configure.ac 26.1 KB
Newer Older
Martin Sustrik's avatar
Martin Sustrik committed
1 2 3
#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
4
#
5 6
# The 0MQ version number is extracted from include/zmq.h using
# the version.sh script. Hence, it should be updated there.
7 8
# The version in git should reflect the *next* version planned.
#
9
AC_INIT([zeromq],[m4_esyscmd([./version.sh])],[zeromq-dev@lists.zeromq.org])
10

Martin Sustrik's avatar
Martin Sustrik committed
11
AC_CONFIG_AUX_DIR(config)
12
AC_CONFIG_MACRO_DIR(config)
13
AC_CONFIG_HEADERS([src/platform.hpp])
14 15
AM_INIT_AUTOMAKE(foreign subdir-objects tar-ustar dist-zip)

16 17 18
m4_pattern_allow([AC_PROG_CC_C99])
m4_include([m4/ax_check_compile_flag.m4])
m4_include([m4/ax_cxx_compile_stdcxx_11.m4])
19
m4_include([m4/ax_code_coverage.m4])
20
m4_include([m4/ax_valgrind_check.m4])
21
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
Martin Sustrik's avatar
Martin Sustrik committed
22

23 24 25
# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST(PACKAGE_VERSION)

26 27
# Libtool -version-info (ABI version)
#
28 29
# Don't change this unless you know exactly what you're doing and have read and
# understand:
30 31
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
32 33
# Changes:
#
34 35 36 37
# ZeroMQ versions prior to 2.1.0 use 0:0:0 (undefined)
# ZeroMQ versions 2.1.x: 1:0:0 (ABI version 1)
# ZeroMQ version 3.0: 2:0:0 (ABI version 2)
# ZeroMQ version 3.1: 3:0:0 (ABI version 3)
38
# ZeroMQ version 4.0: 4:0:0 (ABI version 4)
39
# ZeroMQ version 4.1: 5:0:0 (ABI version 5)
40
# ZeroMQ version 4.2.0: 6:0:1 (ABI version 5)
Luca Boccassi's avatar
Luca Boccassi committed
41
# ZeroMQ version 4.2.1: 6:1:1 (ABI version 5)
42
# ZeroMQ version 4.2.2: 6:2:1 (ABI version 5)
43
# ZeroMQ version 4.2.3: 6:3:1 (ABI version 5)
44
# ZeroMQ version 4.2.4: 6:4:1 (ABI version 5)
45 46
#
# libzmq -version-info current:revision:age
47
LTVER="6:4:1"
malosek's avatar
malosek committed
48 49
AC_SUBST(LTVER)

50 51 52 53 54
# Take a copy of original flags
ZMQ_ORIG_CFLAGS="${CFLAGS:-none}"
ZMQ_ORIG_CPPFLAGS="${CPPFLAGS:-none}"
ZMQ_ORIG_CXXFLAGS="${CXXFLAGS:-none}"

Martin Sustrik's avatar
Martin Sustrik committed
55
# Checks for programs.
56
AC_PROG_CC
57
AX_CHECK_COMPILE_FLAG([-std=gnu11], [CFLAGS+=" -std=gnu11"], [AC_PROG_CC_C99])
Martin Sustrik's avatar
Martin Sustrik committed
58
AC_PROG_CXX
59
AX_CXX_COMPILE_STDCXX_11([ext], [optional])
60
AX_CODE_COVERAGE
61
AM_PROG_CC_C_O
malosek's avatar
malosek committed
62 63
AC_PROG_SED
AC_PROG_AWK
64
PKG_PROG_PKG_CONFIG
65
m4_pattern_forbid([^PKG_[A-Z_]+$], [missing some pkg-config macros (pkg-config package)])
Martin Sustrik's avatar
Martin Sustrik committed
66

Mikko Koppanen's avatar
Mikko Koppanen committed
67
# Libtool configuration for different targets. See acinclude.m4
68
AC_ARG_VAR([XMLTO], [path to xmlto command])
69
AC_PATH_PROG([XMLTO], [xmlto])
70
AC_ARG_VAR([ASCIIDOC], [path to asciidoc command])
71
AC_PATH_PROG([ASCIIDOC], [asciidoc])
72
LIBZMQ_CONFIG_LIBTOOL
73 74
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
75
AX_VALGRIND_CHECK
Mikko Koppanen's avatar
Mikko Koppanen committed
76

77
# Check whether to build a with debug symbols
78
LIBZMQ_CHECK_ENABLE_DEBUG
79

hitstergtd's avatar
hitstergtd committed
80
# Check whether to enable code coverage
81
LIBZMQ_WITH_GCOV
82

83
AC_MSG_CHECKING([if TIPC is available and supports nonblocking connect])
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

