# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ(2.61) # # The 0MQ version number is extracted from include/zmq.h using # the version.sh script. Hence, it should be updated there. # The version in git should reflect the *next* version planned. # AC_INIT([zeromq],[m4_esyscmd([./version.sh])],[zeromq-dev@lists.zeromq.org]) AC_CONFIG_AUX_DIR(config) AC_CONFIG_MACRO_DIR(config) AC_CONFIG_HEADERS([src/platform.hpp]) AM_INIT_AUTOMAKE(foreign subdir-objects tar-ustar dist-zip) m4_pattern_allow([AC_PROG_CC_C99]) m4_include([m4/ax_check_compile_flag.m4]) m4_include([m4/ax_cxx_compile_stdcxx_11.m4]) m4_include([m4/ax_code_coverage.m4]) m4_include([m4/ax_valgrind_check.m4]) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) # This lets us use PACKAGE_VERSION in Makefiles AC_SUBST(PACKAGE_VERSION) # Libtool -version-info (ABI version) # # 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 # # Changes: # # 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) # ZeroMQ version 4.0: 4:0:0 (ABI version 4) # ZeroMQ version 4.1: 5:0:0 (ABI version 5) # # libzmq -version-info current:revision:age LTVER="5:0:0" AC_SUBST(LTVER) # Take a copy of original flags ZMQ_ORIG_CFLAGS="${CFLAGS:-none}" ZMQ_ORIG_CPPFLAGS="${CPPFLAGS:-none}" ZMQ_ORIG_CXXFLAGS="${CXXFLAGS:-none}" # Checks for programs. AC_PROG_CC AX_CHECK_COMPILE_FLAG([-std=gnu11], [CFLAGS+=" -std=gnu11"], [AC_PROG_CC_C99]) AC_PROG_CXX AX_CXX_COMPILE_STDCXX_11([ext], [optional]) AX_CODE_COVERAGE AM_PROG_CC_C_O AC_PROG_SED AC_PROG_AWK PKG_PROG_PKG_CONFIG m4_pattern_forbid([^PKG_[A-Z_]+$], [missing some pkg-config macros (pkg-config package)]) # 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]) LIBZMQ_CONFIG_LIBTOOL AC_LIBTOOL_WIN32_DLL AC_PROG_LIBTOOL AX_VALGRIND_CHECK # Check whether to build a with debug symbols LIBZMQ_CHECK_ENABLE_DEBUG # Check wheter to enable code coverage LIBZMQ_WITH_GCOV AC_MSG_CHECKING([if TIPC is available and supports nonblocking connect]) AC_RUN_IFELSE( [AC_LANG_PROGRAM([[ #include #include #include #include #include #include ]],[[ 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]) AC_MSG_RESULT([$libzmq_tipc_support]) AC_ARG_ENABLE([pedantic], [AS_HELP_STRING([--disable-pedantic], [disable pedantic compiler checks [default=enabled]])], [libzmq_pedantic=$enableval], [libzmq_pedantic=yes]) AC_ARG_WITH([militant], [AS_HELP_STRING([--with-militant], [enable militant API assertions])], [zmq_militant="yes"], []) if test "x$zmq_militant" = "xyes"; then AC_DEFINE(ZMQ_ACT_MILITANT, 1, [Enable militant API assertions]) fi # By default compiling with -Werror except OSX. libzmq_werror="yes" # By default use DSO visibility libzmq_dso_visibility="yes" # Platform specific checks libzmq_on_mingw="no" libzmq_on_cygwin="no" libzmq_on_android="no" libzmq_on_linux="no" libzmq_on_gnu="no" # Set some default features required by ZeroMQ code CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE -Wno-long-long $CPPFLAGS" # For host type checks AC_CANONICAL_HOST # OS-specific tests case "${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 $CPPFLAGS" fi AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS]) libzmq_on_linux="yes" if