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#[=======================================================================[.rst:
FindLZO
-------
Finds the LZO library.
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``LZO_FOUND``
True if the system has the LZO library.
``LZO_INCLUDE_DIRS``
Include directories needed to use LZO.
``LZO_LIBRARIES``
Libraries needed to link to LZO.
``LZO_VERSION``
The version of the LZO library which was found.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``LZO_INCLUDE_DIR``
The directory containing ``lzo/lzo1x.h``.
``LZO_LIBRARY``
The path to the LZO library.
#]=======================================================================]
find_package(PkgConfig QUIET)
pkg_check_modules(PC_LZO QUIET lzo2)
find_path(LZO_INCLUDE_DIR
NAMES lzo/lzo1x.h
PATHS ${PC_LZO_INCLUDE_DIRS}
)
find_library(LZO_LIBRARY
NAMES lzo2
PATHS ${PC_LZO_LIBRARY_DIRS}
)
# With vcpkg, the library path should contain both 'debug' and 'optimized'
# entries (see target_link_libraries() documentation for more information)
#
# NOTE: we only patch up when using vcpkg; the same issue might happen
# when not using vcpkg, but this is non-trivial to fix, as we have no idea
# what the paths are. With vcpkg we do. And we only official support vcpkg
# with Windows.
#
# NOTE: this is based on the assumption that the debug file has the same
# name as the optimized file. This is not always the case, but so far
# experiences has shown that in those case vcpkg CMake files do the right
# thing.
if(VCPKG_TOOLCHAIN AND LZO_LIBRARY)
if(LZO_LIBRARY MATCHES "/debug/")
set(LZO_LIBRARY_DEBUG ${LZO_LIBRARY})
string(REPLACE "/debug/lib/" "/lib/" LZO_LIBRARY_RELEASE ${LZO_LIBRARY})
else()
set(LZO_LIBRARY_RELEASE ${LZO_LIBRARY})
string(REPLACE "/lib/" "/debug/lib/" LZO_LIBRARY_DEBUG ${LZO_LIBRARY})
endif()
include(SelectLibraryConfigurations)
select_library_configurations(LZO)
endif()
set(LZO_VERSION ${PC_LZO_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LZO
FOUND_VAR LZO_FOUND
REQUIRED_VARS
LZO_LIBRARY
LZO_INCLUDE_DIR
VERSION_VAR LZO_VERSION
)
if(LZO_FOUND)
set(LZO_LIBRARIES ${LZO_LIBRARY})
set(LZO_INCLUDE_DIRS ${LZO_INCLUDE_DIR})
endif()
mark_as_advanced(
LZO_INCLUDE_DIR
LZO_LIBRARY
)
|
