aboutsummaryrefslogtreecommitdiff
path: root/configure.ac
blob: 43a622feab140c16b9f94fbd0239f0d71cbd5866 (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
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
AC_PREREQ([2.60])
define(_CLIENT_VERSION_MAJOR, 0)
define(_CLIENT_VERSION_MINOR, 8)
define(_CLIENT_VERSION_REVISION, 99)
define(_CLIENT_VERSION_BUILD, 0)
define(_CLIENT_VERSION_IS_RELEASE, false)
define(_COPYRIGHT_YEAR, 2013)
AC_INIT([Bitcoin],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[info@bitcoin.org],[bitcoin])
AC_CONFIG_AUX_DIR([src/build-aux])
AC_CONFIG_MACRO_DIR([src/m4])
AC_CANONICAL_HOST
AH_TOP([#ifndef BITCOIN_CONFIG_H])
AH_TOP([#define BITCOIN_CONFIG_H])
AH_BOTTOM([#endif //BITCOIN_CONFIG_H])

# This m4 will only be used if a system copy cannot be found. This is helpful
# on systems where autotools are installed but the pkg-config macros are not in
# a default location. It is currently used for building on OSX where autotools
# are preinstalled but pkg-config comes from macports or homebrew. It should
# probably be removed when building on <= 10.6 is no longer supported.
m4_include([pkg.m4])

dnl faketime breaks configure and is only needed for make. Disable it here.
unset FAKETIME

dnl ==============================================================
dnl Setup for automake
dnl ==============================================================

AM_INIT_AUTOMAKE([no-define subdir-objects foreign])

dnl faketime messes with timestamps and causes configure to be re-run.
dnl --disable-maintainer-mode can be used to bypass this.
AM_MAINTAINER_MODE([enable])

dnl make the compilation flags quiet unless V=1 is used
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

AC_ARG_WITH([miniupnpc],
  [AS_HELP_STRING([--with-miniupnpc],
  [enable UPNP (default is yes if libminiupnpc is found)])],
  [use_upnp=$withval],
  [use_upnp=auto])

AC_ARG_ENABLE([upnp-default],
  [AS_HELP_STRING([--enable-upnp-default],
  [if UPNP is enabled, turn it on at startup (default is no)])],
  [use_upnp_default=$enableval],
  [use_upnp_default=no])

dnl enable ipv6 support
AC_ARG_ENABLE([ipv6],
  [AS_HELP_STRING([--enable-ipv6],
  [enable ipv6 (default is yes)])],
  [use_ipv6=$enableval],
  [use_ipv6=yes])

dnl enable qt support
AC_ARG_WITH([qt],
  [AS_HELP_STRING([--with-qt],
  [enable qt (default is yes)])],
  [use_qt=$withval],
  [use_qt=yes])

AC_ARG_ENABLE(tests,
    AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
    [use_tests=$enableval],
    [use_tests=yes])

AC_ARG_WITH([comparison-tool],
    AS_HELP_STRING([--with-comparison-tool],[path to java comparison tool (requires --enable-tests)]),
    [use_comparison_tool=$withval],
    [use_comparison_tool=no])

AC_ARG_ENABLE([comparison-tool-reorg-tests],
    AS_HELP_STRING([--enable-comparison-tool-reorg-tests],[enable expensive reorg tests in the comparison tool (default no)]),
    [use_comparison_tool_reorg_tests=$enableval],
    [use_comparison_tool_reorg_tests=no])

AC_ARG_WITH([qrencode],
  [AS_HELP_STRING([--with-qrencode],
  [enable QR code support (default is yes if qt is enabled and libqrencode is found)])],
  [use_qr=$withval],
  [use_qr=auto])

AC_ARG_WITH([qtdbus],
  [AS_HELP_STRING([--with-qtdbus],
  [enable DBus support (default is yes if qt is enabled and QtDBus is found)])],
  [use_dbus=$withval],
  [use_dbus=auto])

AC_ARG_ENABLE([hardening],
  [AS_HELP_STRING([--enable-hardening],
  [attempt to harden the resulting executables (default is yes)])],
  [use_hardening=$enableval],
  [use_hardening=yes])

