# If not 1, append datestamp to the version number
m4_define([folks_released], [0])

m4_define([folks_major_version], [0])
m4_define([folks_minor_version], [3])
m4_define([folks_micro_version], [4])
m4_define([folks_nano_version], [1])

# 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
m4_define([folks_lt_current], [20])
m4_define([folks_lt_revision], [0])
m4_define([folks_lt_age], [0])

# Display the nano_version only if it's not '0'
m4_define([folks_base_version],
          folks_major_version.folks_minor_version.folks_micro_version)
m4_define([folks_full_version],
          [m4_if(folks_nano_version, [0],
                 folks_base_version, folks_base_version.folks_nano_version)])

m4_define([folks_maybe_datestamp],
          m4_if(folks_released, [1],
                [], [m4_esyscmd([date +.%Y%m%d | tr -d '\n\r'])]))

m4_define([folks_version], folks_full_version[]folks_maybe_datestamp)
m4_define([folks_major_minor_version], folks_major_version.folks_minor_version)
m4_define([folks_module_version], folks_lt_current)

AC_INIT([folks], folks_version,
        [https://bugzilla.gnome.org/browse.cgi?product=folks], [folks],
        [http://telepathy.freedesktop.org/wiki/Folks])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

AC_PREREQ([2.65])
AC_COPYRIGHT([Copyright (C) 2010 Collabora Ltd.])

AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_SRCDIR([configure.ac])
AM_INIT_AUTOMAKE([1.11 dist-bzip2 no-define
                  no-dist-gzip tar-ustar -Wno-portability])
AM_MAINTAINER_MODE

AC_PROG_CC
AM_PROG_CC_C_O
AC_DISABLE_STATIC
LT_INIT
PKG_PROG_PKG_CONFIG([0.21])

AC_SUBST([CFLAGS])
AC_SUBST([CPPFLAGS])
AC_SUBST([LDFLAGS])

LT_CURRENT=folks_lt_current
LT_REVISION=folks_lt_revision
LT_AGE=folks_lt_age
AC_SUBST([LT_CURRENT])
AC_SUBST([LT_REVISION])
AC_SUBST([LT_AGE])

FOLKS_MAJOR_MINOR_VERSION=folks_major_minor_version
AC_SUBST([FOLKS_MAJOR_MINOR_VERSION])

# -----------------------------------------------------------
# Dependencies
# -----------------------------------------------------------

GLIB_REQUIRED=2.24.0
TP_GLIB_REQUIRED=0.13.1
# XXX: once we bump this to 0.12.x, remove all the #if VALA_0_12 conditionals
VALA_REQUIRED=0.10.0

GOBJECT_INTROSPECTION_CHECK([0.9.0])

PKG_CHECK_MODULES([GLIB],
                  [glib-2.0 >= $GLIB_REQUIRED
                   gobject-2.0 >= $GLIB_REQUIRED])
PKG_CHECK_MODULES([GMODULE], [gmodule-no-export-2.0])
PKG_CHECK_MODULES([GIO], [gio-2.0 >= $GLIB_REQUIRED])
PKG_CHECK_MODULES([DBUS_GLIB], [dbus-glib-1])

# FIXME: We depend on libgee < 0.7 because 0.7 breaks API. bgo#627746
PKG_CHECK_MODULES([GEE], [gee-1.0 < 0.7])
PKG_CHECK_MODULES([TP_GLIB], [telepathy-glib >= $TP_GLIB_REQUIRED])

#
# Vala building options -- allows tarball builds without installing Vala
#
AC_ARG_ENABLE([vala],
              AS_HELP_STRING([--enable-vala],
                             [Enable building from the Vala sources]),
              [enable_vala=$enableval],
              [enable_vala=no])

# will be re-set as necessary below
AM_CONDITIONAL([HAVE_INTROSPECTION], [test "x$enable_vala" = "xyes"])
sd=${srcdir}/

# Force Vala for non-release builds
m4_if(folks_released, [1], [],
    [
        enable_vala=yes
        echo "Vala compiler required for non-release builds; requiring Vala..."
    ])

