# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ(2.61) # # The Crossroads version number is extracted from include/xs.h using # the version.sh script. Hence, it should be updated there. # The version in git should reflect the *next* version planned. # AC_INIT([libxs],[m4_esyscmd([./version.sh])],[crossroads-dev@groups.crossroads.io]) AC_CONFIG_AUX_DIR(config) AC_CONFIG_MACRO_DIR(config) AM_CONFIG_HEADER(src/platform.hpp) AM_INIT_AUTOMAKE(tar-ustar dist-zip foreign) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) # This lets us use PACKAGE_VERSION in Makefiles AC_SUBST(PACKAGE_VERSION) # ABI version for libxs (Libtool -version-info) # # Don't change this unless you know exactly what you're doing and have read and # understand: # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html # This is currently set at ABI 1.0.0. # # libxs -version-info current:revision:age LIBXS_ABI_VERSION="1:0:0" AC_SUBST(LIBXS_ABI_VERSION) # ABI version for XS libzmq compatibility library # # This must be set to the ABI version of libzmq we are emulating. # This is currently libzmq 2.1 which is ABI 1.0.0. # # libzmq -version-info current:revision:age LIBZMQ_ABI_VERSION="1:0:0" AC_SUBST(LIBZMQ_ABI_VERSION) # Take a copy of original flags XS_ORIG_CFLAGS="${CFLAGS:-none}" XS_ORIG_CPPFLAGS="${CPPFLAGS:-none}" XS_ORIG_CXXFLAGS="${CXXFLAGS:-none}" # Checks for programs. AC_PROG_CC AC_PROG_CC_C99 AC_PROG_CXX AM_PROG_CC_C_O AC_PROG_SED AC_PROG_AWK # Libtool configuration for different targets. See acinclude.m4 AC_ARG_VAR([XMLTO], [Path to xmlto command]) AC_PATH_PROG([XMLTO], [xmlto]) AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command]) AC_PATH_PROG([ASCIIDOC], [asciidoc]) LIBXS_CONFIG_LIBTOOL AC_LIBTOOL_WIN32_DLL AC_PROG_LIBTOOL # Check whether to build a with debug symbols LIBXS_CHECK_ENABLE_DEBUG # Check wheter to enable code coverage LIBXS_WITH_GCOV # Checks for libraries. AC_CHECK_LIB([pthread], [pthread_create]) AC_CHECK_LIB([rt], [clock_gettime]) # Set pedantic libxs_pedantic="yes" # By default compiling with -Werror except OSX. libxs_werror="yes" # By default use DSO visibility libxs_dso_visibility="yes" # Whether we are on mingw or not. libxs_on_mingw32="no" # Set some default features required by Crossroads code. CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS" # For host type checks AC_CANONICAL_HOST # OS-specific tests case "${host_os}" in *linux*) # Define on Linux to enable all library features. Define if using a gnu compiler if test "x$GXX" = "xyes"; then CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" fi AC_DEFINE(XS_HAVE_LINUX, 1, [Have Linux OS]) case "${host_os}" in *android*) AC_DEFINE(XS_HAVE_ANDROID, 1, [Have Android OS]) ;; esac ;; *solaris*) # Define on Solaris to enable all library features CPPFLAGS="-D_PTHREADS $CPPFLAGS" AC_DEFINE(XS_HAVE_SOLARIS, 1, [Have Solaris OS]) AC_CHECK_LIB(socket, socket) AC_CHECK_LIB(nsl, gethostbyname) AC_MSG_CHECKING([whether atomic operations can be used]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[#include ]], [[uint32_t value; atomic_cas_32 (&value, 0, 0); return 0;]])], [solaris_has_atomic=yes], [solaris_has_atomic=no]) AC_MSG_RESULT([$solaris_has_atomic]) # Solaris 8 does not have atomic operations exported to user space. if test "x$solaris_has_atomic" = "xno"; then AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes]) fi ;; *freebsd*) # Define on FreeBSD to enable all library features CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS" AC_DEFINE(XS_HAVE_FREEBSD, 1, [Have FreeBSD OS]) ;; *darwin*) # Define on Darwin to enable all library features CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS" libxs_pedantic="no" libxs_werror="no" AC_DEFINE(XS_HAVE_OSX, 1, [Have DarwinOSX OS]) AC_LANG_PUSH([C++]) LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized]) AC_LANG_POP([C++]) ;; *netbsd*) # Define on NetBSD to enable all library features CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS" AC_DEFINE(XS_HAVE_NETBSD, 1, [Have NetBSD