mirror of
https://github.com/libssh2/libssh2.git
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78 lines
2.5 KiB
CMake
78 lines
2.5 KiB
CMake
# Copyright (C) The libssh2 project and its contributors.
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# SPDX-License-Identifier: BSD-3-Clause
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#
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###########################################################################
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# Find the Libgcrypt library
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#
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# Input variables:
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#
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# - `LIBGCRYPT_INCLUDE_DIR`: The Libgcrypt include directory.
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# - `LIBGCRYPT_LIBRARY`: Path to `libgcrypt` library.
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#
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# Defines:
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#
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# - `LIBGCRYPT_FOUND`: System has Libgcrypt.
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# - `LIBGCRYPT_VERSION`: Version of Libgcrypt.
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# - `libssh2::libgcrypt`: libgcrypt library target.
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set(_libgcrypt_pc_requires "libgcrypt")
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if(LIBSSH2_USE_PKGCONFIG AND
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NOT DEFINED LIBGCRYPT_INCLUDE_DIR AND
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NOT DEFINED LIBGCRYPT_LIBRARY)
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find_package(PkgConfig QUIET)
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pkg_check_modules(_libgcrypt ${_libgcrypt_pc_requires})
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endif()
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if(_libgcrypt_FOUND)
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set(Libgcrypt_FOUND TRUE)
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set(LIBGCRYPT_FOUND TRUE)
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set(LIBGCRYPT_VERSION ${_libgcrypt_VERSION})
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message(STATUS "Found Libgcrypt (via pkg-config): ${_libgcrypt_INCLUDE_DIRS} (found version \"${LIBGCRYPT_VERSION}\")")
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else()
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find_path(LIBGCRYPT_INCLUDE_DIR NAMES "gcrypt.h")
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find_library(LIBGCRYPT_LIBRARY NAMES "gcrypt" "libgcrypt")
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unset(LIBGCRYPT_VERSION CACHE)
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if(LIBGCRYPT_INCLUDE_DIR AND EXISTS "${LIBGCRYPT_INCLUDE_DIR}/gcrypt.h")
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set(_version_regex "#[\t ]*define[\t ]+GCRYPT_VERSION[\t ]+\"([^\"]*)\"")
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file(STRINGS "${LIBGCRYPT_INCLUDE_DIR}/gcrypt.h" _version_str REGEX "${_version_regex}")
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string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
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set(LIBGCRYPT_VERSION "${_version_str}")
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unset(_version_regex)
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unset(_version_str)
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Libgcrypt
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REQUIRED_VARS
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LIBGCRYPT_INCLUDE_DIR
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LIBGCRYPT_LIBRARY
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VERSION_VAR
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LIBGCRYPT_VERSION
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)
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if(LIBGCRYPT_FOUND)
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set(_libgcrypt_INCLUDE_DIRS ${LIBGCRYPT_INCLUDE_DIR})
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set(_libgcrypt_LIBRARIES ${LIBGCRYPT_LIBRARY})
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endif()
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mark_as_advanced(LIBGCRYPT_INCLUDE_DIR LIBGCRYPT_LIBRARY)
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endif()
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if(LIBGCRYPT_FOUND)
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if(CMAKE_VERSION VERSION_LESS 3.13)
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link_directories(${_libgcrypt_LIBRARY_DIRS})
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endif()
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if(NOT TARGET libssh2::libgcrypt)
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add_library(libssh2::libgcrypt INTERFACE IMPORTED)
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set_target_properties(libssh2::libgcrypt PROPERTIES
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INTERFACE_LIBSSH2_PC_MODULES "${_libgcrypt_pc_requires}"
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INTERFACE_COMPILE_OPTIONS "${_libgcrypt_CFLAGS}"
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INTERFACE_INCLUDE_DIRECTORIES "${_libgcrypt_INCLUDE_DIRS}"
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INTERFACE_LINK_DIRECTORIES "${_libgcrypt_LIBRARY_DIRS}"
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INTERFACE_LINK_LIBRARIES "${_libgcrypt_LIBRARIES}")
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endif()
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endif()
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