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# Copyright (C) The libssh2 project and its contributors.
# SPDX-License-Identifier: BSD-3-Clause
#
###########################################################################
# Find the libgcrypt library
#
# Input variables:
#
# LIBGCRYPT_INCLUDE_DIR The libgcrypt include directory
# LIBGCRYPT_LIBRARY Path to libgcrypt library
#
# Result variables:
#
# LIBGCRYPT_FOUND System has libgcrypt
# LIBGCRYPT_INCLUDE_DIRS The libgcrypt include directories
# LIBGCRYPT_LIBRARIES The libgcrypt library names
# LIBGCRYPT_LIBRARY_DIRS The libgcrypt library directories
# LIBGCRYPT_CFLAGS Required compiler flags
# LIBGCRYPT_VERSION Version of libgcrypt
if((UNIX OR VCPKG_TOOLCHAIN OR (MINGW AND NOT CMAKE_CROSSCOMPILING)) AND
NOT DEFINED LIBGCRYPT_INCLUDE_DIR AND
NOT DEFINED LIBGCRYPT_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(LIBGCRYPT "libgcrypt")
endif()
if(LIBGCRYPT_FOUND)
string(REPLACE ";" " " LIBGCRYPT_CFLAGS "${LIBGCRYPT_CFLAGS}")
message(STATUS "Found Libgcrypt (via pkg-config): ${LIBGCRYPT_INCLUDE_DIRS} (found version \"${LIBGCRYPT_VERSION}\")")
else()
find_path(LIBGCRYPT_INCLUDE_DIR NAMES "gcrypt.h")
find_library(LIBGCRYPT_LIBRARY NAMES "gcrypt" "libgcrypt")
if(LIBGCRYPT_INCLUDE_DIR AND EXISTS "${LIBGCRYPT_INCLUDE_DIR}/gcrypt.h")
set(_version_regex "#[\t ]*define[\t ]+GCRYPT_VERSION[\t ]+\"([^\"]*)\"")
file(STRINGS "${LIBGCRYPT_INCLUDE_DIR}/gcrypt.h" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(LIBGCRYPT_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libgcrypt
REQUIRED_VARS
LIBGCRYPT_INCLUDE_DIR
LIBGCRYPT_LIBRARY
VERSION_VAR
LIBGCRYPT_VERSION
)
if(LIBGCRYPT_FOUND)
set(LIBGCRYPT_INCLUDE_DIRS ${LIBGCRYPT_INCLUDE_DIR})
set(LIBGCRYPT_LIBRARIES ${LIBGCRYPT_LIBRARY})
endif()
mark_as_advanced(LIBGCRYPT_INCLUDE_DIR LIBGCRYPT_LIBRARY)
endif()
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