OS]) # NetBSD 5.0 and newer provides atomic operations but we can # only use these on systems where PR #42842 has been fixed so # we must try and link a test program using C++. libxs_netbsd_has_atomic=no AC_MSG_CHECKING([whether atomic operations can be used]) AC_LANG_PUSH([C++]) AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include ]], [[uint32_t value; atomic_cas_32 (&value, 0, 0); return 0;]])], [libxs_netbsd_has_atomic=yes], [libxs_netbsd_has_atomic=no]) AC_LANG_POP([C++]) AC_MSG_RESULT([$libxs_netbsd_has_atomic]) if test "x$libxs_netbsd_has_atomic" = "xno"; then AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes]) fi ;; *openbsd*) # Define on OpenBSD to enable all library features CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS" AC_DEFINE(XS_HAVE_OPENBSD, 1, [Have OpenBSD OS]) ;; *nto-qnx*) libxs_pedantic="no" AC_DEFINE(XS_HAVE_QNXNTO, 1, [Have QNX Neutrino OS]) AC_CHECK_LIB(socket, socket) ;; *aix*) AC_DEFINE(XS_HAVE_AIX, 1, [Have AIX OS]) ;; *hpux*) # Define on HP-UX to enable all library features CPPFLAGS="-D_POSIX_C_SOURCE=200112L $CPPFLAGS" AC_DEFINE(XS_HAVE_HPUX, 1, [Have HPUX OS]) LIBXS_CHECK_LANG_FLAG_PREPEND([-Ae]) AC_CHECK_FUNCS(gethrtime) ;; *mingw32*) AC_DEFINE(XS_HAVE_WINDOWS, 1, [Have Windows OS]) AC_DEFINE(XS_HAVE_MINGW32, 1, [Have MinGW32]) AC_CHECK_HEADERS(windows.h) AC_CHECK_LIB(ws2_32, main, , [AC_MSG_ERROR([cannot link with ws2_32.dll.])]) AC_CHECK_LIB(rpcrt4, main, , [AC_MSG_ERROR([cannot link with rpcrt4.dll.])]) AC_CHECK_LIB(iphlpapi, main, , [AC_MSG_ERROR([cannot link with iphlpapi.dll.])]) # mingw32 defines __int64_t as long long AC_LANG_PUSH([C++]) LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-long-long]) AC_LANG_POP([C++]) libxs_on_mingw32="yes" libxs_dso_visibility="no" if test "x$enable_static" = "xyes"; then AC_MSG_ERROR([Building static libraries is not supported under MinGW32]) fi ;; *cygwin*) # Define on Cygwin to enable all library features CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" AC_DEFINE(XS_HAVE_CYGWIN, 1, [Have Cygwin]) if test "x$enable_static" = "xyes"; then AC_MSG_ERROR([Building static libraries is not supported under Cygwin]) fi ;; *) AC_MSG_ERROR([unsupported system: ${host_os}.]) ;; esac # # Check if the compiler supports -fvisibility=hidden flag. MinGW32 uses __declspec # if test "x$libxs_dso_visibility" = "xyes"; then AC_LANG_PUSH([C++]) LIBXS_CHECK_LANG_VISIBILITY([LIBXS_EXTRA_CXXFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag ${LIBXS_EXTRA_CXXFLAGS}"]) AC_LANG_POP([C++]) fi # CPU-specific optimizations case "${host_cpu}" in *sparc*) AC_LANG_PUSH([C++]) LIBXS_CHECK_LANG_FLAG_PREPEND([-mcpu=v9]) AC_LANG_POP([C++]) ;; *) ;; esac # Check whether to build docs / install man pages LIBXS_CHECK_DOC_BUILD # Check polling system LIBXS_CHECK_POLLER([CPPFLAGS="${CPPFLAGS} -D${libxs_cv_poller_flag}"], [AC_MSG_ERROR([Unable to continue without polling system])]) # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \ stdlib.h string.h sys/socket.h sys/time.h time.h unistd.h limits.h) # Check if we have ifaddrs.h header file. AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(XS_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])]) # Force not to use eventfd AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=no]])], [xs_disable_eventfd=yes], [xs_disable_eventfd=no]) if test "x$xs_disable_eventfd" != "xyes"; then # Check if we have eventfd.h header file. AC_CHECK_HEADERS(sys/eventfd.h, [AC_DEFINE(XS_HAVE_EVENTFD, 1, [Have eventfd extension.])]) fi # Use c++ in subsequent tests AC_LANG_PUSH(C++) AC_HEADER_STDBOOL AC_C_CONST AC_C_INLINE # Checks for typedefs, structures, and compiler characteristics. if test "x$libxs_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then dnl 279: controlling expression is constant dnl Fixes build with ICC 12.x LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SIZE_T]) LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SSIZE_T]) else AC_TYPE_SIZE_T AC_TYPE_SSIZE_T fi AC_HEADER_TIME AC_TYPE_UINT32_T