From a37ad2413742818aeddccabb84a548c2d919b45f Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Wed, 5 Jun 2019 14:34:58 +1000
Subject: [PATCH] cmake: Always pass IDF_TARGET into mconf, avoid error about
 uninitialized environment variable

---
 tools/cmake/kconfig.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/cmake/kconfig.cmake b/tools/cmake/kconfig.cmake
index 020e595509..d06618e7f8 100644
--- a/tools/cmake/kconfig.cmake
+++ b/tools/cmake/kconfig.cmake
@@ -200,6 +200,7 @@ function(__kconfig_generate_config sdkconfig sdkconfig_defaults)
         "COMPONENT_KCONFIGS=${kconfigs}"
         "COMPONENT_KCONFIGS_PROJBUILD=${kconfig_projbuilds}"
         "IDF_CMAKE=y"
+        "IDF_TARGET=${IDF_TARGET}"
         "KCONFIG_CONFIG=${sdkconfig}"
         ${mconf} ${root_kconfig}
         # VERBATIM cannot be used here because it cannot handle ${mconf}="winpty mconf-idf" and the escaping must be