esp_common: simplify component build script

components/esp_common/CMakeLists.txt

@@ -1,56 +1,37 @@
 idf_build_get_property(target IDF_TARGET)
 
-
-if(BOOTLOADER_BUILD)
-    # For bootloader, all we need from esp_common is headers
-    idf_component_register(SRCS ${srcs}
-                           INCLUDE_DIRS include
-                           PRIV_REQUIRES soc)
-    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-Wl,--gc-sections")
-else()
-    # Regular app build
-    list(APPEND srcs "src/esp_err_to_name.c")
-
-    # Note: esp_ipc, esp_pm added as a public requirement to keep compatibility as to be located here.
-    idf_component_register(SRCS "${srcs}"
-                           INCLUDE_DIRS include
-                           REQUIRES ${target} espcoredump esp_timer esp_ipc esp_pm esp_hw_support
-                           PRIV_REQUIRES soc)
-
-    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_LIBRARIES "-Wl,--gc-sections")
-    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-Wl,--gc-sections")
-    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 4)
-
-    # List of components needed for the error codes list
-    set(optional_reqs ulp
-                      efuse
-                      esp_http_client
-                      esp_http_server
-                      bootloader_support
-                      nvs_flash
-                      esp_wifi
-                      app_update
-                      lwip
-                      spi_flash
-                      wpa_supplicant
-                      tcpip_adapter
-                      esp_serial_slave_link
-                      esp_netif
-                      soc
-                      esp-tls
-                      esp_https_ota)
-
-    idf_build_get_property(build_components BUILD_COMPONENTS)
-    foreach(req ${optional_reqs})
-        if(req IN_LIST build_components)
-            idf_component_get_property(req_lib ${req} COMPONENT_LIB)
-            target_link_libraries(${COMPONENT_LIB} PRIVATE ${req_lib})
-        endif()
-    endforeach()
-
-endif()
-
-if(CONFIG_IDF_ENV_FPGA)
-    # Forces the linker to include fpga stubs from this component
-    target_link_libraries(${COMPONENT_LIB} INTERFACE "-u esp_common_include_fpga_overrides")
-endif()
+list(APPEND srcs "src/esp_err_to_name.c")
+
+# Note: esp_ipc, esp_pm added as a public requirement to keep compatibility as to be located here.
+idf_component_register(SRCS "${srcs}"
+                        INCLUDE_DIRS include
+                        REQUIRES ${target})
+
+set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 4)
+
+# List of components needed for the error codes list
+set(optional_reqs ulp
+                    efuse
+                    esp_http_client
+                    esp_http_server
+                    bootloader_support
+                    nvs_flash
+                    esp_wifi
+                    app_update
+                    lwip
+                    spi_flash
+                    wpa_supplicant
+                    tcpip_adapter
+                    esp_serial_slave_link
+                    esp_netif
+                    soc
+                    esp-tls
+                    esp_https_ota)
+
+idf_build_get_property(build_components BUILD_COMPONENTS)
+foreach(req ${optional_reqs})
+    if(req IN_LIST build_components)
+        idf_component_get_property(req_lib ${req} COMPONENT_LIB)
+        target_link_libraries(${COMPONENT_LIB} PRIVATE ${req_lib})
+    endif()
+endforeach()

components/esp_system/CMakeLists.txt

@@ -1,64 +1,63 @@
-if(BOOTLOADER_BUILD)
-    # Bootloader relies on some Kconfig options defined in esp_system.
-    idf_component_register()
-    return()
-endif()
-
 idf_build_get_property(target IDF_TARGET)
 
-# Remove when sleep is brought up on master for C3 TODO ESP32-C3 IDF-2571
-set(srcs "esp_err.c"
-        "freertos_hooks.c"
-        "intr_alloc.c"
-        "int_wdt.c"
-        "esp_async_memcpy.c"
-        "panic.c"
-        "system_api.c"
-        "startup.c"
-        "system_time.c"
-        "stack_check.c"
-        "sleep_modes.c"
-        "task_wdt.c")
-
-if(NOT (${target} STREQUAL "esp32c3") )
-    list(APPEND srcs  "dbg_stubs.c")
-endif()
+set(srcs)
 
 if(CONFIG_IDF_ENV_FPGA)
     list(APPEND srcs "fpga_overrides.c")
 endif()
 
-idf_component_register(SRCS "${srcs}"
-                    INCLUDE_DIRS include
-                    PRIV_REQUIRES spi_flash
-                                  # [refactor-todo] requirements due to init code,
-                                  # should be removable once using component init functions
-                                  # link-time registration is used.
-                                  esp_pm app_update nvs_flash pthread app_trace esp_gdbstub esp_ipc
-                                  espcoredump
-                    LDFRAGMENTS "linker.lf")
-add_subdirectory(port)
+if(BOOTLOADER_BUILD)
+    # Bootloader relies on some Kconfig options defined in esp_system.
+    idf_component_register(SRCS "${srcs}")
+else()
+    list(APPEND srcs "esp_err.c"
+            "freertos_hooks.c"
+            "intr_alloc.c"
+            "int_wdt.c"
+            "esp_async_memcpy.c"
+            "panic.c"
+            "system_api.c"
+            "startup.c"
+            "system_time.c"
+            "stack_check.c"
+            "sleep_modes.c"
+            "task_wdt.c")
 
