a4d17b34f3
Add three package config files for mbedtls, mbedcrypto and mbedx509. Also update various project variables so the generated PC files have the required data needed without hardcoding it everywhere. This will help distros package the project following existing conventsions between a normal and -devel package that includes the headers and .pc files for pkg-config aware consumers. Fixes: #228 Signed-off-by: Bill Roberts <bill.roberts@arm.com>
411 lines
18 KiB
CMake
411 lines
18 KiB
CMake
#
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# CMake build system design considerations:
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#
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# - Include directories:
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# + Do not define include directories globally using the include_directories
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# command but rather at the target level using the
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# target_include_directories command. That way, it is easier to guarantee
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# that targets are built using the proper list of include directories.
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# + Use the PUBLIC and PRIVATE keywords to specify the scope of include
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# directories. That way, a target linking to a library (using the
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# target_link_libraries command) inherits from the library PUBLIC include
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# directories and not from the PRIVATE ones.
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# - MBEDTLS_TARGET_PREFIX: CMake targets are designed to be alterable by calling
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# CMake in order to avoid target name clashes, via the use of
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# MBEDTLS_TARGET_PREFIX. The value of this variable is prefixed to the
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# mbedtls, mbedx509, mbedcrypto and apidoc targets.
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#
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# We specify a minimum requirement of 3.10.2, but for now use 3.5.1 here
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# until our infrastructure catches up.
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cmake_minimum_required(VERSION 3.5.1)
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include(CMakePackageConfigHelpers)
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# https://cmake.org/cmake/help/latest/policy/CMP0011.html
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# Setting this policy is required in CMake >= 3.18.0, otherwise a warning is generated. The OLD
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# policy setting is deprecated, and will be removed in future versions.
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cmake_policy(SET CMP0011 NEW)
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# https://cmake.org/cmake/help/latest/policy/CMP0012.html
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# Setting the CMP0012 policy to NEW is required for FindPython3 to work with CMake 3.18.2
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# (there is a bug in this particular version), otherwise, setting the CMP0012 policy is required
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# for CMake versions >= 3.18.3 otherwise a deprecated warning is generated. The OLD policy setting
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# is deprecated and will be removed in future versions.
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cmake_policy(SET CMP0012 NEW)
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if(TEST_CPP)
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project("Mbed TLS" LANGUAGES C CXX)
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else()
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project("Mbed TLS" LANGUAGES C)
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endif()
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include(GNUInstallDirs)
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# Determine if Mbed TLS is being built as a subproject using add_subdirectory()
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if(NOT DEFINED MBEDTLS_AS_SUBPROJECT)
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set(MBEDTLS_AS_SUBPROJECT ON)
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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set(MBEDTLS_AS_SUBPROJECT OFF)
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endif()
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endif()
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# Set the project root directory.
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set(MBEDTLS_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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option(ENABLE_PROGRAMS "Build Mbed TLS programs." ON)
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option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF)
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option(MBEDTLS_FATAL_WARNINGS "Compiler warnings treated as errors" ON)
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if(CMAKE_HOST_WIN32)
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# N.B. The comment on the next line is significant! If you change it,
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# edit the sed command in prepare_release.sh that modifies
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# CMakeLists.txt.
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option(GEN_FILES "Generate the auto-generated files as needed" OFF) # off in development
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else()
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option(GEN_FILES "Generate the auto-generated files as needed" ON)
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endif()
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option(DISABLE_PACKAGE_CONFIG_AND_INSTALL "Disable package configuration, target export and installation" ${MBEDTLS_AS_SUBPROJECT})
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string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
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string(REGEX MATCH "GNU" CMAKE_COMPILER_IS_GNU "${CMAKE_C_COMPILER_ID}")
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string(REGEX MATCH "IAR" CMAKE_COMPILER_IS_IAR "${CMAKE_C_COMPILER_ID}")
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string(REGEX MATCH "MSVC" CMAKE_COMPILER_IS_MSVC "${CMAKE_C_COMPILER_ID}")
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# the test suites currently have compile errors with MSVC
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if(CMAKE_COMPILER_IS_MSVC)
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option(ENABLE_TESTING "Build Mbed TLS tests." OFF)
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else()
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option(ENABLE_TESTING "Build Mbed TLS tests." ON)
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endif()
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# Warning string - created as a list for compatibility with CMake 2.8
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set(CTR_DRBG_128_BIT_KEY_WARN_L1 "**** WARNING! MBEDTLS_CTR_DRBG_USE_128_BIT_KEY defined!\n")
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set(CTR_DRBG_128_BIT_KEY_WARN_L2 "**** Using 128-bit keys for CTR_DRBG limits the security of generated\n")
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set(CTR_DRBG_128_BIT_KEY_WARN_L3 "**** keys and operations that use random values generated to 128-bit security\n")
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set(CTR_DRBG_128_BIT_KEY_WARNING "${WARNING_BORDER}"
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"${CTR_DRBG_128_BIT_KEY_WARN_L1}"
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"${CTR_DRBG_128_BIT_KEY_WARN_L2}"
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"${CTR_DRBG_128_BIT_KEY_WARN_L3}"
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"${WARNING_BORDER}")
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# Python 3 is only needed here to check for configuration warnings.
