AC_CHECK_LIB(rt, main)
        AC_CHECK_LIB(uuid, main, ,
            [AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [solaris_has_atomic=yes],
            [solaris_has_atomic=no])
        AC_MSG_RESULT([$solaris_has_atomic])
        # Solaris 8 does not have atomic operations exported to user space.
        if test "x$solaris_has_atomic" = "xno"; then
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *freebsd*)
        # Define on FreeBSD to enable all library features
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_FREEBSD, 1, [Have FreeBSD OS])
        ;;
    *darwin*)
        # Define on Darwin to enable all library features
        CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
        pedantic="no"
        werror="no"
        AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS])
        LIBZMQ_EXTRA_CXXFLAGS+="-Wno-uninitialized"
        ;;
    *netbsd*)
        # Define on NetBSD to enable all library features
        CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_NETBSD, 1, [Have NetBSD OS])
        # NetBSD 5.0 and newer provides atomic operations but we can
        # only use these on systems where PR #42842 has been fixed so
        # we must try and link a test program using C++.
        netbsd_has_atomic=no
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_LANG_PUSH([C++])
        AC_LINK_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [netbsd_has_atomic=yes],
            [netbsd_has_atomic=no])
        AC_LANG_POP([C++])
        AC_MSG_RESULT([$netbsd_has_atomic])
        if test "x$netbsd_has_atomic" = "xno"; then
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *openbsd*)
        # Define on OpenBSD to enable all library features
        CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_OPENBSD, 1, [Have OpenBSD OS])
        ;;
    *nto-qnx*)
        pedantic="no"
        AC_DEFINE(ZMQ_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
        AC_CHECK_LIB(socket,main)
        ;;
    *aix*)
        AC_DEFINE(ZMQ_HAVE_AIX, 1, [Have AIX OS])
        ;;
    *hpux*)
        # Define on HP-UX to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L"
        AC_DEFINE(ZMQ_HAVE_HPUX, 1, [Have HPUX OS])
        AC_CHECK_LIB(rt, main)
        ;;
    *mingw32*)
        AC_DEFINE(ZMQ_HAVE_WINDOWS, 1, [Have Windows OS])
        AC_DEFINE(ZMQ_HAVE_MINGW32, 1, [Have MinGW32])
        AC_CHECK_HEADERS(windows.h)
        AC_CHECK_LIB(ws2_32, main, ,
            [AC_MSG_ERROR([cannot link with ws2_32.dll.])])
        AC_CHECK_LIB(Rpcrt4, main, ,
            [AC_MSG_ERROR([cannot link with Rpcrt4.dll.])])
        AC_CHECK_LIB(Iphlpapi, main, ,
            [AC_MSG_ERROR([cannot link with Iphlpapi.dll.])])
        CFLAGS="${CFLAGS} -std=c99"
        on_mingw32="yes"
        install_man="no"
        ;;
    *cygwin*)
        AC_DEFINE(ZMQ_HAVE_CYGWIN, 1, [Have Cygwin])
        ;;
    *)
        AC_MSG_ERROR([unsupported system: ${host_os}.])
        ;;
esac

# CPU-specific optimizations
case "${host_cpu}" in
    *sparc*)
        CPPFLAGS="$CPPFLAGS -mcpu=v9"
    ;;
    *)
    ;;
esac

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \
stdlib.h string.h sys/socket.h sys/time.h unistd.h limits.h)

# Force not to use eventfd
AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=no]])],
    [disable_eventfd=yes], [disable_eventfd=no])

eventfd_headers="no"
eventfd_can_run="no"

if test "x$disable_eventfd" != "xyes"; then
    # Check if we have eventfd.h header file.
    AC_CHECK_HEADERS(sys/eventfd.h, [eventfd_headers=yes])

    AC_MSG_CHECKING([for sys/eventfd.h functionality])

    AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([[#include <sys/eventfd.h>
          #include <assert.h>]],
        [[int fd = eventfd (0, 0); assert (fd != -1);]])],
        [eventfd_can_run=yes], [], eventfd_can_run=no)