+    if(NOT (${target} STREQUAL "esp32c3") )
+        list(APPEND srcs  "dbg_stubs.c")
+    endif()
 
-# After system initialization, `start_app` (and its other cores variant) is called.
-# This is provided by the user or from another component. Since we can't establish
-# dependency on what we don't know, force linker to not drop the symbol regardless
-# of link line order.
-target_link_libraries(${COMPONENT_LIB} INTERFACE "-u start_app")
+    idf_component_register(SRCS "${srcs}"
+                        INCLUDE_DIRS include
+                        PRIV_REQUIRES spi_flash
+                                    # [refactor-todo] requirements due to init code,
+                                    # should be removable once using component init functions
+                                    # link-time registration is used.
+                                    esp_pm app_update nvs_flash pthread app_trace esp_gdbstub esp_ipc
+                                    espcoredump
+                        LDFRAGMENTS "linker.lf")
+    add_subdirectory(port)
 
-if(NOT CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE)
-    target_link_libraries(${COMPONENT_LIB} INTERFACE "-u start_app_other_cores")
-endif()
+    # After system initialization, `start_app` (and its other cores variant) is called.
+    # This is provided by the user or from another component. Since we can't establish
+    # dependency on what we don't know, force linker to not drop the symbol regardless
+    # of link line order.
+    target_link_libraries(${COMPONENT_LIB} INTERFACE "-u start_app")
+
+    if(NOT CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE)
+        target_link_libraries(${COMPONENT_LIB} INTERFACE "-u start_app_other_cores")
+    endif()
 
-# Disable stack protection in files which are involved in initialization of that feature
-set_source_files_properties(
-    "startup.c" "stack_check.c"
-    PROPERTIES COMPILE_FLAGS
-    -fno-stack-protector)
+    # Disable stack protection in files which are involved in initialization of that feature
+    set_source_files_properties(
+        "startup.c" "stack_check.c"
+        PROPERTIES COMPILE_FLAGS
+        -fno-stack-protector)
 
-if(NOT CMAKE_BUILD_EARLY_EXPANSION)
-    set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/sleep_modes.c" PROPERTIES
-                                COMPILE_FLAGS "-fno-jump-tables -fno-tree-switch-conversion")
+    if(NOT CMAKE_BUILD_EARLY_EXPANSION)
+        set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/sleep_modes.c" PROPERTIES
+                                    COMPILE_FLAGS "-fno-jump-tables -fno-tree-switch-conversion")
+    endif()
 endif()
 
 if(CONFIG_IDF_ENV_FPGA)

components/esp_system/component.mk

@@ -1,5 +1,12 @@
 ifdef IS_BOOTLOADER_BUILD
+
+ifndef CONFIG_IDF_ENV_FPGA
 COMPONENT_CONFIG_ONLY := 1
+else
+COMPONENT_SRCDIRS := .
+COMPONENT_OBJS += fpga_overrides.o
+endif
+
 else
 SOC_NAME := $(IDF_TARGET)
 
@@ -8,6 +15,10 @@ COMPONENT_ADD_INCLUDEDIRS := include
 COMPONENT_PRIV_INCLUDEDIRS := port/include port
 COMPONENT_ADD_LDFRAGMENTS += linker.lf
 
+ifndef CONFIG_IDF_ENV_FPGA
+COMPONENT_OBJEXCLUDE += fpga_overrides.o
+endif
+
 include $(COMPONENT_PATH)/port/soc/$(SOC_NAME)/component.mk
 
 # disable stack protection in files which are involved in initialization of that feature

tools/cmake/build.cmake

@@ -112,10 +112,13 @@ function(__build_set_default_build_specifications)
 
     list(APPEND cxx_compile_options "-std=gnu++11")
 
+    list(APPEND link_options "-Wl,--gc-sections")
+
     idf_build_set_property(COMPILE_DEFINITIONS "${compile_definitions}" APPEND)
     idf_build_set_property(COMPILE_OPTIONS "${compile_options}" APPEND)
     idf_build_set_property(C_COMPILE_OPTIONS "${c_compile_options}" APPEND)
     idf_build_set_property(CXX_COMPILE_OPTIONS "${cxx_compile_options}" APPEND)
+    idf_build_set_property(LINK_OPTIONS "${link_options}" APPEND)
 endfunction()
 
 #