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# - Try to find libarchive
# Once done this will define
#
# LIBARCHIVE_FOUND - system has libarchive
# LIBARCHIVE_INCLUDE_DIR - the libarchive include directory
# LIBARCHIVE_LIBRARY - Link this to use libarchive
# HAVE_LIBARCHIVE_GZIP_SUPPORT - whether libarchive has been compiled with gzip support
# HAVE_LIBARCHIVE_LZMA_SUPPORT - whether libarchive has been compiled with lzma support
# HAVE_LIBARCHIVE_XZ_SUPPORT - whether libarchive has been compiled with xz support
#
# Copyright (c) 2006, Pino Toscano, <toscano.pino@tiscali.it>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
include(CheckLibraryExists)
if (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
# in cache already
set(LIBARCHIVE_FOUND TRUE)
else (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
find_path(LIBARCHIVE_INCLUDE_DIR archive.h
${GNUWIN32_DIR}/include
)
find_library(LIBARCHIVE_LIBRARY NAMES archive libarchive archive2 libarchive2
PATHS
${GNUWIN32_DIR}/lib
)
if (LIBARCHIVE_LIBRARY)
check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_gzip "" HAVE_LIBARCHIVE_GZIP_SUPPORT)
check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_lzma "" HAVE_LIBARCHIVE_LZMA_SUPPORT)
check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_xz "" HAVE_LIBARCHIVE_XZ_SUPPORT)
endif (LIBARCHIVE_LIBRARY)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibArchive DEFAULT_MSG LIBARCHIVE_INCLUDE_DIR LIBARCHIVE_LIBRARY HAVE_LIBARCHIVE_GZIP_SUPPORT)
mark_as_advanced(LIBARCHIVE_INCLUDE_DIR LIBARCHIVE_LIBRARY HAVE_LIBARCHIVE_GZIP_SUPPORT HAVE_LIBARCHIVE_LZMA_SUPPORT)
endif (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
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