diff -Naur old/dict/configure.ac new/dict/configure.ac
--- old/dict/configure.ac	2022-06-30 10:07:59.300093597 +0200
+++ new/dict/configure.ac	2022-06-30 10:06:12.494954051 +0200
@@ -94,7 +94,7 @@
 	[enable_gucharmap=yes])
 
 if test "x$enable_gucharmap" = "xyes" ; then
-	PKG_CHECK_MODULES(GUCHARMAP, [gucharmap-2], have_gucharmap=yes, have_gucharmap=no)
+	PKG_CHECK_MODULES(GUCHARMAP, [gucharmap], have_gucharmap=yes, have_gucharmap=no)
 	if test "x$have_gucharmap" = "xyes"; then
 		GUCHARMAP_CFLAGS="${GUCHARMAP_CFLAGS}"
 		GUCHARMAP_LIBS="${GUCHARMAP_LIBS}"