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if(NOT CMAKE_VERSION VERSION_LESS 3.15.0)
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set(Python3_FIND_STRATEGY LOCATION)
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find_package(Python3 COMPONENTS Interpreter)
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if(Python3_Interpreter_FOUND)
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set(MBEDTLS_PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
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endif()
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else()
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find_package(PythonInterp 3)
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if(PYTHONINTERP_FOUND)
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set(MBEDTLS_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
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endif()
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endif()
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if(MBEDTLS_PYTHON_EXECUTABLE)
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# If 128-bit keys are configured for CTR_DRBG, display an appropriate warning
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execute_process(COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/include/mbedtls/mbedtls_config.h get MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
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RESULT_VARIABLE result)
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if(${result} EQUAL 0)
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message(WARNING ${CTR_DRBG_128_BIT_KEY_WARNING})
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endif()
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endif()
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# If this is the root project add longer list of available CMAKE_BUILD_TYPE values
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE}
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CACHE STRING "Choose the type of build: None Debug Release Coverage ASan ASanDbg MemSan MemSanDbg Check CheckFull TSan TSanDbg"
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FORCE)
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endif()
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# Make MBEDTLS_CONFIG_FILE and MBEDTLS_USER_CONFIG_FILE into PATHs
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set(MBEDTLS_CONFIG_FILE "" CACHE FILEPATH "Mbed TLS config file (overrides default).")
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set(MBEDTLS_USER_CONFIG_FILE "" CACHE FILEPATH "Mbed TLS user config file (appended to default).")
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# Create a symbolic link from ${base_name} in the binary directory
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# to the corresponding path in the source directory.
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# Note: Copies the file(s) on Windows.
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function(link_to_source base_name)
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set(link "${CMAKE_CURRENT_BINARY_DIR}/${base_name}")
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set(target "${CMAKE_CURRENT_SOURCE_DIR}/${base_name}")
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# Linking to non-existent file is not desirable. At best you will have a
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# dangling link, but when building in tree, this can create a symbolic link
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# to itself.
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if (EXISTS ${target} AND NOT EXISTS ${link})
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if (CMAKE_HOST_UNIX)
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execute_process(COMMAND ln -s ${target} ${link}
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RESULT_VARIABLE result
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ERROR_VARIABLE output)
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if (NOT ${result} EQUAL 0)
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message(FATAL_ERROR "Could not create symbolic link for: ${target} --> ${output}")
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endif()
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else()
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if (IS_DIRECTORY ${target})
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file(GLOB_RECURSE files FOLLOW_SYMLINKS LIST_DIRECTORIES false RELATIVE ${target} "${target}/*")
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foreach(file IN LISTS files)
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configure_file("${target}/${file}" "${link}/${file}" COPYONLY)
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endforeach(file)
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else()
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configure_file(${target} ${link} COPYONLY)
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endif()
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endif()
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endif()
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endfunction(link_to_source)
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# Get the filename without the final extension (i.e. convert "a.b.c" to "a.b")
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function(get_name_without_last_ext dest_var full_name)
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# Split into a list on '.' (but a cmake list is just a ';'-separated string)
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string(REPLACE "." ";" ext_parts "${full_name}")
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# Remove the last item if there are more than one
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list(LENGTH ext_parts ext_parts_len)
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if (${ext_parts_len} GREATER "1")
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math(EXPR ext_parts_last_item "${ext_parts_len} - 1")
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list(REMOVE_AT ext_parts ${ext_parts_last_item})
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endif()
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# Convert back to a string by replacing separators with '.'
