mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-27 15:41:05 +08:00
f8816945c2
Solution: even though epoll() semantics are supported in modern illumos, it may differ from what Linux developers are used to expect. Skip epoll and use poll or select semantics (both were checked to work well).
1048 lines
40 KiB
Plaintext
1048 lines
40 KiB
Plaintext
dnl ##############################################################################
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dnl # LIBZMQ_CONFIG_LIBTOOL #
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dnl # Configure libtool. Requires AC_CANONICAL_HOST #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CONFIG_LIBTOOL], [{
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AC_REQUIRE([AC_CANONICAL_HOST])
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# Libtool configuration for different targets
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case "${host_os}" in
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*mingw*|*cygwin*)
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# Disable static build by default
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AC_DISABLE_STATIC
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;;
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*)
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# Everything else with static enabled
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AC_ENABLE_STATIC
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;;
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esac
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_LANG_ICC([action-if-found], [action-if-not-found]) #
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dnl # Check if the current language is compiled using ICC #
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dnl # Adapted from http://software.intel.com/en-us/forums/showthread.php?t=67984 #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_ICC],
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[AC_CACHE_CHECK([whether we are using Intel _AC_LANG compiler],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler],
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[_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[#ifndef __INTEL_COMPILER
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error if not ICC
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#endif
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]])],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler="yes" ; $1],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler="no" ; $2])
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])])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_LANG_SUN_STUDIO([action-if-found], [action-if-not-found]) #
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dnl # Check if the current language is compiled using Sun Studio #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_SUN_STUDIO],
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[AC_CACHE_CHECK([whether we are using Sun Studio _AC_LANG compiler],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler],
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[_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[#if !defined(__SUNPRO_CC) && !defined(__SUNPRO_C)
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error if not sun studio
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#endif
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]])],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler="yes" ; $1],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler="no" ; $2])
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])])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_LANG_CLANG([action-if-found], [action-if-not-found]) #
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dnl # Check if the current language is compiled using clang #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_CLANG],
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[AC_CACHE_CHECK([whether we are using clang _AC_LANG compiler],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler],
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[_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[#ifndef __clang__
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error if not clang
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#endif
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]])],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler="yes" ; $1],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler="no" ; $2])
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])])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_LANG_GCC4([action-if-found], [action-if-not-found]) #
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dnl # Check if the current language is compiled using clang #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_GCC4],
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[AC_CACHE_CHECK([whether we are using gcc >= 4 _AC_LANG compiler],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_gcc4_compiler],
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[_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[#if (!defined __GNUC__ || __GNUC__ < 4)
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error if not gcc4 or higher
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#endif
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]])],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_gcc4_compiler="yes" ; $1],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_gcc4_compiler="no" ; $2])
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])])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_DOC_BUILD #
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dnl # Check whether to build documentation and install man-pages #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_DOC_BUILD], [{
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# Man pages are built/installed if asciidoc and xmlto are present
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# --with-docs=no overrides this
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AC_ARG_WITH([docs],
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AS_HELP_STRING([--without-docs],
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[Don't build and install man pages [default=build]]),
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[with_docs=$withval])
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AC_ARG_WITH([documentation], [AS_HELP_STRING([--without-documentation],
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[Don't build and install man pages [default=build] DEPRECATED: use --without-docs])])
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if test "x$with_documentation" = "xno"; then
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AC_MSG_WARN([--without-documentation is DEPRECATED and will be removed in the next release, use --without-docs])
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fi
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if test "x$with_docs" = "xno" || test "x$with_documentation" = "xno"; then
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libzmq_build_doc="no"
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libzmq_install_man="no"
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else
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# Determine whether or not documentation should be built and installed.
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libzmq_build_doc="yes"
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libzmq_install_man="yes"
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# Check for asciidoc and xmlto and don't build the docs if these are not installed.
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AC_CHECK_PROG(libzmq_have_asciidoc, asciidoc, yes, no)
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AC_CHECK_PROG(libzmq_have_xmlto, xmlto, yes, no)
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if test "x$libzmq_have_asciidoc" = "xno" -o "x$libzmq_have_xmlto" = "xno"; then
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libzmq_build_doc="no"
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# Tarballs built with 'make dist' ship with prebuilt documentation.
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if ! test -f doc/zmq.7; then
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libzmq_install_man="no"
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AC_MSG_WARN([You are building an unreleased version of 0MQ and asciidoc or xmlto are not installed.])
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AC_MSG_WARN([Documentation will not be built and manual pages will not be installed.])
