dnl -*- mode: autoconf -*-

dnl Copyright 2009 Johan Dahlin

dnl

dnl This file is free software; the author(s) gives unlimited

dnl permission to copy and/or distribute it, with or without

dnl modifications, as long as this notice is preserved.

dnl

# serial 1

m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL],

[

    AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first

    AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first

    AC_BEFORE([LT_INIT],[$0])dnl setup libtool first

    dnl enable/disable introspection

    m4_if([$2], [require],

    [dnl

        enable_introspection=yes

    ],[dnl

        AC_ARG_ENABLE(introspection,

                  AS_HELP_STRING([--enable-introspection[=@<:@no/auto/yes@:>@]],

                                 [Enable introspection for this build]),, 

                                 [enable_introspection=auto])

    ])dnl

    AC_MSG_CHECKING([for gobject-introspection])

    dnl presence/version checking

    AS_CASE([$enable_introspection],

    [no], [dnl

        found_introspection="no (disabled, use --enable-introspection to enable)"

    ],dnl

    [yes],[dnl

        PKG_CHECK_EXISTS([gobject-introspection-1.0],,

                         AC_MSG_ERROR([gobject-introspection-1.0 is not installed]))

        PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1],

                         found_introspection=yes,

                         AC_MSG_ERROR([You need to have gobject-introspection >= $1 installed to build AC_PACKAGE_NAME]))

    ],dnl

    [auto],[dnl

        PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], found_introspection=yes, found_introspection=no)

    ],dnl

    [dnl	

        AC_MSG_ERROR([invalid argument passed to --enable-introspection, should be one of @<:@no/auto/yes@:>@])

    ])dnl

    AC_MSG_RESULT([$found_introspection])

    INTROSPECTION_SCANNER=

    INTROSPECTION_COMPILER=

    INTROSPECTION_GENERATE=

    INTROSPECTION_GIRDIR=

    INTROSPECTION_TYPELIBDIR=

    if test "x$found_introspection" = "xyes"; then

       INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0`

       INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0`

       INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0`

       INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0`

       INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"

       INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0`

       INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0`

       INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection

       INTROSPECTION_INIT="extern void gst_init(gint*,gchar**); gst_init(NULL,NULL);"

    fi

    AC_SUBST(INTROSPECTION_SCANNER)

    AC_SUBST(INTROSPECTION_COMPILER)

    AC_SUBST(INTROSPECTION_GENERATE)

    AC_SUBST(INTROSPECTION_GIRDIR)

    AC_SUBST(INTROSPECTION_TYPELIBDIR)

    AC_SUBST(INTROSPECTION_CFLAGS)

    AC_SUBST(INTROSPECTION_LIBS)

    AC_SUBST(INTROSPECTION_MAKEFILE)

    AC_SUBST(INTROSPECTION_INIT)

    AM_CONDITIONAL(HAVE_INTROSPECTION, test "x$found_introspection" = "xyes")

])

dnl Usage:

dnl   GOBJECT_INTROSPECTION_CHECK([minimum-g-i-version])

AC_DEFUN([GOBJECT_INTROSPECTION_CHECK],

[

  _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1])

])

dnl Usage:

dnl   GOBJECT_INTROSPECTION_REQUIRE([minimum-g-i-version])

AC_DEFUN([GOBJECT_INTROSPECTION_REQUIRE],

[

  _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1], [require])

])