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FindOpenSceneGraph: simplify by using more features of FPHSA

This commit is contained in:
Rolf Eike Beer 2012-08-19 21:06:28 +02:00
parent eb8b0bea6f
commit 248db6c034
1 changed files with 12 additions and 70 deletions
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70
Modules/FindOpenSceneGraph.cmake
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@ -145,23 +145,6 @@ if(OSG_INCLUDE_DIR)
endif()
endif()
#
# Version checking
#
if(OpenSceneGraph_FIND_VERSION AND OPENSCENEGRAPH_VERSION)
if(OpenSceneGraph_FIND_VERSION_EXACT)
if(NOT OPENSCENEGRAPH_VERSION VERSION_EQUAL ${OpenSceneGraph_FIND_VERSION})
set(_osg_version_not_exact TRUE)
endif()
else()
# version is too low
if(NOT OPENSCENEGRAPH_VERSION VERSION_EQUAL ${OpenSceneGraph_FIND_VERSION} AND
NOT OPENSCENEGRAPH_VERSION VERSION_GREATER ${OpenSceneGraph_FIND_VERSION})
set(_osg_version_not_high_enough TRUE)
endif()
endif()
endif()
set(_osg_quiet)
if(OpenSceneGraph_FIND_QUIETLY)
set(_osg_quiet "QUIET")
@ -189,64 +172,23 @@ if(OPENSCENEGRAPH_INCLUDE_DIR)
list(REMOVE_DUPLICATES OPENSCENEGRAPH_INCLUDE_DIR)
endif()
#
# Inform the users with an error message based on
# what version they have vs. what version was
# required.
#
if(OpenSceneGraph_FIND_REQUIRED)
set(_osg_version_output_type FATAL_ERROR)
else()
set(_osg_version_output_type STATUS)
endif()
if(_osg_version_not_high_enough)
set(_osg_EPIC_FAIL TRUE)
if(NOT OpenSceneGraph_FIND_QUIETLY)
message(${_osg_version_output_type}
"ERROR: Version ${OpenSceneGraph_FIND_VERSION} or higher of the OSG "
"is required. Version ${OPENSCENEGRAPH_VERSION} was found.")
endif()
elseif(_osg_version_not_exact)
set(_osg_EPIC_FAIL TRUE)
if(NOT OpenSceneGraph_FIND_QUIETLY)
message(${_osg_version_output_type}
"ERROR: Version ${OpenSceneGraph_FIND_VERSION} of the OSG is required "
"(exactly), version ${OPENSCENEGRAPH_VERSION} was found.")
endif()
else()
#
# Check each module to see if it's found
#
set(_osg_component_founds)
if(OpenSceneGraph_FIND_REQUIRED)
set(_osg_missing_message)
foreach(_osg_module ${_osg_modules_to_process})
string(TOUPPER ${_osg_module} _osg_module_UC)
if(NOT ${_osg_module_UC}_FOUND)
set(_osg_missing_nodekit_fail true)
set(_osg_missing_message "${_osg_missing_message} ${_osg_module}")
endif()
list(APPEND _osg_component_founds ${_osg_module_UC}_FOUND)
endforeach()
if(_osg_missing_nodekit_fail)
message(FATAL_ERROR "ERROR: Missing the following osg "
"libraries: ${_osg_missing_message}.\n"
"Consider using CMAKE_PREFIX_PATH or the OSG_DIR "
"environment variable. See the "
"${CMAKE_CURRENT_LIST_FILE} for more details.")
endif()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenSceneGraph DEFAULT_MSG OPENSCENEGRAPH_LIBRARIES OPENSCENEGRAPH_INCLUDE_DIR)
endif()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenSceneGraph
REQUIRED_VARS OPENSCENEGRAPH_LIBRARIES OPENSCENEGRAPH_INCLUDE_DIR ${_osg_component_founds}
VERSION_VAR OPENSCENEGRAPH_VERSION)
if(_osg_EPIC_FAIL)
# Zero out everything, we didn't meet version requirements
set(OPENSCENEGRAPH_FOUND FALSE)
set(OPENSCENEGRAPH_LIBRARIES)
set(OPENSCENEGRAPH_INCLUDE_DIR)
endif()
unset(_osg_component_founds)
set(OPENSCENEGRAPH_INCLUDE_DIRS ${OPENSCENEGRAPH_INCLUDE_DIR})