--- a/common/common.mak	2026-09-29 17:11:28.889106705 +0200
+++ b/common/common.mak	2026-09-29 17:11:37.521003651 +0200
@@ -62,7 +62,8 @@
 		-e 's|@CMAKE_INSTALL_INCLUDEDIR@|$(INCLUDEDIR:$(PREFIX)/%=%)|' \
 		-e 's|@PROJECT_DESCRIPTION@|$(DESCRIPTION)|' \
 		-e 's|@CMAKE_PROJECT_HOMEPAGE_URL@|$(HOMEPAGE_URL)|' \
-		-e 's|@CMAKE_INSTALL_PREFIX@|$(PREFIX)|'
+		-e 's|@CMAKE_INSTALL_PREFIX@|$(PREFIX)|' \
+		$< > $@
 
 $(PARSER): $(SRC_DIR)/grammar.json
 	$(TS) generate $^