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fi
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fi
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# Do not install man pages if on mingw
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if test "x$libzmq_on_mingw" = "xyes"; then
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libzmq_install_man="no"
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fi
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fi
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AC_MSG_CHECKING([whether to build documentation])
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AC_MSG_RESULT([$libzmq_build_doc])
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AC_MSG_CHECKING([whether to install manpages])
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AC_MSG_RESULT([$libzmq_install_man])
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AM_CONDITIONAL(BUILD_DOC, test "x$libzmq_build_doc" = "xyes")
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AM_CONDITIONAL(INSTALL_MAN, test "x$libzmq_install_man" = "xyes")
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_LANG_COMPILER([action-if-found], [action-if-not-found]) #
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dnl # Check that compiler for the current language actually works #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_COMPILER], [{
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# Test that compiler for the current language actually works
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AC_CACHE_CHECK([whether the _AC_LANG compiler works],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_compiler_works],
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[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_compiler_works="yes" ; $1],
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[libzmq_cv_[]_AC_LANG_ABBREV[]_compiler_works="no" ; $2])
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])
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if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_compiler_works" != "xyes"; then
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AC_MSG_ERROR([Unable to find a working _AC_LANG compiler])
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fi
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_COMPILERS #
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dnl # Check compiler characteristics. This is so that we can AC_REQUIRE checks #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_COMPILERS], [{
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# For that the compiler works and try to come up with the type
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AC_LANG_PUSH([C])
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LIBZMQ_CHECK_LANG_COMPILER
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LIBZMQ_CHECK_LANG_ICC
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LIBZMQ_CHECK_LANG_SUN_STUDIO
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LIBZMQ_CHECK_LANG_CLANG
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LIBZMQ_CHECK_LANG_GCC4
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AC_LANG_POP([C])
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AC_LANG_PUSH(C++)
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LIBZMQ_CHECK_LANG_COMPILER
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LIBZMQ_CHECK_LANG_ICC
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LIBZMQ_CHECK_LANG_SUN_STUDIO
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LIBZMQ_CHECK_LANG_CLANG
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LIBZMQ_CHECK_LANG_GCC4
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AC_LANG_POP([C++])
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# Set GCC and GXX variables correctly
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if test "x$GCC" = "xyes"; then
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if test "xyes" = "x$libzmq_cv_c_intel_compiler"; then
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GCC="no"
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fi
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fi
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if test "x$GXX" = "xyes"; then
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if test "xyes" = "x$libzmq_cv_cxx_intel_compiler"; then
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GXX="no"
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fi
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fi
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}])
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dnl ############################################################################
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dnl # LIBZMQ_CHECK_LANG_FLAG([flag], [action-if-found], [action-if-not-found]) #
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dnl # Check if the compiler supports given flag. Works for C and C++ #
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dnl # Sets libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_[FLAG]=yes/no #
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dnl ############################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_FLAG], [{
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AC_REQUIRE([AC_PROG_GREP])
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AC_MSG_CHECKING([whether _AC_LANG compiler supports $1])
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libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag_save=$ac_[]_AC_LANG_ABBREV[]_werror_flag
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ac_[]_AC_LANG_ABBREV[]_werror_flag="yes"
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case "x[]_AC_LANG_ABBREV" in
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xc)
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libzmq_cv_check_lang_flag_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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;;
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xcxx)