AC_ARG_ENABLE([ccache],
  [AS_HELP_STRING([--enable-ccache],
  [enable building with ccache (default is yes if ccache is found)])],
  [use_ccache=$enableval],
  [use_ccache=auto])

AC_ARG_ENABLE([lcov],
  [AS_HELP_STRING([--enable-lcov],
  [enable lcov testing (default is no)])],
  [use_lcov=yes],
  [use_lcov=no])

AC_ARG_WITH([qt-incdir],[AS_HELP_STRING([--with-qt-incdir=INC_DIR],[specify qt include path (overridden by pkgconfig)])], [qt_include_path=$withval], [])
AC_ARG_WITH([qt-libdir],[AS_HELP_STRING([--with-qt-libdir=LIB_DIR],[specify qt lib path (overridden by pkgconfig)])], [qt_lib_path=$withval], [])
AC_ARG_WITH([qt-bindir],[AS_HELP_STRING([--with-qt-bindir=BIN_DIR],[specify qt bin path])], [qt_bin_path=$withval], [])
AC_ARG_WITH([qt-plugindir],[AS_HELP_STRING([--with-qt-plugindir=PLUGIN_DIR],[specify qt plugin path (overridden by pkgconfig)])], [qt_plugin_path=$withval], [])
AC_ARG_WITH([protoc-bindir],[AS_HELP_STRING([--with-protoc-bindir=BIN_DIR],[specify protoc bin path])], [protoc_bin_path=$withval], [])


AC_CONFIG_SRCDIR([src])
AC_CONFIG_HEADERS([src/bitcoin-config.h])

dnl Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXXCPP
AC_PROG_INSTALL
AC_PROG_OBJC
m4_ifdef([AC_PROG_OBJCXX],[AC_PROG_OBJCXX])
AC_PROG_MKDIR_P
AC_PROG_SED
AC_PATH_TOOL(AR, ar)
AC_PATH_TOOL(RANLIB, ranlib)
AC_PATH_TOOL(STRIP, strip)
AC_PATH_TOOL(GCOV, gcov)
AC_PATH_PROG(LCOV, lcov)
AC_PATH_PROG(JAVA, java)
AC_PATH_PROG(GENHTML, genhtml)
AC_PATH_PROG([GIT], [git])
AC_PATH_PROGS([MOC], [moc-qt4 moc4 moc],, $qt_bin_path:$PATH)
AC_PATH_PROGS([UIC], [uic-qt4 uic4 uic],, $qt_bin_path:$PATH)
AC_PATH_PROGS([RCC], [rcc-qt4 rcc4 rcc],, $qt_bin_path:$PATH)
AC_PATH_PROGS([LRELEASE], [lrelease-qt4 lrelease4 lrelease],, $qt_bin_path:$PATH)
AC_PATH_PROGS([LUPDATE], [lupdate-qt4 lupdate4 lupdate],, $qt_bin_path:$PATH)
AC_PATH_PROG([PROTOC], [protoc],, $protoc_bin_path:$PATH)
AC_PATH_PROG(CCACHE,ccache)
AC_PATH_PROG(XGETTEXT,xgettext)
AC_PATH_PROG(HEXDUMP,hexdump)
PKG_PROG_PKG_CONFIG

## TODO: Remove these hard-coded paths and flags. They are here for the sake of
##       compatibility with the legacy buildsystem.
##
CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter"
CPPFLAGS="$CPPFLAGS -DBOOST_SPIRIT_THREADSAFE -DHAVE_BUILD_INFO"

AC_LANG_PUSH([C++])

use_pkgconfig=yes
case $host in
  *mingw*)

     #pkgconfig does more harm than good with MinGW
     use_pkgconfig=no

     TARGET_OS=windows
     AC_CHECK_LIB([mingwthrd],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([kernel32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([user32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([gdi32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([comdlg32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([winspool],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([winmm],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([shell32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([comctl32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([ole32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([oleaut32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([uuid],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([rpcrt4],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([advapi32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([ws2_32],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([mswsock],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([shlwapi],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([iphlpapi],      [main],, AC_MSG_ERROR(lib missing))
     AC_CHECK_LIB([crypt32],      [main],, AC_MSG_ERROR(lib missing))

