curl/CMake/FindBearSSL.cmake

#***************************************************************************
#                                  _   _ ____  _
#  Project                     ___| | | |  _ \| |
#                             / __| | | | |_) | |
#                            | (__| |_| |  _ <| |___
#                             \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
# Find the BearSSL library
#
# Input variables:
#
# - `BEARSSL_INCLUDE_DIR`:   The BearSSL include directory.
# - `BEARSSL_LIBRARY`:       Path to `bearssl` library.
#
# Result variables:
#
# - `BEARSSL_FOUND`:         System has BearSSL.
# - `BEARSSL_INCLUDE_DIRS`:  The BearSSL include directories.
# - `BEARSSL_LIBRARIES`:     The BearSSL library names.

if(DEFINED BEARSSL_INCLUDE_DIRS AND NOT DEFINED BEARSSL_INCLUDE_DIR)
  message(WARNING "BEARSSL_INCLUDE_DIRS is deprecated, use BEARSSL_INCLUDE_DIR instead.")
  set(BEARSSL_INCLUDE_DIR "${BEARSSL_INCLUDE_DIRS}")
  unset(BEARSSL_INCLUDE_DIRS)
endif()

find_path(BEARSSL_INCLUDE_DIR NAMES "bearssl.h")
find_library(BEARSSL_LIBRARY NAMES "bearssl")

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(BearSSL
  REQUIRED_VARS
    BEARSSL_INCLUDE_DIR
    BEARSSL_LIBRARY
)

if(BEARSSL_FOUND)
  set(BEARSSL_INCLUDE_DIRS ${BEARSSL_INCLUDE_DIR})
  set(BEARSSL_LIBRARIES    ${BEARSSL_LIBRARY})
endif()

mark_as_advanced(BEARSSL_INCLUDE_DIR BEARSSL_LIBRARY)