cmake,make: add dependencies on template included scripts

make/common.mk

@@ -2,6 +2,8 @@
 # and component makefiles (component_wrapper.mk)
 #
 
+PYTHON=$(call dequote,$(CONFIG_PYTHON))
+
 # Include project config makefile, if it exists.
 #
 # (Note that we only rebuild this makefile automatically for some

make/ldgen.mk

@@ -18,7 +18,8 @@ define ldgen_process_template
 $(BUILD_DIR_BASE)/ldgen.section_infos: $(LDGEN_SECTIONS_INFO_FILES) $(IDF_PATH)/make/ldgen.mk
 	printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(subst \,/,$(shell cygpath -w $(info)))\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
 
-$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos
+$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos \
+$(shell $(PYTHON) $(IDF_PATH)/tools/ldgen/lddeps.py $(abspath $(1)))
 	@echo 'Generating $(notdir $(2))'
 	$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
 		--input         $(1) \
@@ -36,7 +37,8 @@ define ldgen_process_template
 $(BUILD_DIR_BASE)/ldgen.section_infos: $(LDGEN_SECTIONS_INFO_FILES) $(IDF_PATH)/make/ldgen.mk
 	printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(info)\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
 
-$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos
+$(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos \
+$(shell $(PYTHON) $(IDF_PATH)/tools/ldgen/lddeps.py $(abspath $(1)))
 	@echo 'Generating $(notdir $(2))'
 	$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
 		--input         $(1) \

make/project.mk

@@ -417,7 +417,6 @@ export COMPILER_VERSION_STR COMPILER_VERSION_NUM GCC_NOT_5_2_0
 CPPFLAGS += -DGCC_NOT_5_2_0=$(GCC_NOT_5_2_0)
 export CPPFLAGS
 
-PYTHON=$(call dequote,$(CONFIG_PYTHON))
 
 # the app is the main executable built by the project
 APP_ELF:=$(BUILD_DIR_BASE)/$(PROJECT_NAME).elf

tools/cmake/ldgen.cmake

@@ -47,6 +47,18 @@ endfunction()
 # Passes a linker script template to the linker script generation tool for
 # processing
 function(ldgen_process_template template output)
+    get_filename_component(template ${template} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_LIST_DIR})
+    execute_process(COMMAND ${PYTHON} ${IDF_PATH}/tools/ldgen/lddeps.py ${template}
+                    OUTPUT_VARIABLE template_includes
+                    ERROR_VARIABLE template_includes_err
+                    )
+
+    if(template_includes_err)
+        message(FATAL_ERROR "Unable to parse linker script template for INCLUDEs\n" ${template_includes_err})
+    endif()
+
+    spaces2list(template_includes)
+
     file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/ldgen.section_infos
         CONTENT "$<JOIN:$<TARGET_PROPERTY:ldgen_section_infos,SECTIONS_INFO_FILES>,\n>")
 
@@ -65,7 +77,8 @@ function(ldgen_process_template template output)
         --env       "IDF_CMAKE=y"
         --env       "IDF_PATH=${IDF_PATH}"
         --env       "IDF_TARGET=${IDF_TARGET}"
-        DEPENDS     ${template} $<TARGET_PROPERTY:ldgen,FRAGMENT_FILES> ${SDKCONFIG} ldgen_section_infos
+        DEPENDS     ${template} $<TARGET_PROPERTY:ldgen,FRAGMENT_FILES> ${SDKCONFIG}
+                    ldgen_section_infos ${template_includes}
     )
 
     get_filename_component(output_name ${output} NAME)