# Force Vala if generated source is missing or outdated
if test \
        ! -e ${sd}tools/folks_import_vala.stamp -o \
        ! -e ${sd}tests/folks/aggregation_vala.stamp -o \
        ! -e ${sd}tests/folks/backend_loading_vala.stamp -o \
        ! -e ${sd}tests/folks/field_details_vala.stamp -o \
        ! -e ${sd}tests/folks/linked_hash_set_vala.stamp -o \
        ! -e ${sd}tests/key-file/individual_retrieval_vala.stamp -o \
        ! -e ${sd}tests/lib/folks-test.vapi -o \
        ! -e ${sd}tests/lib/key-file/kf-test.vapi -o \
        ! -e ${sd}tests/lib/key-file/libkf_test_la_vala.stamp -o \
        ! -e ${sd}tests/lib/telepathy/contactlist/tp-test-contactlist.gir -o \
        ! -e ${sd}tests/lib/telepathy/contactlist/tp-test-contactlist.vapi -o \
        ! -e ${sd}tests/lib/libfolks_test_la_vala.stamp -o \
        ! -e ${sd}tests/telepathy/persona_store_capabilities_vala.stamp -o \
        ! -e ${sd}tests/telepathy/individual_retrieval_vala.stamp -o \
        ! -e ${sd}tests/telepathy/individual_properties_vala.stamp -o \
        ! -e ${sd}tests/folks/backend_loading_vala.stamp -o \
        ! -e ${sd}backends/key-file/libfolks_backend_key_file_la_vala.stamp -o \
        ! -e ${sd}backends/telepathy/libfolks_backend_telepathy_la_vala.stamp \
                -o \
        ! -e ${sd}backends/telepathy/lib/folks-telepathy.vapi -o \
        ! -e ${sd}backends/telepathy/lib/tp-lowlevel.gir -o \
        ! -e ${sd}backends/telepathy/lib/tp-lowlevel.vapi -o \
        ! -e ${sd}backends/telepathy/lib/libfolks_telepathy_la_vala.stamp -o \
        ! -e ${sd}folks/folks.vapi -o \
        ! -e ${sd}folks/libfolks_la_vala.stamp ; then
        enable_vala=yes
        echo "Vala source needs to be re-compiled; requiring Vala..."
fi

if test "x$enable_vala" = "xyes" ; then
        AM_PROG_VALAC([$VALA_REQUIRED])
        if test "x$VALAC" = "x"; then
              AC_MSG_ERROR([Vala requested but valac is not installed])
        fi

        AC_PATH_PROG([VAPIGEN], [vapigen], [])
        if test "x$VAPIGEN" = "x"; then
              AC_MSG_ERROR([Vala must be built with --enable-vapigen])
        fi

        # require GLib >= 2.24 so GLib.Array, etc. reffing is handled
        # automatically
        VALAFLAGS="$VALAFLAGS --target-glib=2.24"
        AC_SUBST([VALAFLAGS])
        AC_SUBST([VAPIGENFLAGS])
        AC_SUBST([VAPIDIR])

        VALA_CHECK_PACKAGES([telepathy-glib
                             dbus-glib-1
                             gio-2.0
                             gee-1.0])

        # this will set HAVE_INTROSPECTION
        GOBJECT_INTROSPECTION_REQUIRE([0.9.12])
fi

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

# Various functions that we need (used in C code generated from Vala)
AC_CHECK_FUNCS([memset])
AC_CHECK_FUNCS([strstr])

# -----------------------------------------------------------
# Backends
# -----------------------------------------------------------

FOLKS_MODULE_VERSION=folks_module_version
AC_SUBST([FOLKS_MODULE_VERSION])
AC_DEFINE([MODULE_VERSION], "folks_module_version", [Module interface version])

BACKEND_DIR='$(libdir)/folks/$(FOLKS_MODULE_VERSION)/backends'
AC_SUBST([BACKEND_DIR])

BACKEND_KF='$(top_builddir)/backends/key-file/.libs/libfolks-backend-key-file.so'
AC_SUBST([BACKEND_KF])
BACKEND_TP='$(top_builddir)/backends/telepathy/.libs/libfolks-backend-telepathy.so'
AC_SUBST([BACKEND_TP])

# All of the backend libraries in our tree; to be used by the tests
BACKEND_UNINST_PATH='$(BACKEND_KF):$(BACKEND_TP)'
AC_SUBST([BACKEND_UNINST_PATH])

