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https://github.com/zephyrproject-rtos/zephyr
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Update the files which contain no license information with the 'Apache-2.0' SPDX license identifier. Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of Zephyr, which is Apache version 2. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
63 lines
2.3 KiB
CMake
63 lines
2.3 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.13.1)
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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
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project(external_lib)
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target_sources(app PRIVATE src/main.c)
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# The external static library that we are linking with does not know
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# how to build for this platform so we export all the flags used in
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# this zephyr build to the external build system.
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#
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# Other external build systems may be self-contained enough that they
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# do not need any build information from zephyr. Or they may be
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# incompatible with certain zephyr options and need them to be
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# filtered out.
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zephyr_get_include_directories_for_lang_as_string( C includes)
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zephyr_get_system_include_directories_for_lang_as_string(C system_includes)
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zephyr_get_compile_definitions_for_lang_as_string( C definitions)
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zephyr_get_compile_options_for_lang_as_string( C options)
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set(external_project_cflags
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"${includes} ${definitions} ${options} ${system_includes}"
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)
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include(ExternalProject)
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# Add an external project to be able download and build the third
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# party library. In this case downloading is not necessary as it has
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# been committed to the repository.
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set(mylib_src_dir ${CMAKE_CURRENT_SOURCE_DIR}/mylib)
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set(mylib_build_dir ${CMAKE_CURRENT_BINARY_DIR}/mylib)
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set(MYLIB_LIB_DIR ${mylib_build_dir}/lib)
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set(MYLIB_INCLUDE_DIR ${mylib_src_dir}/include)
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ExternalProject_Add(
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mylib_project # Name for custom target
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PREFIX ${mylib_build_dir} # Root dir for entire project
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SOURCE_DIR ${mylib_src_dir}
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BINARY_DIR ${mylib_src_dir} # This particular build system is invoked from the root
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CONFIGURE_COMMAND "" # Skip configuring the project, e.g. with autoconf
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BUILD_COMMAND
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make
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PREFIX=${mylib_build_dir}
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CC=${CMAKE_C_COMPILER}
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AR=${CMAKE_AR}
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CFLAGS=${external_project_cflags}
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INSTALL_COMMAND "" # This particular build system has no install command
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BUILD_BYPRODUCTS ${MYLIB_LIB_DIR}/libmylib.a
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)
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# Create a wrapper CMake library that our app can link with
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add_library(mylib_lib STATIC IMPORTED GLOBAL)
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add_dependencies(
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mylib_lib
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mylib_project
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)
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set_target_properties(mylib_lib PROPERTIES IMPORTED_LOCATION ${MYLIB_LIB_DIR}/libmylib.a)
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set_target_properties(mylib_lib PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${MYLIB_INCLUDE_DIR})
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target_link_libraries(app PUBLIC mylib_lib)
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