File: configure.ac

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telepathy-glib 0.24.1-2
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AC_PREREQ([2.60])

# Making releases:
#   set the new version number:
#     odd minor -> development series
#     even minor -> stable series
#     increment micro for each release within a series
#   set nano_version to 0
#   make the release, tag it
#   set nano_version to 1

m4_define([tp_glib_major_version], [0])
m4_define([tp_glib_minor_version], [24])
m4_define([tp_glib_micro_version], [1])
m4_define([tp_glib_nano_version], [0])

# If library source has changed since last release, increment revision
# If interfaces have been added, removed or changed since last release,
#  increment current and set revision to 0
# If interfaces have been added since last release, increment age
# If interfaces have been removed since last release, set age to 0
#
# If interfaces have been added, release builds will fail unless you add a new
# file like telepathy-glib/versions/0.7.3.abi to add them to the official ABI.
# This also forces binaries built against devel versions to be rebuilt
# (we don't guarantee that we won't add ABI then remove it again, if it was
# never seen in a release).

m4_define([tp_glib_lt_current], [84])
m4_define([tp_glib_lt_revision], [1])
m4_define([tp_glib_lt_age], [84])

# Some magic
m4_define([tp_glib_base_version],
          [tp_glib_major_version.tp_glib_minor_version.tp_glib_micro_version])
m4_define([tp_glib_version],
          [m4_if(tp_glib_nano_version, 0, [tp_glib_base_version],
              [tp_glib_base_version].[tp_glib_nano_version])])

AC_INIT([Telepathy-GLib], [tp_glib_version],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=Telepathy&component=tp-glib])

AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build-aux])

AM_INIT_AUTOMAKE([1.11 -Wno-portability subdir-objects])
AC_CONFIG_HEADERS(config.h)

AM_SILENT_RULES

dnl check for tools
AC_PROG_CC
AC_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AM_PROG_LIBTOOL
AC_PROG_MKDIR_P
# pkg-config 0.21 adds CFLAGS from Requires.private, which we need
PKG_PROG_PKG_CONFIG([0.21])

GTK_DOC_CHECK([1.17],[--flavour no-tmpl])

GOBJECT_INTROSPECTION_CHECK([1.30])

TP_MAJOR_VERSION=tp_glib_major_version
TP_MINOR_VERSION=tp_glib_minor_version
TP_MICRO_VERSION=tp_glib_micro_version
AC_SUBST([TP_MAJOR_VERSION])
AC_SUBST([TP_MINOR_VERSION])
AC_SUBST([TP_MICRO_VERSION])

LT_CURRENT=tp_glib_lt_current
LT_REVISION=tp_glib_lt_revision
LT_AGE=tp_glib_lt_age
AC_SUBST([LT_CURRENT])
AC_SUBST([LT_REVISION])
AC_SUBST([LT_AGE])

dnl optimizations, etc.
COMPILER_OPTIMISATIONS
COMPILER_COVERAGE
LINKER_OPTIMISATIONS
LINKER_VERSION_SCRIPT

ifelse(tp_glib_nano_version, 0,
[ # tp-glib is version x.y.z - "official release",
  # disable extra checks by default
  official_release=yes
  AC_ARG_ENABLE([fatal-warnings],
    [AC_HELP_STRING([--enable-fatal-warnings],
                    [make various warnings fatal])],
    [],
    [enable_fatal_warnings=no])
],
[ # tp-glib is version x.y.z.1 - development snapshot,
  # enable extra checks by default
  official_release=no
  AC_ARG_ENABLE([fatal-warnings],
    [AC_HELP_STRING([--disable-fatal-warnings],
                    [make various warnings non-fatal])],
    [],
    [enable_fatal_warnings=yes])
])

AC_SUBST([enable_fatal_warnings])

TP_COMPILER_WARNINGS([ERROR_CFLAGS], [test "x$enable_fatal_warnings" = xyes],
  [all \
   extra \
   declaration-after-statement \
   shadow \
   strict-prototypes \
   missing-prototypes \
   sign-compare \
   nested-externs \
   pointer-arith \
   format-security \
   init-self],
  [missing-field-initializers \
   unused-parameter \
   deprecated-declarations])
AC_SUBST([ERROR_CFLAGS])

# these aren't really error flags but they serve a similar purpose for us -
# making the toolchain stricter
AS_IF([test "x$enable_fatal_warnings" = xyes],
[
  TP_ADD_LINKER_FLAG([ERROR_LDFLAGS], [-Wl,--no-copy-dt-needed-entries])