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libzmq_cv_check_lang_flag_save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $1"
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;;
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*)
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AC_MSG_WARN([testing compiler characteristic on an unknown language])
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;;
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esac
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
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# This hack exist for ICC, which outputs unknown options as remarks
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# Remarks are not turned into errors even with -Werror on
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[if ($GREP 'ignoring unknown' conftest.err ||
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$GREP 'not supported' conftest.err) >/dev/null 2>&1; then
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eval AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)="no"
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else
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eval AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)="yes"
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fi],
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[eval AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)="no"])
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case "x[]_AC_LANG_ABBREV" in
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xc)
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CFLAGS="$libzmq_cv_check_lang_flag_save_CFLAGS"
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;;
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xcxx)
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CPPFLAGS="$libzmq_cv_check_lang_flag_save_CPPFLAGS"
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;;
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*)
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# nothing to restore
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;;
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esac
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# Restore the werror flag
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ac_[]_AC_LANG_ABBREV[]_werror_flag=$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag_save
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# Call the action as the flags are restored
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AS_IF([eval test x$]AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)[ = "xyes"],
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[AC_MSG_RESULT(yes) ; $2], [AC_MSG_RESULT(no) ; $3])
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}])
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dnl ####################################################################################
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dnl # LIBZMQ_CHECK_LANG_FLAG_PREPEND([flag], [action-if-found], [action-if-not-found]) #
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dnl # Check if the compiler supports given flag. Works for C and C++ #
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dnl # This macro prepends the flag to CFLAGS or CPPFLAGS accordingly #
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dnl # Sets libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_[FLAG]=yes/no #
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dnl ####################################################################################
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AC_DEFUN([LIBZMQ_CHECK_LANG_FLAG_PREPEND], [{
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LIBZMQ_CHECK_LANG_FLAG([$1])
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case "x[]_AC_LANG_ABBREV" in
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xc)
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AS_IF([eval test x$]AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)[ = "xyes"],
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[CFLAGS="$1 $CFLAGS"; $2], $3)
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;;
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xcxx)
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AS_IF([eval test x$]AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_flag_$1)[ = "xyes"],
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[CPPFLAGS="$1 $CPPFLAGS"; $2], $3)
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;;
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esac
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_ENABLE_DEBUG([action-if-found], [action-if-not-found]) #
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dnl # Check whether to enable debug build and set compiler flags accordingly #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_ENABLE_DEBUG], [{
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# Require compiler specifics
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AC_REQUIRE([LIBZMQ_CHECK_COMPILERS])
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# This flag is checked also in
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AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],
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[enable debugging information [default=disabled]])])
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AC_MSG_CHECKING(whether to enable debugging information)
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if test "x$enable_debug" = "xyes"; then
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# GCC, clang and ICC
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if test "x$GCC" = "xyes" -o \
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"x$libzmq_cv_c_intel_compiler" = "xyes" -o \
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"x$libzmq_cv_c_clang_compiler" = "xyes"; then
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CFLAGS="-g -O0 "
