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use system variable instead of custom one

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This commit is contained in:
Benoit Jacob 2009-06-25 01:06:53 +02:00
parent 903acf0d5c
commit 60e6ac3178
1 changed files with 12 additions and 7 deletions
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19
cmake/FindEigen2.cmake
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@ -1,4 +1,9 @@
# - Try to find Eigen2 lib
#
# This module supports requiring a minimum version, e.g. you can do
# find_package(Eigen2 2.0.3)
# to require version 2.0.3 to newer of Eigen2.
#
# Once done this will define
#
# EIGEN2_FOUND - system has eigen lib with correct version
@ -9,7 +14,7 @@
# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr>
# Redistribution and use is allowed according to the terms of the BSD license.
if(NOT EIGEN2_MIN_VERSION)
if(NOT Eigen2_FIND_VERSION)
if(NOT Eigen2_FIND_VERSION_MAJOR)
set(Eigen2_FIND_VERSION_MAJOR 2)
endif(NOT Eigen2_FIND_VERSION_MAJOR)
@ -20,8 +25,8 @@ if(NOT EIGEN2_MIN_VERSION)
set(Eigen2_FIND_VERSION_PATCH 0)
endif(NOT Eigen2_FIND_VERSION_PATCH)
set(EIGEN2_MIN_VERSION "${Eigen2_FIND_VERSION_MAJOR}.${Eigen2_FIND_VERSION_MINOR}.${Eigen2_FIND_VERSION_PATCH}")
endif(NOT EIGEN2_MIN_VERSION)
set(Eigen2_FIND_VERSION "${Eigen2_FIND_VERSION_MAJOR}.${Eigen2_FIND_VERSION_MINOR}.${Eigen2_FIND_VERSION_PATCH}")
endif(NOT Eigen2_FIND_VERSION)
macro(_eigen2_check_version)
file(READ "${EIGEN2_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header LIMIT 5000 OFFSET 1000)
@ -34,16 +39,16 @@ macro(_eigen2_check_version)
set(EIGEN2_MINOR_VERSION "${CMAKE_MATCH_1}")
set(EIGEN2_VERSION ${EIGEN2_WORLD_VERSION}.${EIGEN2_MAJOR_VERSION}.${EIGEN2_MINOR_VERSION})
if(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION})
if(${EIGEN2_VERSION} VERSION_LESS ${Eigen2_FIND_VERSION})
set(EIGEN2_VERSION_OK FALSE)
else(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION})
else(${EIGEN2_VERSION} VERSION_LESS ${Eigen2_FIND_VERSION})
set(EIGEN2_VERSION_OK TRUE)
endif(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION})
endif(${EIGEN2_VERSION} VERSION_LESS ${Eigen2_FIND_VERSION})
if(NOT EIGEN2_VERSION_OK)
message(STATUS "Eigen2 version ${EIGEN2_VERSION} found in ${EIGEN2_INCLUDE_DIR}, "
"but at least version ${EIGEN2_MIN_VERSION} is required")
"but at least version ${Eigen2_FIND_VERSION} is required")
endif(NOT EIGEN2_VERSION_OK)
endmacro(_eigen2_check_version)