AC_RUN_IFELSE(
    [AC_LANG_PROGRAM([[
            #include <stdlib.h>
            #include <string.h>
            #include <fcntl.h>
            #include <errno.h>
            #include <sys/socket.h>
            #include <linux/tipc.h>
        ]],[[
            struct sockaddr_tipc topsrv;
            int sd = socket(AF_TIPC, SOCK_SEQPACKET, 0);
            if (sd == -EAFNOSUPPORT) {
                return 1;
            }
            memset(&topsrv, 0, sizeof(topsrv));
            topsrv.family = AF_TIPC;
            topsrv.addrtype = TIPC_ADDR_NAME;
            topsrv.addr.name.name.type = TIPC_TOP_SRV;
            topsrv.addr.name.name.instance = TIPC_TOP_SRV;
            fcntl(sd, F_SETFL, O_NONBLOCK);
            if (connect(sd, (struct sockaddr *)&topsrv, sizeof(topsrv)) != 0) {
                if (errno != EINPROGRESS)
                    return -1;
            }
        ]])
    ],
    [libzmq_tipc_support=yes],
    [libzmq_tipc_support=no],
    [libzmq_tipc_support=no])

115 116
AC_MSG_RESULT([$libzmq_tipc_support])

117 118 119
AC_ARG_ENABLE([pedantic],
    [AS_HELP_STRING([--disable-pedantic], [disable pedantic compiler checks [default=enabled]])],
    [libzmq_pedantic=$enableval], [libzmq_pedantic=yes])
120

121
AC_ARG_WITH([militant],
122
    [AS_HELP_STRING([--with-militant],
123
        [enable militant API assertions])],
124 125
    [zmq_militant="yes"],
    [])
126 127 128 129 130

if test "x$zmq_militant" = "xyes"; then
    AC_DEFINE(ZMQ_ACT_MILITANT, 1, [Enable militant API assertions])
fi

131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
# Memory mis-use detection
AC_MSG_CHECKING([whether to enable ASan])
AC_ARG_ENABLE(address-sanitizer, [AS_HELP_STRING([--enable-address-sanitizer=yes/no],
                  [Build with GCC Address Sanitizer instrumentation])],
                  [ZMQ_ASAN="$enableval"])

if test "x${ZMQ_ASAN}" == "xyes"; then
    CFLAGS="${CFLAGS} -fsanitize=address"
    CXXFLAGS="${CXXFLAGS} -fsanitize=address"

    AM_CONDITIONAL(ENABLE_ASAN, true)
    AC_MSG_RESULT([yes])
else
    AM_CONDITIONAL(ENABLE_ASAN, false)
    AC_MSG_RESULT([no])
fi
147

148 149 150 151 152
# By default compiling with -Werror except OSX and on Solaris when building
# with libsodium.
AC_ARG_ENABLE([Werror],
    [AS_HELP_STRING([--disable-Werror], [disable Werror compiler flag [default=enabled]])],
    [libzmq_werror=$enableval], [libzmq_werror=yes])
153

Mikko Koppanen's avatar
Mikko Koppanen committed
154
# By default use DSO visibility
155
libzmq_dso_visibility="yes"
Mikko Koppanen's avatar
Mikko Koppanen committed
156

Pieter Hintjens's avatar
Pieter Hintjens committed
157
# Platform specific checks
158
libzmq_on_mingw="no"
159
libzmq_on_cygwin="no"
160
libzmq_on_android="no"
161
libzmq_on_linux="no"
162
libzmq_on_gnu="no"
163

164 165
# Set some default features required by ZeroMQ code
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE -Wno-long-long $CPPFLAGS"
166

167 168 169
# Will be used to add flags to pkg-config useful when apps want to statically link
PKGCFG_LIBS_PRIVATE=""

170 171 172
# For host type checks
AC_CANONICAL_HOST

173
# OS-specific tests
Martin Sustrik's avatar
Martin Sustrik committed
174 175
case "${host_os}" in
    *linux*)
176
        # Define on Linux to enable all library features. Define if using a gnu compiler
177
        if test "x$GXX" = "xyes"; then
178 179
            CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        fi
Martin Sustrik's avatar
Martin Sustrik committed
180
        AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
181
        libzmq_on_linux="yes"
Mikko Koppanen's avatar
Mikko Koppanen committed
182

183 184 185 186 187
        # dladdr/dlopen is in libdl on glibc
        AC_SEARCH_LIBS([dladdr], [dl dld], [], [
          AC_MSG_ERROR([unable to find the dladdr() function])
        ])