test "x$libzmq_tipc_support" = "xyes"; then AC_DEFINE(ZMQ_HAVE_TIPC, 1, [Have TIPC support]) fi case "${host_os}" in *android*) AC_DEFINE(ZMQ_HAVE_ANDROID, 1, [Have Android OS]) libzmq_on_android="yes" ;; esac ;; *solaris*) # Define on Solaris to enable all library features CPPFLAGS="-Wno-sign-compare -D_PTHREADS $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS]) AC_CHECK_LIB(socket, socket) AC_CHECK_LIB(nsl, gethostbyname) AC_MSG_CHECKING([whether atomic operations can be used]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[#include ]], [[uint32_t value; atomic_cas_32 (&value, 0, 0); return 0;]])], [solaris_has_atomic=yes], [solaris_has_atomic=no]) AC_MSG_RESULT([$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]) ;; *dragonfly*) CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_DRAGONFLY, 1, [Have DragonFly OS]) ;; *darwin*) # Define on Darwin to enable all library features CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS" libzmq_pedantic="no" libzmq_werror="no" AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS]) AC_LANG_PUSH([C++]) LIBZMQ_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized]) AC_LANG_POP([C++]) ;; *netbsd*) # Define on NetBSD to enable all library features CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_NETBSD, 1, [Have NetBSD OS]) # NetBSD 5.0 and newer provides atomic operations but we can # only use these on systems where PR #42842 has been fixed so # we must try and link a test program using C++. libzmq_netbsd_has_atomic=no AC_MSG_CHECKING([whether atomic operations can be used]) AC_LANG_PUSH([C++]) AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include ]], [[uint32_t value; atomic_cas_32 (&value, 0, 0); return 0;]])], [libzmq_netbsd_has_atomic=yes], [libzmq_netbsd_has_atomic=no]) AC_LANG_POP([C++]) AC_MSG_RESULT([$libzmq_netbsd_has_atomic]) if test "x$libzmq_netbsd_has_atomic" = "xno"; then AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes]) fi ;; *openbsd*|*bitrig*) # Define on OpenBSD to enable all library features CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_OPENBSD, 1, [Have OpenBSD OS]) ;; *nto-qnx*) libzmq_pedantic="no" AC_DEFINE(ZMQ_HAVE_QNXNTO, 1, [Have QNX Neutrino OS]) AC_CHECK_LIB(socket, socket) ;; *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 $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_HPUX, 1, [Have HPUX OS]) LIBZMQ_CHECK_LANG_FLAG_PREPEND([-Ae]) AC_CHECK_FUNCS(gethrtime) ;; *mingw*) AC_DEFINE(ZMQ_HAVE_WINDOWS, 1, [Have Windows OS]) AC_DEFINE(ZMQ_HAVE_MINGW, 1, [Have MinGW]) AC_CHECK_HEADERS(windows.h) AC_CHECK_LIB(ws2_32, main, , [AC_MSG_ERROR([cannot link with ws2_32.dll.])]) AC_CHECK_LIB(rpcrt4, main, , [AC_MSG_ERROR([cannot link with rpcrt4.dll.])]) AC_CHECK_LIB(iphlpapi, main, , [AC_MSG_ERROR([cannot link with iphlpapi.dll.])]) libzmq_on_mingw="yes" libzmq_dso_visibility="no" if test "x$enable_static" = "xyes"; then CPPFLAGS="-DZMQ_STATIC" fi # Set FD_SETSIZE to 1024 CPPFLAGS=" -DFD_SETSIZE=1024 $CPPFLAGS" ;; *cygwin*) # Define on Cygwin to enable all library features CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" AC_DEFINE(ZMQ_HAVE_CYGWIN, 