     AX_CHECK_LINK_FLAG([[-static-libgcc]],[LDFLAGS="$LDFLAGS -static-libgcc"])
     AX_CHECK_LINK_FLAG([[-static-libstdc++]],[LDFLAGS="$LDFLAGS -static-libstdc++"])

     AC_PATH_PROG([MAKENSIS], [makensis], none)
     if test x$MAKENSIS = xnone; then
       AC_MSG_WARN("makensis not found. Cannot create installer.")
     fi

     AC_PATH_TOOL(WINDRES, windres, none)
     if test x$WINDRES = xnone; then
       AC_MSG_ERROR("windres not found")
     fi

     CPPFLAGS="$CPPFLAGS -D_MT -DWIN32 -D_WINDOWS -DBOOST_THREAD_USE_LIB"
     LEVELDB_TARGET_FLAGS="TARGET_OS=OS_WINDOWS_CROSSCOMPILE"
     CXXFLAGS="$CXXFLAGS -w"
     ;;
  *darwin*)
     TARGET_OS=darwin
     LEVELDB_TARGET_FLAGS="TARGET_OS=Darwin"
     if  test x$cross_compiling != xyes; then
       AC_CHECK_PROG([PORT],port, port)
       if test x$PORT = xport; then
         dnl add default macports paths
         CPPFLAGS="$CPPFLAGS -I/opt/local/include -I/opt/local/include/db48"
         LIBS="$LIBS -L/opt/local/lib -L/opt/local/lib/db48"
       fi

       AC_CHECK_PROG([BREW],brew, brew)
       if test x$BREW = xbrew; then
         dnl add default homebrew paths
         openssl_prefix=`$BREW --prefix openssl`
         bdb_prefix=`$BREW --prefix berkeley-db4`
         export PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
         CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
         LIBS="$LIBS -L/$bdb_prefix/lib"
       fi
     fi

     if test x$use_qt = xyes; then
       MOC_DEFS="-DQ_OS_MAC"
       base_frameworks="-framework Foundation -framework ApplicationServices -framework AppKit"
       AX_CHECK_LINK_FLAG([[$base_frameworks]],[LIBS="$LIBS $base_frameworks"],[AC_MSG_ERROR(could not find base frameworks)])
     fi

     CPPFLAGS="$CPPFLAGS -DMAC_OSX"
     TESTDEFS="-DBOOST_TEST_DYN_LINK"
     ;;
   *)
     TESTDEFS="-DBOOST_TEST_DYN_LINK"
     ;;
esac

if test x$use_comparison_tool != xno; then
  AC_SUBST(JAVA_COMPARISON_TOOL, $use_comparison_tool)
fi

if test x$use_comparison_tool_reorg_tests != xno; then
  if test x$use_comparison_tool == x; then
    AC_MSG_ERROR("comparison tool reorg tests but comparison tool was not specified")
  fi
  AC_SUBST(COMPARISON_TOOL_REORG_TESTS, 1)
else
  AC_SUBST(COMPARISON_TOOL_REORG_TESTS, 0)
fi

if test x$use_lcov == xyes; then
  if test x$LCOV == x; then
    AC_MSG_ERROR("lcov testing requested but lcov not found")
  fi
  if test x$GCOV == x; then
    AC_MSG_ERROR("lcov testing requested but gcov not found")
  fi
  if test x$JAVA == x; then
    AC_MSG_ERROR("lcov testing requested but java not found")
  fi
  if test x$GENHTML == x; then
    AC_MSG_ERROR("lcov testing requested but genhtml not found")
  fi
  if test x$use_comparison_tool == x; then
    AC_MSG_ERROR("lcov testing requested but comparison tool was not specified")
  fi
  LCOV="$LCOV --gcov-tool=$GCOV"
  AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],
    [AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")])
fi

dnl Require little endian
AC_C_BIGENDIAN([AC_MSG_ERROR("Big Endian not supported")])

dnl Check for pthread compile/link requirements
AX_PTHREAD
INCLUDES="$INCLUDES $PTHREAD_CFLAGS"

