configure.ac

################################################################################
#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
#  Please refer to the README for information about making permanent changes.  #
################################################################################

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
#
# The version number is extracted from include/drops.h using
# the version.sh script. Hence, it should be updated there.
# The version in git should reflect the *next* version planned.
#
AC_INIT([drops],[m4_esyscmd([./version.sh drops])],[zeromq-dev@lists.zeromq.org])

AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR(config)
AC_CONFIG_HEADERS([src/platform.h])
AM_INIT_AUTOMAKE([subdir-objects tar-ustar foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

# This defines PACKAGE_VERSION_... in src/platform.h
PV_MAJOR=`echo $PACKAGE_VERSION | cut -d . -f 1`
PV_MINOR=`echo $PACKAGE_VERSION | cut -d . -f 2`
PV_PATCH=`echo $PACKAGE_VERSION | cut -d . -f 3`
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR],[$PV_MAJOR],
    [DROPS major version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR],[$PV_MINOR],
    [DROPS minor version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCH],[$PV_PATCH],
    [DROPS patchlevel])
# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST(PACKAGE_VERSION)

#
# Libtool -version-info (ABI version)
#
# Currently 2.0.1 ("stable"). 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
#
# libdrops -version-info
LTVER="2:0:1"
AC_SUBST(LTVER)

# Capture c flags
DROPS_ORIG_CFLAGS="${CFLAGS:-none}"

# Checks for programs
AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AC_PROG_SED
AC_PROG_AWK
PKG_PROG_PKG_CONFIG

# Code coverage
AC_ARG_WITH(gcov, [AS_HELP_STRING([--with-gcov=yes/no],
                  [With GCC Code Coverage reporting.])],
                  [DROPS_GCOV="$withval"])

if test "x${DROPS_GCOV}" == "xyes"; then
    CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"

    if test "x${DROPS_ORIG_CFLAGS}" != "xnone"; then
        CFLAGS="${CFLAGS} ${DROPS_ORIG_CFLAGS}"
    fi
fi

PREVIOUS_CFLAGS="${CFLAGS}"
PREVIOUS_LIBS="${LIBS}"


was_zmq_check_lib_detected=no

PKG_CHECK_MODULES([zmq], [libzmq >= 2.2.0],,
    [AC_MSG_ERROR([Cannot find required package for libzmq. Note, pkg-config is required due to specified version >= 2.2.0])
  ])

if test "x$was_zmq_check_lib_detected" = "xno"; then
    CFLAGS="${zmq_CFLAGS} ${CFLAGS}"
    LIBS="${zmq_LIBS} ${LIBS}"
fi


was_czmq_check_lib_detected=no

PKG_CHECK_MODULES([czmq], [libczmq >= 3.0.0],,
    [AC_MSG_ERROR([Cannot find required package for libczmq. Note, pkg-config is required due to specified version >= 3.0.0])
  ])

if test "x$was_czmq_check_lib_detected" = "xno"; then
    CFLAGS="${czmq_CFLAGS} ${CFLAGS}"
    LIBS="${czmq_LIBS} ${LIBS}"
fi


was_zyre_check_lib_detected=no

PKG_CHECK_MODULES([zyre], [libzyre],,
    [
        AC_ARG_WITH([libzyre],
            [
                AS_HELP_STRING([--with-libzyre],
                [Specify libzyre prefix])
            ],
            [search_libzyre="yes"],
            [])

        zyre_synthetic_cflags=""
        zyre_synthetic_libs="-lzyre"

        if test "x$search_libzyre" = "xyes"; then
            if test -r "${with_libzyre}/include/zyre.h"; then
                zyre_synthetic_cflags="-I${with_libzyre}/include"
                zyre_synthetic_libs="-L${with_libzyre}/lib -lzyre"
            else
                AC_MSG_ERROR([${with_libzyre}/include/zyre.h not found. Please check libzyre prefix])
            fi
        fi

        CFLAGS="${zyre_synthetic_cflags} ${CFLAGS}"
        LDFLAGS="${zyre_synthetic_libs} ${LDFLAGS}"
        LIBS="${zyre_synthetic_libs} ${LIBS}"

        AC_CHECK_LIB([zyre], [zyre_test],
            [
                AC_SUBST([zyre_CFLAGS],[${zyre_synthetic_cflags}])
                AC_SUBST([zyre_LIBS],[${zyre_synthetic_libs}])
                was_zyre_check_lib_detected=yes
            ],
            [AC_MSG_ERROR([cannot link with -lzyre, install libzyre.])])
    ])

if test "x$was_zyre_check_lib_detected" = "xno"; then
    CFLAGS="${zyre_CFLAGS} ${CFLAGS}"
    LIBS="${zyre_LIBS} ${LIBS}"
fi


CFLAGS="${PREVIOUS_CFLAGS}"
LIBS="${PREVIOUS_LIBS}"

