mirror of
https://github.com/zeromq/libzmq.git
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c9584096e0
On systems using GCC 4.0 or newer which support symbol visibility in shared libraries, use -fvisibility=hidden and only export explict API functions defined in zmq.cpp. We do not enable -fvisibility on MinGW since this uses a separate mechanism (__declspec). Signed-off-by: Martin Lucina <mato@kotelna.sk>
385 lines
12 KiB
Plaintext
385 lines
12 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.61)
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#
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# The 0MQ version number is extracted from include/zmq.h using
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# the version.sh script. Hence, it should be updated there.
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# The version in git should reflect the *next* version planned.
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#
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AC_INIT([zeromq],[m4_esyscmd(./version.sh | tr -d '\n')],[zeromq-dev@lists.zeromq.org])
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AC_CONFIG_AUX_DIR(config)
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AC_CONFIG_MACRO_DIR(config)
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AM_CONFIG_HEADER(src/platform.hpp)
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AM_INIT_AUTOMAKE(tar-ustar dist-zip foreign)
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# This lets us use PACKAGE_VERSION in Makefiles
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AC_SUBST(PACKAGE_VERSION)
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# Libtool -version-info (ABI version)
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#
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# Currently 0.0.0 ("unstable"). Don't change this unless you
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# know exactly what you're doing and have read and understand
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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#
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# libzmq -version-info
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LTVER="0:0:0"
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AC_SUBST(LTVER)
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_CC_C99
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AC_PROG_CXX
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AM_PROG_CC_C_O
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AC_PROG_SED
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AC_PROG_AWK
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# Host specific checks
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AC_CANONICAL_HOST
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# Libtool configuration for different targets. See acinclude.m4
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AC_CONFIG_LIBTOOL
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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# For that the compiler works and try to come up with the type
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AC_LANG(C)
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AC_CHECK_LANG_COMPILER
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AC_CHECK_LANG_ICC
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AC_CHECK_LANG_SUN_STUDIO
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AC_LANG(C++)
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AC_CHECK_LANG_COMPILER
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AC_CHECK_LANG_ICC
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AC_CHECK_LANG_SUN_STUDIO
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# Checks for libraries.
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AC_CHECK_LIB([pthread], [pthread_create])
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# Extra CFLAGS are appended at the end of CFLAGS for pgm.
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LIBZMQ_EXTRA_CFLAGS=""
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# Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq.
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LIBZMQ_EXTRA_CXXFLAGS=""
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# Extra LDFLAGS are appended at the end of LDFLAGS for libzmq.
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LIBZMQ_EXTRA_LDFLAGS=""
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# Set a helper variable to indicate GNU C and C++ are in use
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if test "x$GCC" = "xyes" -a "x$GXX" = "xyes"; then
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gnu_compilers="yes"
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# ICC is detected as GNU compiler, make sure that it's not being used as one
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if test "xyes" = "x$ac_cv_c_intel_compiler" -o "xyes" = "x$ac_cv_cpp_intel_compiler"; then
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gnu_compilers="no"
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fi
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else
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gnu_compilers="no"
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fi
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# Set pedantic when using GNU compilers
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if test "x$gnu_compilers" = "xyes"; then
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pedantic="yes"
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fi
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# By default compiling with -Werror except OSX.
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werror="yes"
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# Whether we are on mingw or not.
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on_mingw32="no"
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# Set some default features required by 0MQ code.
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CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"
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# OS-specific tests
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case "${host_os}" in
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*linux*)
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# Define on Linux to enable all library features. Define if using a gnu compiler
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if test "x$gnu_compilers" = "xyes"; then
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CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
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fi
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AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
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AC_CHECK_LIB(rt, sem_init)
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AC_CHECK_LIB(uuid, uuid_generate, ,
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[AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
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;;
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*solaris*)
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# Define on Solaris to enable all library features
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CPPFLAGS="-D_PTHREADS $CPPFLAGS"
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AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS])
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AC_CHECK_LIB(socket, socket)
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AC_CHECK_LIB(nsl, gethostbyname)
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AC_CHECK_LIB(rt, sem_init)
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AC_CHECK_LIB(uuid, uuid_generate, ,
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[AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
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AC_MSG_CHECKING([whether atomic operations can be used])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[#include <atomic.h>]],
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[[uint32_t value;
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atomic_cas_32 (&value, 0, 0);
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return 0;]])],
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[solaris_has_atomic=yes],
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[solaris_has_atomic=no])
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AC_MSG_RESULT([$solaris_has_atomic])
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# Solaris 8 does not have atomic operations exported to user space.
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if test "x$solaris_has_atomic" = "xno"; then
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AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
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fi
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;;
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*freebsd*)
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# Define on FreeBSD to enable all library features
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CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
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AC_DEFINE(ZMQ_HAVE_FREEBSD, 1, [Have FreeBSD OS])
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;;
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*darwin*)
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# Define on Darwin to enable all library features
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CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
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pedantic="no"
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werror="no"
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AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS])
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LIBZMQ_EXTRA_CXXFLAGS+="-Wno-uninitialized"
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;;
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*netbsd*)
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# Define on NetBSD to enable all library features
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CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
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AC_DEFINE(ZMQ_HAVE_NETBSD, 1, [Have NetBSD OS])
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# NetBSD 5.0 and newer provides atomic operations but we can
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# only use these on systems where PR #42842 has been fixed so
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# we must try and link a test program using C++.