188 189 190
        if test "x$libzmq_tipc_support" = "xyes"; then
            AC_DEFINE(ZMQ_HAVE_TIPC, 1, [Have TIPC support])
        fi
Mikko Koppanen's avatar
Mikko Koppanen committed
191 192 193
        case "${host_os}" in
            *android*)
                AC_DEFINE(ZMQ_HAVE_ANDROID, 1, [Have Android OS])
194
                libzmq_on_android="yes"
Mikko Koppanen's avatar
Mikko Koppanen committed
195 196
            ;;
        esac
Martin Sustrik's avatar
Martin Sustrik committed
197 198
        ;;
    *solaris*)
199
        # Define on Solaris to enable all library features
200
        CPPFLAGS="-Wno-sign-compare -D_PTHREADS $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
201
        AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS])
Mikko Koppanen's avatar
Mikko Koppanen committed
202 203
        AC_CHECK_LIB(socket, socket)
        AC_CHECK_LIB(nsl, gethostbyname)
Martin Lucina's avatar
Martin Lucina committed
204
        AC_MSG_CHECKING([whether atomic operations can be used])
Martin Sustrik's avatar
Martin Sustrik committed
205 206 207 208 209 210 211 212 213 214
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [solaris_has_atomic=yes],
            [solaris_has_atomic=no])
        AC_MSG_RESULT([$solaris_has_atomic])
        # Solaris 8 does not have atomic operations exported to user space.
        if test "x$solaris_has_atomic" = "xno"; then
Martin Sustrik's avatar
Martin Sustrik committed
215
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
Martin Sustrik's avatar
Martin Sustrik committed
216 217 218
        fi
        ;;
    *freebsd*)
219 220
        # Define on FreeBSD to enable all library features
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
221
        AC_DEFINE(ZMQ_HAVE_FREEBSD, 1, [Have FreeBSD OS])
Martin Sustrik's avatar
Martin Sustrik committed
222
        ;;
223 224 225 226
    *dragonfly*)
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_DRAGONFLY, 1, [Have DragonFly OS])
        ;;
Martin Sustrik's avatar
Martin Sustrik committed
227
    *darwin*)
228 229
        # Define on Darwin to enable all library features
        CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
230 231
        libzmq_pedantic="no"
        libzmq_werror="no"
Martin Sustrik's avatar
Martin Sustrik committed
232
        AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS])
233
        AC_LANG_PUSH([C++])
234
        LIBZMQ_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized])
235
        AC_LANG_POP([C++])
Martin Sustrik's avatar
Martin Sustrik committed
236
        ;;
Jerome Duval's avatar
Jerome Duval committed
237 238 239 240
    *haiku*)
        AC_DEFINE(ZMQ_HAVE_HAIKU, 1, [Have Haiku OS])
        AC_CHECK_LIB(network, socket)
        ;;
Martin Lucina's avatar
Martin Lucina committed
241 242 243 244
    *netbsd*)
        # Define on NetBSD to enable all library features
        CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_NETBSD, 1, [Have NetBSD OS])
245 246 247
        # NetBSD 5.0 and newer provides atomic operations but we can
        # only use these on systems where PR #42842 has been fixed so
        # we must try and link a test program using C++.
248
        libzmq_netbsd_has_atomic=no
249 250 251 252 253 254 255
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_LANG_PUSH([C++])
        AC_LINK_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
256 257
            [libzmq_netbsd_has_atomic=yes],
            [libzmq_netbsd_has_atomic=no])
258
        AC_LANG_POP([C++])
259 260
        AC_MSG_RESULT([$libzmq_netbsd_has_atomic])
        if test "x$libzmq_netbsd_has_atomic" = "xno"; then
Martin Lucina's avatar
Martin Lucina committed
261 262 263
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
264
    *openbsd*|*bitrig*)
265 266
        # Define on OpenBSD to enable all library features
        CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
267
        AC_DEFINE(ZMQ_HAVE_OPENBSD, 1, [Have OpenBSD OS])
Martin Sustrik's avatar
Martin Sustrik committed
268 269
        ;;
    *nto-qnx*)
270
        libzmq_pedantic="no"
Martin Sustrik's avatar
Martin Sustrik committed
271
        AC_DEFINE(ZMQ_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
Mikko Koppanen's avatar
Mikko Koppanen committed
272
        AC_CHECK_LIB(socket, socket)
Martin Sustrik's avatar
Martin Sustrik committed
273 274
        ;;
    *aix*)
Martin Sustrik's avatar
Martin Sustrik committed
275
        AC_DEFINE(ZMQ_HAVE_AIX, 1, [Have AIX OS])
Martin Sustrik's avatar
Martin Sustrik committed
276 277
        ;;
    *hpux*)
278
        # Define on HP-UX to enable all library features
279
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
280
        AC_DEFINE(ZMQ_HAVE_HPUX, 1, [Have HPUX OS])
281 282
        LIBZMQ_CHECK_LANG_FLAG_PREPEND([-Ae])
        AC_CHECK_FUNCS(gethrtime)
Martin Sustrik's avatar
Martin Sustrik committed
283
        ;;
284
    *mingw*|*msys*)
Martin Sustrik's avatar
Martin Sustrik committed
285
        AC_DEFINE(ZMQ_HAVE_WINDOWS, 1, [Have Windows OS])
286
        AC_DEFINE(ZMQ_HAVE_MINGW, 1, [Have MinGW])
Martin Sustrik's avatar
Martin Sustrik committed
287
        AC_CHECK_HEADERS(windows.h)
288
        AC_CHECK_LIB(ws2_32, main, ,
289
            [AC_MSG_ERROR([cannot link with ws2_32.dll.])])
Martin Lucina's avatar
Martin Lucina committed
290 291 292 293
        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.])])
294
        libzmq_on_mingw="yes"
295
        libzmq_dso_visibility="no"
Mikko Koppanen's avatar
Mikko Koppanen committed
296 297

