From 4f637034e8d4dd06c30eeac0154c07cd6eebccdc Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Thu, 8 Dec 2016 07:32:36 +1100
Subject: [PATCH] build system tests: Add test case for sdkconfig-triggered
 recompilation

---
 make/test_build_system.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/make/test_build_system.sh b/make/test_build_system.sh
index d449fa9614..5d24e2a948 100755
--- a/make/test_build_system.sh
+++ b/make/test_build_system.sh
@@ -155,6 +155,17 @@ function run_tests()
     assert_rebuilt ${APP_BINS}
     assert_not_rebuilt ${BOOTLOADER_BINS}
 
+    print_status "sdkconfig update triggers recompiles"
+    make
+    take_build_snapshot
+    touch sdkconfig
+    make
+    # pick one each of .c, .cpp, .S that #includes sdkconfig.h
+    # and therefore should rebuild
+    assert_rebuilt newlib/syscall_table.o
+    assert_rebuilt nvs_flash/src/nvs_api.o
+    assert_rebuilt freertos/xtensa_vectors.o
+
     print_status "All tests completed"
     if [ -n "${FAILURES}" ]; then
         echo "Some failures were detected:"