diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index 68644c04f6..c1ca58b3e2 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -122,6 +122,12 @@ if (EMSCRIPTEN)
     return()
 endif()
 
+if(NOT TARGET glslang AND (TINT_BUILD_GLSL_WRITER OR TINT_BUILD_GLSL_VALIDATOR) AND TINT_BUILD_CMD_TOOLS)
+    find_package(glslang CONFIG REQUIRED GLOBAL)
+    add_library(glslang ALIAS glslang::glslang)
+    add_library(glslang-default-resource-limits ALIAS glslang::glslang-default-resource-limits)
+endif()
+
 # Force ENABLE_RTTI in spirv-tools and glslang.
 set(ENABLE_RTTI ${DAWN_ENABLE_RTTI} CACHE BOOL "" FORCE)