--- toolchain.eclass.orig	2006-03-12 21:44:23.000000000 -0800
+++ toolchain.eclass	2006-03-12 23:01:06.000000000 -0800
@@ -2,6 +2,10 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain.eclass,v 1.250 2006/03/10 00:46:18 vapier Exp $
 
+# Maybe this should go in gcc-*.ebuild instead, but
+# the overlay is smaller this way:
+GDC_VER="0.17"
+
 HOMEPAGE="http://www.gnu.org/software/gcc/gcc.html"
 LICENSE="GPL-2 LGPL-2.1"
 RESTRICT="nostrip" # cross-compilers need controlled stripping
@@ -136,6 +140,7 @@
 
 	if [[ ${PN} != "kgcc64" ]] ; then
 		IUSE="${IUSE} altivec bootstrap build fortran gcj gtk hardened multilib nls nocxx objc vanilla"
+		[[ -n ${GDC_VER}    ]] && IUSE="${IUSE} dlang"
 		[[ -n ${PIE_VER}    ]] && IUSE="${IUSE} nopie"
 		[[ -n ${PP_VER}     ]] && IUSE="${IUSE} nossp"
 		[[ -n ${HTB_VER}    ]] && IUSE="${IUSE} boundschecking"
@@ -334,6 +339,14 @@
 			)"
 	fi
 
+	# D language frontend
+	if [[ -n ${GDC_VER} ]] ; then
+		GCC_SRC_URI="${GCC_SRC_URI}
+			dlang? (
+				http://home.earthlink.net/~dvdfrdmn/d/gdc-${GDC_VER}.tar.bz2
+			)"
+	fi
+
 	echo "${GCC_SRC_URI}"
 }
 S=$(gcc_get_s_dir)
@@ -1014,6 +1027,11 @@
 
 	${ETYPE}_src_unpack || die "failed to ${ETYPE}_src_unpack"
 
+	if use dlang ; then 
+		einfo "Unpacking GDC ${GDC_VER} ..."
+		tar -xf "${DISTDIR}"/gdc-${GDC_VER}.tar.bz2 -C gcc
+	fi
+
 	fix_files=""
 	for x in contrib/test_summary libstdc++-v3/scripts/check_survey.in ; do
 		[[ -e ${x} ]] && fix_files="${fix_files} ${x}"
@@ -1123,6 +1141,7 @@
 	esac
 
 	GCC_LANG="c"
+	is_dlang && GCC_LANG="${GCC_LANG},d"
 	is_cxx && GCC_LANG="${GCC_LANG},c++"
 	is_gcj && GCC_LANG="${GCC_LANG},java"
 	if is_objc || is_objcxx ; then
@@ -1469,6 +1488,12 @@
 	[[ ! -x /usr/bin/perl ]] && [[ -n ${MAN_VER} ]] && \
 		unpack gcc-${MAN_VER}-manpages.tar.bz2
 
+	if use dlang ; then
+		einfo "Setting up GDC ${GDC_VER} ..."
+		cd ${S}
+		./gcc/d/setup-gcc.sh || die
+	fi
+
 	einfo "Configuring ${PN} ..."
 	gcc_do_configure
 
@@ -2214,6 +2239,12 @@
 #	[[ " ${TOOLCHAIN_ALLOWED_LANGS} " != " "*$1*" " ]] 
 }
 
+is_dlang() {
+	gcc-lang-supported 'd' || return 1
+	use build && return 1
+	use dlang
+}
+
 is_cxx() {
 	gcc-lang-supported 'c++' || return 1
 	is_allowed 'c++' || return 1