--- vlib/builtin/builtin_d_gcboehm.c.v.original	2022-11-10 11:57:53.000000000 +0000
+++ vlib/builtin/builtin_d_gcboehm.c.v	2022-11-10 16:02:13.000000000 +0000
@@ -31,12 +31,12 @@
 } $else {
 	$if macos || linux {
 		#flag -DGC_BUILTIN_ATOMIC=1
-		#flag -I @VEXEROOT/thirdparty/libgc/include
-		$if (prod && !tinyc && !debug) || !(amd64 || arm64 || i386 || arm32) {
+		#flag -I @PREFIX@/include
+		$if (!macos && prod && !tinyc && !debug) || !(amd64 || arm64 || i386 || arm32) {
 			// TODO: replace the architecture check with a `!$exists("@VEXEROOT/thirdparty/tcc/lib/libgc.a")` comptime call
 			#flag @VEXEROOT/thirdparty/libgc/gc.o
 		} $else {
-			#flag @VEXEROOT/thirdparty/tcc/lib/libgc.a
+			#flag @PREFIX@/lib/libgc.a
 		}
 		$if macos {
 			#flag -DMPROTECT_VDB=1