# The following macro will add the necessary defines to bitcoin-config.h, but
# they also need to be passed down to any subprojects. Pull the results out of
# the cache and add them to CPPFLAGS.
AC_SYS_LARGEFILE

if test x$ac_cv_sys_file_offset_bits != x &&
   test x$ac_cv_sys_file_offset_bits != xno &&
   test x$ac_cv_sys_file_offset_bits != xunknown; then
  CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
fi

if test x$ac_cv_sys_large_files != x &&
   test x$ac_cv_sys_large_files != xno &&
   test x$ac_cv_sys_large_files != xunknown; then
  CPPFLAGS="$CPPFLAGS -D_LARGE_FILES=$ac_cv_sys_large_files"
fi

AX_CHECK_LINK_FLAG([[-Wl,--large-address-aware]], [LDFLAGS="$LDFLAGS -Wl,--large-address-aware"])

if test x$use_hardening != xno; then
  AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
  AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"])

  AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -D_FORTIFY_SOURCE=2"])

  AX_CHECK_LINK_FLAG([[-Wl,--dynamicbase]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"])
  AX_CHECK_LINK_FLAG([[-Wl,--nxcompat]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"])
  AX_CHECK_LINK_FLAG([[-Wl,-z,relro]], [LDFLAGS="-Wl,-z,relro"])
  AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [LDFLAGS="-Wl,-z,now"])

  if test x$TARGET_OS != xwindows; then
    # -fstack-protector-all can produce broken binaries with mingw
    AX_CHECK_COMPILE_FLAG([-fno-stack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fno-stack-protector"])
    AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])

    # -pie will link successfully with MinGW, but it's unsupported and leads to undeterministic binaries
    AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"])
  fi

  CXXFLAGS="$CXXFLAGS $HARDENED_CXXFLAGS"
  CPPFLAGS="$CPPFLAGS $HARDENED_CPPFLAGS"
  LDFLAGS="$LDFLAGS $HARDENED_LDFLAGS"
  OBJCXXFLAGS="$CXXFLAGS"
fi

dnl this flag screws up non-darwin gcc even when the check fails. special-case it.
if test x$TARGET_OS = xdarwin; then
  AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"])
fi

AC_CHECK_HEADERS([stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h])

dnl Check for MSG_NOSIGNAL
AC_MSG_CHECKING(for MSG_NOSIGNAL)
AC_TRY_COMPILE([#include <sys/socket.h>],
 [ int f = MSG_NOSIGNAL; ],
 [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MSG_NOSIGNAL, 1,[Define this symbol if you have MSG_NOSIGNAL]) ],
 [ AC_MSG_RESULT(no)]
)

dnl Check for libdb_cxx
BITCOIN_FIND_BDB48

dnl Check for libminiupnpc (optional)
if test x$use_upnp != xno; then
  AC_CHECK_HEADERS(
    [miniupnpc/miniwget.h miniupnpc/miniupnpc.h miniupnpc/upnpcommands.h miniupnpc/upnperrors.h],
    [AC_CHECK_LIB([miniupnpc], [main],, [have_miniupnpc=no])],
    [have_miniupnpc=no]
  )
fi

dnl Check for boost libs
AX_BOOST_BASE
AX_BOOST_SYSTEM
AX_BOOST_FILESYSTEM
AX_BOOST_PROGRAM_OPTIONS
AX_BOOST_THREAD
AX_BOOST_CHRONO

if test x$use_tests = xyes; then

  if test x$HEXDUMP = x; then
    AC_MSG_ERROR(hexdump is required for tests)
  fi


  AX_BOOST_UNIT_TEST_FRAMEWORK
fi

BOOST_LIBS="$BOOST_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_FILESYSTEM_LIB $BOOST_PROGRAM_OPTIONS_LIB $BOOST_THREAD_LIB"
BOOST_INCLUDES="$BOOST_CPPFLAGS"

