Mine

diff -urN seamonkey-old/seamonkey-1.0.2.ebuild seamonkey/seamonkey-1.0.2.ebuild
--- seamonkey-old/seamonkey-1.0.2.ebuild	2006-10-28 09:40:25.958719520 -0500
+++ seamonkey/seamonkey-1.0.2.ebuild	2006-10-28 09:43:27.352143528 -0500
@@ -35,6 +35,12 @@
 
 S=${WORKDIR}/mozilla
 
+pkg_setup() {
+	if use moznopango; then
+		warn_mozilla_launcher_stub
+	fi
+}
+
 src_unpack() {
 	unpack ${P}.source.tar.bz2 ${P}-patches-${PVER}.tar.bz2
 
diff -urN seamonkey-old/seamonkey-1.0.3.ebuild seamonkey/seamonkey-1.0.3.ebuild
--- seamonkey-old/seamonkey-1.0.3.ebuild	2006-10-28 09:40:25.959719368 -0500
+++ seamonkey/seamonkey-1.0.3.ebuild	2006-10-28 09:43:12.898340840 -0500
@@ -35,6 +35,12 @@
 
 S=${WORKDIR}/mozilla
 
+pkg_setup() {
+	if use moznopango; then
+		warn_mozilla_launcher_stub
+	fi
+}
+
 src_unpack() {
 	unpack ${P}.source.tar.bz2 ${P}-patches-${PVER}.tar.bz2
 
diff -urN seamonkey-old/seamonkey-1.0.5.ebuild seamonkey/seamonkey-1.0.5.ebuild
--- seamonkey-old/seamonkey-1.0.5.ebuild	2006-10-28 09:40:25.959719368 -0500
+++ seamonkey/seamonkey-1.0.5.ebuild	2006-10-28 09:43:21.892973448 -0500
@@ -35,6 +35,12 @@
 
 S=${WORKDIR}/mozilla
 
+pkg_setup() {
+	if use moznopango; then
+		warn_mozilla_launcher_stub
+	fi
+}
+
 src_unpack() {
 	unpack ${P}.source.tar.bz2 ${P}-patches-${PVER}.tar.bz2