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#
# CMake build system design considerations:
#
# - Include directories:
# + Do not define include directories globally using the include_directories
# command but rather at the target level using the
# target_include_directories command. That way, it is easier to guarantee
# that targets are built using the proper list of include directories.
# + Use the PUBLIC and PRIVATE keywords to specify the scope of include
# directories. That way, a target linking to a library (using the
# target_link_libraries command) inherits from the library PUBLIC include
# directories and not from the PRIVATE ones.
# - TF_PSA_CRYPTO_TARGET_PREFIX: CMake targets are designed to be alterable by
# calling CMake in order to avoid target name clashes, via the use of
# TF_PSA_CRYPTO_TARGET_PREFIX. The value of this variable is prefixed to the
# tfpsacrypto and apidoc targets.
#
# We specify a minimum requirement of 3.10.2, but for now use 3.5.1 here
# until our infrastructure catches up.
cmake_minimum_required(VERSION 3.5.1)
# https://cmake.org/cmake/help/latest/policy/CMP0011.html
# Setting this policy is required in CMake >= 3.18.0, otherwise a warning is generated. The OLD
# policy setting is deprecated, and will be removed in future versions.
cmake_policy(SET CMP0011 NEW)
# https://cmake.org/cmake/help/latest/policy/CMP0012.html
# Setting the CMP0012 policy to NEW is required for FindPython3 to work with CMake 3.18.2
# (there is a bug in this particular version), otherwise, setting the CMP0012 policy is required
# for CMake versions >= 3.18.3 otherwise a deprecated warning is generated. The OLD policy setting
# is deprecated and will be removed in future versions.
cmake_policy(SET CMP0012 NEW)
if(LIB_INSTALL_DIR)
set(CMAKE_INSTALL_LIBDIR "${LIB_INSTALL_DIR}")
endif()
add_subdirectory(include)
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