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libssh2/cmake/FindMbedTLS.cmake
Viktor Szakats 3ae5ae3248 cmake: whitespace in Find modules [ci skip]
Cherry-picked from #1581
2025-04-25 15:04:58 +02:00

90 lines
2.9 KiB
CMake

# Copyright (C) The libssh2 project and its contributors.
# SPDX-License-Identifier: BSD-3-Clause
#
###########################################################################
# Find the mbedTLS library
#
# Input variables:
#
# - `MBEDTLS_INCLUDE_DIR`: The mbedTLS include directory.
# - `MBEDCRYPTO_LIBRARY`: Path to `mbedcrypto` library.
#
# Defines:
#
# - `MBEDTLS_FOUND`: System has mbedTLS.
# - `MBEDTLS_VERSION`: Version of mbedTLS.
# - `libssh2::mbedcrypto`: mbedcrypto library target.
set(_mbedtls_pc_requires "mbedcrypto")
if(LIBSSH2_USE_PKGCONFIG AND
NOT DEFINED MBEDTLS_INCLUDE_DIR AND
NOT DEFINED MBEDCRYPTO_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(_mbedtls ${_mbedtls_pc_requires})
endif()
if(_mbedtls_FOUND)
set(MbedTLS_FOUND TRUE)
set(MBEDTLS_FOUND TRUE)
set(MBEDTLS_VERSION ${_mbedtls_VERSION})
message(STATUS "Found MbedTLS (via pkg-config): ${_mbedtls_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")")
else()
set(_mbedtls_pc_requires "")
find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/version.h")
find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto")
unset(MBEDTLS_VERSION CACHE)
if(MBEDTLS_INCLUDE_DIR)
if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x
set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")
elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x
set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
else()
unset(_version_header)
endif()
if(_version_header)
set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"")
file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(MBEDTLS_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
unset(_version_header)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MbedTLS
REQUIRED_VARS
MBEDTLS_INCLUDE_DIR
MBEDCRYPTO_LIBRARY
VERSION_VAR
MBEDTLS_VERSION
)
if(MBEDTLS_FOUND)
set(_mbedtls_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set(_mbedtls_LIBRARIES ${MBEDCRYPTO_LIBRARY})
endif()
mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDCRYPTO_LIBRARY)
endif()
if(MBEDTLS_FOUND)
if(CMAKE_VERSION VERSION_LESS 3.13)
link_directories(${_mbedtls_LIBRARY_DIRS})
endif()
if(NOT TARGET libssh2::mbedcrypto)
add_library(libssh2::mbedcrypto INTERFACE IMPORTED)
set_target_properties(libssh2::mbedcrypto PROPERTIES
INTERFACE_LIBSSH2_PC_MODULES "${_mbedtls_pc_requires}"
INTERFACE_COMPILE_OPTIONS "${_mbedtls_CFLAGS}"
INTERFACE_INCLUDE_DIRECTORIES "${_mbedtls_INCLUDE_DIRS}"
INTERFACE_LINK_DIRECTORIES "${_mbedtls_LIBRARY_DIRS}"
INTERFACE_LINK_LIBRARIES "${_mbedtls_LIBRARIES}")
endif()
endif()