OpenXLSX/Examples/cmake/FindLIBZIP.cmake
2022-06-22 21:41:34 +02:00

62 lines
2.3 KiB
CMake

find_package(ZLIB REQUIRED)
find_path(LIBZIP_INCLUDE_DIR NAMES zip.h)
mark_as_advanced(LIBZIP_INCLUDE_DIR)
find_library(LIBZIP_LIBRARY NAMES zip)
mark_as_advanced(LIBZIP_LIBRARY)
get_filename_component(_libzip_libdir ${LIBZIP_LIBRARY} DIRECTORY)
find_file(_libzip_pkgcfg libzip.pc
HINTS ${_libzip_libdir} ${LIBZIP_INCLUDE_DIR}/..
PATH_SUFFIXES pkgconfig lib/pkgconfig
NO_DEFAULT_PATH
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
LIBZIP
REQUIRED_VARS
LIBZIP_LIBRARY
LIBZIP_INCLUDE_DIR
_libzip_pkgcfg
)
if (LIBZIP_FOUND)
if (NOT TARGET libzip::zip)
add_library(libzip::zip UNKNOWN IMPORTED)
set_target_properties(libzip::zip
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${LIBZIP_INCLUDE_DIR}
INTERFACE_LINK_LIBRARIES ZLIB::ZLIB
IMPORTED_LOCATION ${LIBZIP_LIBRARY}
)
# (Ab)use the (always) installed pkgconfig file to check if BZip2 is required
file(STRINGS ${_libzip_pkgcfg} _have_extra_libs REGEX Libs)
if(_have_extra_libs MATCHES "-lbz2")
find_package(BZip2 REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES BZip2::BZip2)
endif()
if(_have_extra_libs MATCHES "-lcrypto")
find_package(OpenSSL REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES OpenSSL::Crypto)
endif()
if(_have_extra_libs MATCHES "-lgnutls")
find_package(GnuTLS::GnuTLS REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES GnuTLS::GnuTLS)
endif()
if(_have_extra_libs MATCHES "lgnutls")
find_package(Nettle::Nettle REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES Nettle::Nettle)
endif()
if(_have_extra_libs MATCHES "-llzma")
find_package(LibLZMA REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES LibLZMA::LibLZMA)
endif()
if(_have_extra_libs MATCHES "-lz")
find_package(ZLIB REQUIRED)
set_property(TARGET libzip::zip APPEND PROPERTY INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
endif()
endif()
endif()