--- /usr/portage/media-sound/ecasound/ecasound-2.3.0.ebuild     2003-09-20 16:32:57.000000000 +0300
+++ ecasound-2.3.0.ebuild       2003-10-11 23:38:39.000000000 +0200
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /home/cvsroot/gentoo-x86/media-sound/ecasound/ecasound-2.3.0.ebuild,v 1.1 2003/09/20 13:32:57 jje Exp $

-IUSE="ncurses arts alsa python oss mikmod oggvorbis"
+IUSE="ncurses arts alsa python oss mikmod oggvorbis jack"

 S=${WORKDIR}/${P}
 DESCRIPTION="A package for multitrack audio processing"
@@ -14,7 +14,7 @@
 KEYWORDS="~x86"

 DEPEND="virtual/glibc
-       virtual/jack
+       jack?           ( virtual/jack )
        media-libs/ladspa-sdk
        media-libs/audiofile
        alsa?           ( media-libs/alsa-lib )
@@ -39,6 +39,7 @@
 src_compile () {
        local myconf

+       use jack || myconf="$myconf --disable-jack"
        use alsa || myconf="$myconf --disable-alsa"
        use arts || myconf="$myconf --disable-arts"
        use ncurses || myconf="$myconf --disable-ncurses"