--- bin/portageq.orig	2004-01-23 10:09:58.000000000 +0100
+++ bin/portageq.orig	2004-01-23 11:07:49.587331955 +0100
@@ -61,6 +61,26 @@ 
 	except KeyError:
 		sys.exit(1)
 
+def have_flags(argv):
+	"""<root> <category/package> [<use_flag>]+
+	Returns 0 if all the matching packages have the requested USE flags, 0 otherwise.
+	"""
+	if (len(argv) < 3):
+		print "ERROR: insufficient parameters!"
+		sys.exit(2)
+	myflaglist=argv[2:]
+	myvdbapi=portage.db[argv[0]]["vartree"].dbapi
+	try:
+		mypkglist=myvdbapi.match(argv[1])
+		for mypkg in mypkglist:
+			mypkgflags=string.split(myvdbapi.aux_get(mypkg,['USE'])[0])
+			for myflag in myflaglist:
+				if not (myflag in mypkgflags):
+					sys.exit(1)
+		sys.exit(0)
+	except KeyError:
+		sys.exit(1)
+
 
 def mass_best_version(argv):
 	"""<root> [<category/package>]+
--- bin/ebuild.sh.orig	2004-01-23 10:28:28.000000000 +0100
+++ bin/ebuild.sh.orig	2004-01-23 10:31:15.590854112 +0100
@@ -202,6 +202,16 @@ 
 	fi
 }
 
+have_flags() {
+	# return shell-true/shell-false if all matching pkgs have the requested flags.
+	# Takes a single depend-type atoms and a USE flag list.
+	if /usr/lib/portage/bin/portageq 'have_flags' "${ROOT}" "$@"; then
+		return 0
+	else
+		return 1
+	fi
+}
+
 best_version() {
 	# returns the best/most-current match.
 	# Takes single depend-type atoms.