  # --no-copy-dt-needed-entries is the new name for --no-add-needed which
  # is much more widely supported
  AS_CASE(["$ERROR_LDFLAGS"],
    [*-Wl,--no-copy-dt-needed-entries*],
      [],
    [*],
      [TP_ADD_LINKER_FLAG([ERROR_LDFLAGS], [-Wl,--no-add-needed])])
])

AS_IF([test "x$enable_fatal_warnings" = xyes],
  [ERROR_SCANNERFLAGS=--warn-error],
  [ERROR_SCANNERFLAGS=])
AC_SUBST([ERROR_SCANNERFLAGS])

# Only use this where we really do want things to depend on whether it's
# a release or not (like ABI-stability enforcement). For fatal warnings,
# use ${enable_fatal_warnings} instead.
AM_CONDITIONAL([OFFICIAL_RELEASE], [test "x$official_release" = xyes])

AC_ARG_ENABLE(debug,
  AC_HELP_STRING([--disable-debug],[compile without debug code (note that this will disable much of the debug code in all GLib connection managers)]),
    enable_debug=$enableval, enable_debug=yes )

AC_ARG_ENABLE(debug-cache,
  AS_HELP_STRING([--enable-debug-cache],
                 [compile with code to unconditionally cache all debug messages whether or not they are actually emitted]),
                 [enable_debug_cache=$enableval],
                 [enable_debug_cache=yes])

AS_IF([test x"$enable_debug_cache" != xno],
  [AC_DEFINE([ENABLE_DEBUG_CACHE], [1], [Define to enable debug message cache])])

AC_ARG_ENABLE(backtrace,
  AC_HELP_STRING([--enable-backtrace],[enable printing out the backtrace in case of crash (in most GLib connection managers)]),
    enable_backtrace=$enableval, enable_backtrace=no )

AS_IF([test x$enable_debug = xyes],
  [AC_DEFINE([ENABLE_DEBUG], [], [Enable debug code])])

AS_IF([test x$enable_backtrace = xyes],
  [AC_DEFINE([ENABLE_BACKTRACE], [], [Enable backtrace output on crashes])])

AC_SUBST(COVERAGE_CFLAGS)

AC_ARG_ENABLE([installed-tests],
 AC_HELP_STRING([--enable-installed-tests],
 [make tests installable]),
 [installed_tests=$enableval], [installed_tests=no])

AS_IF([test x$installed_tests = xyes],
  [AC_DEFINE([ENABLE_INSTALLED_TESTS], [], [Make tests installable])])
AM_CONDITIONAL([ENABLE_INSTALLED_TESTS], [test "x$installed_tests" = xyes])

AC_ARG_ENABLE([installed-examples],
  AC_HELP_STRING([--enable-installed-examples],
    [install examples as well as the library]),
    [enable_installed_examples="$enableval"],
    [enable_installed_examples=$installed_tests])
AM_CONDITIONAL([INSTALL_EXAMPLES], [test "$enable_installed_examples" = yes])

AS_IF(
  [test x$installed_tests = xyes && test x$enable_installed_examples != xyes],
  [AC_MSG_ERROR([examples must be installed when tests are installed.])])

dnl docs/Makefile.am needs to know whether it's an out of tree build
dnl (srcdir != builddir)
AM_CONDITIONAL([OUT_OF_TREE_BUILD], [test "z$ac_srcdir" != z.])

tpglibtestsdir=${libdir}/telepathy-glib-tests
AC_SUBST(tpglibtestsdir)

dnl Check for Glib
PKG_CHECK_MODULES(GLIB,
  [glib-2.0 >= 2.36, gobject-2.0 >= 2.36, gio-2.0 >= 2.36])

AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_36], [Ignore post 2.36 deprecations])
AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_36], [Prevent post 2.36 APIs])

dnl Check for GIO-Unix
PKG_CHECK_MODULES(GIO_UNIX, [gio-unix-2.0],
  have_gio_unix=yes, have_gio_unix=no)

AS_IF([test "x$have_gio_unix" = "xyes"],
  [AC_DEFINE(HAVE_GIO_UNIX, [], [Define if GIO-Unix is available])

  GLIB_CFLAGS="$GLIB_CFLAGS $GIO_UNIX_CFLAGS"
  GLIB_LIBS="$GLIB_LIBS $GIO_UNIX_LIBS"
  ])

AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`
AC_SUBST(GLIB_GENMARSHAL)

GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
AC_SUBST(GLIB_MKENUMS)

dnl Check for D-Bus
PKG_CHECK_MODULES(DBUS, [dbus-1 >= 0.95, dbus-glib-1 >= 0.90])