        if test "x$enable_static" = "xyes"; then
298
            CPPFLAGS="-DZMQ_STATIC $CPPFLAGS"
299
            PKGCFG_LIBS_PRIVATE="$PKGCFG_LIBS_PRIVATE -liphlpapi"
Mikko Koppanen's avatar
Mikko Koppanen committed
300
        fi
301 302
	# Set FD_SETSIZE to 16384
	CPPFLAGS=" -DFD_SETSIZE=16384 $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
303
        ;;
Martin Sustrik's avatar
Martin Sustrik committed
304
    *cygwin*)
Martin Lucina's avatar
Martin Lucina committed
305 306
        # Define on Cygwin to enable all library features
        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
Martin Sustrik's avatar
Martin Sustrik committed
307
        AC_DEFINE(ZMQ_HAVE_CYGWIN, 1, [Have Cygwin])
308
        libzmq_on_cygwin="yes"
309
        libzmq_dso_visibility="no"
Mikko Koppanen's avatar
Mikko Koppanen committed
310 311 312
        if test "x$enable_static" = "xyes"; then
            AC_MSG_ERROR([Building static libraries is not supported under Cygwin])
        fi
Martin Sustrik's avatar
Martin Sustrik committed
313
        ;;
314 315 316 317 318 319 320 321 322
    gnu*)
        # Define on GNU/Hurd to enable all library features. Define if using a gnu compiler
        if test "x$GXX" = "xyes"; then
            CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        fi
        AC_DEFINE(ZMQ_HAVE_GNU, 1, [Have GNU/Hurd OS])
        libzmq_on_gnu="yes"
	AC_CHECK_LIB(rt, sem_init)
        ;;
Martin Sustrik's avatar
Martin Sustrik committed
323
    *)
324
        AC_MSG_ERROR([unsupported system: ${host_os}.])
Martin Sustrik's avatar
Martin Sustrik committed
325 326 327
        ;;
esac

328 329 330
# Checks for libraries
AC_CHECK_LIB([pthread], [pthread_create])
AC_CHECK_LIB([rt], [clock_gettime])
331

332
#
333
# Check if the compiler supports -fvisibility=hidden flag. MinGW uses __declspec
334
#
335
if test "x$libzmq_dso_visibility" = "xyes"; then
336
    AC_LANG_PUSH([C++])
337
    LIBZMQ_CHECK_LANG_VISIBILITY([LIBZMQ_EXTRA_CXXFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag ${LIBZMQ_EXTRA_CXXFLAGS}"])
338
    AC_LANG_POP([C++])
339 340
fi

341 342
# CPU-specific optimizations
case "${host_cpu}" in
343
    *sparc64*)
344
        AC_LANG_PUSH([C++])
345
        LIBZMQ_CHECK_LANG_FLAG_PREPEND([-mcpu=v9])
346
        AC_LANG_POP([C++])
347 348 349 350
    ;;
    *)
    ;;
esac
Martin Sustrik's avatar
Martin Sustrik committed
351

Mikko Koppanen's avatar
Mikko Koppanen committed
352
# Check whether to build docs / install man pages
353
LIBZMQ_CHECK_DOC_BUILD
Mikko Koppanen's avatar
Mikko Koppanen committed
354

355 356
# Check polling system, set appropriate macro in src/platform.hpp
LIBZMQ_CHECK_POLLER
357

Martin Sustrik's avatar
Martin Sustrik committed
358 359
# Checks for header files.
AC_HEADER_STDC
360 361 362 363 364 365 366 367 368 369 370 371 372
AC_CHECK_HEADERS(\
    errno.h \
    time.h \
    unistd.h \
    limits.h \
    stddef.h \
    stdlib.h \
    string.h \
    arpa/inet.h \
    netinet/tcp.h \
    netinet/in.h \
    sys/socket.h \
    sys/time.h)
Martin Sustrik's avatar
Martin Sustrik committed
373 374

# Check if we have ifaddrs.h header file.
Martin Sustrik's avatar
Martin Sustrik committed
375
AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])])
Martin Sustrik's avatar
Martin Sustrik committed
376

377 378 379
# Check if we have sys/uio.h header file.
AC_CHECK_HEADERS(sys/uio.h, [AC_DEFINE(ZMQ_HAVE_UIO, 1, [Have uio.h header.])])

380
# Force not to use eventfd
381
AC_ARG_ENABLE([eventfd],
382
    [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=enabled]])],
383 384
    [zmq_enable_eventfd=$enableval],
    [zmq_enable_eventfd=yes])
385

386
if test "x$zmq_enable_eventfd" = "xyes"; then
387
    # Check if we have eventfd.h header file.
388 389 390 391 392 393 394 395
    AC_CHECK_HEADERS(sys/eventfd.h, [
        AC_DEFINE(ZMQ_HAVE_EVENTFD, 1, [Have eventfd extension])
        LIBZMQ_CHECK_EVENTFD_CLOEXEC([
            AC_DEFINE([ZMQ_HAVE_EVENTFD_CLOEXEC],
               [1],
               [Whether EFD_CLOEXEC is defined and functioning.])
            ])
    ])
396 397
fi

398 399
# Conditionally build performance measurement tools
AC_ARG_ENABLE([perf],
400
    [AS_HELP_STRING([--disable-perf], [don't build performance measurement tools [default=build]])],
401 402 403 404 405
    [zmq_enable_perf=$enableval],
    [zmq_enable_perf=yes])

AM_CONDITIONAL(ENABLE_PERF, test "x$zmq_enable_perf" = "xyes")