dnl Boost >= 1.50 uses sleep_for rather than the now-deprecated sleep, however
dnl it was broken from 1.50 to 1.52 when backed by nanosleep. Use sleep_for if
dnl a working version is available, else fall back to sleep. sleep was removed
dnl after 1.56.
dnl If neither is available, abort.
dnl If sleep_for is used, boost_chrono becomes a requirement.
if test x$ax_cv_boost_chrono = xyes; then
TEMP_LIBS="$LIBS"
LIBS="$LIBS $BOOST_LIBS $BOOST_CHRONO_LIB"
AC_TRY_LINK([
  #include <boost/thread/thread.hpp>
  #include <boost/version.hpp>
  ],[
  #if BOOST_VERSION >= 105000 && (!defined(BOOST_HAS_NANOSLEEP) || BOOST_VERSION >= 105200)
      boost::this_thread::sleep_for(boost::chrono::milliseconds(0));
  #else
   choke me
  #endif
  ],
  [boost_sleep=yes; BOOST_LIBS="$BOOST_LIBS $BOOST_CHRONO_LIB";
     AC_DEFINE(HAVE_WORKING_BOOST_SLEEP_FOR, 1, [Define this symbol if boost sleep_for works])],
  [boost_sleep=no])
LIBS="$TEMP_LIBS"
fi

if test x$boost_sleep != xyes; then
TEMP_LIBS="$LIBS"
LIBS="$LIBS $BOOST_LIBS"
AC_TRY_LINK([
  #include <boost/version.hpp>
  #include <boost/thread.hpp>
  #include <boost/date_time/posix_time/posix_time_types.hpp>
  ],[
  #if BOOST_VERSION <= 105600
      boost::this_thread::sleep(boost::posix_time::milliseconds(0));
  #else
   choke me
  #endif
  ],
  [boost_sleep=yes; AC_DEFINE(HAVE_WORKING_BOOST_SLEEP, 1, [Define this symbol if boost sleep works])],
  [boost_sleep=no])
LIBS="$TEMP_LIBS"
fi

if test x$boost_sleep != xyes; then
  AC_MSG_ERROR(No working boost sleep implementation found)
fi

if test x$use_pkgconfig = xyes; then

  if test x$PKG_CONFIG == x; then
    AC_MSG_ERROR(pkg-config not found.)
  fi

  : #NOP
  m4_ifdef(
    [PKG_CHECK_MODULES],
    [
      PKG_CHECK_MODULES([SSL], [libssl], [INCLUDES="$INCLUDES $SSL_CFLAGS"; LIBS="$LIBS $SSL_LIBS"], [AC_MSG_ERROR(openssl  not found.)])
      PKG_CHECK_MODULES([CRYPTO], [libcrypto], [INCLUDES="$INCLUDES $CRYPTO_CFLAGS"; LIBS="$LIBS $CRYPTO_LIBS"], [AC_MSG_ERROR(libcrypto  not found.)])

      if test x$use_qt = xyes; then
        PKG_CHECK_MODULES([QT], [QtCore QtGui QtNetwork], [QT_INCLUDES="$QT_CFLAGS"; have_qt=yes], [have_qt=no])
        if test x$use_tests = xyes; then
          PKG_CHECK_MODULES([QT_TEST], [QtTest], [QT_TEST_INCLUDES="$QT_TEST_CFLAGS"; have_qt_test=yes], [have_qt_test=no])
        fi
        if test x$use_dbus != xno; then
          PKG_CHECK_MODULES([QT_DBUS], [QtDBus], [QT_DBUS_INCLUDES="$QT_DBUS_CFLAGS"; have_qt_dbus=yes], [have_qt_dbus=no])
        fi
        if test x$use_qr != xno; then
          PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])
        fi
        PKG_CHECK_MODULES([PROTOBUF], [protobuf], [have_protobuf=yes], [AC_MSG_ERROR(libprotobuf not found.)])
      fi
    ]
  )
else
  AC_CHECK_HEADER([openssl/crypto.h],,AC_MSG_ERROR(libcrypto headers missing))
  AC_CHECK_LIB([crypto],      [main],, AC_MSG_ERROR(libcrypto missing))

  AC_CHECK_HEADER([openssl/ssl.h],, AC_MSG_ERROR(libssl headers missing),)
  AC_CHECK_LIB([ssl],         [main],, AC_MSG_ERROR(libssl missing))

  if test x$use_qt = xyes; then
    TEMP_LIBS="$LIBS"
    LIBS=
    if test x$qt_lib_path != x; then
      QT_LIBS="$QT_LIBS -L$qt_lib_path"
      LIBS="$QT_LIBS"
    fi
    if test x$qt_plugin_path != x; then
      QT_LIBS="$QT_LIBS -L$qt_plugin_path/codecs"
      LIBS="$QT_LIBS"
    fi

    if test x$TARGET_OS == xwindows; then
      AC_CHECK_LIB([imm32],      [main],, AC_MSG_ERROR(libimm32 not found. Install it or use --without-qt.))
    fi

