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

    INTROSPECTION_SCANNER=

    INTROSPECTION_COMPILER=

    INTROSPECTION_GENERATE=

    INTROSPECTION_GIRDIR=

    INTROSPECTION_TYPELIBDIR=

    if test "x$enable_introspection" == "xno"; then

      found_introspection="no"

    else

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

           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

           AC_MSG_CHECKING([if $INTROSPECTION_SCANNER works])

           if CFLAGS="${CFLAGS} -Wno-error" "$INTROSPECTION_SCANNER" --namespace=test --library=c /dev/null --output /dev/null >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then

               found_introspection=yes

           else

               found_introspection="no (compiler failure -- check config.log)"

           fi

           AC_MSG_RESULT([$found_introspection])

       ], [found_introspection="no (not installed)"])

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

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

              AC_MSG_ERROR([introspection enabled but can't be used])

          fi

       elif test "x$enable_introspection" != "xauto"; then

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

       fi

    fi

    AC_SUBST(INTROSPECTION_SCANNER, 'CFLAGS="${CFLAGS} -Wno-error" '"$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)

    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])

])