--- src/Makevars	2024-07-07 19:06:21.000000000 +0800
+++ src/Makevars	2024-07-10 16:31:37.000000000 +0800
@@ -1,5 +1,5 @@
-PKG_CPPFLAGS = -I"../inst/include/" -I"../inst/include/quickjs" -D_GNU_SOURCE
-PKG_LIBS = ../inst/lib/$(R_ARCH)/libquickjs.a
+PKG_CPPFLAGS = -I"../inst/include/" -I"../inst/include/quickjs" -I@PREFIX@/include/LegacySupport -D_GNU_SOURCE
+PKG_LIBS = ../inst/lib/$(R_ARCH)/libquickjs.a -L@PREFIX@/lib -lMacportsLegacySupport
 
 ifeq ($(OS),Windows_NT)
   DLL := .dll