    AC_MSG_RESULT([$eventfd_can_run])

    if test "x$eventfd_headers" = "xyes" -a "x$eventfd_can_run" = "xyes"; then
        AC_DEFINE(ZMQ_HAVE_EVENTFD, 1,[Have eventfd extension.])
    fi
fi

# Check if we have ifaddrs.h header file.
AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])])

# Use c++ in subsequent tests
AC_LANG(C++)

# Optional stuff
AC_CHECK_PROG(have_pkg_config, pkg-config, yes, no)

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_HEADER_TIME
AC_TYPE_UINT32_T
AC_C_VOLATILE

# Substs
stdint="0"
if test "x$HAVE_STDINT_H" = "xyes"; then
    stdint="1"
fi

inttypes="0"
if test "x$HAVE_INTTYPES_H" = "xyes"; then
    inttypes="1"
fi

# c 
czmq="no"
AC_ARG_WITH([c], [AS_HELP_STRING([--with-c], 
    [build c language binding [default=no]])], [c=yes], [c=no])

if test "x$c" != "xno"; then
    czmq="yes" 
fi

# c++
cppzmq="no"
AC_ARG_WITH([cpp], [AS_HELP_STRING([--with-cpp], 
    [build c++ language binding [default=no]])], [cpp=yes], [cpp=no])

if test "x$cpp" != "xno"; then
    cppzmq="yes" 
fi

# Python
pyzmq="no"
AC_ARG_WITH(python_headersdir,
    AS_HELP_STRING([--with-python-headersdir], [Python.h header file location]),
        [python_headersdir="$withval"], [python_headersdir="no"])

AC_ARG_WITH([python], [AS_HELP_STRING([--with-python], [build Python language binding [default=no]])], [with_python=yes], [with_python=no])
if test "x$with_python" != "xno"; then
    AM_PATH_PYTHON([2.4], , [:])
    if test "x$PYTHON" = "x:"; then
        AC_MSG_ERROR([the --with-python option requires that python be installled.]);
    fi

    if test "x$python_headersdir" != "xno"; then
        PYTHON_INCLUDES="-I${python_headersdir}"
        PYTHON_SETUP_INCLUDES="${python_headersdir}"

        AC_CHECK_HEADERS($python_headersdir/Python.h, [] , 
            [AC_MSG_ERROR([cannot find a usable Python.h in ${python_headersdir}.])])

    else 
        py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
        py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
        PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
        PYTHON_SETUP_INCLUDES="${py_prefix}/include/python${PYTHON_VERSION}"

        if test "$py_prefix" != "$py_exec_prefix"; then
            PYTHON_INCLUDES="${PYTHON_INCLUDES} -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
        fi

        AC_CHECK_HEADERS($py_prefix/include/python${PYTHON_VERSION}/Python.h, [] , 
            [AC_MSG_ERROR([cannot find a usable Python.h in $py_prefix/include/python${PYTHON_VERSION}.])])
    fi

    AC_SUBST(PYTHON_INCLUDES)
    AC_SUBST(PYTHON_SETUP_INCLUDES)

    pyzmq="yes"
fi

# RUBY
rbzmq="no"
AC_ARG_WITH(ruby_headersdir,
    AS_HELP_STRING([--with-ruby-headersdir], [ruby.h header file location]),
        [ruby_headersdir="$withval"], [ruby_headersdir="no"])

if test "x$ruby_headersdir" != "xno"; then
    CPPFLAGS="${CPPFLAGS} -I${ruby_headersdir}"
fi

AC_ARG_WITH(ruby_libdir,
    AS_HELP_STRING([--with-ruby-libdir],[libruby library file location]),
        [ruby_libdir="$withval"], [ruby_libdir="no"])

if test "x$ruby_libdir" != "xno"; then
    LDFLAGS="${LDFLAGS} -L${ruby_libdir}"
fi

AC_ARG_WITH([ruby], [AS_HELP_STRING([--with-ruby], [build ruby language binding [default=no]])], [with_ruby=yes], [with_ruby=no])
if test "x$with_ruby" != "xno"; then
    AC_CHECK_HEADERS([ruby.h], [], 
        [AC_MSG_ERROR([cannot find Ruby header files. Please specify their location with --with-ruby-headersdir.])])

