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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindGLUT
--------
Find OpenGL Utility Toolkit (GLUT) library and include files.
IMPORTED Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 3.1
This module defines the :prop_tgt:`IMPORTED` targets:
``GLUT::GLUT``
Defined if the system has GLUT.
Result Variables
^^^^^^^^^^^^^^^^
This module sets the following variables:
::
GLUT_INCLUDE_DIR, where to find GL/glut.h, etc.
GLUT_LIBRARIES, the libraries to link against
GLUT_FOUND, If false, do not try to use GLUT.
Also defined, but not for general use are:
::
GLUT_glut_LIBRARY = the full path to the glut library.
GLUT_Xmu_LIBRARY = the full path to the Xmu library.
GLUT_Xi_LIBRARY = the full path to the Xi Library.
.. versionadded:: 3.13
Debug and Release variants are found separately.
#]=======================================================================]
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
function(_add_glut_target_simple)
if(TARGET GLUT::GLUT)
return()
endif()
add_library(GLUT::GLUT INTERFACE IMPORTED)
if(GLUT_INCLUDE_DIRS)
target_include_directories(GLUT::GLUT SYSTEM
INTERFACE "${GLUT_INCLUDE_DIRS}")
endif()
if(GLUT_LIBRARIES)
target_link_libraries(GLUT::GLUT INTERFACE ${GLUT_LIBRARIES})
endif()
if(GLUT_LDFLAGS)
target_link_options(GLUT::GLUT INTERFACE ${GLUT_LDFLAGS})
endif()
if(GLUT_CFLAGS)
separate_arguments(GLUT_CFLAGS_SPLIT UNIX_COMMAND "${GLUT_CFLAGS}")
target_compile_options(GLUT::GLUT INTERFACE ${GLUT_CFLAGS_SPLIT})
endif()
set_property(TARGET GLUT::GLUT APPEND PROPERTY
IMPORTED_LOCATION "${GLUT_glut_LIBRARY}")
endfunction()
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(GLUT glut)
if(GLUT_FOUND)
# In the non-pkg-config code path we only provide GLUT_INCLUDE_DIR.
set(GLUT_INCLUDE_DIR "${GLUT_INCLUDE_DIRS}")
_add_glut_target_simple()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLUT REQUIRED_VARS GLUT_FOUND)
return()
endif()
endif()
if(WIN32)
find_path( GLUT_INCLUDE_DIR NAMES GL/glut.h
PATHS ${GLUT_ROOT_PATH}/include )
find_library( GLUT_glut_LIBRARY_RELEASE NAMES glut glut32 freeglut
PATHS
${OPENGL_LIBRARY_DIR}
${GLUT_ROOT_PATH}/Release
)
find_library( GLUT_glut_LIBRARY_DEBUG NAMES freeglutd
PATHS
${OPENGL_LIBRARY_DIR}
${GLUT_ROOT_PATH}/Debug
)
mark_as_advanced(GLUT_glut_LIBRARY_RELEASE GLUT_glut_LIBRARY_DEBUG)
select_library_configurations(GLUT_glut)
elseif(APPLE)
find_path(GLUT_INCLUDE_DIR glut.h ${OPENGL_LIBRARY_DIR})
find_library(GLUT_glut_LIBRARY GLUT DOC "GLUT library for OSX")
find_library(GLUT_cocoa_LIBRARY Cocoa DOC "Cocoa framework for OSX")
mark_as_advanced(GLUT_glut_LIBRARY GLUT_cocoa_LIBRARY)
if(GLUT_cocoa_LIBRARY AND NOT TARGET GLUT::Cocoa)
add_library(GLUT::Cocoa UNKNOWN IMPORTED)