AC_SUBST(DBUS_CFLAGS)
AC_SUBST(DBUS_LIBS)

AC_ARG_ENABLE(vala-bindings,
  AC_HELP_STRING([--enable-vala-bindings],
                 [build the EXPERIMENTAL Vala bindings]),
                  enable_vala_bindings=$enableval,
                  enable_vala_bindings=no )

AS_IF([test x$enable_vala_bindings = xyes],
  [
  AS_IF([test "x$INTROSPECTION_SCANNER" = x],
    [AC_MSG_ERROR([GObject-Introspection must be enabled for Vala bindings])])

  AM_PROG_VALAC([0.16.0])
  have_vala=yes

  AC_PATH_PROG(VALAC, valac, valac)
  AC_SUBST(VALAC)
  AC_SUBST(VALAFLAGS)

  AC_PATH_PROG([VAPIGEN], [vapigen], [false])

  AS_IF([test "x$VAPIGEN" = "xfalse"],
    [AC_MSG_ERROR([vapigen not found. Was vala compiled with --enable-vapigen?])])

  AC_SUBST(VAPIGEN)
  ])

AM_CONDITIONAL([HAVE_VALA], [test "x$have_vala" = "xyes"])
AC_SUBST(HAVE_VALA)

dnl We want the examples to be able to use TP_GLIB_CFLAGS as though they were
dnl independent programs, but subst'ing TP_GLIB_LIBS interferes with
dnl dependency tracking
TP_GLIB_CFLAGS='-I${top_builddir} -I${top_srcdir}'
AC_SUBST(TP_GLIB_CFLAGS)

dnl Check for code generation tools
XSLTPROC=
AC_CHECK_PROGS([XSLTPROC], [xsltproc])
AS_IF([test -z "$XSLTPROC"],
  [AC_MSG_ERROR([xsltproc (from the libxslt source package) is required])])
AM_PATH_PYTHON([2.5])

dnl glibc backtrace functions
AC_CHECK_FUNCS(backtrace backtrace_symbols_fd)
AC_CHECK_HEADERS(execinfo.h)

dnl signal functions
AC_CHECK_FUNCS(signal)
AC_CHECK_HEADERS(signal.h)

HAVE_LD_VERSION_SCRIPT=no
AS_IF([test -n "$VERSION_SCRIPT_ARG"], [HAVE_LD_VERSION_SCRIPT=yes])
AC_CHECK_PROGS([NM], [nm])
AS_IF([test -z "$NM"], [HAVE_LD_VERSION_SCRIPT=no])
AM_CONDITIONAL([HAVE_LD_VERSION_SCRIPT], [test $HAVE_LD_VERSION_SCRIPT = yes])

dnl Check for C++ compiler, for syntax checking
AC_PROG_CXX
AC_LANG_PUSH([C++])
_TP_OLD_LIBS="$LIBS"
LIBS="$GLIB_LIBS"
_TP_OLD_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$GLIB_CFLAGS"
AC_LINK_IFELSE(
  [AC_LANG_PROGRAM(
     [[#include <gio/gio.h>]],
     [[g_object_unref (g_file_new_for_path ("/"));]])
  ],
  [tp_cxx_works=yes],
  [tp_cxx_works=no])
LIBS="$_TP_OLD_LIBS"
CXXFLAGS="$_TP_OLD_CXXFLAGS"
AC_LANG_POP([C++])
AM_CONDITIONAL([HAVE_CXX], [test $tp_cxx_works = yes])

AC_OUTPUT( Makefile \
	   docs/Makefile \
	   docs/reference/Makefile \
	   docs/reference/version.xml \
	   examples/Makefile \
	   examples/client/Makefile \
	   examples/client/js/Makefile \
	   examples/client/python/Makefile \
	   examples/client/stream-tubes/Makefile \
	   examples/client/dbus-tubes/Makefile \
	   examples/cm/Makefile \
	   examples/cm/call/Makefile \
	   examples/cm/channelspecific/Makefile \
	   examples/cm/contactlist/Makefile \
	   examples/cm/echo-message-parts/Makefile \
	   examples/cm/extended/Makefile \
	   examples/cm/no-protocols/Makefile \
	   examples/extensions/Makefile \
	   spec/Makefile \
	   telepathy-glib/Makefile \
	   telepathy-glib/telepathy-glib.pc \
	   telepathy-glib/telepathy-glib-uninstalled.pc \
	   telepathy-glib/version.h \
	   tests/Makefile \
	   tests/lib/Makefile \
	   tests/dbus/Makefile \
	   tests/tools/Makefile \
	   tools/Makefile \
	   m4/Makefile \
	   vala/Makefile
)