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elif test "x$libzmq_cv_c_sun_studio_compiler" = "xyes"; then
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CFLAGS="-g0 "
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fi
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# GCC, clang and ICC
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if test "x$GXX" = "xyes" -o \
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"x$libzmq_cv_cxx_intel_compiler" = "xyes" -o \
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"x$libzmq_cv_cxx_clang_compiler" = "xyes"; then
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CPPFLAGS="-g -O0 "
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CXXFLAGS="-g -O0 "
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# Sun studio
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elif test "x$libzmq_cv_cxx_sun_studio_compiler" = "xyes"; then
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CPPFLAGS="-g0 "
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CXXFLAGS="-g0 "
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fi
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if test "x$ZMQ_ORIG_CFLAGS" != "xnone"; then
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CFLAGS="${CFLAGS} ${ZMQ_ORIG_CFLAGS}"
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fi
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if test "x$ZMQ_ORIG_CPPFLAGS" != "xnone"; then
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CPPFLAGS="${CPPFLAGS} ${ZMQ_ORIG_CPPFLAGS}"
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fi
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if test "x$ZMQ_ORIG_CXXFLAGS" != "xnone"; then
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CXXFLAGS="${CXXFLAGS} ${ZMQ_ORIG_CXXFLAGS}"
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fi
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_WITH_GCOV([action-if-found], [action-if-not-found]) #
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dnl # Check whether to build with code coverage #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_WITH_GCOV], [{
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# Require compiler specifics
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AC_REQUIRE([LIBZMQ_CHECK_COMPILERS])
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AC_ARG_WITH(gcov, [AS_HELP_STRING([--with-gcov=yes/no],
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[with GCC Code Coverage reporting.])],
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[ZMQ_GCOV="$withval"])
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AC_MSG_CHECKING(whether to enable code coverage)
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if test "x$ZMQ_GCOV" = "xyes"; then
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if test "x$GXX" != "xyes"; then
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AC_MSG_ERROR([--with-gcov=yes works only with GCC])
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fi
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CFLAGS="-g -O0 -fprofile-arcs -ftest-coverage"
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if test "x${ZMQ_ORIG_CPPFLAGS}" != "xnone"; then
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CFLAGS="${CFLAGS} ${ZMQ_ORIG_CFLAGS}"
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fi
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CPPFLAGS="-g -O0 -fprofile-arcs -ftest-coverage"
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if test "x${ZMQ_ORIG_CPPFLAGS}" != "xnone"; then
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CPPFLAGS="${CPPFLAGS} ${ZMQ_ORIG_CPPFLAGS}"
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fi
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CXXFLAGS="-fprofile-arcs"
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if test "x${ZMQ_ORIG_CXXFLAGS}" != "xnone"; then
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CXXFLAGS="${CXXFLAGS} ${ZMQ_ORIG_CXXFLAGS}"
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fi
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LIBS="-lgcov ${LIBS}"
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fi
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AS_IF([test "x$ZMQ_GCOV" = "xyes"],
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[AC_MSG_RESULT(yes) ; $1], [AC_MSG_RESULT(no) ; $2])
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_CHECK_WITH_FLAG([flags], [macro]) #
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dnl # Runs a normal autoconf check with compiler flags #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_CHECK_WITH_FLAG], [{
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libzmq_check_with_flag_save_CFLAGS="$CFLAGS"
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libzmq_check_with_flag_save_CPPFLAGS="$CPPFLAGS"
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CFLAGS="$CFLAGS $1"
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CPPFLAGS="$CPPFLAGS $1"
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# Execute the macro
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$2
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CFLAGS="$libzmq_check_with_flag_save_CFLAGS"
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CPPFLAGS="$libzmq_check_with_flag_save_CPPFLAGS"
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}])
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dnl ##############################################################################
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dnl # LIBZMQ_LANG_WALL([action-if-found], [action-if-not-found]) #
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dnl # How to define -Wall for the current compiler #
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dnl # Sets libzmq_cv_[]_AC_LANG_ABBREV[]__wall_flag variable to found style #
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dnl ##############################################################################
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AC_DEFUN([LIBZMQ_LANG_WALL], [{
