diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..8061d6a --- /dev/null +++ b/configure.ac @@ -0,0 +1,417 @@ +# -*- 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 libxszmq +# +# This must be set to the ABI version of libzmq we are emulating. +# This is currently libzmq 2.1 which is ABI 1.0.0. +# +# libxszmq -version-info current:revision:age +LIBXSZMQ_ABI_VERSION="1:0:0" +AC_SUBST(LIBXSZMQ_ABI_VERSION) + +# Take a copy of original flags +XS_ORIG_CFLAGS="${CFLAGS:-none}" +XS_ORIG_CPPFLAGS="${CPPFLAGS:-none}" +XS_ORIG_CXXFLAGS="${CXXFLAGS:-none}" + +# Checks for programs. +AC_PROG_CC +AC_PROG_CC_C99 +AC_PROG_CXX +AM_PROG_CC_C_O +AC_PROG_SED +AC_PROG_AWK + +# Libtool configuration for different targets. See acinclude.m4 +AC_ARG_VAR([XMLTO], [Path to xmlto command]) +AC_PATH_PROG([XMLTO], [xmlto]) +AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command]) +AC_PATH_PROG([ASCIIDOC], [asciidoc]) +LIBXS_CONFIG_LIBTOOL +AC_LIBTOOL_WIN32_DLL +AC_PROG_LIBTOOL + +# Check whether to build a with debug symbols +LIBXS_CHECK_ENABLE_DEBUG + +# Check wheter to enable code coverage +LIBXS_WITH_GCOV + +# Checks for libraries. +AC_CHECK_LIB([pthread], [pthread_create]) +AC_CHECK_LIB([rt], [clock_gettime]) + +# Set pedantic +libxs_pedantic="yes" + +# By default compiling with -Werror except OSX. +libxs_werror="yes" + +# By default use DSO visibility +libxs_dso_visibility="yes" + +# Whether we are on mingw or not. +libxs_on_mingw32="no" + +# Set some default features required by Crossroads code. +CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS" + +# For host type checks +AC_CANONICAL_HOST + +# OS-specific tests +case "${host_os}" in + *linux*) + # Define on Linux to enable all library features. Define if using a gnu compiler + if test "x$GXX" = "xyes"; then + CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" + fi + AC_DEFINE(XS_HAVE_LINUX, 1, [Have Linux OS]) + + case "${host_os}" in + *android*) + AC_DEFINE(XS_HAVE_ANDROID, 1, [Have Android OS]) + ;; + esac + ;; + *solaris*) + # Define on Solaris to enable all library features + CPPFLAGS="-D_PTHREADS $CPPFLAGS" + AC_DEFINE(XS_HAVE_SOLARIS, 1, [Have Solaris OS]) + AC_CHECK_LIB(socket, socket) + AC_CHECK_LIB(nsl, gethostbyname) + AC_MSG_CHECKING([whether atomic operations can be used]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[#include <atomic.h>]], + [[uint32_t value; + atomic_cas_32 (&value, 0, 0); + return 0;]])], + [solaris_has_atomic=yes], + [solaris_has_atomic=no]) + AC_MSG_RESULT([$solaris_has_atomic]) + # Solaris 8 does not have atomic operations exported to user space. + if test "x$solaris_has_atomic" = "xno"; then + AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes]) + fi + ;; + *freebsd*) + # Define on FreeBSD to enable all library features + CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS" + AC_DEFINE(XS_HAVE_FREEBSD, 1, [Have FreeBSD OS]) + ;; + *darwin*) + # Define on Darwin to enable all library features + CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS" + libxs_pedantic="no" + libxs_werror="no" + AC_DEFINE(XS_HAVE_OSX, 