1, [Have Cygwin]) libzmq_on_cygwin="yes" libzmq_dso_visibility="no" if test "x$enable_static" = "xyes"; then AC_MSG_ERROR([Building static libraries is not supported under Cygwin]) fi ;; 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) ;; *) AC_MSG_ERROR([unsupported system: ${host_os}.]) ;; esac # Checks for libraries AC_CHECK_LIB([pthread], [pthread_create]) AC_CHECK_LIB([rt], [clock_gettime]) # # Check if the compiler supports -fvisibility=hidden flag. MinGW uses __declspec # if test "x$libzmq_dso_visibility" = "xyes"; then AC_LANG_PUSH([C++]) LIBZMQ_CHECK_LANG_VISIBILITY([LIBZMQ_EXTRA_CXXFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag ${LIBZMQ_EXTRA_CXXFLAGS}"]) AC_LANG_POP([C++]) fi # CPU-specific optimizations case "${host_cpu}" in *sparc*) AC_LANG_PUSH([C++]) LIBZMQ_CHECK_LANG_FLAG_PREPEND([-mcpu=v9]) AC_LANG_POP([C++]) ;; *) ;; esac # Check whether to build docs / install man pages LIBZMQ_CHECK_DOC_BUILD # Check polling system, set appropriate macro in src/platform.hpp LIBZMQ_CHECK_POLLER # Checks for header files. AC_HEADER_STDC 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) # Check if we have ifaddrs.h header file. AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])]) # 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.])]) # Force not to use eventfd AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=enabled]])], [zmq_enable_eventfd=$enableval], [zmq_enable_eventfd=yes]) if test "x$zmq_enable_eventfd" = "xyes"; then # Check if we have eventfd.h header file. AC_CHECK_HEADERS(sys/eventfd.h, [AC_DEFINE(ZMQ_HAVE_EVENTFD, 1, [Have eventfd extension])]) fi # Conditionally build performance measurement tools AC_ARG_ENABLE([perf], [AS_HELP_STRING([--disable-perf], [don't build performance measurement tools [default=build]])], [zmq_enable_perf=$enableval], [zmq_enable_perf=yes]) AM_CONDITIONAL(ENABLE_PERF, test "x$zmq_enable_perf" = "xyes") # Conditionally build curve key generation tool AC_ARG_ENABLE([curve-keygen], [AS_HELP_STRING([--disable-curve-keygen], [don't build curve-keygen tool [default=build]])], [zmq_enable_curve_keygen=$enableval], [zmq_enable_curve_keygen=yes]) AM_CONDITIONAL(ENABLE_CURVE_KEYGEN, test "x$zmq_enable_curve_keygen" = "xyes") # Use c++ in subsequent tests AC_LANG_PUSH(C++) AC_CHECK_DECLS([SO_PEERCRED], [AC_DEFINE(ZMQ_HAVE_SO_PEERCRED, 1, [Have SO_PEERCRED socket option])], [], [#include ]) AC_CHECK_DECLS([LOCAL_PEERCRED], [AC_DEFINE(ZMQ_HAVE_LOCAL_PEERCRED, 1, [Have LOCAL_PEERCRED socket option])], [], [#include ]) AM_CONDITIONAL(HAVE_IPC_PEERCRED, test "x$ac_cv_have_decl_SO_PEERCRED" = "xyes" || test "x$ac_cv_have_decl_LOCAL_PEERCRED" = "xyes") AC_HEADER_STDBOOL AC_C_CONST AC_C_INLINE # Checks for typedefs, structures, and compiler characteristics. if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then dnl 279: controlling expression is constant dnl Fixes build with ICC 12.x LIBZMQ_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SIZE_T]) LIBZMQ_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SSIZE_T]) else AC_TYPE_SIZE_T AC_TYPE_SSIZE_T fi AC_HEADER_TIME