esp-idf/components/spiffs/CMakeLists.txt

idf_build_get_property(target IDF_TARGET)

set(original_srcs "spiffs/src/spiffs_cache.c"
                  "spiffs/src/spiffs_check.c"
                  "spiffs/src/spiffs_gc.c"
                  "spiffs/src/spiffs_hydrogen.c"
                  "spiffs/src/spiffs_nucleus.c")

list(APPEND srcs "spiffs_api.c" ${original_srcs})

if(NOT ${target} STREQUAL "linux")
    list(APPEND pr bootloader_support esptool_py vfs)
    list(APPEND srcs "esp_spiffs.c")
endif()

idf_component_register(SRCS ${srcs}
                       INCLUDE_DIRS "include"
                       PRIV_INCLUDE_DIRS "." "spiffs/src"
                       REQUIRES esp_partition
                       PRIV_REQUIRES ${pr} spi_flash)

if(CMAKE_C_COMPILER_ID MATCHES "GNU")
    set_source_files_properties(spiffs/src/spiffs_nucleus.c PROPERTIES COMPILE_FLAGS -Wno-stringop-truncation)
endif()

# Upstream SPIFFS code uses format specifiers in debug logging macros inconsistently
set_source_files_properties(${original_srcs} PROPERTIES COMPILE_FLAGS -Wno-format)