112 lines
3.5 KiB
CMake
112 lines
3.5 KiB
CMake
# Some IDF-specific functions and functions
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include(crosstool_version_check)
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macro(idf_set_global_variables)
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set_default(EXTRA_COMPONENT_DIRS "")
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# PROJECT_PATH has the path to the IDF project (top-level cmake directory)
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#
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# (cmake calls this CMAKE_SOURCE_DIR, keeping old name for compatibility.)
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set(PROJECT_PATH "${CMAKE_SOURCE_DIR}")
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# Note: "main" is no longer a component...
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#
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set_default(COMPONENT_DIRS "${PROJECT_PATH}/components ${EXTRA_COMPONENT_DIRS} ${IDF_PATH}/components")
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spaces2list(COMPONENT_DIRS)
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spaces2list(COMPONENTS)
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endmacro()
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# Add all the IDF global compiler & preprocessor options
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# (applied to all components). Some are config-dependent
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#
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# If you only want to set options for a particular component,
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# don't call or edit this function. TODO DESCRIBE WHAT TO DO INSTEAD
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#
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function(idf_set_global_compiler_options)
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add_definitions(-DESP_PLATFORM)
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add_definitions(-DHAVE_CONFIG_H)
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if(CONFIG_OPTIMIZATION_LEVEL_RELEASE)
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add_compile_options(-Os)
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else()
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add_compile_options(-Og)
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endif()
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add_c_compile_options(-std=gnu99)
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add_cxx_compile_options(-std=gnu++11 -fno-rtti)
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if(CONFIG_CXX_EXCEPTIONS)
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add_cxx_compile_options(-fexceptions)
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else()
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add_cxx_compile_options(-fno-exceptions)
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endif()
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# Default compiler configuration
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add_compile_options(-ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib)
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# Default warnings configuration
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add_compile_options(-Wall -Werror=all -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Wno-unused-parameter -Wno-sign-compare)
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add_c_compile_options(-Wno-old-style-declaration)
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# Stack protection
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if(NOT BOOTLOADER_BUILD)
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if(CONFIG_STACK_CHECK_NORM)
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add_compile_options(-fstack-protector)
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elseif(CONFIG_STACK_CHECK_STRONG)
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add_compile_options(-fstack-protector-strong)
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elseif(CONFIG_STACK_CHECK_ALL)
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add_compile_options(-fstack-protector-all)
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endif()
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endif()
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if(CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED)
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add_definitions(-DNDEBUG)
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endif()
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# Always generate debug symbols (even in Release mode, these don't
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# go itno ther final binary
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add_compile_options(-ggdb)
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add_compile_options("-I${CMAKE_BINARY_DIR}") # for sdkconfig.h
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endfunction(idf_set_global_compiler_options)
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# Override add_executable to add IDF-specific
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# linker flags & map file to all built executables
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function(add_executable target)
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get_filename_component(basename ${target} NAME_WE)
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set(mapfile "${basename}.map")
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_add_executable(${ARGV})
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target_link_libraries(${target} "-Wl,--gc-sections -Wl,--cref -Wl,--Map=${mapfile} -Wl,--start-group")
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/${mapfile}")
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endfunction(add_executable)
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# Verify the IDF environment is configured correctly (environment, toolchain, etc)
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function(idf_verify_environment)
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# Check toolchain is configured properly in cmake
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if(NOT ( ${CMAKE_SYSTEM_NAME} STREQUAL "Generic" AND ${CMAKE_C_COMPILER} MATCHES xtensa))
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message(FATAL_ERROR "The parent project CMakeLists.txt file needs to set CMAKE_TOOLCHAIN_FILE "
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"before including this file. "
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"Update CMakeLists.txt to match the template project and delete CMakeCache.txt before "
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"re-running cmake.")
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endif()
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#
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# Warn if the toolchain version doesn't match
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#
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gcc_version_check("5.2.0")
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crosstool_version_check("1.22.0-80-g6c4433a")
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endfunction(idf_verify_environment)
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