diff --git a/components/esp_common/project_include.cmake b/components/esp_common/project_include.cmake
index 2199570434..e7b1d65448 100644
--- a/components/esp_common/project_include.cmake
+++ b/components/esp_common/project_include.cmake
@@ -1,8 +1,12 @@
 #
 # Warn if the toolchain version doesn't match
 #
-if(NOT ${target} STREQUAL "linux")
+if(NOT (${target} STREQUAL "linux" OR CMAKE_C_COMPILER_ID MATCHES "Clang"))
     get_expected_ctng_version(expected_toolchain expected_gcc)
     gcc_version_check("${expected_gcc}")
     crosstool_version_check("${expected_toolchain}")
 endif()
+
+if(NOT ${target} STREQUAL "linux" AND CMAKE_C_COMPILER_ID MATCHES "Clang")
+    message(WARNING "Building ESP-IDF with clang is an experimental feature and is not yet officially supported.")
+endif()