# -----------------------------------------------------------
# Tools
# -----------------------------------------------------------

AC_ARG_ENABLE([import-tool],
              AS_HELP_STRING([--enable-import-tool],
                             [Enable building the meta-contact import tool]),
              [enable_import_tool=$enableval with_import_tool=$enableval],
              [enable_import_tool=maybe with_import_tool=no])
AS_IF([test "$enable_import_tool" != "no"],
      [PKG_CHECK_MODULES([LIBXML], [libxml-2.0],
                         [with_import_tool=yes], [with_import_tool=no])])
AS_IF([test "$enable_import_tool" = "yes" -a "$with_import_tool" = "no"],
      [AC_MSG_ERROR([Import tool explicitly enabled, but libxml2 not found])])
AM_CONDITIONAL([ENABLE_IMPORT_TOOL], [test "$with_import_tool" = "yes"])

# Readline's required for the folks-inspect program
AC_ARG_ENABLE([inspect-tool],
              AS_HELP_STRING([--enable-inspect-tool],
                             [Enable building the data inspection tool]),
              [enable_inspect_tool=$enableval with_inspect_tool=$enableval],
              [enable_inspect_tool=maybe with_inspect_tool=no])
AS_IF([test "$enable_inspect_tool" = "yes" -a "$enable_vala" != "yes"],
      [AC_MSG_ERROR([Inspect tool explicitly enabled, but Vala wasn't enabled \
                     using --enable-vala])])
AS_IF([test "$enable_inspect_tool" = "maybe" -a "$enable_vala" != "yes"],
      [AC_MSG_NOTICE([Inspect tool disabled, as Vala wasn't enabled using \
                      --enable-vala])])
AS_IF([test "$enable_inspect_tool" != "no" -a "x$enable_vala" = "xyes"],
      [AC_CHECK_LIB([readline], [main],
                    [with_inspect_tool=yes], [with_inspect_tool=no],
                    [-lncurses])])
AS_IF([test "$enable_inspect_tool" != "no" -a "$with_inspect_tool" = "yes" -a \
       "x$enable_vala" = "xyes"],
      [VALA_CHECK_PACKAGES([readline])
       LIBREADLINE="-lreadline -lncurses"
       AC_DEFINE([HAVE_LIBREADLINE], [1], [Define if you have libreadline])
       AC_SUBST([LIBREADLINE])])
AS_IF([test "$enable_inspect_tool" = "yes" -a "$with_inspect_tool" = "no"],
      [AC_MSG_ERROR([Inspect tool explicitly enabled, but readline not found])])
AM_CONDITIONAL([ENABLE_INSPECT_TOOL], [test "$with_inspect_tool" = "yes"])

# -----------------------------------------------------------
# Documentation
# -----------------------------------------------------------

AC_ARG_ENABLE([docs],
              AS_HELP_STRING([--enable-docs],[Enable documentation generation]),
              [enable_docs=$enableval], [enable_docs=no])
AM_CONDITIONAL([ENABLE_DOCS], [test x$enable_docs = xyes])

AS_IF([test "x$enable_docs" != xno],
      [AC_PATH_PROG([VALADOC], [valadoc], [:])
       AS_IF([test "$VALADOC" != :],
             have_valadoc=yes)])
AM_CONDITIONAL([HAVE_VALADOC], [test x$have_valadoc = xyes])

# -----------------------------------------------------------
# Gettext
# -----------------------------------------------------------

GETTEXT_PACKAGE=AC_PACKAGE_NAME
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, ["$GETTEXT_PACKAGE"], [Define the gettext package to be used])
IT_PROG_INTLTOOL([0.35.0])

# -----------------------------------------------------------
# Error flags
# -----------------------------------------------------------

AS_COMPILER_FLAG([-Wall], [ERROR_CFLAGS="-Wall"], [ERROR_CFLAGS=""])
AS_COMPILER_FLAG([-Werror], [werror=yes], [werror=no])

AC_ARG_ENABLE([debug],
              AS_HELP_STRING([--disable-debug],[compile without debug code]),
              [enable_debug=$enableval], [enable_debug=yes])