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AC_MSG_CHECKING([how to enable additional warnings for _AC_LANG compiler])
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libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag=""
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# C compilers
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case "x[]_AC_LANG_ABBREV" in
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xc)
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# GCC, clang and ICC
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if test "x$GCC" = "xyes" -o \
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"x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes" -o \
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"x$libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler" = "xyes"; then
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libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag="-Wall"
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# Sun studio
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elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
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libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag="-v"
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fi
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;;
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xcxx)
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# GCC, clang and ICC
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if test "x$GXX" = "xyes" -o \
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"x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes" -o \
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"x$libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler" = "xyes"; then
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libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag="-Wall"
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# Sun studio
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag="+w"
|
|
fi
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
# Call the action
|
|
if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag" != "x"; then
|
|
AC_MSG_RESULT([$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag])
|
|
$1
|
|
else
|
|
AC_MSG_RESULT([not found])
|
|
$2
|
|
fi
|
|
}])
|
|
|
|
dnl ####################################################################
|
|
dnl # LIBZMQ_LANG_STRICT([action-if-found], [action-if-not-found]) #
|
|
dnl # Check how to turn on strict standards compliance #
|
|
dnl ####################################################################
|
|
AC_DEFUN([LIBZMQ_LANG_STRICT], [{
|
|
AC_MSG_CHECKING([how to enable strict standards compliance in _AC_LANG compiler])
|
|
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag=""
|
|
|
|
# C compilers
|
|
case "x[]_AC_LANG_ABBREV" in
|
|
xc)
|
|
# GCC, clang and ICC
|
|
if test "x$GCC" = "xyes" -o "x$libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-pedantic"
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-strict-ansi"
|
|
# Sun studio
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-Xc"
|
|
fi
|
|
;;
|
|
xcxx)
|
|
# GCC, clang and ICC
|
|
if test "x$GXX" = "xyes" -o "x$libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-pedantic"
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-strict-ansi"
|
|
# Sun studio
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag="-compat=5"
|
|
fi
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
# Call the action
|
|
if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag" != "x"; then
|
|
AC_MSG_RESULT([$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag])
|
|
$1
|
|
else
|
|
AC_MSG_RESULT([not found])
|
|
$2
|
|
fi
|
|
}])
|
|
|
|
dnl ########################################################################
|
|
dnl # LIBZMQ_LANG_WERROR([action-if-found], [action-if-not-found]) #
|
|
dnl # Check how to turn warnings to errors #
|
|
dnl ########################################################################
|
|
AC_DEFUN([LIBZMQ_LANG_WERROR], [{
|
|
AC_MSG_CHECKING([how to turn warnings to errors in _AC_LANG compiler])
|
|
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag=""
|
|
|
|
# C compilers
|
|
case "x[]_AC_LANG_ABBREV" in
|
|
xc)
|
|
# GCC, clang and ICC
|
|
if test "x$GCC" = "xyes" -o "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag="-Werror"
|
|
# Sun studio
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag="-errwarn=%all"
|
|
fi
|
|
;;
|
|
xcxx)
|
|
# GCC, clang and ICC
|
|
if test "x$GXX" = "xyes" -o "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag="-Werror"
|
|
# Sun studio
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag="-errwarn=%all"
|
|
fi
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
# Call the action
|
|
if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag" != "x"; then
|
|
AC_MSG_RESULT([$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag])
|
|
$1
|
|
else
|
|
AC_MSG_RESULT([not found])
|
|
$2
|
|
fi
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_LANG_PRAGMA([pragma], [action-if-found], [action-if-not-found]) #
|
|
dnl # Check if the compiler supports given pragma #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_LANG_PRAGMA], [{
|
|
# Need to know how to enable all warnings
|
|
LIBZMQ_LANG_WALL
|
|
|
|
AC_MSG_CHECKING([whether _AC_LANG compiler supports pragma $1])
|
|
|
|
# Save flags
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag_save=$ac_[]_AC_LANG_ABBREV[]_werror_flag
|
|
ac_[]_AC_LANG_ABBREV[]_werror_flag="yes"
|
|
|
|
if test "x[]_AC_LANG_ABBREV" = "xc"; then
|
|
libzmq_cv_check_lang_pragma_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag"
|
|
elif test "x[]_AC_LANG_ABBREV" = "xcxx"; then
|
|
libzmq_cv_check_lang_pragma_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS $libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag"
|
|
else
|
|
AC_MSG_WARN([testing compiler characteristic on an unknown language])
|
|
fi
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#pragma $1]])],
|
|
