Saxum/extern/acgl/cmake/FindGLM.cmake

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CMake
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2014-10-20 15:31:26 +00:00
# - Find GLM
# Find the native GLM headers
#
# GLM_INCLUDE_DIR - where to find glm.hpp, etc.
# GLM_FOUND - True if GLM found.
IF(GLM_FOUND)
# Already in cache, be silent
SET(GLM_FIND_QUIETLY TRUE)
ENDIF()
IF(BUILD_GLM OR ACGL_GLOBAL_EXTERN_DIR_FOUND_FIRST_TIME OR BUILD_TYPE_CHANGED)
UNSET(GLM_INCLUDE_DIR CACHE)
ENDIF()
# Look for the header file.
IF(BUILD_GLM)
SET(GLM_INCLUDE_DIR "${ACGL_LOCAL_EXTERN_DIR}/glm")
ELSEIF(ACGL_GLOBAL_EXTERN_DIR)
FIND_PATH(GLM_INCLUDE_DIR NAMES glm/glm.hpp PATHS "${ACGL_GLOBAL_EXTERN_DIR}/glm" NO_DEFAULT_PATH)
ENDIF()
IF(NOT GLM_INCLUDE_DIR)
FIND_PATH(GLM_INCLUDE_DIR NAMES glm/glm.hpp)
ENDIF()
# Copy the results to the output variables.
IF(GLM_INCLUDE_DIR)
SET(GLM_FOUND TRUE CACHE INTERNAL "")
ELSE()
SET(GLM_FOUND FALSE CACHE INTERNAL "")
ENDIF()
# Report the results.
IF(NOT GLM_FOUND)
SET(GLM_MESSAGE "GLM was not found. Make sure GLM_INCLUDE_DIR is set to the directories containing the include files for GLM.")
IF(GLM_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "${GLM_MESSAGE}")
ELSEIF(NOT GLM_FIND_QUIETLY)
MESSAGE(STATUS "${GLM_MESSAGE}")
ENDIF()
ELSEIF(NOT GLM_FIND_QUIETLY)
MESSAGE(STATUS "Looking for GLM - found")
ENDIF()
MESSAGE(STATUS "GLM_INCLUDE_DIR:${GLM_INCLUDE_DIR}")