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netbsd_has_atomic=no
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AC_MSG_CHECKING([whether atomic operations can be used])
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AC_LANG_PUSH([C++])
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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[[#include <atomic.h>]],
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[[uint32_t value;
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atomic_cas_32 (&value, 0, 0);
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return 0;]])],
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[netbsd_has_atomic=yes],
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[netbsd_has_atomic=no])
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AC_LANG_POP([C++])
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AC_MSG_RESULT([$netbsd_has_atomic])
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if test "x$netbsd_has_atomic" = "xno"; then
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AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
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fi
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;;
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*openbsd*)
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# Define on OpenBSD to enable all library features
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CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
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AC_DEFINE(ZMQ_HAVE_OPENBSD, 1, [Have OpenBSD OS])
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;;
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*nto-qnx*)
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pedantic="no"
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AC_DEFINE(ZMQ_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
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AC_CHECK_LIB(socket, socket)
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AC_CHECK_LIB(crypto, RAND_bytes)
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;;
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*aix*)
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AC_DEFINE(ZMQ_HAVE_AIX, 1, [Have AIX OS])
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AC_CHECK_LIB(crypto,RAND_bytes)
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;;
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*hpux*)
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# Define on HP-UX to enable all library features
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CPPFLAGS="-D_POSIX_C_SOURCE=200112L"
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AC_DEFINE(ZMQ_HAVE_HPUX, 1, [Have HPUX OS])
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AC_CHECK_LIB(rt, sem_init)
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AC_CHECK_LIB(crypto, RAND_bytes)
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;;
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*mingw32*)
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AC_DEFINE(ZMQ_HAVE_WINDOWS, 1, [Have Windows OS])
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AC_DEFINE(ZMQ_HAVE_MINGW32, 1, [Have MinGW32])
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AC_CHECK_HEADERS(windows.h)
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AC_CHECK_LIB(ws2_32, main, ,
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[AC_MSG_ERROR([cannot link with ws2_32.dll.])])
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AC_CHECK_LIB(rpcrt4, main, ,
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[AC_MSG_ERROR([cannot link with rpcrt4.dll.])])
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AC_CHECK_LIB(iphlpapi, main, ,
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[AC_MSG_ERROR([cannot link with iphlpapi.dll.])])
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# mingw32 defines __int64_t as long long
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CPPFLAGS="-Wno-long-long ${CPPFLAGS} "
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on_mingw32="yes"
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if test "x$enable_static" = "xyes"; then
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AC_MSG_ERROR([Building static libraries is not supported under MinGW32])
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fi
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;;
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*cygwin*)
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# Define on Cygwin to enable all library features
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CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
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AC_DEFINE(ZMQ_HAVE_CYGWIN, 1, [Have Cygwin])
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# Cygwin provides libuuid as part of the e2fsprogs package, and somewhat
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# uselessly installs the library in /usr/lib/e2fsprogs
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LDFLAGS="${LDFLAGS} -L/usr/lib/e2fsprogs"
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AC_CHECK_LIB(uuid, uuid_generate, ,
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[AC_MSG_ERROR([cannot link with -luuid, install the e2fsprogs package.])])
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if test "x$enable_static" = "xyes"; then
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AC_MSG_ERROR([Building static libraries is not supported under Cygwin])
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fi
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;;
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*)
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AC_MSG_ERROR([unsupported system: ${host_os}.])
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;;
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esac
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# Check if the compiler supports -fvisibility=hidden. If so, use it, but not
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# on MinGW32 where we use a separate mechanism (__declspec).
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_LT_COMPILER_OPTION([if $compiler supports -fvisibility=hidden],
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ac_cv_prog_compiler_visibility,
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[-fvisibility=hidden],
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[],
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[have_dso_visibility=yes])
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if test "x$have_dso_visibility" = "xyes" -a "x$on_mingw32" = "xno"; then
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LIBZMQ_EXTRA_CFLAGS="-fvisibility=hidden $LIBZMQ_EXTRA_CFLAGS"
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LIBZMQ_EXTRA_CXXFLAGS="-fvisibility=hidden $LIBZMQ_EXTRA_CXXFLAGS"
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fi
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# CPU-specific optimizations
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case "${host_cpu}" in
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*sparc*)
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if test "x$gnu_compilers" = "xyes"; then
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CPPFLAGS="$CPPFLAGS -mcpu=v9"
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fi
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;;
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*)
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;;
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esac
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# Check whether to build docs / install man pages
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AC_CHECK_DOC_BUILD
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# Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \
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stdlib.h string.h sys/socket.h sys/time.h unistd.h limits.h)
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# Check if we have ifaddrs.h header file.