[eval AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_pragma_$1)="yes" ; AC_MSG_RESULT(yes)],
|
|
[eval AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_pragma_$1)="no" ; AC_MSG_RESULT(no)])
|
|
|
|
if test "x[]_AC_LANG_ABBREV" = "xc"; then
|
|
CFLAGS="$libzmq_cv_check_lang_pragma_save_CFLAGS"
|
|
elif test "x[]_AC_LANG_ABBREV" = "xcxx"; then
|
|
CPPFLAGS="$libzmq_cv_check_lang_pragma_save_CPPFLAGS"
|
|
fi
|
|
|
|
ac_[]_AC_LANG_ABBREV[]_werror_flag=$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag_save
|
|
|
|
# Call the action as the flags are restored
|
|
AS_IF([eval test x$]AS_TR_SH(libzmq_cv_[]_AC_LANG_ABBREV[]_supports_pragma_$1)[ = "xyes"],
|
|
[$2], [$3])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_LANG_VISIBILITY([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if the compiler supports dso visibility #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_LANG_VISIBILITY], [{
|
|
|
|
libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag=""
|
|
|
|
if test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes" -o \
|
|
"x$libzmq_cv_[]_AC_LANG_ABBREV[]_clang_compiler" = "xyes" -o \
|
|
"x$libzmq_cv_[]_AC_LANG_ABBREV[]_gcc4_compiler" = "xyes"; then
|
|
LIBZMQ_CHECK_LANG_FLAG([-fvisibility=hidden],
|
|
[libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag="-fvisibility=hidden"])
|
|
elif test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" = "xyes"; then
|
|
LIBZMQ_CHECK_LANG_FLAG([-xldscope=hidden],
|
|
[libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag="-xldscope=hidden"])
|
|
fi
|
|
|
|
AC_MSG_CHECKING(whether _AC_LANG compiler supports dso visibility)
|
|
|
|
AS_IF([test "x$libzmq_cv_[]_AC_LANG_ABBREV[]_visibility_flag" != "x"],
|
|
[AC_MSG_RESULT(yes) ; $1], [AC_MSG_RESULT(no) ; $2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_SOCK_CLOEXEC([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if SOCK_CLOEXEC is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_SOCK_CLOEXEC], [{
|
|
AC_CACHE_CHECK([whether SOCK_CLOEXEC is supported], [libzmq_cv_sock_cloexec],
|
|
[AC_TRY_RUN([/* SOCK_CLOEXEC test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s = socket (PF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
|
|
return (s == -1);
|
|
}
|
|
],
|
|
[libzmq_cv_sock_cloexec="yes"],
|
|
[libzmq_cv_sock_cloexec="no"],
|
|
[libzmq_cv_sock_cloexec="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_sock_cloexec" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_EVENTFD_CLOEXEC([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if EFD_CLOEXEC is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_EVENTFD_CLOEXEC], [{
|
|
AC_CACHE_CHECK([whether EFD_CLOEXEC is supported], [libzmq_cv_efd_cloexec],
|
|
[AC_TRY_RUN([/* EFD_CLOEXEC test */
|
|
#include <sys/eventfd.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s = eventfd (0, EFD_CLOEXEC);
|
|
return (s == -1);
|
|
}
|
|
],
|
|
[libzmq_cv_efd_cloexec="yes"],
|
|
[libzmq_cv_efd_cloexec="no"],
|
|
[libzmq_cv_efd_cloexec="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_efd_cloexec" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_ATOMIC_INSTRINSICS([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if compiler supoorts __atomic_Xxx intrinsics #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_ATOMIC_INTRINSICS], [{
|
|
AC_MSG_CHECKING(whether compiler supports __atomic_Xxx intrinsics)
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
/* atomic intrinsics test */
|
|
int v = 0;
|
|
int main (int, char **)
|
|
{
|
|
int t = __atomic_add_fetch (&v, 1, __ATOMIC_ACQ_REL);
|
|
return t;
|
|
}
|
|
])],
|
|
[AC_MSG_RESULT(yes) ; libzmq_cv_has_atomic_instrisics="yes" ; $1],
|
|
[AC_MSG_RESULT(no) ; libzmq_cv_has_atomic_instrisics="no" ; $2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_SO_KEEPALIVE([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if SO_KEEPALIVE is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_SO_KEEPALIVE], [{
|
|
AC_CACHE_CHECK([whether SO_KEEPALIVE is supported], [libzmq_cv_so_keepalive],
|
|
[AC_TRY_RUN([/* SO_KEEPALIVE test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s, rc, opt = 1;
|
|
return (
|
|
((s = socket (PF_INET, SOCK_STREAM, 0)) == -1) ||
|
|
((rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt, sizeof (int))) == -1)
|
|
);
|
|
}
|
|
],
|
|
[libzmq_cv_so_keepalive="yes"],
|
|
[libzmq_cv_so_keepalive="no"],
|
|
[libzmq_cv_so_keepalive="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_so_keepalive" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_TCP_KEEPCNT([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if TCP_KEEPCNT is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_TCP_KEEPCNT], [{
|
|
AC_CACHE_CHECK([whether TCP_KEEPCNT is supported], [libzmq_cv_tcp_keepcnt],
|
|
[AC_TRY_RUN([/* TCP_KEEPCNT test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s, rc, opt = 1;
|
|
return (
|
|
((s = socket (PF_INET, SOCK_STREAM, 0)) == -1) ||
|
|
((rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt, sizeof (int))) == -1) ||
|
|
((rc = setsockopt (s, IPPROTO_TCP, TCP_KEEPCNT, (char*) &opt, sizeof (int))) == -1)
|
|
);
|
|
}
|
|
],
|
|
[libzmq_cv_tcp_keepcnt="yes"],
|
|
[libzmq_cv_tcp_keepcnt="no"],
|
|
[libzmq_cv_tcp_keepcnt="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_tcp_keepcnt" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_TCP_KEEPIDLE([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if TCP_KEEPIDLE is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_TCP_KEEPIDLE], [{
|
|
AC_CACHE_CHECK([whether TCP_KEEPIDLE is supported], [libzmq_cv_tcp_keepidle],
|
|
[AC_TRY_RUN([/* TCP_KEEPIDLE test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s, rc, opt = 1;
|
|
return (
|
|
((s = socket (PF_INET, SOCK_STREAM, 0)) == -1) ||
|
|
((rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt, sizeof (int))) == -1) ||
|
|
((rc = setsockopt (s, IPPROTO_TCP, TCP_KEEPIDLE, (char*) &opt, sizeof (int))) == -1)
|
|
);
|
|
}
|
|
],
|
|
[libzmq_cv_tcp_keepidle="yes"],
|
|
[libzmq_cv_tcp_keepidle="no"],
|
|
