summaryrefslogtreecommitdiff
path: root/configure.in
blob: 45117e673e7d2633643dc2e0c95a71f670ba4a4f (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
#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
#
# The Crossroads version number is extracted from include/xs.h using
# the version.sh script. Hence, it should be updated there.
# The version in git should reflect the *next* version planned.
#
AC_INIT([libxs],[m4_esyscmd([./version.sh])])

AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR(config)
AM_CONFIG_HEADER(src/platform.hpp)
AM_INIT_AUTOMAKE(tar-ustar dist-zip foreign)
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST(PACKAGE_VERSION)

# ABI version for libxs (Libtool -version-info)
#
# 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
#
# libxs -version-info current:revision:age
LIBXS_ABI_VERSION="0:0:0"
AC_SUBST(LIBXS_ABI_VERSION)

# ABI version for libxszmq
#
# This must be set to the ABI version of libzmq we are emulating.
# This is currently libzmq 2.1 which is ABI 1.0.0.
#
# libxszmq -version-info current:revision:age
LIBXSZMQ_ABI_VERSION="1:0:0"
AC_SUBST(LIBXSZMQ_ABI_VERSION)

# Take a copy of original flags
XS_ORIG_CFLAGS="${CFLAGS:-none}"
XS_ORIG_CPPFLAGS="${CPPFLAGS:-none}"
XS_ORIG_CXXFLAGS="${CXXFLAGS:-none}"

# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_CXX
AM_PROG_CC_C_O
AC_PROG_SED
AC_PROG_AWK

# Libtool configuration for different targets. See acinclude.m4
AC_ARG_VAR([XMLTO], [Path to xmlto command])
AC_PATH_PROG([XMLTO], [xmlto])
AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command])
AC_PATH_PROG([ASCIIDOC], [asciidoc])
LIBXS_CONFIG_LIBTOOL
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL

# Check whether to build a with debug symbols
LIBXS_CHECK_ENABLE_DEBUG

# Check wheter to enable code coverage
LIBXS_WITH_GCOV

# Checks for libraries.
AC_CHECK_LIB([pthread], [pthread_create])
AC_CHECK_LIB([rt], [clock_gettime])

# Set pedantic
libxs_pedantic="yes"

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

# By default use DSO visibility
libxs_dso_visibility="yes"

# Whether we are on mingw or not.
libxs_on_mingw32="no"

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

# For host type checks
AC_CANONICAL_HOST

# OS-specific tests
case "${host_os}" in
    *linux*)
        # Define on Linux to enable all library features. Define if using a gnu compiler
        if test "x$GXX" = "xyes"; then
            CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        fi
        AC_DEFINE(XS_HAVE_LINUX, 1, [Have Linux OS])

        case "${host_os}" in
            *android*)
                AC_DEFINE(XS_HAVE_ANDROID, 1, [Have Android OS])
            ;;
        esac
        ;;
    *solaris*)
        # Define on Solaris to enable all library features
        CPPFLAGS="-D_PTHREADS $CPPFLAGS"
        AC_DEFINE(XS_HAVE_SOLARIS, 1, [Have Solaris OS])
        AC_CHECK_LIB(socket, socket)
        AC_CHECK_LIB(nsl, gethostbyname)
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [solaris_has_atomic=yes],
            [solaris_has_atomic=no])
        AC_MSG_RESULT([$solaris_has_atomic])
        # Solaris 8 does not have atomic operations exported to user space.
        if test "x$solaris_has_atomic" = "xno"; then
            AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *freebsd*)
        # Define on FreeBSD to enable all library features
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
        AC_DEFINE(XS_HAVE_FREEBSD, 1, [Have FreeBSD OS])
        ;;
    *darwin*)
        # Define on Darwin to enable all library features
        CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
        libxs_pedantic="no"
        libxs_werror="no"
        AC_DEFINE(XS_HAVE_OSX, 1, [Have DarwinOSX OS])
        AC_LANG_PUSH([C++])
        LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized])
        AC_LANG_POP([C++])
        ;;
    *netbsd*)
        # Define on NetBSD to enable all library features
        CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
        AC_DEFINE(XS_HAVE_NETBSD, 1, [Have NetBSD OS])
        # NetBSD 5.0 and newer provides atomic operations but we can
        # only use these on systems where PR #42842 has been fixed so
        # we must try and link a test program using C++.
        libxs_netbsd_has_atomic=no
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_LANG_PUSH([C++])
        AC_LINK_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [libxs_netbsd_has_atomic=yes],
            [libxs_netbsd_has_atomic=no])
        AC_LANG_POP([C++])
        AC_MSG_RESULT([$libxs_netbsd_has_atomic])
        if test "x$libxs_netbsd_has_atomic" = "xno"; then
            AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *openbsd*)
        # Define on OpenBSD to enable all library features
        CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
        AC_DEFINE(XS_HAVE_OPENBSD, 1, [Have OpenBSD OS])
        ;;
    *nto-qnx*)
        libxs_pedantic="no"
        AC_DEFINE(XS_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
        AC_CHECK_LIB(socket, socket)
        ;;
    *aix*)
        AC_DEFINE(XS_HAVE_AIX, 1, [Have AIX OS])
        ;;
    *hpux*)
        # Define on HP-UX to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L $CPPFLAGS"
        AC_DEFINE(XS_HAVE_HPUX, 1, [Have HPUX OS])
        LIBXS_CHECK_LANG_FLAG_PREPEND([-Ae])
        AC_CHECK_FUNCS(gethrtime)
        ;;
    *mingw32*)
        AC_DEFINE(XS_HAVE_WINDOWS, 1, [Have Windows OS])
        AC_DEFINE(XS_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.])])
        # mingw32 defines __int64_t as long long
        AC_LANG_PUSH([C++])
        LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-long-long])
        AC_LANG_POP([C++])
        libxs_on_mingw32="yes"
        libxs_dso_visibility="no"

