mirror of
https://github.com/espressif/esp-idf.git
synced 2026-06-04 20:26:38 +03:00
a217630b1e
This change improves build consistency across external projects integrated through CMake by ensuring that compiler flags defined in configuration files are passed correctly to the toolchain. It covers the majority of use cases, as external projects are typically also CMake-based. For projects that use a custom build system, users will still need to specify the required flags manually.
147 lines
5.0 KiB
CMake
147 lines
5.0 KiB
CMake
idf_build_get_property(target IDF_TARGET)
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idf_build_get_property(non_os_build NON_OS_BUILD)
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if(${target} STREQUAL "linux")
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return() # This component is not supported by the POSIX/Linux simulator
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endif()
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set(include_dirs "platform_include")
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if(non_os_build)
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# Bootloader builds need the platform_include directory (for assert.h), but nothing else
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idf_component_register(INCLUDE_DIRS platform_include)
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return()
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endif()
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set(srcs
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"src/init.c"
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"src/abort.c"
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"src/assert.c"
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"src/heap.c"
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"src/locks.c"
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"src/poll.c"
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"src/pthread.c"
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"src/random.c"
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"src/getentropy.c"
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"src/termios.c"
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"src/stdatomic.c"
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"src/time.c"
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"src/sysconf.c"
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"src/realpath.c"
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"src/scandir.c"
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"src/syscalls.c"
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"src/reent_syscalls.c"
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"src/port/esp_time_impl.c")
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if(CONFIG_STDATOMIC_S32C1I_SPIRAM_WORKAROUND)
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list(APPEND srcs "src/port/xtensa/stdatomic_s32c1i.c")
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endif()
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if(CONFIG_LIBC_OPTIMIZED_MISALIGNED_ACCESS)
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list(APPEND srcs
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"src/port/riscv/memcpy.c"
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"src/port/riscv/memmove.c"
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"src/string/memcmp.c"
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"src/port/riscv/strcpy.c"
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"src/string/strncpy.c"
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"src/string/strncmp.c"
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"src/port/riscv/strcmp.S")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_memcpy_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_memmove_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_memcmp_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_strcpy_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_strncpy_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_strncmp_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_strcmp_impl")
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endif()
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if(CONFIG_LIBC_NEWLIB)
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list(APPEND srcs
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"src/flockfile.c"
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"src/reent_init.c"
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"src/newlib_init.c")
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else()
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list(APPEND srcs
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"src/picolibc/picolibc_init.c"
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"src/picolibc/rand.c"
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"src/picolibc/open_memstream.c")
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endif()
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set(ldfragments "")
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list(APPEND ldfragments "src/esp_libc.lf" "src/system_libs.lf")
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if(CONFIG_LIBC_NEWLIB)
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list(APPEND ldfragments src/libc.lf)
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list(APPEND ldfragments src/libm.lf)
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else()
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list(APPEND ldfragments src/picolibc/libc.lf)
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endif()
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set(priv_reqs soc spi_flash)
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if(IDF_BUILD_V2)
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if(CONFIG_VFS_SUPPORT_IO)
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list(APPEND priv_reqs vfs)
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endif()
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endif()
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idf_component_register(SRCS "${srcs}"
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INCLUDE_DIRS platform_include
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PRIV_INCLUDE_DIRS priv_include
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PRIV_REQUIRES "${priv_reqs}"
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LDFRAGMENTS "${ldfragments}")
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# Toolchain libraries require code defined in this component
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idf_component_get_property(esp_libc esp_libc COMPONENT_LIB)
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target_link_libraries(${COMPONENT_LIB} INTERFACE c m ${CONFIG_COMPILER_RT_LIB_NAME} "$<TARGET_FILE:${esp_libc}>")
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set_source_files_properties(heap.c PROPERTIES COMPILE_FLAGS -fno-builtin)
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if(CONFIG_STDATOMIC_S32C1I_SPIRAM_WORKAROUND)
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set_source_files_properties("src/port/xtensa/stdatomic_s32c1i.c"
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PROPERTIES COMPILE_FLAGS "-mno-disable-hardware-atomics")
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endif()
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if(CONFIG_LIBC_OPTIMIZED_MISALIGNED_ACCESS)
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# TODO GCC-419 and IDF-13089: cleanup files
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set_source_files_properties("src/string/memcmp.c"
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"src/string/strncmp.c"
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"src/string/strncpy.c"
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"src/port/riscv/memcpy.c"
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"src/port/riscv/memmove.c"
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"src/port/riscv/strcpy.c"
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PROPERTIES COMPILE_FLAGS -O2)
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endif()
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# Forces the linker to include heap, syscall, pthread, assert, and retargetable locks from this component,
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# instead of the implementations provided by newlib.
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_heap_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_reent_syscalls_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_syscalls_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_pthread_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_assert_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_getentropy_impl")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_include_init_funcs")
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list(APPEND EXTRA_LINK_FLAGS "-u esp_libc_init_funcs")
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target_link_libraries(${COMPONENT_LIB} INTERFACE "${EXTRA_LINK_FLAGS}")
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if(CONFIG_LIBC_NEWLIB_NANO_FORMAT)
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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set(libc_dir_cmd ${CMAKE_C_COMPILER})
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string(REPLACE " " ";" cflags_list ${CMAKE_C_FLAGS})
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list(APPEND libc_dir_cmd ${cflags_list} "-print-file-name=libc.a")
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execute_process(
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COMMAND ${libc_dir_cmd}
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OUTPUT_VARIABLE libc_dir
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)
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get_filename_component(libc_dir ${libc_dir} DIRECTORY)
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target_link_directories(${COMPONENT_LIB} INTERFACE "${libc_dir}/nano")
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endif()
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endif()
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add_subdirectory(src/port)
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# if lwip is included in the build, add it as a public requirement so that
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# #include <sys/socket.h> works without any special provisions.
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idf_component_optional_requires(PUBLIC lwip)
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