[libzmq_cv_tcp_keepidle="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_tcp_keepidle" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_TCP_KEEPINTVL([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if TCP_KEEPINTVL is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_TCP_KEEPINTVL], [{
|
|
AC_CACHE_CHECK([whether TCP_KEEPINTVL is supported], [libzmq_cv_tcp_keepintvl],
|
|
[AC_TRY_RUN([/* TCP_KEEPINTVL test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s, rc, opt = 1;
|
|
return (
|
|
((s = socket (PF_INET, SOCK_STREAM, 0)) == -1) ||
|
|
((rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt, sizeof (int))) == -1) ||
|
|
((rc = setsockopt (s, IPPROTO_TCP, TCP_KEEPINTVL, (char*) &opt, sizeof (int))) == -1)
|
|
);
|
|
}
|
|
],
|
|
[libzmq_cv_tcp_keepintvl="yes"],
|
|
[libzmq_cv_tcp_keepintvl="no"],
|
|
[libzmq_cv_tcp_keepintvl="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_tcp_keepintvl" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_TCP_KEEPALIVE([action-if-found], [action-if-not-found]) #
|
|
dnl # Check if TCP_KEEPALIVE is supported #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_TCP_KEEPALIVE], [{
|
|
AC_CACHE_CHECK([whether TCP_KEEPALIVE is supported], [libzmq_cv_tcp_keepalive],
|
|
[AC_TRY_RUN([/* TCP_KEEPALIVE test */
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
int s, rc, opt = 1;
|
|
return (
|
|
((s = socket (PF_INET, SOCK_STREAM, 0)) == -1) ||
|
|
((rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt, sizeof (int))) == -1) ||
|
|
((rc = setsockopt (s, IPPROTO_TCP, TCP_KEEPALIVE, (char*) &opt, sizeof (int))) == -1)
|
|
);
|
|
}
|
|
],
|
|
[libzmq_cv_tcp_keepalive="yes"],
|
|
[libzmq_cv_tcp_keepalive="no"],
|
|
[libzmq_cv_tcp_keepalive="not during cross-compile"]
|
|
)]
|
|
)
|
|
AS_IF([test "x$libzmq_cv_tcp_keepalive" = "xyes"], [$1], [$2])
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_KQUEUE([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks kqueue polling system #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_KQUEUE], [{
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/types.h>
|
|
#include <sys/event.h>
|
|
#include <sys/time.h>
|
|
],[[
|
|
struct kevent t_kev;
|
|
kqueue();
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_EPOLL_RUN([action-if-found], [action-if-not-found]) #
|
|
dnl # LIBZMQ_CHECK_POLLER_EPOLL_CLOEXEC([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks epoll polling system can actually run #
|
|
dnl # For cross-compile, only requires that epoll can link #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_EPOLL], [{
|
|
AC_RUN_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/epoll.h>
|
|
],[[
|
|
struct epoll_event t_ev;
|
|
int r;
|
|
r = epoll_create(10);
|
|
return(r < 0);
|
|
]])],
|
|
[$1],[$2],[
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/epoll.h>
|
|
],[[
|
|
struct epoll_event t_ev;
|
|
epoll_create(10);
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
]
|
|
)
|
|
}])
|
|
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_EPOLL_CLOEXEC], [{
|
|
AC_RUN_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/epoll.h>
|
|
],[[
|
|
struct epoll_event t_ev;
|
|
int r;
|
|
r = epoll_create1(EPOLL_CLOEXEC);
|
|
return(r < 0);
|
|
]])],
|
|
[$1],[$2],[
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/epoll.h>
|
|
],[[
|
|
struct epoll_event t_ev;
|
|
epoll_create1(EPOLL_CLOEXEC);
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_DEVPOLL([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks devpoll polling system #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_DEVPOLL], [{
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/devpoll.h>
|
|
],[[
|
|
struct pollfd t_devpoll;
|
|
int fd = open("/dev/poll", O_RDWR);
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_POLLSET([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks pollset polling system #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_POLLSET], [{
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <sys/poll.h>
|
|
#include <sys/pollset.h>
|
|
],[[
|
|
pollset_t ps = pollset_create(-1);
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_POLL([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks poll polling system #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_POLL], [{
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#include <poll.h>
|
|
],[[
|
|
struct pollfd t_poll;
|
|
poll(&t_poll, 1, 1);
|
|
]])],
|
|
[$1], [$2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER_SELECT([action-if-found], [action-if-not-found]) #
|
|
dnl # Checks select polling system #
|
|
dnl ################################################################################
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER_SELECT], [{
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([
|
|
#ifdef ZMQ_HAVE_WINDOWS
|
|
#include "winsock2.h"
|
|
#elif defined ZMQ_HAVE_OPENVMS
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#else
|
|
#include <sys/select.h>
|
|
#endif
|
|
],[[
|
|
fd_set t_rfds;
|
|
struct timeval tv;
|
|
FD_ZERO(&t_rfds);
|
|
FD_SET(0, &t_rfds);
|
|
tv.tv_sec = 5;
|
|
tv.tv_usec = 0;
|
|
select(1, &t_rfds, 0, 0, &tv);
|
|
]])],
|
|
[$1],[$2]
|
|
)
|
|
}])
|
|
|
|
dnl ################################################################################
|
|
dnl # LIBZMQ_CHECK_POLLER([action-if-found], [action-if-not-found]) #
|
|
dnl # Choose polling system #
|
|
dnl ################################################################################
|
|
|
|
AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
|
|
# Allow user to override poller autodetection
|
|
AC_ARG_WITH([poller],
|
|
[AS_HELP_STRING([--with-poller],
|
|
[choose polling system manually. Valid values are 'kqueue', 'epoll', 'devpoll', 'pollset', 'poll', 'select', or 'auto'. [default=auto]])])
|
|
|
|
if test "x$with_poller" == "x"; then
|
|
pollers=auto
|
|
else
|
|
pollers=$with_poller
|
|
fi
|
|
if test "$pollers" == "auto"; then
|
|
# We search for pollers in this order
|
|
pollers="kqueue epoll devpoll pollset poll select"
|
|
fi
|
|
|
|
# try to find suitable polling system. the order of testing is:
|
|
AC_MSG_NOTICE([Choosing polling system from '$pollers'...])