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AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])])
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# Use c++ in subsequent tests
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AC_LANG(C++)
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# pkg-config is used if found, however, we need to provide a way to disable it
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# entirely when the user knows what she's doing and it's use is undesirable,
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# such as when cross-compiling.
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AC_ARG_WITH([pkg-config], [AS_HELP_STRING([--without-pkg-config],
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[do not use pkg-config [default=no]])])
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if test "x$with_pkg_config" != "xno"; then
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AC_CHECK_PROG(have_pkg_config, pkg-config, yes, no)
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fi
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# Checks for typedefs, structures, and compiler characteristics.
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AC_HEADER_STDBOOL
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AC_C_CONST
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AC_C_INLINE
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AC_TYPE_SIZE_T
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AC_TYPE_SSIZE_T
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AC_HEADER_TIME
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AC_TYPE_UINT32_T
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AC_C_VOLATILE
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# PGM extension
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pgm_ext="no"
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pgm_basename="libpgm-5.0.91~dfsg"
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AC_SUBST(pgm_basename)
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AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm],
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[build libzmq with PGM extension [default=no]])],
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[with_pgm_ext=yes], [with_pgm_ext=no])
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if test "x$with_pgm_ext" != "xno"; then
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if test "x$ac_cv_prog_cc_c99" = "xno"; then
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AC_MSG_WARN([The C compiler is not set to C99 mode. The build will most likely fail])
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fi
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AC_MSG_CHECKING([if the PGM extension is supported on this platform])
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# OpenPGM is only supported by the vendor on x86, AMD64, and SPARC platforms...
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case "${host_cpu}" in
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i*86|x86_64|amd64|*sparc*)
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# Supported
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;;
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*)
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AC_MSG_ERROR([the PGM extension is not supported on the ${host_cpu} platform.])
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;;
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esac
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# ... and on Linux/Windows/Solaris/FreeBSD/OSX systems.
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case "${host_os}" in
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*linux*|*mingw32*|*solaris*|*freebsd*|*darwin*)
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if test "x$gnu_compilers" = "xyes"; then
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LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -Wno-variadic-macros -Wno-long-long "
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elif test "x$ac_cv_c_intel_compiler" = "xyes"; then
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LIBZMQ_EXTRA_CFLAGS="-strict-ansi -Dasm=__asm__ "
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elif test "x$ac_cv_c_sun_studio_compiler" = "xyes"; then
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LIBZMQ_EXTRA_CFLAGS="-Xc -Dasm=__asm__ "
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fi
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;;
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*)
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AC_MSG_ERROR([the PGM extension is not supported on system ${host_os}.])
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;;
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esac
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AC_MSG_RESULT([yes])
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# Gzip, Perl and Python are required duing PGM build
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AC_CHECK_PROG(have_gzip, gzip, yes, no)
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if test "x$have_gzip" != "xyes"; then
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AC_MSG_ERROR([gzip is required for building the PGM extension.])
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fi
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AC_CHECK_PROG(have_perl, perl, yes, no)
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if test "x$have_perl" != "xyes"; then
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AC_MSG_ERROR([perl is required for building the PGM extension.])
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fi
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AC_CHECK_PROG(have_python, python, yes, no)
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if test "x$have_python" != "xyes"; then
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AC_MSG_ERROR([python is required for building the PGM extension.])
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fi
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# Unpack libpgm
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AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.gz])
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if ! gzip -dc foreign/openpgm/${pgm_basename}.tar.gz | tar -xf - -C foreign/openpgm/; then
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AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.gz file.])
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fi
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# Success!
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AC_DEFINE(ZMQ_HAVE_OPENPGM, 1, [Have OpenPGM extension])
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pgm_ext="yes"
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fi
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# -Wall, -Werror and -pedantic are GNU compiler specific.
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# Also, these break OpenPGM so don't specify them if we are building with it.
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if test "x$gnu_compilers" = "xyes" -a "x$pgm_ext" = "xno"; then
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CPPFLAGS="-Wall $CPPFLAGS"
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if test "x$pedantic" = "xyes"; then
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CPPFLAGS="-pedantic $CPPFLAGS"
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fi
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if test "x$werror" = "xyes"; then
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CPPFLAGS="-Werror $CPPFLAGS"
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fi
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fi
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AM_CONDITIONAL(BUILD_PGM, test "x$pgm_ext" = "xyes")
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AM_CONDITIONAL(ON_MINGW, test "x$on_mingw32" = "xyes")
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# Subst LIBZMQ_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS
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AC_SUBST(LIBZMQ_EXTRA_CFLAGS)
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AC_SUBST(LIBZMQ_EXTRA_CXXFLAGS)
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AC_SUBST(LIBZMQ_EXTRA_LDFLAGS)
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# Checks for library functions.
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AC_TYPE_SIGNAL
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AC_CHECK_FUNCS(perror gettimeofday memset socket getifaddrs freeifaddrs)
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AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile
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perf/Makefile src/libzmq.pc \
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devices/Makefile devices/zmq_forwarder/Makefile \
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devices/zmq_streamer/Makefile devices/zmq_queue/Makefile \
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builds/msvc/Makefile tests/Makefile])
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AC_OUTPUT
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