406 407
# Conditionally build curve key generation tool
AC_ARG_ENABLE([curve-keygen],
408
    [AS_HELP_STRING([--disable-curve-keygen], [don't build curve-keygen tool [default=build]])],
409 410 411
    [zmq_enable_curve_keygen=$enableval],
    [zmq_enable_curve_keygen=yes])

Martin Sustrik's avatar
Martin Sustrik committed
412
# Use c++ in subsequent tests
413
AC_LANG_PUSH(C++)
Martin Sustrik's avatar
Martin Sustrik committed
414

415 416 417 418 419 420 421 422 423 424
AC_CHECK_DECLS([SO_PEERCRED],
    [AC_DEFINE(ZMQ_HAVE_SO_PEERCRED, 1, [Have SO_PEERCRED socket option])],
    [],
    [#include <sys/socket.h>])

AC_CHECK_DECLS([LOCAL_PEERCRED],
    [AC_DEFINE(ZMQ_HAVE_LOCAL_PEERCRED, 1, [Have LOCAL_PEERCRED socket option])],
    [],
    [#include <sys/socket.h>])

425
AM_CONDITIONAL(HAVE_IPC_PEERCRED, test "x$ac_cv_have_decl_SO_PEERCRED" = "xyes" || test "x$ac_cv_have_decl_LOCAL_PEERCRED" = "xyes")
426

Martin Sustrik's avatar
Martin Sustrik committed
427 428 429
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
430

431
# Checks for typedefs, structures, and compiler characteristics.
432
if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
433 434
    dnl 279: controlling expression is constant
    dnl Fixes build with ICC 12.x
435 436
    LIBZMQ_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SIZE_T])
    LIBZMQ_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SSIZE_T])
437 438 439 440
else
    AC_TYPE_SIZE_T
    AC_TYPE_SSIZE_T
fi
441

Martin Sustrik's avatar
Martin Sustrik committed
442 443 444 445
AC_HEADER_TIME
AC_TYPE_UINT32_T
AC_C_VOLATILE

446 447 448 449 450 451 452 453
# build using libgssapi_krb5
AC_ARG_WITH([libgssapi_krb5], [AS_HELP_STRING([--with-libgssapi_krb5],
    [require libzmq build with libgssapi_krb5 [default=no]])],
    [require_libgssapi_krb5_ext=$withval],
    [require_libgssapi_krb5_ext=no])

# conditionally require libgssapi_krb5
if test "x$require_libgssapi_krb5_ext" != "xno"; then
454 455 456 457 458 459
    PKG_CHECK_MODULES([gssapi_krb5], [krb5-gssapi], [], [
        AC_CHECK_HEADERS(gssapi/gssapi_generic.h)
        AC_SEARCH_LIBS([gss_init_sec_context], [gssapi_krb5 gssapi],
            AC_DEFINE(HAVE_LIBGSSAPI_KRB5, [1], [Enabled GSSAPI security]),
            AC_MSG_ERROR(libgssapi_krb5 is needed for GSSAPI security))
    ])
460
fi
461
AM_CONDITIONAL(BUILD_GSSAPI, test "x$require_libgssapi_krb5_ext" != "xno")
462

463 464 465 466 467
# Select curve encryption library, defaults to tweetnacl
# To use libsodium instead, use --with-libsodium (must be installed)
# To disable curve, use --disable-curve

AC_ARG_WITH([libsodium],
468
    [AS_HELP_STRING([--with-libsodium], [use libsodium instead of built-in tweetnacl [default=no]])])
469 470 471 472

AS_IF([test "x$with_libsodium" = "xyes"], [
    PKG_CHECK_MODULES([sodium], [libsodium], [libsodium_found=yes], [
        AC_MSG_ERROR(libsodium is not installed. Install it, then run configure again)
473
    ])
474
])
475

476
AC_ARG_ENABLE([curve],
477
    [AS_HELP_STRING([--disable-curve], [disable CURVE security [default=no]])])
478

479
if test "x$enable_curve" = "xno"; then
480 481 482
    curve_library=""
    AC_MSG_NOTICE([CURVE security is disabled])

483
elif test "x$with_libsodium" = "xyes"; then
484 485
    AC_MSG_NOTICE([Using libsodium for CURVE security])
    AC_DEFINE(ZMQ_HAVE_CURVE, [1], [Using curve encryption])
486
    AC_DEFINE(ZMQ_USE_LIBSODIUM, [1], [Using libsodium for curve encryption])
487
    curve_library="libsodium"
488
    enable_curve="yes"
489 490

    # On Solaris, libsodium depends on libssp
Anthony Scemama's avatar
Anthony Scemama committed
491 492 493
    case "${host_os}" in
        *solaris*)
            LDFLAGS="-lssp $LDFLAGS"
494 495
            libzmq_pedantic="no"
            libzmq_werror="no"
Anthony Scemama's avatar
Anthony Scemama committed
496 497
        ;;
    esac
498

