diff -rub libaom-3.12.1.orig/test/test.cmake libaom-3.12.1/test/test.cmake
--- libaom-3.12.1.orig/test/test.cmake	2025-04-12 04:37:49.000000000 +0800
+++ libaom-3.12.1/test/test.cmake	2025-08-05 18:26:19.933461978 +0800
@@ -14,6 +14,7 @@
 set(AOM_TEST_TEST_CMAKE_ 1)
 
 include(ProcessorCount)
+find_package(PkgConfig REQUIRED)
 
 include("${AOM_ROOT}/test/test_data_util.cmake")
 
@@ -414,27 +415,21 @@
     set(CMAKE_MACOSX_RPATH 1)
   endif()
 
-  add_library(
-    aom_gtest STATIC
-    "${AOM_ROOT}/third_party/googletest/src/googletest/src/gtest-all.cc")
-  set_property(TARGET aom_gtest PROPERTY FOLDER ${AOM_IDE_TEST_FOLDER})
-  # There are -Wundef warnings in the gtest headers. Tell the compiler to treat
-  # the gtest include directories as system include directories and suppress
-  # compiler warnings in the gtest headers.
-  target_include_directories(
-    aom_gtest SYSTEM
-    PUBLIC "${AOM_ROOT}/third_party/googletest/src/googletest/include"
-    PRIVATE "${AOM_ROOT}/third_party/googletest/src/googletest")
-
-  # The definition of GTEST_HAS_PTHREAD must be public, since it's checked by
-  # interface headers, not just by the implementation.
-  if(NOT (MSVC OR WIN32))
-    if(CONFIG_MULTITHREAD AND CMAKE_USE_PTHREADS_INIT)
-      target_compile_definitions(aom_gtest PUBLIC GTEST_HAS_PTHREAD=1)
-    else()
-      target_compile_definitions(aom_gtest PUBLIC GTEST_HAS_PTHREAD=0)
-    endif()
-  endif()
+  pkg_check_modules(gtest REQUIRED gtest)
+  add_library(aom_gtest INTERFACE)
+  target_link_libraries(aom_gtest INTERFACE ${gtest_LIBRARIES})
+  target_link_directories(aom_gtest INTERFACE ${gtest_LIBRARY_DIRS})
+  target_link_options(aom_gtest INTERFACE ${gtest_LDFLAGS_OTHER})
+  target_include_directories(aom_gtest INTERFACE ${gtest_INCLUDE_DIRS})
+  target_compile_options(aom_gtest INTERFACE ${gtest_CFLAGS_OTHER})
+
+  pkg_check_modules(gmock REQUIRED gmock)
+  add_library(aom_gmock INTERFACE)
+  target_link_libraries(aom_gmock INTERFACE ${gmock_LIBRARIES})
+  target_link_directories(aom_gmock INTERFACE ${gmock_LIBRARY_DIRS})
+  target_link_options(aom_gmock INTERFACE ${gmock_LDFLAGS_OTHER})
+  target_include_directories(aom_gmock INTERFACE ${gmock_INCLUDE_DIRS})
+  target_compile_options(aom_gmock INTERFACE ${gmock_CFLAGS_OTHER})
 endif()
 
 # Setup testdata download targets, test build targets, and test run targets. The