        if test "x$enable_static" = "xyes"; then
            AC_MSG_ERROR([Building static libraries is not supported under MinGW32])
        fi
        ;;
    *cygwin*)
        # Define on Cygwin to enable all library features
        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        AC_DEFINE(XS_HAVE_CYGWIN, 1, [Have Cygwin])
        if test "x$enable_static" = "xyes"; then
            AC_MSG_ERROR([Building static libraries is not supported under Cygwin])
        fi
        ;;
    *)
        AC_MSG_ERROR([unsupported system: ${host_os}.])
        ;;
esac

#
# Check if the compiler supports -fvisibility=hidden flag. MinGW32 uses __declspec
#
if test "x$libxs_dso_visibility" = "xyes"; then
    AC_LANG_PUSH([C++])
    LIBXS_CHECK_LANG_VISIBILITY([LIBXS_EXTRA_CXXFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag ${LIBXS_EXTRA_CXXFLAGS}"])
    AC_LANG_POP([C++])
fi

# CPU-specific optimizations
case "${host_cpu}" in
    *sparc*)
        AC_LANG_PUSH([C++])
        LIBXS_CHECK_LANG_FLAG_PREPEND([-mcpu=v9])
        AC_LANG_POP([C++])
    ;;
    *)
    ;;
esac

# Check whether to build docs / install man pages
LIBXS_CHECK_DOC_BUILD

# Check polling system
LIBXS_CHECK_POLLER([CPPFLAGS="${CPPFLAGS} -D${libxs_cv_poller_flag}"],
                    [AC_MSG_ERROR([Unable to continue without polling system])])

# 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 time.h unistd.h limits.h)

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

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

if test "x$xs_disable_eventfd" != "xyes"; then
    # Check if we have eventfd.h header file.
    AC_CHECK_HEADERS(sys/eventfd.h, [AC_DEFINE(XS_HAVE_EVENTFD, 1, [Have eventfd extension.])])
fi

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

AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
# Checks for typedefs, structures, and compiler characteristics.
if test "x$libxs_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
    dnl 279: controlling expression is constant
    dnl Fixes build with ICC 12.x
    LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SIZE_T])
    LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SSIZE_T])
else
    AC_TYPE_SIZE_T
    AC_TYPE_SSIZE_T
fi
AC_HEADER_TIME
AC_TYPE_UINT32_T
AC_C_VOLATILE

#  libzmq compatibility mode
libxs_libzmq_compat="no"
AC_ARG_ENABLE([libzmq-compat], [AS_HELP_STRING([--enable-libzmq-compat],
    [install libzmq compatibility library and headers [default=no]])],
    [enable_libzmq_compat=$enableval], [enable_libzmq_compat=no])

if test "x$enable_libzmq_compat" != "xno"; then
    AC_MSG_NOTICE([enabling libzmq compatibility library and headers])
    libxs_libzmq_compat="yes"
fi

#  PGM extension
libxs_pgm_ext="no"

pgm_basename="libpgm-5.1.118~dfsg"

AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], 
    [build libxs with PGM extension [default=no]])], 
    [with_pgm_ext=$withval], [with_pgm_ext=no])