499
    PKGCFG_LIBS_PRIVATE="$PKGCFG_LIBS_PRIVATE $sodium_LIBS"
500 501 502
else
    AC_MSG_NOTICE([Using tweetnacl for CURVE security])
    AC_DEFINE(ZMQ_HAVE_CURVE, [1], [Using curve encryption])
503
    AC_DEFINE(ZMQ_USE_TWEETNACL, [1], [Using tweetnacl for curve encryption])
504
    curve_library="tweetnacl"
505
    enable_curve="yes"
506 507
fi

508 509
AM_CONDITIONAL(ENABLE_CURVE_KEYGEN, test "x$enable_curve" = "xyes" -a "x$zmq_enable_curve_keygen" = "xyes")

510 511
AM_CONDITIONAL(USE_LIBSODIUM, test "$curve_library" = "libsodium")
AM_CONDITIONAL(USE_TWEETNACL, test "$curve_library" = "tweetnacl")
512
AM_CONDITIONAL(HAVE_CURVE, test "x$curve_library" != "x")
513

514 515
# build using pgm
have_pgm_library="no"
516

517
AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm],
518
    [build libzmq with PGM extension. Requires pkg-config [default=no]])],
519 520
    [with_pgm_ext=$withval],
    [with_pgm_ext=no])
521

522
# conditionally require pgm package
523
if test "x$with_pgm_ext" != "xno"; then
524
    PKG_CHECK_MODULES([pgm], [openpgm-5.2 >= 5.2], [ have_pgm_library="yes" ],
525
        [PKG_CHECK_MODULES([pgm], [openpgm-5.1 >= 5.1],
526
            [ have_pgm_library="yes" ])])
527 528 529 530
fi

if test "x$have_pgm_library" = "xyes"; then
    AC_DEFINE(ZMQ_HAVE_OPENPGM, [1], [Have OpenPGM extension])
531
    PKGCFG_LIBS_PRIVATE="$PKGCFG_LIBS_PRIVATE $pgm_LIBS"
532 533
fi

534
AM_CONDITIONAL(HAVE_PGM, test "x$have_pgm_library" = "xyes")
535

bebopagogo's avatar
bebopagogo committed
536 537 538 539

# This uses "--with-norm" to point to the "norm" directory
# for "norm/include" and "norm/lib"
#(if "--with-norm=yes" is given, then assume installed on system)
540 541
AC_ARG_WITH([norm],
    [AS_HELP_STRING([--with-norm],
542
        [build libzmq with NORM protocol extension, optionally specifying norm path [default=no]])],
543
    [with_norm_ext=$withval],
544 545
    [with_norm_ext=no])

bebopagogo's avatar
bebopagogo committed
546 547
AC_MSG_CHECKING("with_norm_ext = ${with_norm_ext}")

548
if test "x$with_norm_ext" != "xno"; then
549 550 551 552 553 554 555 556 557 558 559 560 561 562 563
    PKG_CHECK_MODULES([norm], [norm], [ have_norm_library="yes" ], [
        AC_MSG_RESULT([yes])

        norm_LIBS=""
        norm_CFLAGS=""
        if test "x$with_norm_ext" != "xyes"; then
            norm_path="${with_norm_ext}"
            norm_CFLAGS="${norm_CFLAGS} -I${norm_path}/include"
            norm_LIBS="${norm_LIBS} -L${norm_path}/lib"
        fi
        norm_LIBS="${norm_LIBS} -lnorm"
        have_norm_library="yes"
        AC_SUBST(norm_LIBS)
        AC_SUBST(norm_CFLAGS)
    ])
564 565
else
    AC_MSG_RESULT([no])
bebopagogo's avatar
bebopagogo committed
566
fi
567 568 569 570 571
if test "x$have_norm_library" = "xyes"; then
    AC_DEFINE(ZMQ_HAVE_NORM, [1], [Have NORM protocol extension])
    PKGCFG_LIBS_PRIVATE="$PKGCFG_LIBS_PRIVATE $norm_LIBS"
fi
AM_CONDITIONAL(HAVE_NORM, test "x$have_norm_library" = "xyes")
bebopagogo's avatar
bebopagogo committed
572

Ilya Kulakov's avatar
Ilya Kulakov committed
573 574 575 576 577 578
# build using vmci
have_vmci_library="no"

AC_ARG_WITH([vmci], [AS_HELP_STRING([--with-vmci],
    [build libzmq with VMCI transport [default=no]])],
    [have_vmci_ext=$withval],
579
    [have_vmci_ext=no])
Ilya Kulakov's avatar
Ilya Kulakov committed
580 581 582 583 584 585 586 587 588 589 590 591 592 593 594

if test "x$have_vmci_ext" != "xno"; then
    AC_DEFINE(ZMQ_HAVE_VMCI, 1, [Have VMCI transport])

    if test "x$have_vmci_ext" != "xyes"; then
        vmci_path="${have_vmci_ext}"
        LIBZMQ_VMCI_CXXFLAGS="-I${vmci_path}"
        LIBZMQ_VMCI_LDFLAGS="-I${vmci_path}"
        LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_VMCI_CXXFLAGS} ${LIBZMQ_EXTRA_CXXFLAGS}"
        LIBZMQ_EXTRA_LDFLAGS="${LIBZMQ_VMCI_LDFLAGS} ${LIBZMQ_EXTRA_LDFLAGS}"
    fi
fi

