dnl Process this file with autoconf to produce a configure script.

AC_INIT(lightdm, 1.7.9)
AC_CONFIG_MACRO_DIR(m4)
AC_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz foreign])
AM_SILENT_RULES(yes)
LT_INIT
AM_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_LIBTOOL
AM_MAINTAINER_MODE

dnl Enable compile warnings (only supporting GCC)
if test "x$GCC" == xyes; then
    WARN_CFLAGS="-Wall \
                 -Wstrict-prototypes \
                 -Wnested-externs \
                 -Werror=missing-prototypes \
                 -Werror=implicit-function-declaration \
                 -Werror=pointer-arith \
                 -Werror=init-self \
                 -Werror=format-security \
                 -Werror=format=2 \
                 -Werror=missing-include-dirs"
fi
AC_SUBST(WARN_CFLAGS)

GOBJECT_INTROSPECTION_CHECK(0.9.5)

dnl ###########################################################################
dnl Dependencies
dnl ###########################################################################

AC_CHECK_HEADERS(security/pam_appl.h, [], AC_MSG_ERROR(PAM not found))

AC_CHECK_FUNCS(setresgid setresuid clearenv)

PKG_CHECK_MODULES(LIGHTDM, [
    glib-2.0 >= 2.30
    gio-2.0 >= 2.26
    gio-unix-2.0
    xdmcp
    xcb
])

PKG_CHECK_MODULES(GLIB, [
    glib-2.0
])

PKG_CHECK_MODULES(GIO, [
    gio-2.0
])

PKG_CHECK_MODULES(GIO_UNIX, [
    gio-unix-2.0
])

PKG_CHECK_MODULES(GOBJECT, [
    gobject-2.0
])

PKG_CHECK_MODULES(XCB, [
    xcb
])    

AC_ARG_ENABLE(liblightdm-gobject,
	AS_HELP_STRING([--enable-liblightdm-gobject],[Enable LightDM client gobject libraries [[default=auto]]]),
	[enable_liblightdm_gobject=$enableval],
	[enable_liblightdm_gobject="auto"])
compile_liblightdm_gobject=no
if test x"$enable_liblightdm_gobject" = "xauto"; then
    PKG_CHECK_MODULES(LIBLIGHTDM_GOBJECT, [
        glib-2.0
        gio-2.0 >= 2.26
        gio-unix-2.0
        gobject-2.0
        libxklavier
        x11
    ], compile_liblightdm_gobject=yes, compile_liblightdm_gobject=no)
elif test x"$enable_liblightdm_gobject" = "xyes"; then
    PKG_CHECK_MODULES(LIBLIGHTDM_GOBJECT, [
        glib-2.0
        gio-2.0 >= 2.26
        gio-unix-2.0
        gobject-2.0
        libxklavier
        x11
    ])
    compile_liblightdm_gobject=yes
fi
AM_CONDITIONAL(COMPILE_LIBLIGHTDM_GOBJECT, test x"$compile_liblightdm_gobject" != "xno")

AC_ARG_ENABLE(liblightdm-qt,
	AS_HELP_STRING([--enable-liblightdm-qt],[Enable LightDM client Qt4 libraries [[default=auto]]]),
	[enable_liblightdm_qt4=$enableval],
	[enable_liblightdm_qt4="auto"])
compile_liblightdm_qt4=no
if test x"$enable_liblightdm_qt4" != "xno"; then
    PKG_CHECK_MODULES(LIBLIGHTDM_QT4, [
        QtCore
        QtDBus
        QtGui
    ],
    [compile_liblightdm_qt4=yes
     AC_CHECK_TOOLS(MOC4, [moc-qt4 moc])
     if test x"$(readlink $(which $MOC4))" = xqtchooser; then
         MOC4="$MOC4 --qt=qt4"
     fi
    ],
    [if test "x$enable_liblightdm_qt4" != xauto; then
        AC_MSG_FAILURE(
          [--enable-liblightdm-qt was given, but test for Qt4 failed])
      fi
    ])
fi
AM_CONDITIONAL(COMPILE_LIBLIGHTDM_QT4, test x"$compile_liblightdm_qt4" != "xno")