1, [Have DarwinOSX OS]) + AC_LANG_PUSH([C++]) + LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized]) + AC_LANG_POP([C++]) + ;; + *netbsd*) + # Define on NetBSD to enable all library features + CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS" + AC_DEFINE(XS_HAVE_NETBSD, 1, [Have NetBSD OS]) + # NetBSD 5.0 and newer provides atomic operations but we can + # only use these on systems where PR #42842 has been fixed so + # we must try and link a test program using C++. + libxs_netbsd_has_atomic=no + AC_MSG_CHECKING([whether atomic operations can be used]) + AC_LANG_PUSH([C++]) + AC_LINK_IFELSE([AC_LANG_PROGRAM( + [[#include <atomic.h>]], + [[uint32_t value; + atomic_cas_32 (&value, 0, 0); + return 0;]])], + [libxs_netbsd_has_atomic=yes], + [libxs_netbsd_has_atomic=no]) + AC_LANG_POP([C++]) + AC_MSG_RESULT([$libxs_netbsd_has_atomic]) + if test "x$libxs_netbsd_has_atomic" = "xno"; then + AC_DEFINE(XS_FORCE_MUTEXES, 1, [Force to use mutexes]) + fi + ;; + *openbsd*) + # Define on OpenBSD to enable all library features + CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS" + AC_DEFINE(XS_HAVE_OPENBSD, 1, [Have OpenBSD OS]) + ;; + *nto-qnx*) + libxs_pedantic="no" + AC_DEFINE(XS_HAVE_QNXNTO, 1, [Have QNX Neutrino OS]) + AC_CHECK_LIB(socket, socket) + ;; + *aix*) + AC_DEFINE(XS_HAVE_AIX, 1, [Have AIX OS]) + ;; + *hpux*) + # Define on HP-UX to enable all library features + CPPFLAGS="-D_POSIX_C_SOURCE=200112L $CPPFLAGS" + AC_DEFINE(XS_HAVE_HPUX, 1, [Have HPUX OS]) + LIBXS_CHECK_LANG_FLAG_PREPEND([-Ae]) + AC_CHECK_FUNCS(gethrtime) + ;; + *mingw32*) + AC_DEFINE(XS_HAVE_WINDOWS, 1, [Have Windows OS]) + AC_DEFINE(XS_HAVE_MINGW32, 1, [Have MinGW32]) + AC_CHECK_HEADERS(windows.h) + AC_CHECK_LIB(ws2_32, main, , + [AC_MSG_ERROR([cannot link with ws2_32.dll.])]) + AC_CHECK_LIB(rpcrt4, main, , + [AC_MSG_ERROR([cannot link with rpcrt4.dll.])]) + AC_CHECK_LIB(iphlpapi, main, , + [AC_MSG_ERROR([cannot link with iphlpapi.dll.])]) + # mingw32 defines __int64_t as long long + AC_LANG_PUSH([C++]) + LIBXS_CHECK_LANG_FLAG_PREPEND([-Wno-long-long]) + AC_LANG_POP([C++]) + libxs_on_mingw32="yes" + libxs_dso_visibility="no" + + if test "x$enable_static" = "xyes"; then + AC_MSG_ERROR([Building static libraries is not supported under MinGW32]) + fi + ;; + *cygwin*) + # Define on Cygwin to enable all library features + CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" + AC_DEFINE(XS_HAVE_CYGWIN, 1, [Have Cygwin]) + if test "x$enable_static" = "xyes"; then + AC_MSG_ERROR([Building static libraries is not supported under Cygwin]) + fi + ;; + *) + AC_MSG_ERROR([unsupported system: ${host_os}.]) + ;; +esac + +# +# Check if the compiler supports -fvisibility=hidden flag. MinGW32 uses __declspec +# +if test "x$libxs_dso_visibility" = "xyes"; then + AC_LANG_PUSH([C++]) + LIBXS_CHECK_LANG_VISIBILITY([LIBXS_EXTRA_CXXFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag ${LIBXS_EXTRA_CXXFLAGS}"]) + AC_LANG_POP([C++]) +fi + +# CPU-specific optimizations +case "${host_cpu}" in + *sparc*) + AC_LANG_PUSH([C++]) + LIBXS_CHECK_LANG_FLAG_PREPEND([-mcpu=v9]) + AC_LANG_POP([C++]) + ;; + *) + ;; +esac + +# Check whether to build docs / install man pages +LIBXS_CHECK_DOC_BUILD + +# Check polling system +LIBXS_CHECK_POLLER([CPPFLAGS="${CPPFLAGS} -D${libxs_cv_poller_flag}"], + [AC_MSG_ERROR([Unable to continue without polling system])]) + +# Checks for header files. +AC_HEADER_STDC +AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \ +stdlib.h string.h sys/socket.h sys/time.h time.h unistd.h limits.h) + +# Check if we have ifaddrs.h header file. +AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(XS_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])]) + +# Force not to use eventfd +AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=no]])], + [xs_disable_eventfd=yes], [xs_disable_eventfd=no]) + +if test "x$xs_disable_eventfd" != "xyes"; then + # Check if we have eventfd.h header file. + AC_CHECK_HEADERS(sys/eventfd.h, [AC_DEFINE(XS_HAVE_EVENTFD, 1, [Have eventfd extension.])]) +fi + +# Use c++ in subsequent tests +AC_LANG_PUSH(C++) + +AC_HEADER_STDBOOL +AC_C_CONST +AC_C_INLINE +# Checks for typedefs, structures, and compiler characteristics. +if test "x$libxs_cv_[]_AC_LANG_ABBREV[]_intel_compiler" = "xyes"; then + dnl 279: controlling expression is constant + dnl Fixes build with ICC 12.x + LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SIZE_T]) + LIBXS_CHECK_WITH_FLAG([-wd279], [AC_TYPE_SSIZE_T]) +else + AC_TYPE_SIZE_T + AC_TYPE_SSIZE_T +fi +AC_HEADER_TIME +AC_TYPE_UINT32_T +AC_C_VOLATILE + +# libzmq compatibility mode +libxs_libzmq_compat="no" +AC_ARG_ENABLE([libzmq-compat], [AS_HELP_STRING([--enable-libzmq-compat], + [install libzmq compatibility library and headers [default=no]])], + [enable_libzmq_compat=$enableval], [enable_libzmq_compat=no]) + +if test "x$enable_libzmq_compat" != "xno"; then + AC_MSG_NOTICE([enabling libzmq compatibility library and headers]) + libxs_libzmq_compat="yes" +fi + +# PGM extension +libxs_pgm_ext="no" + +pgm_basename="libpgm-5.1.118~dfsg" + +AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], + [build libxs with PGM extension [default=no]])], + [with_pgm_ext=$withval], [with_pgm_ext=no]) + +# build using system pgm +AC_ARG_WITH([system-pgm], [AS_HELP_STRING([--with-system-pgm], + [build libxs with PGM extension. Requires pkg-config [default=no]])], + [with_system_pgm_ext=yes], [with_system_pgm_ext=no]) + +if test "x$with_pgm_ext" != "xno" -a "x$with_system_pgm_ext" != "xno"; then + AC_MSG_ERROR([--with-pgm and --with-system-pgm cannot be specified together]) +fi + +if test "x$with_pgm_ext" != "xno"; then + + # This allows placing the tar.gz to foreign/openpgm + # and using ./configure --with-pgm=libpgm-x.y.z + if test "x$with_pgm_ext" != "xyes"; then + pgm_basename="$with_pgm_ext" + fi + + # Unpack libpgm + AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.gz]) + libxs_pwd=`pwd` + cd foreign/openpgm + + if ! (gzip -dc "${pgm_basename}.tar.gz" || echo "failed") | ${am__untar}; then + AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.gz file]) + fi + + cd "${libxs_pwd}" + + if test -d foreign/openpgm/build-staging; then + rm -rf foreign/openpgm/build-staging + fi + + mv foreign/openpgm/${pgm_basename} foreign/openpgm/build-staging + pgm_srcdir=foreign/openpgm/build-staging/openpgm/pgm + + if ! test -d foreign/openpgm/build-staging/openpgm/pgm/config; then + mkdir foreign/openpgm/build-staging/openpgm/pgm/config + fi + + # DSO symbol visibility for openpgm + AC_LANG_PUSH([C]) + LIBXS_CHECK_LANG_VISIBILITY([ac_configure_args="CFLAGS='$libxs_cv_[]_AC_LANG_ABBREV[]_visibility_flag' ${ac_configure_args}"]) + AC_LANG_POP([C]) + + pgm_subdir=build-staging/openpgm/pgm + AC_SUBST(pgm_subdir) + + AC_SUBST(pgm_srcdir) + AC_CONFIG_SUBDIRS([foreign/openpgm/build-staging/openpgm/pgm/]) + + # Success! + AC_DEFINE(XS_HAVE_OPENPGM, 1, [Have OpenPGM extension]) + libxs_pgm_ext="yes" +fi + +# Build with system openpgm +if test "x$with_system_pgm_ext" != "xno"; then + m4_ifdef([PKG_CHECK_MODULES], [ + PKG_CHECK_MODULES([OpenPGM], [openpgm-5.1 >= 5.1]) + AC_DEFINE(XS_HAVE_OPENPGM, 1, [Have OpenPGM extension]) + LIBXS_EXTRA_CXXFLAGS="$OpenPGM_CFLAGS $LIBXS_EXTRA_CXXFLAGS" + LIBS="$OpenPGM_LIBS $LIBS" + ], + [AC_MSG_ERROR([--with-system-pgm requires a working pkg-config installation])]) +fi + +AC_SUBST(pgm_basename) + +# Set -Wall, -Werror and -pedantic +AC_LANG_PUSH([C++]) + +# Check how to enable -Wall +LIBXS_LANG_WALL([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"]) + +if test "x$libxs_werror" = "xyes" -a "x$libxs_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" != "xyes"; then + LIBXS_LANG_WERROR([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_werror_flag $CPPFLAGS"]) +fi + +if test "x$libxs_pedantic" = "xyes"; then + LIBXS_LANG_STRICT([CPPFLAGS="$libxs_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"]) +fi +AC_LANG_POP([C++]) + +AM_CONDITIONAL(BUILD_LIBZMQ, test "x$libxs_libzmq_compat" = "xyes") +AM_CONDITIONAL(BUILD_PGM, test "x$libxs_pgm_ext" = "xyes") +AM_CONDITIONAL(ON_MINGW, test "x$libxs_on_mingw32" = "xyes") + +# Checks for library functions. +AC_TYPE_SIGNAL +AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs) +AC_CHECK_HEADERS([alloca.h]) +LIBXS_CHECK_SOCK_CLOEXEC([AC_DEFINE( + [XS_HAVE_SOCK_CLOEXEC], + [1], + [Whether SOCK_CLOEXEC is defined and functioning.]) + ]) + +# Subst LIBXS_EXTRA_CFLAGS & CXXFLAGS & LDFLAGS +AC_SUBST(LIBXS_EXTRA_CFLAGS) +AC_SUBST(LIBXS_EXTRA_CXXFLAGS) +AC_SUBST(LIBXS_EXTRA_LDFLAGS) + +AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile + perf/Makefile src/libxs.pc src/libxszmq.pc \ + builds/msvc/Makefile tests/Makefile \ + foreign/openpgm/Makefile]) +if test "x$libxs_libzmq_compat" == "xyes"; then + AC_CONFIG_FILES([src/libzmq.pc]) +fi +AC_OUTPUT + +if test "x$libxs_libzmq_compat" == "xyes"; then + AC_MSG_WARN([The --enable-libzmq-compat option was specified:]) + AC_MSG_WARN([libzmq compatibility library and headers are enabled.]) + AC_MSG_WARN([This will overwrite any existing installation of libzmq.]) +fi + |