AC_TYPE_UINT32_T AC_C_VOLATILE # build using libgssapi_krb5 AC_ARG_WITH([libgssapi_krb5], [AS_HELP_STRING([--with-libgssapi_krb5], [require libzmq build with libgssapi_krb5 [default=no]])], [require_libgssapi_krb5_ext=$withval], [require_libgssapi_krb5_ext=no]) # conditionally require libgssapi_krb5 if test "x$require_libgssapi_krb5_ext" != "xno"; then AC_CHECK_HEADERS(gssapi/gssapi_generic.h) AC_SEARCH_LIBS([gss_init_sec_context], [gssapi_krb5 gssapi],, AC_MSG_ERROR(libgssapi_krb5 is needed for GSSAPI security)) fi # Select curve encryption library, defaults to tweetnacl # To use libsodium instead, use --with-libsodium (must be installed) # To disable curve, use --disable-curve AC_ARG_WITH([libsodium], [AS_HELP_STRING([--with-libsodium], [use libsodium instead of built-in tweetnacl [default=no]])]) AS_IF([test "x$with_libsodium" = "xyes"], [ PKG_CHECK_MODULES([sodium], [libsodium], [libsodium_found=yes], [ AC_MSG_ERROR(libsodium is not installed. Install it, then run configure again) ]) ]) AC_ARG_ENABLE([curve], [AS_HELP_STRING([--disable-curve], [disable CURVE security [default=no]])]) if test "x$enable_curve" = "xno"; then curve_library="" AC_MSG_NOTICE([CURVE security is disabled]) elif test "x$with_libsodium" = "xyes"; then AC_MSG_NOTICE([Using libsodium for CURVE security]) AC_DEFINE(ZMQ_HAVE_CURVE, [1], [Using curve encryption]) AC_DEFINE(ZMQ_USE_LIBSODIUM, [1], [Using libsodium for curve encryption]) curve_library="libsodium" # On Solaris, libsodium depends on libssp case "${host_os}" in *solaris*) LDFLAGS="-lssp $LDFLAGS" libzmq_pedantic="no" libzmq_werror="no" ;; esac else AC_MSG_NOTICE([Using tweetnacl for CURVE security]) AC_DEFINE(ZMQ_HAVE_CURVE, [1], [Using curve encryption]) AC_DEFINE(ZMQ_USE_TWEETNACL, [1], [Using tweetnacl for curve encryption]) curve_library="tweetnacl" fi AM_CONDITIONAL(ENABLE_CURVE_KEYGEN, test "x$enable_curve" = "xyes") AM_CONDITIONAL(USE_LIBSODIUM, test "$curve_library" = "libsodium") AM_CONDITIONAL(USE_TWEETNACL, test "$curve_library" = "tweetnacl") # build using pgm have_pgm_library="no" AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], [build libzmq with PGM extension. Requires pkg-config [default=no]])], [with_pgm_ext=$withval], [with_pgm_ext=no]) # conditionally require pgm package if test "x$with_pgm_ext" != "xno"; then PKG_CHECK_MODULES([pgm], [openpgm-5.2 >= 5.2], [ have_pgm_library="yes" ], [PKG_CHECK_MODULES([pgm], [openpgm-5.1 >= 5.1], [ have_pgm_library="yes" ])]) fi if test "x$have_pgm_library" = "xyes"; then AC_DEFINE(ZMQ_HAVE_OPENPGM, [1], [Have OpenPGM extension]) fi AM_CONDITIONAL(HAVE_PGM, test "x$have_pgm_library" = "xyes") # 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) AC_ARG_WITH([norm], [AS_HELP_STRING([--with-norm], [build libzmq with NORM protocol extension, optionally specifying norm path [default=no]])], [with_norm_ext=$withval], [with_norm_ext=no]) AC_MSG_CHECKING("with_norm_ext = ${with_norm_ext}") if test "x$with_norm_ext" != "xno"; then AC_MSG_RESULT([yes]) AC_DEFINE(ZMQ_HAVE_NORM, 1, [Have NORM protocol extension]) if test "x$with_norm_ext" != "xyes"; then