    #TODO: These are only needed when they're linked directly to parent libs. It really has nothing to do with windows.
    #Instead, check for missing functions in parent libs and assume static if they're absent.
    if test x$TARGET_OS == xwindows; then
      AC_CHECK_LIB([qcncodecs],      [main],, AC_MSG_ERROR(libqcncodecs not found. Install it or use --without-qt.))
      AC_CHECK_LIB([qjpcodecs],      [main],, AC_MSG_ERROR(libqjpcodecs not found. Install it or use --without-qt.))
      AC_CHECK_LIB([qkrcodecs],      [main],, AC_MSG_ERROR(libqkrcodecs not found. Install it or use --without-qt.))
      AC_CHECK_LIB([qtwcodecs],      [main],, AC_MSG_ERROR(libqtwcodecs not found. Install it or use --without-qt.))
    fi

    AC_CHECK_LIB([QtCore],      [main],, AC_MSG_ERROR(libQtCore not found. Install it or use --without-qt.))
    AC_CHECK_LIB([QtGui],      [main],, AC_MSG_ERROR(libQtGui not found. Install it or use --without-qt.))
    AC_CHECK_LIB([QtNetwork],      [main],, AC_MSG_ERROR(libQtNetwork not found. Install it or use --without-qt.))
    AC_CHECK_LIB([protobuf],      [main],, AC_MSG_ERROR(libprotobuf not found. Install it or use --without-qt.))
    QT_LIBS="$LIBS"
    LIBS="$TEMP_LIBS"

    TEMP_CPPFLAGS="$CPPFLAGS"
    if test x$qt_include_path != x; then
      QT_INCLUDES="-I$qt_include_path -I$qt_include_path/QtCore -I$qt_include_path/QtGui -I$qt_include_path/QtNetwork -I$qt_include_path/QtTest -I$qt_include_path/QtDBus"
      CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
    fi
    AC_CHECK_HEADER([QtPlugin],, AC_MSG_ERROR(QtCore headers missing. Install them or use --without-qt.),)
    AC_CHECK_HEADER([QApplication],, AC_MSG_ERROR(QtGUI headers missing. Install them or use --without-qt.),)
    AC_CHECK_HEADER([QLocalSocket],, AC_MSG_ERROR(QtNetwork headers missing. Install them or use --without-qt.),)

    if test x$use_tests = xyes; then
      TEMP_LIBS="$LIBS"
      LIBS=
      if test x$qt_lib_path != x; then
        LIBS="-L$qt_lib_path"
      fi
      AC_CHECK_LIB([QtTest],      [main],, have_qt_test=no)
      AC_CHECK_HEADER([QTest],, have_qt_test=no)
      QT_TEST_LIBS="$LIBS"
      LIBS="$TEMP_LIBS"
    fi
    if test x$use_dbus != xno; then
      TEMP_LIBS="$LIBS"
      LIBS=
      if test x$qt_lib_path != x; then
        LIBS="-L$qt_lib_path"
      fi
      AC_CHECK_LIB([QtDBus],      [main],, have_qt_dbus=no)
      AC_CHECK_HEADER([QtDBus],, have_qt_dbus=no)
      QT_DBUS_LIBS="$LIBS"
      LIBS="$TEMP_LIBS"
    fi
    CPPFLAGS="$TEMP_CPPFLAGS"
    if test x$use_qr != xno; then
      AC_CHECK_LIB([qrencode], [main],, [have_qrencode=no])
      AC_CHECK_HEADER([qrencode.h],, have_qrencode=no)
    fi
  fi
fi