# Platform specific checks
drops_on_mingw32="no"
drops_on_android="no"

# Host specific checks
AC_CANONICAL_HOST

# Determine whether or not documentation should be built and installed.
drops_build_doc="yes"
drops_install_man="yes"

# Check for asciidoc and xmlto and don't build the docs if these are not installed.
AC_CHECK_PROG(drops_have_asciidoc, asciidoc, yes, no)
AC_CHECK_PROG(drops_have_xmlto, xmlto, yes, no)
if test "x$drops_have_asciidoc" = "xno" -o "x$drops_have_xmlto" = "xno"; then
    drops_build_doc="no"
    # Tarballs built with 'make dist' ship with prebuilt documentation.
    if ! test -f doc/drops.7; then
        drops_install_man="no"
        AC_MSG_WARN([You are building an unreleased version of DROPS and asciidoc or xmlto are not installed.])
        AC_MSG_WARN([Documentation will not be built and manual pages will not be installed.])
    fi
fi
AC_MSG_CHECKING([whether to build documentation])
AC_MSG_RESULT([$drops_build_doc])
AC_MSG_CHECKING([whether to install manpages])
AC_MSG_RESULT([$drops_install_man])

# Set some default features required by libdrops code.
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"

# OS-specific tests
case "${host_os}" in
    *linux*)
        # Define on Linux to enable all library features
        CPPFLAGS="-D_GNU_SOURCE -DLINUX $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_LINUX, 1, [Have Linux OS])
        
        case "${host_os}" in
            *android*)
                AC_DEFINE(DROPS_HAVE_ANDROID, 1, [Have Android OS])
                drops_on_android="yes"
            ;;
        esac
        ;;
    *solaris*)
        # Define on Solaris to enable all library features
        CPPFLAGS="-D_PTHREADS $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_SOLARIS, 1, [Have Solaris OS])
        CFLAGS="${CFLAGS} -lsocket -lssp"
        ;;
    *freebsd*)
        # Define on FreeBSD to enable all library features
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_FREEBSD, 1, [Have FreeBSD OS])
        ;;
    *darwin*)
        # Define on Darwin to enable all library features
        CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_OSX, 1, [Have DarwinOSX OS])
        ;;
    *netbsd*)
        # Define on NetBSD to enable all library features
        CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_NETBSD, 1, [Have NetBSD OS])
        ;;
    *openbsd*)
        # Define on OpenBSD to enable all library features
        CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_OPENBSD, 1, [Have OpenBSD OS])
        ;;
    *nto-qnx*)
        AC_DEFINE(DROPS_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
        ;;
    *aix*)
        AC_DEFINE(DROPS_HAVE_AIX, 1, [Have AIX OS])
        ;;
    *hpux*)
        # Define on HP-UX to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L"
        AC_DEFINE(DROPS_HAVE_HPUX, 1, [Have HPUX OS])
        ;;
    *mingw32*)
        AC_DEFINE(DROPS_HAVE_WINDOWS, 1, [Have Windows OS])
        AC_DEFINE(DROPS_HAVE_MINGW32, 1, [Have MinGW32])
        AC_CHECK_HEADERS(windows.h)
        drops_on_mingw32="yes"
        drops_install_man="no"
        ;;
    *cygwin*)
        # Define on Cygwin to enable all library features
        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        AC_DEFINE(DROPS_HAVE_CYGWIN, 1, [Have Cygwin])
        ;;
    *)
        AC_MSG_ERROR([unsupported system: ${host_os}.])
        ;;
esac

# 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 unistd.h \
                 limits.h ifaddrs.h)
AC_CHECK_HEADERS([net/if.h net/if_media.h linux/wireless.h], [], [],
[
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include <stdint.h>
])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_HEADER_TIME
AC_TYPE_UINT32_T
AC_C_VOLATILE

# These options are GNU compiler specific.
if test "x$GCC" = "xyes"; then
    CPPFLAGS="-pedantic -Werror -Wall -Wc++-compat ${CPPFLAGS}"
fi

AM_CONDITIONAL(ON_MINGW, test "x$drops_on_mingw32" = "xyes")
AM_CONDITIONAL(ON_ANDROID, test "x$drops_on_android" = "xyes")
AM_CONDITIONAL(INSTALL_MAN, test "x$drops_install_man" = "xyes")
AM_CONDITIONAL(BUILD_DOC, test "x$drops_build_doc" = "xyes")
AM_CONDITIONAL([ENABLE_LABS], [test "x$enable_labs" = "xyes"])

# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday memset getifaddrs)

# Set pkgconfigdir
AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
    [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
    [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
AC_SUBST([pkgconfigdir])

# Specify output files
AC_CONFIG_FILES([Makefile doc/Makefile src/libdrops.pc])
AC_OUTPUT

################################################################################
#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
#  Please refer to the README for information about making permanent changes.  #
################################################################################