This is a revert of upstream commit b5c2e38840480e3653360127f18459a907c75f5c to allow
building tests without building dev-util/spirv-tools with static-libs.
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -320,13 +320,11 @@ endif()
 
 find_package(GTest CONFIG)
 find_package(glslang CONFIG)
-find_package(SPIRV-Tools CONFIG)
 
 target_link_libraries(vk_layer_validation_tests PRIVATE
     VkLayer_utils
     glslang::SPIRV
     glslang::SPVRemapper
-    SPIRV-Tools-static
     SPIRV-Headers::SPIRV-Headers
     GTest::gtest
     GTest::gtest_main
@@ -347,6 +345,21 @@ target_include_directories(vk_layer_validation_tests PRIVATE
     ${VVL_SOURCE_DIR}/layers/external
 )
 
+find_package(SPIRV-Tools CONFIG QUIET)
+
+# See https://github.com/KhronosGroup/SPIRV-Tools/issues/3909 for background on this.
+# The targets available from SPIRV-Tools change depending on how SPIRV_TOOLS_BUILD_STATIC is set.
+# Try to handle all possible combinations so that we work with externally built packages.
+if (TARGET SPIRV-Tools)
+    target_link_libraries(vk_layer_validation_tests PRIVATE SPIRV-Tools)
+elseif(TARGET SPIRV-Tools-static)
+    target_link_libraries(vk_layer_validation_tests PRIVATE SPIRV-Tools-static)
+elseif(TARGET SPIRV-Tools-shared)
+    target_link_libraries(vk_layer_validation_tests PRIVATE SPIRV-Tools-shared)
+else()
+    message(FATAL_ERROR "Cannot determine SPIRV-Tools target name")
+endif()
+
 # More details in tests/android/mock/README.md
 option(VVL_MOCK_ANDROID "Enable building for Android on desktop for testing with MockICD setup")
 if(VVL_MOCK_ANDROID)