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cleanup GLM find module

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This commit is contained in:
Stephen Birarda 2014-07-17 17:30:06 -07:00
parent c8902fe554
commit 498510b42e
1 changed files with 18 additions and 61 deletions

79
cmake/modules/FindGLM.cmake
View file

@ -1,67 +1,24 @@
# FindGLM - attempts to locate the glm matrix/vector library.
#
# This module defines the following variables (on success):
# GLM_INCLUDE_DIRS - where to find glm/glm.hpp
# GLM_FOUND - if the library was successfully located
#
# It is trying a few standard installation locations, but can be customized
# with the following variables:
# GLM_ROOT_DIR - root directory of a glm installation
# Headers are expected to be found in either:
# <GLM_ROOT_DIR>/glm/glm.hpp OR
# <GLM_ROOT_DIR>/include/glm/glm.hpp
# This variable can either be a cmake or environment
# variable. Note however that changing the value
# of the environment varible will NOT result in
# re-running the header search and therefore NOT
# adjust the variables set by this module.
# This is a modified version of the FindGLM module included with CMake.
# Copyright 2014 High Fidelity
# FindGLM.cmake
#
#=============================================================================
# Copyright 2012 Carsten Neumann
# Try to find GLM include path.
# Once done this will define
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# GLM_INCLUDE_DIRS
#
# Created on 7/17/2014 by Stephen Birarda
# Copyright 2014 High Fidelity, Inc.
#
# Distributed under the Apache License, Version 2.0.
# See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
#
if (GLM_INCLUDE_DIR)
set(GLM_INCLUDE_DIRS "${GLM_INCLUDE_DIR}")
set(GLM_FOUND TRUE)
else ()
# default search dirs
set(_glm_HEADER_SEARCH_DIRS "$ENV{HIFI_LIB_DIR}/glm" "/usr/include" "/usr/local/include")
# setup hints for GLM search
set(GLM_HEADER_SEARCH_HINTS "${GLM_ROOT_DIR}" "$ENV{GLM_ROOT_DIR}" "$ENV{HIFI_LIB_DIR}/glm")
# check environment variable
set(_glm_ENV_ROOT_DIR "$ENV{GLM_ROOT_DIR}")
# locate header
find_path(GLM_INCLUDE_DIR "glm/glm.hpp" HINTS ${GLM_HEADER_SEARCH_HINTS})
set(GLM_INCLUDE_DIRS "${GLM_INCLUDE_DIR}")
if (NOT GLM_ROOT_DIR AND _glm_ENV_ROOT_DIR)
set(GLM_ROOT_DIR "${_glm_ENV_ROOT_DIR}")
endif ()
# put user specified location at beginning of search
if (GLM_ROOT_DIR)
set(_glm_HEADER_SEARCH_DIRS "${GLM_ROOT_DIR}" "${GLM_ROOT_DIR}/include" "$ENV{HIFI_LIB_DIR}/glm" ${_glm_HEADER_SEARCH_DIRS})
ENDIF()
# locate header
find_path(GLM_INCLUDE_DIR "glm/glm.hpp" PATHS ${_glm_HEADER_SEARCH_DIRS})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLM DEFAULT_MSG GLM_INCLUDE_DIR)
if (GLM_FOUND)
set(GLM_INCLUDE_DIRS "${GLM_INCLUDE_DIR}")
if (NOT GLM_FIND_QUIETLY)
MESSAGE(STATUS "GLM_INCLUDE_DIR = ${GLM_INCLUDE_DIR}")
endif (NOT GLM_FIND_QUIETLY)
endif ()
endif ()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLM DEFAULT_MSG GLM_INCLUDE_DIRS)