AC_C_VOLATILE # libzmq compatibility mode libxs_libzmq="no" AC_ARG_ENABLE([libzmq], [AS_HELP_STRING([--enable-libzmq], [install libzmq compatibility library and headers [default=no]])], [enable_libzmq=$enableval], [enable_libzmq=no]) if test "x$enable_libzmq" != "xno"; then AC_MSG_NOTICE([enabling libzmq compatibility library and headers]) libxs_libzmq="yes" fi # PGM extension libxs_pgm_ext="no" pgm_basename="libpgm-5.1.118~dfsg" AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], [build libxs with PGM extension [default=no]])], [with_pgm_ext=$withval], [with_pgm_ext=no]) # build using system pgm AC_ARG_WITH([system-pgm], [AS_HELP_STRING([--with-system-pgm], [build libxs with PGM extension. Requires pkg-config [default=no]])], [with_system_pgm_ext=yes], [with_system_pgm_ext=no]) if test "x$with_pgm_ext" != "xno" -a "x$with_system_pgm_ext" != "xno"; then AC_MSG_ERROR([--with-pgm and --with-system-pgm cannot be specified together]) fi if test "x$with_pgm_ext" != "xno"; then # This allows placing the tar.gz to foreign/openpgm # and using ./configure --with-pgm=libpgm-x.y.z if test "x$with_pgm_ext" != "xyes"; then pgm_basename="$with_pgm_ext" fi # Unpack libpgm AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.gz]) libxs_pwd=`pwd` cd foreign/openpgm if ! (gzip -dc "${pgm_basename}.tar.gz" || echo "failed") | ${am__untar}; then AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.gz file]) fi cd "${libxs_pwd}" if test -d foreign/openpgm/build-staging; then rm -rf foreign/openpgm/build-staging fi mv foreign/openpgm/${pgm_basename} foreign/openpgm/build-staging pgm_srcdir=foreign/openpgm/build-staging/openpgm/pgm if ! test -d foreign/openpgm/build-staging/openpgm/pgm/config; then mkdir foreign/openpgm/build-staging/openpgm/pgm/config fi # DSO symbol visibility for openpgm AC_LANG_PUSH([C]) LIBXS_CHECK_LANG_VISIBILITY([ac_configure_args="CFLAGS='$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag' ${ac_configure_args}"]) AC_LANG_POP([C]) pgm_subdir=build-staging/openpgm/pgm AC_SUBST(pgm_subdir) AC_SUBST(pgm_srcdir) AC_CONFIG_SUBDIRS([foreign/openpgm/build-staging/openpgm/pgm/]) # Success! AC_DEFINE(XS_HAVE_OPENPGM, 1, [Have OpenPGM extension]) libxs_pgm_ext="yes" fi # Build with system openpgm if test "x$with_system_pgm_ext" != "xno"; then m4_ifdef([PKG_CHECK_MODULES], [ PKG_CHECK_MODULES([OpenPGM], [openpgm-5.1 >= 5.1]) AC_DEFINE(XS_HAVE_OPENPGM, 1, [Have OpenPGM extension]) LIBXS_EXTRA_CXXFLAGS="$OpenPGM_CFLAGS $LIBXS_EXTRA_CXXFLAGS" LIBS="$OpenPGM_LIBS $LIBS" ], [AC_MSG_ERROR([--with-system-pgm requires a working pkg-config installation])]) fi AC_SUBST(pgm_basename) # Set -Wall, -Werror and -pedantic AC_LANG_PUSH([C++]) # Check how to enable -Wall LIBXS_LANG_WALL([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"]) if test "x$libxs_werror" = "xyes" -a "x$libxs_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" != "xyes"; then LIBXS_LANG_WERROR([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_werror_flag $CPPFLAGS"]) fi if test "x$libxs_pedantic" = "xyes"; then LIBXS_LANG_STRICT([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"]) fi AC_LANG_POP([C++]) AM_CONDITIONAL(BUILD_LIBZMQ, test "x$libxs_libzmq" = "xyes") AM_CONDITIONAL(BUILD_PGM, test "x$libxs_pgm_ext" = "xyes") AM_CONDITIONAL(ON_MINGW, test "x$libxs_on_mingw32" = "xyes") # Checks for library functions. AC_TYPE_SIGNAL AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs) AC_CHECK_HEADERS([alloca.h]) LIBXS_CHECK_SOCK_CLOEXEC([AC_DEFINE( [XS_HAVE_SOCK_CLOEXEC], [1], [Whether SOCK_CLOEXEC is defined and functioning.]) ]) # Subst LIBXS_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS AC_SUBST(LIBXS_EXTRA_CFLAGS) AC_SUBST(LIBXS_EXTRA_CXXFLAGS) AC_SUBST(LIBXS_EXTRA_LDFLAGS) AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile perf/Makefile src/libxs.pc \ builds/msvc/Makefile tests/Makefile \ foreign/openpgm/Makefile]) if test "x$libxs_libzmq" == "xyes"; then AC_CONFIG_FILES([src/libzmq.pc]) fi AC_OUTPUT # Print configuration cat <