    AC_SEARCH_LIBS(ruby_init,[ruby ruby1.8 ruby18],, 
        [AC_MSG_ERROR([cannot link with Ruby library. Please specify it's location with --with-ruby-libdir.])])
   
    rbzmq="yes"
fi

AC_ARG_WITH([rubydir], [AS_HELP_STRING([--with-rubydir],
    [librbzmq install dir [default=EPREFIX/lib]])],
    [rubydir="$withval"], [rubydir="_default_"])

if test "$rubydir" = "_default_"; then
    rubydir=${libdir}
else
    rubydir=${rubydir}
fi

RUBYDIR="$rubydir"
AC_SUBST([RUBYDIR])

if test "x$pyzmq" = "xyes"; then
    AC_CHECK_PROG(have_python, python, yes, no)
    if test "x$have_python" != "xyes"; then
        AC_MSG_ERROR([the --with-python option requires that python be installed.])
    fi
fi
    
# Java language binding
jzmq="no"
AC_ARG_WITH([java], [AS_HELP_STRING([--with-java], [build Java language binding [default=no]])], [with_java=yes], [with_java=no])
if test "x$with_java" != "xno"; then
    AC_PATH_PROG(JAVAC, javac, "no",[$PATH:$JAVA_HOME/bin])
    if test "x$JAVAC" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that javac be on the path.]);
    fi

    AC_PATH_PROG(JAVAH, javah, "no",[$PATH:$JAVA_HOME/bin])
    if test "x$JAVAH" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that javah be on the path.]);
    fi

    AC_PATH_PROG(JAR, jar, "no", [$PATH:$JAVA_HOME/bin])
    if test "x$JAR" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that jar be on the path.]);
    fi

    if test "x$JAVA_HOME" = "x"; then
        AC_MSG_ERROR([the --with-java option requires the JAVA_HOME environment variable be set to your JDK location.]);
    fi

    AC_MSG_CHECKING([for jni.h in a $JAVA_HOME/include dir])
    if test -f $JAVA_HOME/include/jni.h; then
        AC_MSG_RESULT([yes])
    else
        AC_MSG_ERROR([cannot find jni.h in the $JAVA_HOME/include directory.]);
    fi

    JAVAROOT=./
    AC_SUBST(JAVAROOT)

    case "${host_os}" in
        *solaris*)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/solaris"
        ;;
        *openbsd*)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/openbsd"
        ;;
        *)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/linux"
        ;;
    esac

    AC_SUBST(JAVA_INCLUDE)

    jzmq="yes"
else
# Workaround to be able to run make dist without real JAVAH
    JAVAH=true
    JAVAC=true
    JAR=true
fi

#  PGM extension
pgm_ext="no"

pgm_basename="libpgm-2.0.23rc8"

AC_SUBST(pgm_basename)

AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], 
    [build libzmq with PGM extension [default=no]])], 
    [with_pgm_ext=yes], [with_pgm_ext=no])

AC_ARG_WITH([pgm-examples], [AS_HELP_STRING([--with-pgm-examples], 
    [build PGM examples [default=no]])], 
    [with_pgm_examples=yes], [with_pgm_examples=no])

if test "x$with_pgm_ext" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-pgm.]);
fi

if test "x$c" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-c.]);
fi

if test "x$with_pgm_ext" != "xno"; then

    AC_MSG_CHECKING([if the PGM extension is supported on this platform])
    # OpenPGM is only supported by the vendor on x86 and AMD64 platforms...
    case "${host_cpu}" in
        i*86|x86_64)
            # Supported
        ;;
        *)
            AC_MSG_ERROR([the PGM extension is not supported on the ${host_cpu} platform.])
        ;;
    esac

    # ... and on Linux/Windows/Solaris systems.
    case "${host_os}" in
        *linux*|*mingw32*|*solaris*)
            LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -Wno-variadic-macros -Wno-long-long "
        ;;
        *)
            AC_MSG_ERROR([the PGM extension is not supported on system ${host_os}.])
        ;;
    esac
    AC_MSG_RESULT([yes])