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string(REPLACE ";" "." no_ext_name "${ext_parts}")
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# Copy into the desired variable
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set(${dest_var} ${no_ext_name} PARENT_SCOPE)
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endfunction(get_name_without_last_ext)
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string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
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include(CheckCCompilerFlag)
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set(CMAKE_C_EXTENSIONS OFF)
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set(CMAKE_C_STANDARD 99)
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if(CMAKE_COMPILER_IS_GNU)
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# some warnings we want are not available with old GCC versions
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# note: starting with CMake 2.8 we could use CMAKE_C_COMPILER_VERSION
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execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
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OUTPUT_VARIABLE GCC_VERSION)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings")
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if (GCC_VERSION VERSION_GREATER 3.0 OR GCC_VERSION VERSION_EQUAL 3.0)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat=2 -Wno-format-nonliteral")
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endif()
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if (GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wvla")
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endif()
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if (GCC_VERSION VERSION_GREATER 4.5 OR GCC_VERSION VERSION_EQUAL 4.5)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wlogical-op")
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endif()
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if (GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
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endif()
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if (GCC_VERSION VERSION_GREATER 5.0)
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CHECK_C_COMPILER_FLAG("-Wformat-signedness" C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS)
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if(C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat-signedness")
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endif()
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endif()
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if (GCC_VERSION VERSION_GREATER 7.0 OR GCC_VERSION VERSION_EQUAL 7.0)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wformat-overflow=2 -Wformat-truncation")
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endif()
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set(CMAKE_C_FLAGS_RELEASE "-O2")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
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set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_TSAN "-fsanitize=thread -O3")
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set(CMAKE_C_FLAGS_TSANDBG "-fsanitize=thread -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_CHECK "-Os")
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set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
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endif(CMAKE_COMPILER_IS_GNU)
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if(CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral")
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set(CMAKE_C_FLAGS_RELEASE "-O2")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")
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set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
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set(CMAKE_C_FLAGS_ASANDBG "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_MEMSAN "-fsanitize=memory -O3")
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set(CMAKE_C_FLAGS_MEMSANDBG "-fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
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set(CMAKE_C_FLAGS_TSAN "-fsanitize=thread -O3")
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set(CMAKE_C_FLAGS_TSANDBG "-fsanitize=thread -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
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set(CMAKE_C_FLAGS_CHECK "-Os")
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endif(CMAKE_COMPILER_IS_CLANG)
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if(CMAKE_COMPILER_IS_IAR)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warn_about_c_style_casts")
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set(CMAKE_C_FLAGS_RELEASE "-Ohz")
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set(CMAKE_C_FLAGS_DEBUG "--debug -On")
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endif(CMAKE_COMPILER_IS_IAR)
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if(CMAKE_COMPILER_IS_MSVC)
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# Strictest warnings, UTF-8 source and execution charset
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /utf-8")
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endif(CMAKE_COMPILER_IS_MSVC)
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if(MBEDTLS_FATAL_WARNINGS)
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if(CMAKE_COMPILER_IS_MSVC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
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endif(CMAKE_COMPILER_IS_MSVC)
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if(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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if(UNSAFE_BUILD)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=cpp")
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set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error=cpp")
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set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error=cpp")
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endif(UNSAFE_BUILD)
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endif(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
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if (CMAKE_COMPILER_IS_IAR)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warnings_are_errors")
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endif(CMAKE_COMPILER_IS_IAR)
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endif(MBEDTLS_FATAL_WARNINGS)
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if(CMAKE_BUILD_TYPE STREQUAL "Coverage")
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if(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_SHARED_LINKER_FLAGS "--coverage")
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endif(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG)
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endif(CMAKE_BUILD_TYPE STREQUAL "Coverage")
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if(LIB_INSTALL_DIR)
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set(CMAKE_INSTALL_LIBDIR "${LIB_INSTALL_DIR}")
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endif()
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add_subdirectory(include)
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add_subdirectory(3rdparty)
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add_subdirectory(library)
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add_subdirectory(pkgconfig)
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#
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# The C files in tests/src directory contain test code shared among test suites
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# and programs. This shared test code is compiled and linked to test suites and
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# programs objects as a set of compiled objects. The compiled objects are NOT
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# built into a library that the test suite and program objects would link
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# against as they link against the mbedcrypto, mbedx509 and mbedtls libraries.
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# The reason is that such library is expected to have mutual dependencies with
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# the aforementioned libraries and that there is as of today no portable way of
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# handling such dependencies (only toolchain specific solutions).
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#
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# Thus the below definition of the `mbedtls_test` CMake library of objects
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# target. This library of objects is used by tests and programs CMake files
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# to define the test executables.
