From 2a0d8042ed004c3e65cac849980b7786916e1491 Mon Sep 17 00:00:00 2001
From: Greg Sjaardema <gsjaardema@gmail.com>
Date: Tue, 7 Jun 2022 14:38:09 -0600
Subject: [PATCH] Fix syntax error

The include_files argument was malformed due to a missing `${` at the beginning.  Was expanding to (e.g.) the literal `Zstd_INCLUDE_DIRS}` instead of to the contents of the `Zstd_INCLUDE_DIRS` variable.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a3629b05d..2a6c400632 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1085,7 +1085,7 @@ string(TOUPPER "${filter}" upfilter)
 string(TOLOWER "${filter}" downfilter)
 # Define a test flag for filter
 IF(${filter}_FOUND)
-  INCLUDE_DIRECTORIES(${filter}_INCLUDE_DIRS})
+  INCLUDE_DIRECTORIES(${${filter}_INCLUDE_DIRS})
   SET(ENABLE_${upfilter} TRUE)
   SET(HAVE_${upfilter} ON)
   SET(STD_FILTERS "${STD_FILTERS} ${downfilter}")