From 9c2f1800498ccb66d8832299fbfc4265b99ba822 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Wed, 31 Mar 2021 19:25:35 +1100
Subject: [PATCH] ulp: Fix bug where ULP linker script not regenerated for new
 config

ULP linker script relies on value of CONFIG_ESP32S2_ULP_COPROC_RESERVE_MEM,
when this value changes in config then it should be regenerated.
---
 components/ulp/cmake/CMakeLists.txt  | 4 ++--
 components/ulp/project_include.cmake | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/components/ulp/cmake/CMakeLists.txt b/components/ulp/cmake/CMakeLists.txt
index 625ff97154..6eb57e091e 100644
--- a/components/ulp/cmake/CMakeLists.txt
+++ b/components/ulp/cmake/CMakeLists.txt
@@ -43,7 +43,7 @@ endif()
 
 
 set(ULP_MAP_GEN ${PYTHON} ${IDF_PATH}/components/ulp/esp32ulp_mapgen.py)
-get_filename_component(sdkconfig_dir ${SDKCONFIG} DIRECTORY)
+get_filename_component(sdkconfig_dir ${SDKCONFIG_HEADER} DIRECTORY)
 
 foreach(include ${COMPONENT_INCLUDES})
     list(APPEND component_includes -I${include})
@@ -62,7 +62,7 @@ get_filename_component(ULP_LD_SCRIPT ${ULP_LD_TEMPLATE} NAME)
 add_custom_command(OUTPUT ${ULP_LD_SCRIPT}
                    COMMAND ${CMAKE_C_COMPILER} -E -P -xc -o ${ULP_LD_SCRIPT} ${ULP_PREPROCESSOR_ARGS} ${ULP_LD_TEMPLATE}
                    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-                   DEPENDS ${ULP_LD_TEMPLATE}
+                   DEPENDS ${ULP_LD_TEMPLATE} ${SDKCONFIG_HEADER}
                    VERBATIM)
 add_custom_target(${ULP_APP_NAME}_ld_script
                   DEPENDS ${ULP_LD_SCRIPT}
diff --git a/components/ulp/project_include.cmake b/components/ulp/project_include.cmake
index bb261688ea..27341b93ef 100644
--- a/components/ulp/project_include.cmake
+++ b/components/ulp/project_include.cmake
@@ -60,7 +60,7 @@ function(ulp_embed_binary app_name s_sources exp_dep_srcs)
                             -DCOMPONENT_DIR=${COMPONENT_DIR}
                             -DCOMPONENT_INCLUDES=$<TARGET_PROPERTY:${COMPONENT_TARGET},INTERFACE_INCLUDE_DIRECTORIES>
                             -DIDF_PATH=${idf_path}
-                            -DSDKCONFIG=${SDKCONFIG_HEADER}
+                            -DSDKCONFIG_HEADER=${SDKCONFIG_HEADER}
                             -DPYTHON=${python}
                             -DULP_COCPU_IS_RISCV=${ULP_IS_RISCV}
                             ${extra_cmake_args}