if test x$use_ipv6 = xyes; then
  dnl Check for ipv6 build requirements
  AC_MSG_CHECKING(for IPV6 build support)
  AC_TRY_LINK([
  #if defined(_WINDOWS)
  #include <winsock2.h>
  #else
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <netinet/in.h>
  #endif
  ],[
  #if !defined(_WINDOWS)
  struct in6_addr ipv6Addr;
  struct sockaddr_in6 addr;
  #endif
  int temp = socket(AF_INET6, SOCK_STREAM, 0);],
  [AC_MSG_RESULT(yes); have_ipv6=yes; AC_DEFINE(HAVE_IPV6, 1, [Define this symbol if you have ipv6 build support])],
  [AC_MSG_RESULT(no)]; have_ipv6=no)
fi
AC_LANG_POP

if test "x$use_ccache" != "xno"; then
  AC_MSG_CHECKING(if ccache should be enabled)
  if test x$CCACHE = x; then
    if test "x$use_ccache" = "xyes"; then
      AC_MSG_ERROR([ccache not found.]);
    else
      AC_MSG_NOTICE([ccache not found. Falling back to default CC])
      use_ccache=no
    fi
  else
    use_ccache=yes
    CC="$ac_cv_path_CCACHE $CC"
    CXX="$ac_cv_path_CCACHE $CXX"
  fi
  AC_MSG_RESULT($use_ccache)
fi

dnl enable ipv6 support
AC_MSG_CHECKING([if ipv6 should be enabled])
if test x$have_ipv6 = xno; then
  if test x$use_ipv6 = xyes; then
     AC_MSG_ERROR("ipv6 requested but cannot be built. use --disable-ipv6")
  fi
  AC_MSG_RESULT(no)
else
  if test x$use_ipv6 = xyes; then
      AC_MSG_RESULT(yes)
      AC_DEFINE([USE_IPV6],[1],[Define if ipv6 support should be compiled in])
  else
      AC_MSG_RESULT(no)
  fi
fi

dnl enable upnp support
AC_MSG_CHECKING([if upnp should be enabled])
if test x$have_miniupnpc = xno; then
  if test x$use_upnp = xyes; then
     AC_MSG_ERROR("upnp requested but cannot be built. use --without-miniupnpc")
  fi
  AC_MSG_RESULT(no)
else
  if test x$use_upnp != xno; then
    AC_MSG_RESULT(yes)
    AC_MSG_CHECKING([if upnp should be on by default])
    use_upnp=yes
    upnp_setting=0
    if test x$use_upnp_default != xno; then
      use_upnp_default=yes
      upnp_setting=1
    fi
    AC_MSG_RESULT($use_upnp_default)
    AC_DEFINE_UNQUOTED([USE_UPNP],[$upnp_setting],[Define to 1 for upnp runtime support])
    if test x$TARGET_OS = xwindows; then
      CPPFLAGS="$CPPFLAGS -DSTATICLIB"
    fi
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl enable qt support
AC_MSG_CHECKING([if qt should be enabled])
if test x$use_qt = xyes; then
  if test x$have_qt = xno; then
     AC_MSG_ERROR("qt support requested but qt could not be located. use --without-qt")
  fi
  if test x$MOC = x; then
    AC_MSG_ERROR("qt support requested but moc was not found. use --without-qt")
  fi
  if test x$PROTOC = x; then
    AC_MSG_ERROR("qt support requested but protoc was not found. use --without-qt")
  fi
  if test x$UIC = x; then
    AC_MSG_ERROR("qt support requested but uic was not found. use --without-qt")
  fi
  if test x$RCC = x; then
    AC_MSG_ERROR("qt support requested but rcc was not found. use --without-qt")
  fi
  if test x$LRELEASE = x; then
    AC_MSG_ERROR("qt support requested but lrelease was not found. use --without-qt")
  fi
  if test x$use_tests = xyes; then
    if test x$have_qt_test = xno; then
      AC_MSG_ERROR("libQtTest not found. Use --disable-tests or --without-qt.")
    fi
  fi
  if test x$have_qt_dbus = xno;  then
    use_dbus=no
    if test x$use_dbus = xyes; then
      AC_MSG_ERROR("libQtDBus not found. Use --without-qtdbus.")
    fi
  fi
  if test x$XGETTEXT == x; then
    AC_MSG_WARN("xgettext is required to update qt translations")
  fi
  if test x$LUPDATE == x; then
    AC_MSG_WARN("lupdate is required to update qt translations")
  fi