AM_CONDITIONAL(HAVE_VMCI, test "x$have_vmci_ext" != "xno")

595 596
# Set -Wall, -Werror and -pedantic
AC_LANG_PUSH([C++])
597

598
# Check how to enable -Wall
599
LIBZMQ_LANG_WALL([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"])
malosek's avatar
malosek committed
600

601 602
if test "x$libzmq_werror" = "xyes" -a "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" != "xyes"; then
    LIBZMQ_LANG_WERROR([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag $CPPFLAGS"])
603 604
fi

605 606
if test "x$libzmq_pedantic" = "xyes"; then
    LIBZMQ_LANG_STRICT([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"])
607
fi
608
AC_LANG_POP([C++])
609

610
AM_CONDITIONAL(BUILD_TIPC, test "x$libzmq_tipc_support" = "xyes")
611
AM_CONDITIONAL(ON_MINGW, test "x$libzmq_on_mingw" = "xyes")
612
AM_CONDITIONAL(ON_CYGWIN, test "x$libzmq_on_cygwin" = "xyes")
613
AM_CONDITIONAL(ON_ANDROID, test "x$libzmq_on_android" = "xyes")
614
AM_CONDITIONAL(ON_LINUX, test "x$libzmq_on_linux" = "xyes")
615
AM_CONDITIONAL(ON_GNU, test "x$libzmq_on_gnu" = "xyes")
616

617 618 619 620 621 622 623 624 625
# Check for __atomic_Xxx compiler intrinsics
AC_LANG_PUSH([C++])
LIBZMQ_CHECK_ATOMIC_INTRINSICS([
    AC_DEFINE([ZMQ_HAVE_ATOMIC_INTRINSICS],
              [1],
              [Whether compiler has __atomic_Xxx intrinsics.])
    ])
AC_LANG_POP([C++])

626 627
# Checks for library functions.
AC_TYPE_SIGNAL
628
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs fork posix_memalign mkdtemp accept4)
629
AC_CHECK_HEADERS([alloca.h])
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
# pthread_setname is non-posix, and there are at least 4 different implementations
AC_MSG_CHECKING([whether signature of pthread_setname_np() has 1 argument])
AC_COMPILE_IFELSE(
	[AC_LANG_PROGRAM(
		[[#include <pthread.h>]],
		[[pthread_setname_np ("foo"); return 0;]])
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(ZMQ_HAVE_PTHREAD_SETNAME_1, [1],
		    [Whether pthread_setname_np() has 1 argument])
	],[
		AC_MSG_RESULT([no])
])
AC_MSG_CHECKING([whether signature of pthread_setname_np() has 2 arguments])
AC_COMPILE_IFELSE(
	[AC_LANG_PROGRAM(
		[[#include <pthread.h>]],
		[[pthread_setname_np (pthread_self (), "foo"); return 0;]])
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(ZMQ_HAVE_PTHREAD_SETNAME_2, [1],
		    [Whether pthread_setname_np() has 2 arguments])
	],[
		AC_MSG_RESULT([no])
])
AC_MSG_CHECKING([whether signature of pthread_setname_np() has 3 arguments])
AC_COMPILE_IFELSE(
	[AC_LANG_PROGRAM(
		[[#include <pthread.h>]],
		[[pthread_setname_np (pthread_self(), "foo", (void *)0); return 0;]])
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(ZMQ_HAVE_PTHREAD_SETNAME_3, [1],
		    [Whether pthread_setname_np() has 3 arguments])
	],[
		AC_MSG_RESULT([no])
])
AC_MSG_CHECKING([whether pthread_set_name_np() exists])
AC_COMPILE_IFELSE(
	[AC_LANG_PROGRAM(
		[[#include <pthread.h>]],
		[[pthread_set_name_np (pthread_self(), "foo"); return 0;]])
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(ZMQ_HAVE_PTHREAD_SET_NAME, [1],
		    [Whether pthread_set_name_np() exists])
	],[
		AC_MSG_RESULT([no])
])

681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696

# pthread_setaffinity_np is non-posix:
AC_MSG_CHECKING([whether pthread_setaffinity_np() exists])
AC_COMPILE_IFELSE(
	[AC_LANG_PROGRAM(
		[[#include <pthread.h>]],
		[[cpu_set_t test; pthread_setaffinity_np (pthread_self(), sizeof(cpu_set_t), &test); return 0;]])
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(ZMQ_HAVE_PTHREAD_SET_AFFINITY, [1],
		    [Whether pthread_setaffinity_np() exists])
	],[
		AC_MSG_RESULT([no])
])


697 698 699 700 701
LIBZMQ_CHECK_SOCK_CLOEXEC([
    AC_DEFINE([ZMQ_HAVE_SOCK_CLOEXEC],
        [1],
        [Whether SOCK_CLOEXEC is defined and functioning.])
    ])
702

703 704 705 706 707 708
LIBZMQ_CHECK_O_CLOEXEC([
    AC_DEFINE([ZMQ_HAVE_O_CLOEXEC],
        [1],
        [Whether O_CLOEXEC is defined and functioning.])
    ])