AC_ARG_ENABLE(liblightdm-qt5,
	AS_HELP_STRING([--enable-liblightdm-qt5],[Enable LightDM client Qt5 libraries [[default=auto]]]),
	[enable_liblightdm_qt5=$enableval],
	[enable_liblightdm_qt5="auto"])
compile_liblightdm_qt5=no
if test x"$enable_liblightdm_qt5" != "xno"; then
    PKG_CHECK_MODULES(LIBLIGHTDM_QT5, [
        Qt5Core
        Qt5DBus
        Qt5Gui
    ],
    [compile_liblightdm_qt5=yes
     AC_CHECK_TOOLS(MOC5, [moc])
     if test x"$(readlink $(which $MOC5))" = xqtchooser; then
         MOC5="$MOC5 --qt=qt5"
     fi
    ],
    [if test "x$enable_liblightdm_qt5" != xauto; then
        AC_MSG_FAILURE(
          [--enable-liblightdm-qt5 was given, but test for Qt5 failed])
      fi
    ])
fi
AM_CONDITIONAL(COMPILE_LIBLIGHTDM_QT5, test x"$compile_liblightdm_qt5" != "xno")

AC_MSG_CHECKING(whether to build tests)
AC_ARG_ENABLE(tests,
        AS_HELP_STRING([--disable-tests], [Disable tests building]),
        [], [enable_tests="yes"])
AM_CONDITIONAL(COMPILE_TESTS, test x"$enable_tests" != "xno")

dnl ###########################################################################
dnl Configurable values
dnl ###########################################################################

USER_SESSION=default
AC_ARG_WITH(user-session,
            AS_HELP_STRING(--with-user-session=<name>,
                           Session to use for user accounts),
    if test x$withval != x; then
        USER_SESSION="$withval"
    fi
)
AC_SUBST(USER_SESSION)
AC_DEFINE_UNQUOTED(USER_SESSION, "$USER_SESSION", User session)

GREETER_SESSION=default
AC_ARG_WITH(greeter-session,
            AS_HELP_STRING(--with-greeter-session=<session>,
                           Greeter session),
    if test x$withval != x; then
        GREETER_SESSION="$withval"
    fi
)
AC_SUBST(GREETER_SESSION)
AC_DEFINE_UNQUOTED(GREETER_SESSION, "$GREETER_SESSION", Greeter session)

GREETER_USER=lightdm
AC_ARG_WITH(greeter-user,
            AS_HELP_STRING(--with-greeter-user=<username>,
                           User to run greeter as),
    if test x$withval != x; then
        GREETER_USER="$withval"
    fi
)
AC_SUBST(GREETER_USER)
AC_DEFINE_UNQUOTED(GREETER_USER, "$GREETER_USER", User to run greeter as)

dnl ###########################################################################
dnl Documentation
dnl ###########################################################################

GTK_DOC_CHECK
YELP_HELP_INIT

dnl ###########################################################################
dnl Internationalization
dnl ###########################################################################

IT_PROG_INTLTOOL(0.35.0)
AC_SUBST(GETTEXT_PACKAGE, lightdm)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", Gettext package)

dnl ###########################################################################
dnl Files to generate
dnl ###########################################################################

AC_CONFIG_FILES([
Makefile
data/Makefile
doc/Makefile
help/Makefile
liblightdm-gobject/liblightdm-gobject-1.pc
liblightdm-gobject/Makefile
liblightdm-qt/Makefile
liblightdm-qt/liblightdm-qt-3.pc
liblightdm-qt/liblightdm-qt5-3.pc
po/Makefile.in
src/Makefile
tests/Makefile
tests/src/Makefile
utils/Makefile
])
AC_OUTPUT

dnl ###########################################################################
dnl Summary
dnl ###########################################################################

echo "
                    Light Display Manager $VERSION
                    ===========================

        prefix:                   $prefix
        Greeter session:          $GREETER_SESSION
        Greeter user:             $GREETER_USER
        User session:             $USER_SESSION
        liblightdm-gobject:       $compile_liblightdm_gobject
        GObject introspection:    $found_introspection
        liblightdm-qt:            $compile_liblightdm_qt4
        liblightdm-qt5:           $compile_liblightdm_qt5
        Enable tests:             $enable_tests
"