esp-idf/components/esp_rom/CMakeLists.txt

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CMake

idf_build_get_property(target IDF_TARGET)
if(BOOTLOADER_BUILD)
# For bootloader, all we need is headers
idf_component_register(INCLUDE_DIRS include)
set(scripts
"${target}/ld/${target}.rom.ld"
"${target}/ld/${target}.rom.newlib-funcs.ld"
"${target}/ld/${target}.rom.libgcc.ld"
)
if (target STREQUAL "esp32s2beta")
list(APPEND scripts "esp32s2beta/ld/esp32s2beta.rom.spiflash.ld")
endif()
target_linker_script(${COMPONENT_LIB} INTERFACE "${scripts}")
else()
# Regular app build
idf_component_register(SRCS "esp_rom.c"
INCLUDE_DIRS include)
set(scripts
"${target}/ld/${target}.rom.ld"
"${target}/ld/${target}.rom.libgcc.ld"
"${target}/ld/${target}.rom.newlib-data.ld")
if (target STREQUAL "esp32")
list(APPEND scripts "${target}/ld/${target}.rom.syscalls.ld")
if(NOT CONFIG_SPIRAM_CACHE_WORKAROUND)
list(APPEND scripts "esp32/ld/esp32.rom.newlib-funcs.ld")
endif()
if(CONFIG_NEWLIB_NANO_FORMAT)
list(APPEND scripts "esp32/ld/esp32.rom.newlib-nano.ld")
endif()
if(NOT GCC_NOT_5_2_0)
list(APPEND scripts "esp32/ld/esp32.rom.newlib-locale.ld")
endif()
if(NOT CONFIG_SPI_FLASH_ROM_DRIVER_PATCH)
list(APPEND scripts "esp32/ld/esp32.rom.spiflash.ld")
endif()
elseif(target STREQUAL "esp32s2beta")
# no SPIRAM workaround for esp32s2beta
# no nano formatting function in ROM
# no GCC 5.2.0 for esp32s2beta, hence not linking locale functions
list(APPEND scripts "esp32s2beta/ld/esp32s2beta.rom.newlib-funcs.ld"
"esp32s2beta/ld/esp32s2beta.rom.spiflash.ld")
endif()
target_linker_script(${COMPONENT_LIB} INTERFACE "${scripts}")
endif()