  BUILD_QT=qt
else
  use_qt=no
fi

AC_MSG_RESULT($use_qt)

dnl these are only used when qt is enabled
if test x$use_qt = xyes; then

  dnl enable dbus support
  AC_MSG_CHECKING([if dbus should be enabled])
  if test x$use_dbus != xno; then
    use_dbus=yes
    AC_DEFINE([USE_DBUS],[1],[Define if dbus support should be compiled in])
  else
    use_dbus=no
  fi
  AC_MSG_RESULT($use_dbus)

  dnl enable qr support
  AC_MSG_CHECKING([if qr should be enabled])
  if test x$have_qrencode = xno; then
    if test x$use_qr == xyes; then
     AC_MSG_ERROR("QR support requested but cannot be built. use --without-qrencode")
    fi
    AC_MSG_RESULT(no)
  else
    if test x$use_qr != xno; then
      AC_MSG_RESULT(yes)
      AC_DEFINE([USE_QRCODE],[1],[Define if QR support should be compiled in])
      use_qr=yes
    else
      AC_MSG_RESULT(no)
    fi
  fi

  if test x$use_tests = xyes; then
    BUILD_TEST_QT="test"
  fi
fi

if test x$use_tests = xyes; then
  BUILD_TEST="test"
fi

AM_CONDITIONAL([TARGET_DARWIN], [test x$TARGET_OS = xdarwin])
AM_CONDITIONAL([TARGET_WINDOWS], [test x$TARGET_OS = xwindows])
AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes])
AM_CONDITIONAL([USE_LCOV],[test x$use_lcov == xyes])
AM_CONDITIONAL([USE_COMPARISON_TOOL],[test x$use_comparison_tool != xno])
AM_CONDITIONAL([USE_COMPARISON_TOOL_REORG_TESTS],[test x$use_comparison_tool_reorg_test != xno])

AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version])
AC_DEFINE(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR, [Minor version])
AC_DEFINE(CLIENT_VERSION_REVISION, _CLIENT_VERSION_REVISION, [Build revision])
AC_DEFINE(CLIENT_VERSION_BUILD, _CLIENT_VERSION_BUILD, [Version Build])
AC_DEFINE(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE, [Version is release])
AC_DEFINE(COPYRIGHT_YEAR, _COPYRIGHT_YEAR, [Version is release])
AC_SUBST(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR)
AC_SUBST(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR)
AC_SUBST(CLIENT_VERSION_REVISION, _CLIENT_VERSION_REVISION)
AC_SUBST(CLIENT_VERSION_BUILD, _CLIENT_VERSION_BUILD)
AC_SUBST(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE)
AC_SUBST(COPYRIGHT_YEAR, _COPYRIGHT_YEAR)


AC_SUBST(USE_UPNP)
AC_SUBST(USE_QRCODE)
AC_SUBST(USE_IPV6)
AC_SUBST(INCLUDES)
AC_SUBST(BOOST_LIBS)
AC_SUBST(MOC_DEFS)
AC_SUBST(QT_INCLUDES)
AC_SUBST(QT_TEST_LIBS)
AC_SUBST(QT_LIBS)
AC_SUBST(QT_DBUS_LIBS)
AC_SUBST(QT_DBUS_INCLUDES)
AC_SUBST(QT_TEST_INCLUDES)
AC_SUBST(TESTDEFS)
AC_SUBST(LEVELDB_TARGET_FLAGS)
AC_SUBST(BUILD_QT)
AC_SUBST(BUILD_TEST)
AC_SUBST(BUILD_TEST_QT)
AC_CONFIG_FILES([Makefile src/Makefile src/test/Makefile src/qt/Makefile src/qt/test/Makefile share/setup.nsi share/qt/Info.plist])
AC_CONFIG_FILES([qa/pull-tester/run-bitcoind-for-test.sh],[chmod +x qa/pull-tester/run-bitcoind-for-test.sh])
AC_CONFIG_FILES([qa/pull-tester/build-tests.sh],[chmod +x qa/pull-tester/build-tests.sh])
AC_OUTPUT