    #  Test if we have pkg-config
    if test "x$have_pkg_config" != "xyes"; then
        AC_MSG_ERROR([the --with-pgm option requires that pkg-config be installed.]);
    fi
    
    #  Check for OpenPGM dependencies
    PKG_CHECK_MODULES([GLIB], [glib-2.0 gthread-2.0])
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} ${GLIB_CFLAGS} "
    LIBZMQ_EXTRA_LDFLAGS="${LIBZMQ_EXTRA_LDFLAGS} ${GLIB_LIBS} "
    
    #  Bunzip2, Perl and Python are required duing PGM build
    AC_CHECK_PROG(have_bunzip2, bunzip2, yes, no)
    if test "x$have_bunzip2" != "xyes"; then
        AC_MSG_ERROR([bunzip2 is required for building the PGM extension.])
    fi
    AC_CHECK_PROG(have_perl, perl, yes, no)
    if test "x$have_perl" != "xyes"; then
        AC_MSG_ERROR([perl is required for building the PGM extension.])
    fi
    if test "x$pyzmq" != "xyes"; then
        AC_CHECK_PROG(have_python, python, yes, no)
        if test "x$have_python" != "xyes"; then
            AC_MSG_ERROR([python is required for building the PGM extension.])
        fi
    fi

    #  Unpack libpgm
    AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.bz2])
    if ! bunzip2 -c foreign/openpgm/${pgm_basename}.tar.bz2 | tar -xf - -C foreign/openpgm/; then
        AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.bz2 file.])
    fi

    #  Success!
    AC_DEFINE(ZMQ_HAVE_OPENPGM, 1, [Have OpenPGM extension])
    pgm_ext="yes"
fi

# If not on QNX nor OSX nor PGM add -pedantic into LIBZMQ_EXTRA_CXXFLAGS.
if test "x$pedantic" = "xyes" -a "x$pgm_ext" = "xno"; then
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -pedantic"
fi

# If not on QNX nor PGM add -Werror into LIBZMQ_EXTRA_CXXFLAGS.
if test "x$werror" = "xyes" -a "x$pgm_ext" = "xno"; then
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -Werror"
fi

# Forwarder device
forwarder="no"
AC_ARG_WITH([forwarder], [AS_HELP_STRING([--with-forwarder], 
    [build forwarder device [default=no]])], [with_forwarder=yes], [with_forwarder=no])

if test "x$with_forwarder" != "xno"; then
    forwarder="yes"
fi

# Streamer device
streamer="no"
AC_ARG_WITH([streamer], [AS_HELP_STRING([--with-streamer], 
    [build streamer device [default=no]])], [with_streamer=yes], [with_streamer=no])

if test "x$with_streamer" != "xno"; then
    streamer="yes"
fi

# Queue device
queue="no"
AC_ARG_WITH([queue], [AS_HELP_STRING([--with-queue], 
    [build queue device [default=no]])], [with_queue=yes], [with_queue=no])

if test "x$with_queue" != "xno"; then
    queue="yes"
fi

# Perf
perf="no"
AC_ARG_WITH([perf], [AS_HELP_STRING([--with-perf], 
    [build performance tests [default=no]])], [with_perf=yes], [with_perf=no])

if test "x$with_perf" != "xno"; then
    perf="yes"

    if test "x$czmq" = "xno" -a "x$cppzmq" = "xno" -a "x$pyzmq" = "xno" -a \
          "x$jzmq" = "xno" -a "x$rbzmq" = "xno"; then
        AC_MSG_ERROR([the --with-perf option requires at least one language binding.]);
    fi
fi

if test "x$with_perf" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-perf.]);
fi

# Chat example
chat="no"
AC_ARG_WITH([chat], [AS_HELP_STRING([--with-chat], [build chatroom example [default=no]])], [with_chat=yes], [with_chat=no])
if test "x$with_chat" != "xno"; then
    chat="yes"
fi

AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
AM_CONDITIONAL(BUILD_JAVA, test "x$jzmq" = "xyes")
AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
AM_CONDITIONAL(BUILD_RUBY, test "x$rbzmq" = "xyes")
AM_CONDITIONAL(BUILD_C, test "x$czmq" = "xyes")
AM_CONDITIONAL(BUILD_CPP, test "x$cppzmq" = "xyes")
AM_CONDITIONAL(BUILD_PGM, test "x$pgm_ext" = "xyes")
AM_CONDITIONAL(BUILD_NO_PGM, test "x$pgm_ext" = "xno")
AM_CONDITIONAL(BUILD_FORWARDER, test "x$forwarder" = "xyes")
AM_CONDITIONAL(BUILD_STREAMER, test "x$streamer" = "xyes")
AM_CONDITIONAL(BUILD_QUEUE, test "x$queue" = "xyes")  
AM_CONDITIONAL(BUILD_PERF, test "x$perf" = "xyes")
AM_CONDITIONAL(BUILD_CHAT, test "x$chat" = "xyes")
AM_CONDITIONAL(ON_MINGW, test "x$on_mingw32" = "xyes")
AM_CONDITIONAL(BUILD_PGM_EXAMPLES, test "x$with_pgm_examples" = "xyes")
AM_CONDITIONAL(INSTALL_MAN, test "x$install_man" = "xyes")
AM_CONDITIONAL(BUILD_DOC, test "x$build_doc" = "xyes")

AC_SUBST(stdint)
AC_SUBST(inttypes)

# Subst LIBZMQ_EXTRA_CXXFLAGS & LDFLAGS
AC_SUBST(LIBZMQ_EXTRA_CXXFLAGS)
AC_SUBST(LIBZMQ_EXTRA_LDFLAGS)


# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday memset socket getifaddrs freeifaddrs)

AC_OUTPUT(Makefile src/Makefile doc/Makefile bindings/python/Makefile \
    bindings/python/setup.py bindings/ruby/Makefile \
    bindings/java/Makefile perf/Makefile perf/c/Makefile perf/cpp/Makefile \
    perf/python/Makefile perf/ruby/Makefile perf/java/Makefile src/libzmq.pc \
    devices/Makefile devices/zmq_forwarder/Makefile \
    devices/zmq_streamer/Makefile devices/zmq_queue/Makefile bindings/Makefile \
    examples/Makefile examples/chat/Makefile)

#  On Linux patch libtool to delete hardcoded paths (rpath).
case "${host_os}" in
    *linux*)
        sed < libtool > libtool-2 \
        's/^hardcode_libdir_flag_spec.*$'/'hardcode_libdir_flag_spec=" "/'
        mv libtool-2 libtool
        chmod 755 libtool
        ;;
esac

AC_MSG_RESULT([])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([                            0MQ     ])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([  This software is distributed under the terms and ])
AC_MSG_RESULT([  conditions of the LESSER GNU GENERAL PUBLIC LICENSE. ])
AC_MSG_RESULT([  See the file COPYING and COPYING.LESSER for the full ])
AC_MSG_RESULT([  license text. ])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([])
AC_MSG_RESULT([ 0MQ install dir: $prefix])
AC_MSG_RESULT([   Language bindings:])
AC_MSG_RESULT([     C: $czmq])
AC_MSG_RESULT([     C++: $cppzmq])
AC_MSG_RESULT([     Java: $jzmq])
AC_MSG_RESULT([     Python: $pyzmq])
AC_MSG_RESULT([     Ruby: $rbzmq])
if test "x$rbzmq" = "xyes"; then
AC_MSG_RESULT([       Ruby library install dir: $rubydir])
fi
AC_MSG_RESULT([   Transports:])
AC_MSG_RESULT([     tcp: yes])
AC_MSG_RESULT([     udp: $pgm_ext])
AC_MSG_RESULT([     pgm: $pgm_ext])
AC_MSG_RESULT([     inproc: yes])
AC_MSG_RESULT([   Devices:])
AC_MSG_RESULT([     Forwarder: $forwarder])
AC_MSG_RESULT([     Streamer: $streamer])
AC_MSG_RESULT([     Queue: $queue])
AC_MSG_RESULT([   Performance tests: $perf])
AC_MSG_RESULT([   Examples:])
AC_MSG_RESULT([     Chat: $chat])
AC_MSG_RESULT([])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([])