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#
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if(ENABLE_TESTING OR ENABLE_PROGRAMS)
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file(GLOB MBEDTLS_TEST_FILES
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${CMAKE_CURRENT_SOURCE_DIR}/tests/src/*.c
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${CMAKE_CURRENT_SOURCE_DIR}/tests/src/drivers/*.c)
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add_library(mbedtls_test OBJECT ${MBEDTLS_TEST_FILES})
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target_include_directories(mbedtls_test
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/tests/include
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/library)
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file(GLOB MBEDTLS_TEST_HELPER_FILES
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${CMAKE_CURRENT_SOURCE_DIR}/tests/src/test_helpers/*.c)
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add_library(mbedtls_test_helpers OBJECT ${MBEDTLS_TEST_HELPER_FILES})
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target_include_directories(mbedtls_test_helpers
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/tests/include
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/library
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/everest/include)
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# Pass-through MBEDTLS_CONFIG_FILE and MBEDTLS_USER_CONFIG_FILE
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if(MBEDTLS_CONFIG_FILE)
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target_compile_definitions(mbedtls_test
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PUBLIC MBEDTLS_CONFIG_FILE="${MBEDTLS_CONFIG_FILE}")
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target_compile_definitions(mbedtls_test_helpers
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PUBLIC MBEDTLS_CONFIG_FILE="${MBEDTLS_CONFIG_FILE}")
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endif()
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if(MBEDTLS_USER_CONFIG_FILE)
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target_compile_definitions(mbedtls_test
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PUBLIC MBEDTLS_USER_CONFIG_FILE="${MBEDTLS_USER_CONFIG_FILE}")
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target_compile_definitions(mbedtls_test_helpers
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PUBLIC MBEDTLS_USER_CONFIG_FILE="${MBEDTLS_USER_CONFIG_FILE}")
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endif()
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endif()
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if(ENABLE_PROGRAMS)
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add_subdirectory(programs)
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endif()
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ADD_CUSTOM_TARGET(${MBEDTLS_TARGET_PREFIX}apidoc
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COMMAND doxygen mbedtls.doxyfile
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doxygen)
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if(ENABLE_TESTING)
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enable_testing()
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add_subdirectory(tests)
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# additional convenience targets for Unix only
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if(UNIX)
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# For coverage testing:
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# 1. Build with:
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# cmake -D CMAKE_BUILD_TYPE=Coverage /path/to/source && make
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# 2. Run the relevant tests for the part of the code you're interested in.
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# For the reference coverage measurement, see
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# tests/scripts/basic-build-test.sh
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# 3. Run scripts/lcov.sh to generate an HTML report.
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ADD_CUSTOM_TARGET(lcov
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COMMAND scripts/lcov.sh
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)
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ADD_CUSTOM_TARGET(memcheck
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COMMAND sed -i.bak s+/usr/bin/valgrind+`which valgrind`+ DartConfiguration.tcl
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COMMAND ctest -O memcheck.log -D ExperimentalMemCheck
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COMMAND tail -n1 memcheck.log | grep 'Memory checking results:' > /dev/null
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COMMAND rm -f memcheck.log
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COMMAND mv DartConfiguration.tcl.bak DartConfiguration.tcl
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)
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endif(UNIX)
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# Make scripts needed for testing available in an out-of-source build.
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if (NOT ${CMAKE_CURRENT_BINARY_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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link_to_source(scripts)
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# Copy (don't link) DartConfiguration.tcl, needed for memcheck, to
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# keep things simple with the sed commands in the memcheck target.
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/DartConfiguration.tcl
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${CMAKE_CURRENT_BINARY_DIR}/DartConfiguration.tcl COPYONLY)
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endif()
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endif()
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if(NOT DISABLE_PACKAGE_CONFIG_AND_INSTALL)
|
|
configure_package_config_file(
|
|
"cmake/MbedTLSConfig.cmake.in"
|
|
"cmake/MbedTLSConfig.cmake"
|
|
INSTALL_DESTINATION "cmake")
|
|
|
|
write_basic_package_version_file(
|
|
"cmake/MbedTLSConfigVersion.cmake"
|
|
COMPATIBILITY SameMajorVersion
|
|
VERSION 3.5.1)
|
|
|
|
install(
|
|
FILES "${CMAKE_CURRENT_BINARY_DIR}/cmake/MbedTLSConfig.cmake"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/cmake/MbedTLSConfigVersion.cmake"
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/MbedTLS")
|
|
|
|
export(
|
|
EXPORT MbedTLSTargets
|
|
NAMESPACE MbedTLS::
|
|
FILE "cmake/MbedTLSTargets.cmake")
|
|
|
|
install(
|
|
EXPORT MbedTLSTargets
|
|
NAMESPACE MbedTLS::
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/MbedTLS"
|
|
FILE "MbedTLSTargets.cmake")
|
|
|
|
if(CMAKE_VERSION VERSION_GREATER 3.15 OR CMAKE_VERSION VERSION_EQUAL 3.15)
|
|
# Do not export the package by default
|
|
cmake_policy(SET CMP0090 NEW)
|
|
|
|
# Make this package visible to the system
|
|
export(PACKAGE MbedTLS)
|
|
endif()
|
|
endif()
|