--- src/runtime/src/native/libs/System.IO.Compression.Native/CMakeLists.txt.orig	2024-10-29 16:00:04 UTC
+++ src/runtime/src/native/libs/System.IO.Compression.Native/CMakeLists.txt
@@ -16,8 +16,11 @@ if (NOT CLR_CMAKE_TARGET_BROWSER AND NOT CLR_CMAKE_TAR
 
 if (NOT CLR_CMAKE_TARGET_BROWSER AND NOT CLR_CMAKE_TARGET_WASI)
 
-    if (CLR_CMAKE_USE_SYSTEM_BROTLI)
+    if (CLR_CMAKE_USE_SYSTEM_BROTLI)        
         add_definitions(-DFEATURE_USE_SYSTEM_BROTLI)
+        find_package(PkgConfig REQUIRED)
+        pkg_check_modules(BROTLI REQUIRED libbrotlicommon)
+        include_directories(${BROTLI_INCLUDE_DIRS})
     else ()
         include(${CLR_SRC_NATIVE_DIR}/external/brotli.cmake)