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FindOgg.cmake
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FindOgg.cmake
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#[=======================================================================[.rst:
FindOgg
--------
Find the native Ogg includes and library.
IMPORTED Targets
^^^^^^^^^^^^^^^^
This module defines :prop_tgt:`IMPORTED` target ``Ogg::ogg``, if
Ogg has been found.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables:
::
OGG_INCLUDE_DIRS - where to find ogg.h, etc.
OGG_LIBRARIES - List of libraries when using ogg.
OGG_FOUND - True if ogg found.
::
OGG_VERSION_STRING - The version of ogg found (x.y.z)
Hints
^^^^^
A user may set ``OGG_ROOT`` to a ogg installation root to tell this
module where to look.
#]=======================================================================]
if(OGG_INCLUDE_DIR)
# Already in cache, be silent
set(OGG_FIND_QUIETLY TRUE)
endif()
find_package(PkgConfig QUIET)
pkg_check_modules(PC_OGG QUIET ogg)
set(OGG_VERSION_STRING ${PC_OGG_VERSION})
find_path(OGG_INCLUDE_DIR ogg/ogg.h
HINTS
${PC_OGG_INCLUDEDIR}
${PC_OGG_INCLUDE_DIRS}
${OGG_ROOT}
PATH_SUFFIXES
include
)
# MSVC built ogg may be named ogg_static.
# The provided project files name the library with the lib prefix.
find_library(OGG_LIBRARY
NAMES
ogg
ogg_static
libogg
libogg_static
HINTS
${PC_OGG_LIBDIR}
${PC_OGG_LIBRARY_DIRS}
${OGG_ROOT}
PATH_SUFFIXES
lib
)
# Handle the QUIETLY and REQUIRED arguments and set OGG_FOUND
# to TRUE if all listed variables are TRUE.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Ogg
REQUIRED_VARS
OGG_LIBRARY
OGG_INCLUDE_DIR
VERSION_VAR
OGG_VERSION_STRING
)
if(OGG_FOUND)
set(OGG_LIBRARIES ${OGG_LIBRARY})
set(OGG_INCLUDE_DIRS ${OGG_INCLUDE_DIR})
if(NOT TARGET Ogg::ogg)
add_library(Ogg::ogg UNKNOWN IMPORTED)
set_target_properties(Ogg::ogg PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OGG_INCLUDE_DIRS}"
IMPORTED_LOCATION "${OGG_LIBRARIES}"
)
endif()
endif()
mark_as_advanced(OGG_INCLUDE_DIR OGG_LIBRARY)