# Cocoa should always be a Framework, but we check to make sure.
if(GLUT_cocoa_LIBRARY MATCHES "/([^/]+)\\.framework$")
set(_glut_cocoa "${GLUT_cocoa_LIBRARY}/${CMAKE_MATCH_1}")
if(EXISTS "${_glut_cocoa}.tbd")
string(APPEND _glut_cocoa ".tbd")
endif()
set_target_properties(GLUT::Cocoa PROPERTIES
IMPORTED_LOCATION "${_glut_cocoa}")
else()
set_target_properties(GLUT::Cocoa PROPERTIES
IMPORTED_LOCATION "${GLUT_cocoa_LIBRARY}")
endif()
endif()
else()
if(BEOS)
set(_GLUT_INC_DIR /boot/develop/headers/os/opengl)
set(_GLUT_glut_LIB_DIR /boot/develop/lib/x86)
else()
find_library( GLUT_Xi_LIBRARY Xi
/usr/openwin/lib
)
mark_as_advanced(GLUT_Xi_LIBRARY)
find_library( GLUT_Xmu_LIBRARY Xmu
/usr/openwin/lib
)
mark_as_advanced(GLUT_Xmu_LIBRARY)
if(GLUT_Xi_LIBRARY AND NOT TARGET GLUT::Xi)
add_library(GLUT::Xi UNKNOWN IMPORTED)
set_target_properties(GLUT::Xi PROPERTIES
IMPORTED_LOCATION "${GLUT_Xi_LIBRARY}")
endif()
if(GLUT_Xmu_LIBRARY AND NOT TARGET GLUT::Xmu)
add_library(GLUT::Xmu UNKNOWN IMPORTED)
set_target_properties(GLUT::Xmu PROPERTIES
IMPORTED_LOCATION "${GLUT_Xmu_LIBRARY}")
endif()
endif ()
find_path( GLUT_INCLUDE_DIR GL/glut.h
/usr/include/GL
/usr/openwin/share/include
/usr/openwin/include
/opt/graphics/OpenGL/include
/opt/graphics/OpenGL/contrib/libglut
${_GLUT_INC_DIR}
)
find_library( GLUT_glut_LIBRARY glut
/usr/openwin/lib
${_GLUT_glut_LIB_DIR}
)
unset(_GLUT_INC_DIR)
unset(_GLUT_glut_LIB_DIR)
endif()
mark_as_advanced(GLUT_glut_LIBRARY)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLUT REQUIRED_VARS GLUT_glut_LIBRARY GLUT_INCLUDE_DIR)
if (GLUT_FOUND)
# Is -lXi and -lXmu required on all platforms that have it?
# If not, we need some way to figure out what platform we are on.
set( GLUT_LIBRARIES
${GLUT_glut_LIBRARY}
)
foreach(v GLUT_Xmu_LIBRARY GLUT_Xi_LIBRARY GLUT_cocoa_LIBRARY)
if(${v})
list(APPEND GLUT_LIBRARIES ${${v}})
endif()
endforeach()
if(NOT TARGET GLUT::GLUT)
add_library(GLUT::GLUT UNKNOWN IMPORTED)
set_target_properties(GLUT::GLUT PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${GLUT_INCLUDE_DIR}")
if(GLUT_glut_LIBRARY MATCHES "/([^/]+)\\.framework$")
set(_glut_glut "${GLUT_glut_LIBRARY}/${CMAKE_MATCH_1}")
if(EXISTS "${_glut_glut}.tbd")
string(APPEND _glut_glut ".tbd")
endif()
set_target_properties(GLUT::GLUT PROPERTIES
IMPORTED_LOCATION "${_glut_glut}")
else()
if(GLUT_glut_LIBRARY_RELEASE)
set_property(TARGET GLUT::GLUT APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(GLUT::GLUT PROPERTIES
IMPORTED_LOCATION_RELEASE "${GLUT_glut_LIBRARY_RELEASE}")
endif()
if(GLUT_glut_LIBRARY_DEBUG)
set_property(TARGET GLUT::GLUT APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(GLUT::GLUT PROPERTIES
IMPORTED_LOCATION_DEBUG "${GLUT_glut_LIBRARY_DEBUG}")
endif()
if(NOT GLUT_glut_LIBRARY_RELEASE AND NOT GLUT_glut_LIBRARY_DEBUG)
set_property(TARGET GLUT::GLUT APPEND PROPERTY
IMPORTED_LOCATION "${GLUT_glut_LIBRARY}")
endif()
endif()
if(TARGET GLUT::Xmu)
set_property(TARGET GLUT::GLUT APPEND
PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Xmu)
endif()
if(TARGET GLUT::Xi)
set_property(TARGET GLUT::GLUT APPEND
PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Xi)
endif()
if(TARGET GLUT::Cocoa)
set_property(TARGET GLUT::GLUT APPEND
PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Cocoa)
endif()
endif()
#The following deprecated settings are for backwards compatibility with CMake1.4
set (GLUT_LIBRARY ${GLUT_LIBRARIES})
set (GLUT_INCLUDE_PATH ${GLUT_INCLUDE_DIR})
endif()
mark_as_advanced(GLUT_INCLUDE_DIR)
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