AC_ARG_ENABLE([Werror],
              AS_HELP_STRING([--disable-Werror],
                             [compile without -Werror (normally enabled in
                              development builds)]),
              [werror=$enableval], [werror=yes])

AS_COMPILER_FLAG([-Wextra], [wextra=yes], [wextra=no])
AS_COMPILER_FLAG([-Wno-missing-field-initializers],
                 [wno_missing_field_initializers=yes],
                 [wno_missing_field_initializers=no])
AS_COMPILER_FLAG([-Wno-unused-parameter],
                 [wno_unused_parameter=yes], [wno_unused_parameter=no])

m4_if(folks_released, [1], [],
    [
        if test x$werror = xyes; then
            ERROR_CFLAGS="$ERROR_CFLAGS -Werror"
        fi
        if test x$wextra = xyes -a \
            x$wno_missing_field_initializers = xyes -a \
            x$wno_unused_parameter = xyes; then
            ERROR_CFLAGS="$ERROR_CFLAGS -Wextra \
                -Wno-missing-field-initializers -Wno-unused-parameter"
        fi
    ])

AS_COMPILER_FLAG([-D_POSIX_SOURCE], [ERROR_CFLAGS="$ERROR_CFLAGS -D_POSIX_SOURCE"])
AS_COMPILER_FLAG([-std=c99], [ERROR_CFLAGS="$ERROR_CFLAGS -std=c99"])
AS_COMPILER_FLAG([-Wshadow], [ERROR_CFLAGS="$ERROR_CFLAGS -Wshadow"])
AS_COMPILER_FLAG([-Wmissing-prototypes], [ERROR_CFLAGS="$ERROR_CFLAGS \
                                          -Wmissing-prototypes"])
AS_COMPILER_FLAG([-Wmissing-declarations], [ERROR_CFLAGS="$ERROR_CFLAGS \
                                            -Wmissing-declarations"])
AS_COMPILER_FLAG([-Wstrict-prototypes], [ERROR_CFLAGS="$ERROR_CFLAGS \
                                         -Wstrict-prototypes"])

AC_SUBST([ERROR_CFLAGS])

# Vala-related flags
AS_IF([test "x$enable_vala" = "xyes"],
      [ERROR_INTROSPECTION_SCANNER_ARGS="\
                        $ERROR_INTROSPECTION_SCANNER_ARGS --warn-error"
       ERROR_VALAFLAGS="$ERROR_VALAFLAGS --fatal-warnings"])

AC_SUBST([ERROR_INTROSPECTION_SCANNER_ARGS])
AC_SUBST([ERROR_VALAFLAGS])

# -----------------------------------------------------------
# Final output
# -----------------------------------------------------------

AC_CONFIG_FILES([
    backends/telepathy/lib/folks-telepathy.pc
    backends/telepathy/lib/folks-telepathy-uninstalled.pc
    folks/folks.pc
    folks/folks-uninstalled.pc
    Makefile
    backends/Makefile
    backends/key-file/Makefile
    backends/telepathy/Makefile
    backends/telepathy/lib/Makefile
    folks/Makefile
    docs/Makefile
    po/Makefile.in
    tests/Makefile
    tests/folks/Makefile
    tests/key-file/Makefile
    tests/telepathy/Makefile
    tests/lib/Makefile
    tests/lib/folks-test-uninstalled.pc
    tests/lib/key-file/Makefile
    tests/lib/telepathy/Makefile
    tests/lib/telepathy/contactlist/Makefile
    tests/lib/telepathy/contactlist/session.conf
    tests/tools/Makefile
    tools/Makefile
    tools/inspect/Makefile
])

AC_OUTPUT

echo "
Configure summary:

        Vala........................:  ${enable_vala}
        Vala Compiler...............:  ${VALAC}
        C Compiler Flags............:  ${CFLAGS} ${ERROR_CFLAGS}
        Prefix......................:  ${prefix}
        Bugreporting URL............:  ${PACKAGE_BUGREPORT}
        Documentation...............:  ${HAVE_VALADOC}
        Tests.......................:  ${have_tp_glib_for_tests}
        Import tool.................:  ${with_import_tool}
        Inspector tool..............:  ${with_inspect_tool}


"