configure.ac

AC_PREREQ(2.62)

dnl Always compile with -Wall; if --enable-compile-warnings=error is passed,
dnl also use -Werror. git and pre-releases default to -Werror

dnl use a three digit version number for releases, and four for cvs/prerelease
AC_INIT([libnice],[0.1.14.1])
LIBNICE_RELEASE="no"

AC_CANONICAL_TARGET

AC_CONFIG_SRCDIR([agent/agent.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([1.12 -Wall -Wno-portability subdir-objects])

AC_CONFIG_FILES([
	Makefile
	agent/Makefile
	stun/Makefile
	stun/tests/Makefile
	stun/tools/Makefile
	socket/Makefile
	nice/Makefile
	nice/nice.pc
	random/Makefile
	gst/Makefile
	docs/Makefile
	docs/reference/Makefile
	docs/reference/libnice/Makefile
	tests/Makefile
	examples/Makefile
	])

# Set the libtool C/A/R version info
#    If the source code was changed, but there were no interface changes:
#      Increment REVISION.
#    If there was a compatible interface change:
#      Increment CURRENT and AGE. Set REVISION to 0
#    If there was an incompatible interface change:
#      Increment CURRENT. Set AGE and REVISION to 0
LIBNICE_CURRENT=17
LIBNICE_REVISION=0
LIBNICE_AGE=7
LIBNICE_LIBVERSION=${LIBNICE_CURRENT}:${LIBNICE_REVISION}:${LIBNICE_AGE}
LIBNICE_LT_LDFLAGS="-version-info ${LIBNICE_LIBVERSION} -no-undefined"
AC_SUBST(LIBNICE_LT_LDFLAGS)

dnl use pretty build output
AM_SILENT_RULES([yes])


# Checks for programs.

AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AM_PROG_AR
LT_PREREQ([2.2.6])
LT_INIT([dlopen win32-dll disable-static])
AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])

# Check Operating System
AC_MSG_CHECKING([operating system])
case "$host" in
	*-*-*mingw*|*-*-*cygwin*)
		platform=win32
		AC_MSG_RESULT($platform)
		;;
	*)
		platform=linux/other
		AC_MSG_RESULT($platform)
		;;
esac

AM_CONDITIONAL([WINDOWS], [test "$platform" = "win32"])

# Checks for compiler features

AC_C_RESTRICT
AC_C_VARARRAYS
AC_HEADER_ASSERT
AC_HEADER_STDBOOL
AH_VERBATIM([_FORTIFY_SOURCE], 
[/* Define to `2' to get GNU/libc warnings. */
/* Only define if -O1 or more is enabled */
#if defined __OPTIMIZE__ && __OPTIMIZE__ > 0
# define _FORTIFY_SOURCE 2
#endif])
AC_DEFINE([NICEAPI_EXPORT], [ ], [Public library function implementation])
AC_CHECK_HEADERS([arpa/inet.h net/in.h netdb.h])
AC_CHECK_HEADERS([ifaddrs.h], \
		      [AC_DEFINE(HAVE_GETIFADDRS, [1], \
		       [Whether getifaddrs() is available on the system])])
AC_CHECK_TYPES([size_t, ssize_t])

# Also put matching version in LIBNICE_CFLAGS
GLIB_REQ=2.44

LIBNICE_CFLAGS="-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_44 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_44"

dnl Support different levels of compiler error reporting.
dnl This configure flag is designed to mimic one from gnome-common,
dnl Defaults to "error" except for releases where it defaults to "yes"
AC_ARG_ENABLE(compile-warnings,
              AS_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@],
                             [Enable different levels of compiler warnings]),,
              [AS_IF([test "$LIBNICE_RELEASE" = "yes"],
                  [enable_compile_warnings="yes"],
                  [enable_compile_warnings="error"])])

AC_DEFUN([NICE_ADD_FLAG],
  AS_COMPILER_FLAG([-Werror $1], LIBNICE_CFLAGS="$LIBNICE_CFLAGS $1", [])
)

NICE_ADD_FLAG([-fno-strict-aliasing])

