keepassxc/cmake/FindBotan2.cmake
2021-11-16 07:01:48 -05:00

107 lines
3.9 KiB
CMake

# Copyright (c) 2018 Ribose Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#.rst:
# FindBotan2
# -----------
#
# Find the botan-2 library.
#
# IMPORTED Targets
# ^^^^^^^^^^^^^^^^
#
# This module defines :prop_tgt:`IMPORTED` targets:
#
# ``Botan2::Botan2``
# The botan-2 library, if found.
#
# Result variables
# ^^^^^^^^^^^^^^^^
#
# This module defines the following variables:
#
# ::
#
# BOTAN2_FOUND - true if the headers and library were found
# BOTAN2_INCLUDE_DIRS - where to find headers
# BOTAN2_LIBRARIES - list of libraries to link
# BOTAN2_VERSION - library version that was found, if any
# find the headers
find_path(BOTAN2_INCLUDE_DIR
NAMES botan/version.h
PATH_SUFFIXES botan-2
)
# find the library
find_library(BOTAN2_LIBRARY NAMES botan-2 libbotan-2 botan)
# determine the version
if(BOTAN2_INCLUDE_DIR AND EXISTS "${BOTAN2_INCLUDE_DIR}/botan/build.h")
file(STRINGS "${BOTAN2_INCLUDE_DIR}/botan/build.h" botan2_version_str
REGEX "^#define[\t ]+(BOTAN_VERSION_[A-Z]+)[\t ]+[0-9]+")
string(REGEX REPLACE ".*#define[\t ]+BOTAN_VERSION_MAJOR[\t ]+([0-9]+).*"
"\\1" _botan2_version_major "${botan2_version_str}")
string(REGEX REPLACE ".*#define[\t ]+BOTAN_VERSION_MINOR[\t ]+([0-9]+).*"
"\\1" _botan2_version_minor "${botan2_version_str}")
string(REGEX REPLACE ".*#define[\t ]+BOTAN_VERSION_PATCH[\t ]+([0-9]+).*"
"\\1" _botan2_version_patch "${botan2_version_str}")
set(BOTAN2_VERSION "${_botan2_version_major}.${_botan2_version_minor}.${_botan2_version_patch}"
CACHE INTERNAL "The version of Botan which was detected")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Botan2
REQUIRED_VARS BOTAN2_LIBRARY BOTAN2_INCLUDE_DIR
VERSION_VAR BOTAN2_VERSION
)
if(BOTAN2_FOUND)
set(BOTAN2_INCLUDE_DIRS ${BOTAN2_INCLUDE_DIR} ${PC_BOTAN2_INCLUDE_DIRS})
set(BOTAN2_LIBRARIES ${BOTAN2_LIBRARY})
endif()
if(BOTAN2_FOUND AND NOT TARGET Botan2::Botan2)
# create the new library target
add_library(Botan2::Botan2 UNKNOWN IMPORTED)
# set the required include dirs for the target
if(BOTAN2_INCLUDE_DIRS)
set_target_properties(Botan2::Botan2
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${BOTAN2_INCLUDE_DIRS}"
)
endif()
# set the required libraries for the target
if(EXISTS "${BOTAN2_LIBRARY}")
set_target_properties(Botan2::Botan2
PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${BOTAN2_LIBRARY}"
)
endif()
endif()
mark_as_advanced(BOTAN2_INCLUDE_DIR BOTAN2_LIBRARY)