709 710 711 712 713 714
LIBZMQ_CHECK_SO_BINDTODEVICE([
    AC_DEFINE([ZMQ_HAVE_SO_BINDTODEVICE],
        [1],
        [Whether SO_BINDTODEVICE is supported.])
    ])

715
# TCP keep-alives Checks.
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744
LIBZMQ_CHECK_SO_KEEPALIVE([
    AC_DEFINE([ZMQ_HAVE_SO_KEEPALIVE],
        [1],
        [Whether SO_KEEPALIVE is supported.])
    ])

LIBZMQ_CHECK_TCP_KEEPCNT([
    AC_DEFINE([ZMQ_HAVE_TCP_KEEPCNT],
        [1],
        [Whether TCP_KEEPCNT is supported.])
    ])

LIBZMQ_CHECK_TCP_KEEPIDLE([
    AC_DEFINE([ZMQ_HAVE_TCP_KEEPIDLE],
        [1],
        [Whether TCP_KEEPIDLE is supported.])
    ])

LIBZMQ_CHECK_TCP_KEEPINTVL([
    AC_DEFINE([ZMQ_HAVE_TCP_KEEPINTVL],
        [1],
        [Whether TCP_KEEPINTVL is supported.])
    ])

LIBZMQ_CHECK_TCP_KEEPALIVE([
    AC_DEFINE([ZMQ_HAVE_TCP_KEEPALIVE],
        [1],
        [Whether TCP_KEEPALIVE is supported.])
    ])
745

746 747 748 749 750 751
LIBZMQ_CHECK_GETRANDOM([
    AC_DEFINE([ZMQ_HAVE_GETRANDOM],
        [1],
        [Whether getrandom is supported.])
    ])

752 753
AM_CONDITIONAL(HAVE_FORK, test "x$ac_cv_func_fork" = "xyes")

754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
if test "x$cross_compiling" = "xyes"; then
    #   Enable draft by default when cross-compiling
    defaultval=yes
else
    # enable draft API by default if we're in a git repository
    # else disable it by default; then allow --enable-drafts=yes/no override
    AC_CHECK_FILE($srcdir/.git, [defaultval=yes], [defaultval=no])
fi

AC_ARG_ENABLE([drafts],
    AS_HELP_STRING([--enable-drafts],
        [Build and install draft classes and methods [default=yes]]),
    [enable_drafts=$enableval],
    [enable_drafts=$defaultval])

AM_CONDITIONAL([ENABLE_DRAFTS], [test x$enable_drafts != xno])

if test "x$enable_drafts" = "xyes"; then
    AC_MSG_NOTICE([Building stable and legacy API + draft API])
    AC_DEFINE(ZMQ_BUILD_DRAFT_API, 1, [Provide draft classes and methods])
    AC_SUBST(pkg_config_defines, "-DZMQ_BUILD_DRAFT_API=1")
else
    AC_MSG_NOTICE([Building stable and legacy API (no draft API)])
    AC_SUBST(pkg_config_defines, "")
fi

780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801
AC_ARG_ENABLE([libunwind],
    [AS_HELP_STRING([--enable-libunwind],
        [enable libunwind [default=auto]])],
    [enable_libunwind=$enableval],
    [enable_libunwind="auto"])

if test "x$enable_libunwind" != "xno"; then
    PKG_CHECK_MODULES(LIBUNWIND, [libunwind],
        [
            AC_DEFINE(HAVE_LIBUNWIND, 1, [The libunwind library is to be used])
            AC_SUBST([LIBUNWIND_CFLAGS])
            AC_SUBST([LIBUNWIND_LIBS])
            AC_CHECK_LIB([dl], [dladdr])
        ],
        [
            if test "x$enable_libunwind" = "xyes"; then
                AC_MSG_ERROR([Cannot find libunwind])
            else
                AC_MSG_WARN([Cannot find libunwind])
            fi
        ])
fi
802

Mikko Koppanen's avatar
Mikko Koppanen committed
803 804
# Subst LIBZMQ_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS
AC_SUBST(LIBZMQ_EXTRA_CFLAGS)
805
AC_SUBST(LIBZMQ_EXTRA_CXXFLAGS)
806
AC_SUBST(LIBZMQ_EXTRA_LDFLAGS)
Martin Sustrik's avatar
Martin Sustrik committed
807

Ilya Kulakov's avatar
Ilya Kulakov committed
808 809 810
AC_SUBST(LIBZMQ_VMCI_CXXFLAGS)
AC_SUBST(LIBZMQ_VMCI_LDFLAGS)

811 812
AC_SUBST(pkg_config_libs_private, $PKGCFG_LIBS_PRIVATE)

813 814 815 816 817 818
# set pkgconfigdir, allow override
AC_ARG_WITH([pkgconfigdir],
    AS_HELP_STRING([--with-pkgconfigdir=PATH],
        [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
    [pkgconfigdir="$withval"],
    [pkgconfigdir='${libdir}/pkgconfig'])
819 820
AC_SUBST([pkgconfigdir])

821 822
AC_CONFIG_FILES([ \
    Makefile \
Pieter Hintjens's avatar
Pieter Hintjens committed
823 824
    src/libzmq.pc \
    doc/Makefile \
825
    builds/Makefile \
826
    builds/msvc/Makefile])
827

828
AC_OUTPUT