esp-idf/components/esp32s2/CMakeLists.txt
Omar Chebib 831d470a75 build: fix linker scripts edition not triggering a rebuild
Fix the dependencies in CMakeLists files for triggering a relink
when linker script file is modified.
2021-05-06 12:19:01 +08:00

72 lines
2.8 KiB
CMake

idf_build_get_property(target IDF_TARGET)
idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER)
if(NOT "${target}" STREQUAL "esp32s2")
return()
endif()
if(BOOTLOADER_BUILD)
# For bootloader, all we need from esp32s2 is headers
idf_component_register(INCLUDE_DIRS include REQUIRES xtensa)
target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32s2.peripherals.ld")
else()
# Regular app build
set(srcs "cache_err_int.c"
"memprot.c"
"clk.c"
"crosscore_int.c"
"dport_access.c"
"hw_random.c"
"spiram.c"
"spiram_psram.c"
"system_api_esp32s2.c"
"esp_crypto_lock.c"
"esp_hmac.c"
"esp_ds.c")
set(include_dirs "include")
set(requires driver efuse xtensa)
# app_update is added here because cpu_start.c uses esp_ota_get_app_description() function.
# esp_timer is added here because cpu_start.c uses esp_timer
set(priv_requires
app_trace app_update bootloader_support esp_system log mbedtls nvs_flash
pthread spi_flash vfs espcoredump esp_common esp_timer)
set(fragments linker.lf ld/esp32s2_fragments.lf)
idf_component_register(SRCS "${srcs}"
INCLUDE_DIRS "${include_dirs}"
LDFRAGMENTS "${fragments}"
REQUIRES "${requires}"
PRIV_REQUIRES "${priv_requires}"
REQUIRED_IDF_TARGETS esp32s2)
target_linker_script(${COMPONENT_LIB} INTERFACE "${CMAKE_CURRENT_BINARY_DIR}/esp32s2_out.ld")
# Process the template file through the linker script generation mechanism, and use the output for linking the
# final binary
target_linker_script(${COMPONENT_LIB} INTERFACE
"${CMAKE_CURRENT_LIST_DIR}/ld/esp32s2.project.ld.in"
PROCESS "${CMAKE_CURRENT_BINARY_DIR}/ld/esp32s2.project.ld")
target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32s2.peripherals.ld")
target_link_libraries(${COMPONENT_LIB} PUBLIC gcc)
target_link_libraries(${COMPONENT_LIB} INTERFACE "-u call_user_start_cpu0")
idf_build_get_property(config_dir CONFIG_DIR)
# Preprocess esp32s2.ld linker script to include configuration, becomes esp32s2_out.ld
set(LD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ld)
add_custom_command(
OUTPUT esp32s2_out.ld
COMMAND "${CMAKE_C_COMPILER}" -C -P -x c -E -o esp32s2_out.ld -I ${config_dir} ${LD_DIR}/esp32s2.ld
MAIN_DEPENDENCY ${LD_DIR}/esp32s2.ld
DEPENDS ${sdkconfig_header}
COMMENT "Generating linker script..."
VERBATIM)
add_custom_target(esp32s2_linker_script DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/esp32s2_out.ld)
add_dependencies(${COMPONENT_LIB} esp32s2_linker_script)
endif()