norm_path="${with_norm_ext}" LIBZMQ_EXTRA_CXXFLAGS="-I${norm_path}/include ${LIBZMQ_EXTRA_CXXFLAGS}" LIBZMQ_EXTRA_LDFLAGS="-I${norm_path}/include ${LIBZMQ_EXTRA_LDFLAGS}" fi LIBS="-lnorm $LIBS" else AC_MSG_RESULT([no]) fi # build using vmci have_vmci_library="no" AC_ARG_WITH([vmci], [AS_HELP_STRING([--with-vmci], [build libzmq with VMCI transport [default=no]])], [have_vmci_ext=$withval], [have_vmci_ext=no]) 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") # Set -Wall, -Werror and -pedantic AC_LANG_PUSH([C++]) # Check how to enable -Wall LIBZMQ_LANG_WALL([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"]) if test "x$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 $CPPFLAGS"]) fi if test "x$libzmq_pedantic" = "xyes"; then LIBZMQ_LANG_STRICT([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"]) fi AC_LANG_POP([C++]) AM_CONDITIONAL(BUILD_TIPC, test "x$libzmq_tipc_support" = "xyes") AM_CONDITIONAL(ON_MINGW, test "x$libzmq_on_mingw" = "xyes") AM_CONDITIONAL(ON_CYGWIN, test "x$libzmq_on_cygwin" = "xyes") AM_CONDITIONAL(ON_ANDROID, test "x$libzmq_on_android" = "xyes") AM_CONDITIONAL(ON_LINUX, test "x$libzmq_on_linux" = "xyes") AM_CONDITIONAL(ON_GNU, test "x$libzmq_on_gnu" = "xyes") # Check for __atomic_Xxx compiler intrinsics AC_LANG_PUSH([C++]) LIBZMQ_CHECK_ATOMIC_INTRINSICS([ AC_DEFINE([ZMQ_HAVE_ATOMIC_INTRINSICS], [1], [Whether compiler has __atomic_Xxx intrinsics.]) ]) AC_LANG_POP([C++]) # Checks for library functions. AC_TYPE_SIGNAL AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs fork posix_memalign mkdtemp) AC_CHECK_HEADERS([alloca.h]) LIBZMQ_CHECK_SOCK_CLOEXEC([ AC_DEFINE([ZMQ_HAVE_SOCK_CLOEXEC], [1], [Whether SOCK_CLOEXEC is defined and functioning.]) ]) # TCP keep-alives Checks. LIBZMQ_CHECK_SO_KEEPALIVE([ AC_DEFINE([ZMQ_HAVE_SO_KEEPALIVE], [1], [Whether SO_KEEPALIVE is supported.]) ]) LIBZMQ_CHECK_TCP_KEEPCNT([ AC_DEFINE([ZMQ_HAVE_TCP_KEEPCNT], [1], [Whether TCP_KEEPCNT is supported.]) ]) LIBZMQ_CHECK_TCP_KEEPIDLE([ AC_DEFINE([ZMQ_HAVE_TCP_KEEPIDLE], [1], [Whether TCP_KEEPIDLE is supported.]) ]) LIBZMQ_CHECK_TCP_KEEPINTVL([ AC_DEFINE([ZMQ_HAVE_TCP_KEEPINTVL], [1], [Whether TCP_KEEPINTVL is supported.]) ]) LIBZMQ_CHECK_TCP_KEEPALIVE([ AC_DEFINE([ZMQ_HAVE_TCP_KEEPALIVE], [1], [Whether TCP_KEEPALIVE is supported.]) ]) AM_CONDITIONAL(HAVE_FORK, test "x$ac_cv_func_fork" = "xyes") 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") # CPPFLAGS="-DZMQ_BUILD_DRAFT_API=1 $CPPFLAGS" else AC_MSG_NOTICE([Building stable and legacy API (no draft API)]) AC_SUBST(pkg_config_defines, "") fi # Subst LIBZMQ_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS AC_SUBST(LIBZMQ_EXTRA_CFLAGS) AC_SUBST(LIBZMQ_EXTRA_CXXFLAGS) AC_SUBST(LIBZMQ_EXTRA_LDFLAGS) AC_SUBST(LIBZMQ_VMCI_CXXFLAGS) AC_SUBST(LIBZMQ_VMCI_LDFLAGS) # set pkgconfigdir, allow override AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH], [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]), [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig']) AC_SUBST([pkgconfigdir]) AC_CONFIG_FILES([ \ Makefile \ src/libzmq.pc \ doc/Makefile \ builds/Makefile \ builds/msvc/Makefile \ packaging/redhat/zeromq.spec]) AC_OUTPUT