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#-------------------------------------------------------------------------------
# Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# QCBOR is a library for encoding and decodingg CBOR objects, as per RFC8949
#-------------------------------------------------------------------------------
# External component details
set(QCBOR_URL "https://github.com/laurencelundblade/QCBOR.git" CACHE STRING "qcbor repository URL")
set(QCBOR_REFSPEC "master" CACHE STRING "qcbor git refspec")
set(QCBOR_INSTALL_PATH "${CMAKE_CURRENT_BINARY_DIR}/qcbor_install" CACHE PATH "qcbor installation directory")
set(QCBOR_PACKAGE_PATH "${QCBOR_INSTALL_PATH}/libqcbor/cmake" CACHE PATH "qcbor CMake package directory")
include(FetchContent)
# Checking git
find_program(GIT_COMMAND "git")
if (NOT GIT_COMMAND)
message(FATAL_ERROR "Please install git")
endif()
# Fetching qcbor
FetchContent_Declare(
qcbor
GIT_REPOSITORY ${QCBOR_URL}
GIT_TAG ${QCBOR_REFSPEC}
GIT_SHALLOW TRUE
)
# FetchContent_GetProperties exports qcbor_SOURCE_DIR and qcbor_BINARY_DIR variables
FetchContent_GetProperties(qcbor)
if(NOT qcbor_POPULATED)
message(STATUS "Fetching qcbor")
FetchContent_Populate(qcbor)
endif()
# Configure the qcbor library
execute_process(COMMAND
${CMAKE_COMMAND}
-DCMAKE_TOOLCHAIN_FILE=${TS_EXTERNAL_LIB_TOOLCHAIN_FILE}
-GUnix\ Makefiles
${qcbor_SOURCE_DIR}
WORKING_DIRECTORY
${qcbor_BINARY_DIR}
)
# Build the library
execute_process(COMMAND
${CMAKE_COMMAND} --build ${qcbor_BINARY_DIR} -j8
RESULT_VARIABLE _exec_error
)
if (_exec_error)
message(FATAL_ERROR "Build step of qcbor failed with ${_exec_error}.")
endif()
# Create an imported target to have clean abstraction in the build-system.
add_library(qcbor STATIC IMPORTED)
set_property(TARGET qcbor PROPERTY IMPORTED_LOCATION "${qcbor_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}qcbor${CMAKE_STATIC_LIBRARY_SUFFIX}")
set_property(TARGET qcbor PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${qcbor_SOURCE_DIR}/inc")
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