mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
ee2f8b1a62
Jump tables placed in flash would cause issue with code that needed to be ran from IRAM. These optimizations are now always disabled.
145 lines
5.3 KiB
CMake
145 lines
5.3 KiB
CMake
cmake_minimum_required(VERSION 3.5)
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project(esp-idf C CXX ASM)
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if(CMAKE_CURRENT_LIST_DIR STREQUAL CMAKE_SOURCE_DIR)
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message(FATAL_ERROR "Current directory '${CMAKE_CURRENT_LIST_DIR}' is not buildable. "
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"Change directories to one of the example projects in '${CMAKE_CURRENT_LIST_DIR}/examples' and try "
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"again.")
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endif()
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unset(compile_options)
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unset(c_compile_options)
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unset(cxx_compile_options)
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unset(compile_definitions)
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unset(link_options)
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# Add the following build specifications here, since these seem to be dependent
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# on config values on the root Kconfig.
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if(NOT BOOTLOADER_BUILD)
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if(CONFIG_COMPILER_OPTIMIZATION_SIZE)
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list(APPEND compile_options "-Os")
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list(APPEND compile_options "-freorder-blocks")
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elseif(CONFIG_COMPILER_OPTIMIZATION_DEFAULT)
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list(APPEND compile_options "-Og")
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elseif(CONFIG_COMPILER_OPTIMIZATION_NONE)
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list(APPEND compile_options "-O0")
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elseif(CONFIG_COMPILER_OPTIMIZATION_PERF)
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list(APPEND compile_options "-O2")
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endif()
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else() # BOOTLOADER_BUILD
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if(CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE)
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list(APPEND compile_options "-Os")
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list(APPEND compile_options "-freorder-blocks")
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elseif(CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_DEBUG)
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list(APPEND compile_options "-Og")
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elseif(CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE)
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list(APPEND compile_options "-O0")
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elseif(CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF)
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list(APPEND compile_options "-O2")
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endif()
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endif()
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if(CONFIG_COMPILER_CXX_EXCEPTIONS)
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list(APPEND cxx_compile_options "-fexceptions")
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else()
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list(APPEND cxx_compile_options "-fno-exceptions")
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endif()
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if(CONFIG_COMPILER_CXX_RTTI)
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list(APPEND cxx_compile_options "-frtti")
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else()
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list(APPEND cxx_compile_options "-fno-rtti")
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list(APPEND link_options "-fno-rtti") # used to invoke correct multilib variant (no-rtti) during linking
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endif()
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if(CONFIG_COMPILER_DISABLE_GCC8_WARNINGS)
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list(APPEND compile_options "-Wno-parentheses"
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"-Wno-sizeof-pointer-memaccess"
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"-Wno-clobbered")
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list(APPEND compile_options "-Wno-format-overflow"
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"-Wno-stringop-truncation"
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"-Wno-misleading-indentation"
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"-Wno-cast-function-type"
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"-Wno-implicit-fallthrough"
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"-Wno-unused-const-variable"
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"-Wno-switch-unreachable"
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"-Wno-format-truncation"
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"-Wno-memset-elt-size"
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"-Wno-int-in-bool-context")
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endif()
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if(CONFIG_COMPILER_WARN_WRITE_STRINGS)
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list(APPEND compile_options "-Wwrite-strings")
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endif()
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if(CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE)
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list(APPEND compile_definitions "-DNDEBUG")
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endif()
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if(CONFIG_COMPILER_STACK_CHECK_MODE_NORM)
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list(APPEND compile_options "-fstack-protector")
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elseif(CONFIG_COMPILER_STACK_CHECK_MODE_STRONG)
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list(APPEND compile_options "-fstack-protector-strong")
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elseif(CONFIG_COMPILER_STACK_CHECK_MODE_ALL)
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list(APPEND compile_options "-fstack-protector-all")
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endif()
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if(CONFIG_COMPILER_DUMP_RTL_FILES)
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list(APPEND compile_options "-fdump-rtl-expand")
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endif()
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if(NOT ${CMAKE_C_COMPILER_VERSION} VERSION_LESS 8.0.0)
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if(CONFIG_COMPILER_HIDE_PATHS_MACROS)
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list(APPEND compile_options "-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=.")
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list(APPEND compile_options "-fmacro-prefix-map=${IDF_PATH}=IDF")
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endif()
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endif()
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# GCC-specific options
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if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
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list(APPEND compile_options "-fstrict-volatile-bitfields"
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"-Wno-error=unused-but-set-variable"
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)
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endif()
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list(APPEND link_options "-fno-lto")
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# Placing jump tables in flash would cause issues with code that required
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# to be placed in IRAM
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list(APPEND compile_options "-fno-jump-tables")
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list(APPEND compile_options "-fno-tree-switch-conversion")
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idf_build_set_property(COMPILE_OPTIONS "${compile_options}" APPEND)
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idf_build_set_property(C_COMPILE_OPTIONS "${c_compile_options}" APPEND)
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idf_build_set_property(CXX_COMPILE_OPTIONS "${cxx_compile_options}" APPEND)
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idf_build_set_property(COMPILE_DEFINITIONS "${compile_definitions}" APPEND)
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idf_build_set_property(LINK_OPTIONS "${link_options}" APPEND)
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idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
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# Add each component as a subdirectory, processing each component's CMakeLists.txt
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foreach(component_target ${build_component_targets})
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__component_get_property(dir ${component_target} COMPONENT_DIR)
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__component_get_property(_name ${component_target} COMPONENT_NAME)
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__component_get_property(prefix ${component_target} __PREFIX)
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__component_get_property(alias ${component_target} COMPONENT_ALIAS)
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set(COMPONENT_NAME ${_name})
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set(COMPONENT_DIR ${dir})
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set(COMPONENT_ALIAS ${alias})
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set(COMPONENT_PATH ${dir}) # for backward compatibility only, COMPONENT_DIR is preferred
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idf_build_get_property(build_prefix __PREFIX)
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set(__idf_component_context 1)
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if(NOT prefix STREQUAL build_prefix)
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add_subdirectory(${dir} ${prefix}_${_name})
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else()
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add_subdirectory(${dir} ${_name})
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endif()
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set(__idf_component_context 0)
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endforeach()
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