AS_IF([test "$enable_compile_warnings" != "no"],[
    NICE_ADD_FLAG([-Wall])
])
AS_IF([test "x$enable_compile_warnings" != "xno" -a \
	    "x$enable_compile_warnings" != "xminimum"],[
    NICE_ADD_FLAG([-Wextra])
    NICE_ADD_FLAG([-Wundef])
    NICE_ADD_FLAG([-Wnested-externs])
    NICE_ADD_FLAG([-Wwrite-strings])
    NICE_ADD_FLAG([-Wpointer-arith])
    NICE_ADD_FLAG([-Wmissing-declarations])
    NICE_ADD_FLAG([-Wmissing-prototypes])
    NICE_ADD_FLAG([-Wstrict-prototypes])
    NICE_ADD_FLAG([-Wredundant-decls])
    NICE_ADD_FLAG([-Wno-unused-parameter])
    NICE_ADD_FLAG([-Wno-missing-field-initializers])
    NICE_ADD_FLAG([-Wdeclaration-after-statement])
    NICE_ADD_FLAG([-Wformat=2])
    NICE_ADD_FLAG([-Wold-style-definition])
    NICE_ADD_FLAG([-Wcast-align])
    NICE_ADD_FLAG([-Wformat-nonliteral])
    NICE_ADD_FLAG([-Wformat-security])
    NICE_ADD_FLAG([-Wno-cast-function-type])
])
AS_IF([test "$enable_compile_warnings" = "yes" -o \
            "$enable_compile_warnings" = "maximum" -o \
            "$enable_compile_warnings" = "error"],[
    NICE_ADD_FLAG([-Wsign-compare])
    NICE_ADD_FLAG([-Wstrict-aliasing])
    NICE_ADD_FLAG([-Wshadow])
    NICE_ADD_FLAG([-Winline])
    NICE_ADD_FLAG([-Wpacked])
    NICE_ADD_FLAG([-Wmissing-format-attribute])
    NICE_ADD_FLAG([-Winit-self])
    NICE_ADD_FLAG([-Wredundant-decls])
    NICE_ADD_FLAG([-Wmissing-include-dirs])
    NICE_ADD_FLAG([-Wunused-but-set-variable])
    NICE_ADD_FLAG([-Warray-bounds])
])
AS_IF([test "$enable_compile_warnings" = "maximum" -o \
            "$enable_compile_warnings" = "error"],[
    NICE_ADD_FLAG([-Wswitch-default])
    NICE_ADD_FLAG([-Waggregate-return])
])
AS_IF([test "x$enable_compile_warnings" = "xerror"],[
    NICE_ADD_FLAG([-Werror])
    NICE_ADD_FLAG([-Wno-suggest-attribute=format])
])

#
# Fixes for Solaris
#
AC_SEARCH_LIBS([inet_pton],[nsl])
AC_SEARCH_LIBS([socket],[socket inet])
case $host in
	*-*-solaris* )
	AC_DEFINE(_XOPEN_SOURCE,          600, Needed to get declarations for msg_control and msg_controllen on Solaris)
	AC_DEFINE(__EXTENSIONS__,         1, Needed to get declarations for msg_control and msg_controllen on Solaris)
     ;;
esac

AC_SUBST(LIBNICE_CFLAGS)
AC_MSG_NOTICE([set LIBNICE_CFLAGS to $LIBNICE_CFLAGS])

# Checks for libraries.
AC_CHECK_LIB(rt, clock_gettime, [LIBRT="-lrt"], [LIBRT=""])
AC_CHECK_FUNCS([poll])
AC_SUBST(LIBRT)

# Dependencies

GNUTLS_PACKAGES_PRIVATE="gnutls >= 2.12.0"
PKG_CHECK_MODULES(GNUTLS, [$GNUTLS_PACKAGES_PRIVATE])

NICE_PACKAGES_PUBLIC="glib-2.0 >= $GLIB_REQ gio-2.0 >= $GLIB_REQ gobject-2.0 >= $GLIB_REQ"
NICE_PACKAGES_PRIVATE="gthread-2.0"

PKG_CHECK_MODULES(GLIB, [$NICE_PACKAGES_PUBLIC $NICE_PACKAGES_PRIVATE])

NICE_PACKAGES_PRIVATE="$NICE_PACKAGES_PRIVATE $GNUTLS_PACKAGES_PRIVATE"

AC_SUBST([NICE_PACKAGES_PUBLIC])
AC_SUBST([NICE_PACKAGES_PRIVATE])


AC_ARG_WITH(gstreamer, 
	AS_HELP_STRING([--with-gstreamer],[build GStreamer plugin]),
	[with_gstreamer=${withval}],
	[with_gstreamer=auto])

AC_ARG_WITH(gstreamer-0.10, 
	AS_HELP_STRING([--with-gstreamer-0.10],[build GStreamer 0.10 plugin]),
	[with_gstreamer010=${withval}],
	[with_gstreamer010=auto])

AS_IF([test "$with_gstreamer" != no], [

	PKG_CHECK_MODULES(GST, [
		gstreamer-1.0 >= 0.11.91
		gstreamer-base-1.0 >= 0.11.91
		],
		[
		with_gstreamer=yes
		GST_MAJORMINOR=1.0
		gstplugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR"
		],
		[
		AS_IF([test "$with_gstreamer" = yes], [
			AC_MSG_ERROR([GStreamer 1.0 support was requested but GStreamer 1.0 libraries are not available])
		])

		with_gstreamer=no
		])

	PKG_CHECK_MODULES(GST_CHECK, [
		gstreamer-check-1.0 >= 0.11.91
		],
		[
		have_gst_check=yes
		],
		[
		have_gst_check=no
		])
])

AS_IF([test "$with_gstreamer010" != no], [
  
	PKG_CHECK_MODULES(GST010, [
		gstreamer-0.10 >= 0.10.10
		gstreamer-base-0.10 >= 0.10.10
		],
		[
		with_gstreamer010=yes
		GST_MAJORMINOR=0.10
		gstplugin010dir="\$(libdir)/gstreamer-$GST_MAJORMINOR"
		],
		[
		AS_IF([test "$with_gstreamer010" = yes], [
			AC_MSG_ERROR([GStreamer 0.10 support was requested but GStreamer 0.10 libraries are not available])
		])

		with_gstreamer010=no
		])
])

