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Diffstat (limited to 'cmake/Modules/FindBotan2.cmake')
| -rw-r--r-- | cmake/Modules/FindBotan2.cmake | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/cmake/Modules/FindBotan2.cmake b/cmake/Modules/FindBotan2.cmake new file mode 100644 index 0000000..2708491 --- /dev/null +++ b/cmake/Modules/FindBotan2.cmake @@ -0,0 +1,131 @@ +# Copyright (c) 2018-2020 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 + +# use pkg-config to get the directories and then use these values +# in the find_path() and find_library() calls +find_package(PkgConfig QUIET) +pkg_check_modules(PC_BOTAN2 QUIET botan-2) + +# find the headers +find_path(BOTAN2_INCLUDE_DIR + NAMES botan/version.h + HINTS + ${PC_BOTAN2_INCLUDEDIR} + ${PC_BOTAN2_INCLUDE_DIRS} + PATH_SUFFIXES botan-2 +) + +# find the library +if(MSVC) + find_library(BOTAN2_LIBRARY + NAMES botan + HINTS + ${PC_BOTAN2_LIBDIR} + ${PC_BOTAN2_LIBRARY_DIRS} + ) +else() + find_library(BOTAN2_LIBRARY + NAMES botan-2 libbotan-2 + HINTS + ${PC_BOTAN2_LIBDIR} + ${PC_BOTAN2_LIBRARY_DIRS} + ) +endif() + +# determine the version +if(PC_BOTAN2_VERSION) + set(BOTAN2_VERSION ${PC_BOTAN2_VERSION}) +elseif(BOTAN2_INCLUDE_DIR AND EXISTS "${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) + |