ref: 387e9989a53af969dc9e3be1ca6869af21e189d6
dir: /cmake/FindOgg.cmake/
# - Find ogg
# Find the native ogg includes and libraries
#
# Ogg_INCLUDE_DIRS - where to find ogg.h, etc.
# Ogg_LIBRARIES - List of libraries when using ogg.
# Ogg_FOUND - True if ogg found.
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 ${PC_Ogg_VERSION})
find_path(Ogg_INCLUDE_DIR ogg/ogg.h
HINTS
${PC_Ogg_INCLUDEDIR}
${PC_Ogg_INCLUDE_DIRS}
${Ogg_ROOT})
# 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})
# 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)
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_DIR}"
IMPORTED_LOCATION "${Ogg_LIBRARY}")
endif()
endif()
mark_as_advanced(Ogg_INCLUDE_DIR Ogg_LIBRARY)