AC_SUBST(gstplugindir)
AC_SUBST(gstplugin010dir)

AM_CONDITIONAL(WITH_GSTREAMER, test "$with_gstreamer" = yes)
AM_CONDITIONAL(HAVE_GST_CHECK, test "$have_gst_check" = yes)
AM_CONDITIONAL(WITH_GSTREAMER010, test "$with_gstreamer010" = yes)

GUPNP_IGD_REQUIRED=0.2.4

AC_ARG_ENABLE([gupnp],
        AS_HELP_STRING([--disable-gupnp],[Disable GUPnP IGD support]),
        [case "${enableval}" in
            yes) WANT_GUPNP=yes ;;
            no)  WANT_GUPNP=no ;;
            *) AC_MSG_ERROR(bad value ${enableval} for --enable-gupnp) ;;
        esac],
        WANT_GUPNP=test)

GUPNP_PACKAGES_PUBLIC=""
GUPNP_PACKAGES_PRIVATE="gupnp-igd-1.0 >= $GUPNP_IGD_REQUIRED"
GUPNP_PACKAGES="$GUPNP_PACKAGES_PUBLIC $GUPNP_PACKAGES_PRIVATE"

HAVE_GUPNP=no
if test "x$WANT_GUPNP" != "xno"; then
   PKG_CHECK_MODULES(GUPNP, [$GUPNP_PACKAGES],
    [ HAVE_GUPNP=yes ],
    [ HAVE_GUPNP=no ])
fi
if test "x$WANT_GUPNP" = "xyes" && test "x$HAVE_GUPNP" = "xno"; then
   AC_MSG_ERROR([Requested GUPnP IGD, but it is not available])
fi

if test "x$HAVE_GUPNP" = "xyes"; then
   AC_DEFINE(HAVE_GUPNP,,[Have the GUPnP IGD library])
  UPNP_ENABLED="true"
else
  GUPNP_PACKAGES_PUBLIC=""
  GUPNP_PACKAGES_PRIVATE=""
  GUPNP_PACKAGES=""
fi

AC_SUBST([GUPNP_PACKAGES_PUBLIC])
AC_SUBST([GUPNP_PACKAGES_PRIVATE])
AC_SUBST([GUPNP_PACKAGES])

AC_SUBST(HAVE_GUPNP)
AC_SUBST([UPNP_ENABLED])

dnl Test coverage
AC_ARG_ENABLE([coverage],
	[AS_HELP_STRING([--enable-coverage],
		[build for test coverage (default disabled)])],,
	[enable_coverage="no"])
AS_IF([test "${enable_coverage}" != "no"], [
	CFLAGS="${CFLAGS} -g -O0 -fprofile-arcs -ftest-coverage"
	LDFLAGS="-lgcov"
	CCACHE_DISABLE=1
])
AC_SUBST(CCACHE_DISABLE)

dnl build static plugins or not
AC_MSG_CHECKING([whether to build static plugins or not])
AC_ARG_ENABLE(
  static-plugins,
  AC_HELP_STRING(
    [--enable-static-plugins],
    [build static plugins @<:@default=no@:>@]),
  [AS_CASE(
    [$enableval], [no], [], [yes], [],
    [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
  [enable_static_plugins=no])
AC_MSG_RESULT([$enable_static_plugins])
if test "x$enable_static_plugins" = xyes; then
  AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
    [Define if static plugins should be built])
fi
AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")

case $host_os in
  solaris*)
    LDFLAGS="$LDFLAGS -lsocket -lnsl"
    ;;
  *)
    ;;
esac

# check for gtk-doc
m4_ifdef([GTK_DOC_CHECK], [
GTK_DOC_CHECK([1.10],[--flavour no-tmpl])
],[
AM_CONDITIONAL([ENABLE_GTK_DOC], false)
])

# GObject introspection
GOBJECT_INTROSPECTION_CHECK([1.30.0])

dnl Ignore a specific network interface name prefix from the connection check
AC_MSG_CHECKING([whether to ignore a specific network interface name prefix])
AC_ARG_WITH([ignored-network-interface-prefix],
  [AS_HELP_STRING([--with-ignored-network-interface-prefix=string],
    [Ignore network interfaces whose name starts with "string" from the ICE connection
     check algorithm. For example, interfaces "virbr" in the case of the virtual bridge
     handled by libvirtd, do not help in finding connectivity.])],
    [interface_prefix="$withval"])
AS_IF([test -n "$interface_prefix"],
  [AC_DEFINE_UNQUOTED([IGNORED_IFACE_PREFIX],["$interface_prefix"],
    [Ignore this network interface prefix from the connection check])
   AC_MSG_RESULT([yes, $interface_prefix])],
  [AC_MSG_RESULT([no])])

AC_CONFIG_MACRO_DIR(m4)

AC_OUTPUT