# build using system pgm
AC_ARG_WITH([system-pgm], [AS_HELP_STRING([--with-system-pgm],
    [build libxs with PGM extension. Requires pkg-config [default=no]])],
    [with_system_pgm_ext=yes], [with_system_pgm_ext=no])

if test "x$with_pgm_ext" != "xno" -a "x$with_system_pgm_ext" != "xno"; then
    AC_MSG_ERROR([--with-pgm and --with-system-pgm cannot be specified together])
fi

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

    # This allows placing the tar.gz to foreign/openpgm
    # and using ./configure --with-pgm=libpgm-x.y.z
    if test "x$with_pgm_ext" != "xyes"; then
        pgm_basename="$with_pgm_ext"
    fi

    # Unpack libpgm
    AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.gz])
    libxs_pwd=`pwd`
    cd foreign/openpgm

    if ! (gzip -dc "${pgm_basename}.tar.gz" || echo "failed") | ${am__untar}; then
        AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.gz file])
    fi

    cd "${libxs_pwd}"

    if test -d foreign/openpgm/build-staging; then
        rm -rf foreign/openpgm/build-staging
    fi

    mv foreign/openpgm/${pgm_basename} foreign/openpgm/build-staging
    pgm_srcdir=foreign/openpgm/build-staging/openpgm/pgm

    if ! test -d foreign/openpgm/build-staging/openpgm/pgm/config; then
        mkdir foreign/openpgm/build-staging/openpgm/pgm/config
    fi

    # DSO symbol visibility for openpgm
    AC_LANG_PUSH([C])
    LIBXS_CHECK_LANG_VISIBILITY([ac_configure_args="CFLAGS='$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag' ${ac_configure_args}"])
    AC_LANG_POP([C])

    pgm_subdir=build-staging/openpgm/pgm
    AC_SUBST(pgm_subdir)

    AC_SUBST(pgm_srcdir)
    AC_CONFIG_SUBDIRS([foreign/openpgm/build-staging/openpgm/pgm/])

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

# Build with system openpgm
if test "x$with_system_pgm_ext" != "xno"; then
    m4_ifdef([PKG_CHECK_MODULES], [
        PKG_CHECK_MODULES([OpenPGM], [openpgm-5.1 >= 5.1])
        AC_DEFINE(XS_HAVE_OPENPGM, 1, [Have OpenPGM extension])
        LIBXS_EXTRA_CXXFLAGS="$OpenPGM_CFLAGS $LIBXS_EXTRA_CXXFLAGS"
        LIBS="$OpenPGM_LIBS $LIBS"
    ],
    [AC_MSG_ERROR([--with-system-pgm requires a working pkg-config installation])])
fi

AC_SUBST(pgm_basename)

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

# Check how to enable -Wall
LIBXS_LANG_WALL([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"])

if test "x$libxs_werror" = "xyes" -a "x$libxs_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" != "xyes"; then
    LIBXS_LANG_WERROR([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_werror_flag $CPPFLAGS"])
fi

if test "x$libxs_pedantic" = "xyes"; then
    LIBXS_LANG_STRICT([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"])
fi
AC_LANG_POP([C++])

AM_CONDITIONAL(BUILD_LIBZMQ, test "x$libxs_libzmq_compat" = "xyes")
AM_CONDITIONAL(BUILD_PGM, test "x$libxs_pgm_ext" = "xyes")
AM_CONDITIONAL(ON_MINGW, test "x$libxs_on_mingw32" = "xyes")

# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs)
AC_CHECK_HEADERS([alloca.h])
LIBXS_CHECK_SOCK_CLOEXEC([AC_DEFINE(
                              [XS_HAVE_SOCK_CLOEXEC],
                              [1],
                              [Whether SOCK_CLOEXEC is defined and functioning.])
                          ])

# Subst LIBXS_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS
AC_SUBST(LIBXS_EXTRA_CFLAGS)
AC_SUBST(LIBXS_EXTRA_CXXFLAGS)
AC_SUBST(LIBXS_EXTRA_LDFLAGS)

AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile
    perf/Makefile src/libxs.pc src/libxszmq.pc \
    builds/msvc/Makefile tests/Makefile \
    foreign/openpgm/Makefile])
if test "x$libxs_libzmq_compat" == "xyes"; then
    AC_CONFIG_FILES([src/libzmq.pc])
fi
AC_OUTPUT

if test "x$libxs_libzmq_compat" == "xyes"; then
    AC_MSG_WARN([The --enable-libzmq-compat option was specified:])
    AC_MSG_WARN([libzmq compatibility library and headers are enabled.])
    AC_MSG_WARN([This will overwrite any existing installation of libzmq.])
fi