|
|
poller_found=0
|
|
for poller in $pollers; do
|
|
case "$poller" in
|
|
kqueue)
|
|
LIBZMQ_CHECK_POLLER_KQUEUE([
|
|
AC_MSG_NOTICE([Using 'kqueue' polling system])
|
|
AC_DEFINE(ZMQ_USE_KQUEUE, 1, [Use 'kqueue' polling system])
|
|
poller_found=1
|
|
])
|
|
;;
|
|
epoll)
|
|
case "$host_os" in
|
|
solaris*|sunos*)
|
|
# Recent illumos and Solaris systems did add epoll()
|
|
# syntax, but it does not fully satisfy expectations
|
|
# that ZMQ has from Linux systems. Unless you undertake
|
|
# to fix the integration, do not disable this exception
|
|
# and use select() or poll() on Solarish OSes for now.
|
|
AC_MSG_NOTICE([NOT using 'epoll' polling system on '$host_os']) ;;
|
|
*)
|
|
LIBZMQ_CHECK_POLLER_EPOLL_CLOEXEC([
|
|
AC_MSG_NOTICE([Using 'epoll' polling system with CLOEXEC])
|
|
AC_DEFINE(ZMQ_USE_EPOLL, 1, [Use 'epoll' polling system])
|
|
AC_DEFINE(ZMQ_USE_EPOLL_CLOEXEC, 1, [Use 'epoll' polling system with CLOEXEC])
|
|
poller_found=1
|
|
],[
|
|
LIBZMQ_CHECK_POLLER_EPOLL([
|
|
AC_MSG_NOTICE([Using 'epoll' polling system with CLOEXEC])
|
|
AC_DEFINE(ZMQ_USE_EPOLL, 1, [Use 'epoll' polling system])
|
|
poller_found=1
|
|
])
|
|
])
|
|
;;
|
|
esac
|
|
;;
|
|
devpoll)
|
|
LIBZMQ_CHECK_POLLER_DEVPOLL([
|
|
AC_MSG_NOTICE([Using 'devpoll' polling system])
|
|
AC_DEFINE(ZMQ_USE_DEVPOLL, 1, [Use 'devpoll' polling system])
|
|
poller_found=1
|
|
])
|
|
;;
|
|
pollset)
|
|
LIBZMQ_CHECK_POLLER_POLLSET([
|
|
AC_MSG_NOTICE([Using 'pollset' polling system])
|
|
AC_DEFINE(ZMQ_USE_POLLSET, 1, [Use 'pollset' polling system])
|
|
poller_found=1
|
|
])
|
|
;;
|
|
poll)
|
|
LIBZMQ_CHECK_POLLER_POLL([
|
|
AC_MSG_NOTICE([Using 'poll' polling system])
|
|
AC_DEFINE(ZMQ_USE_POLL, 1, [Use 'poll' polling system])
|
|
poller_found=1
|
|
])
|
|
;;
|
|
select)
|
|
LIBZMQ_CHECK_POLLER_SELECT([
|
|
AC_MSG_NOTICE([Using 'select' polling system])
|
|
AC_DEFINE(ZMQ_USE_SELECT, 1, [Use 'select' polling system])
|
|
poller_found=1
|
|
])
|
|
;;
|
|
esac
|
|
test $poller_found -eq 1 && break
|
|
done
|
|
if test $poller_found -eq 0; then
|
|
AC_MSG_ERROR([None of '$pollers' are valid pollers on this platform])
|
|
fi
|
|
}])
|