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improvements in FindEigen*.cmake, ported from changes in CMakeLists.txt:

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- better regular expression
 - grep the whole file, not expensive anyway, more robust
This commit is contained in:
Benoit Jacob 2009-11-20 10:17:59 -05:00
parent 34be9d4537
commit 3c5e32f0da
2 changed files with 8 additions and 8 deletions
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8
cmake/FindEigen2.cmake
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@ -29,13 +29,13 @@ if(NOT Eigen2_FIND_VERSION)
endif(NOT Eigen2_FIND_VERSION)
macro(_eigen2_check_version)
file(READ "${EIGEN2_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header LIMIT 5000 OFFSET 1000)
file(READ "${EIGEN2_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header)
string(REGEX MATCH "define *EIGEN_WORLD_VERSION ([0-9]*)" _eigen2_world_version_match "${_eigen2_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen2_world_version_match "${_eigen2_version_header}")
set(EIGEN2_WORLD_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define *EIGEN_MAJOR_VERSION ([0-9]*)" _eigen2_major_version_match "${_eigen2_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen2_major_version_match "${_eigen2_version_header}")
set(EIGEN2_MAJOR_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define *EIGEN_MINOR_VERSION ([0-9]*)" _eigen2_minor_version_match "${_eigen2_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen2_minor_version_match "${_eigen2_version_header}")
set(EIGEN2_MINOR_VERSION "${CMAKE_MATCH_1}")
set(EIGEN2_VERSION ${EIGEN2_WORLD_VERSION}.${EIGEN2_MAJOR_VERSION}.${EIGEN2_MINOR_VERSION})

8
cmake/FindEigen3.cmake
View File

@ -29,13 +29,13 @@ if(NOT Eigen3_FIND_VERSION)
endif(NOT Eigen3_FIND_VERSION)
macro(_eigen3_check_version)
file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header LIMIT 5000 OFFSET 1000)
file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header)
string(REGEX MATCH "define *EIGEN_WORLD_VERSION ([0-9]*)" _eigen3_world_version_match "${_eigen3_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen3_world_version_match "${_eigen3_version_header}")
set(EIGEN3_WORLD_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define *EIGEN_MAJOR_VERSION ([0-9]*)" _eigen3_major_version_match "${_eigen3_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen3_major_version_match "${_eigen3_version_header}")
set(EIGEN3_MAJOR_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define *EIGEN_MINOR_VERSION ([0-9]*)" _eigen3_minor_version_match "${_eigen3_version_header}")
string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen3_minor_version_match "${_eigen3_version_header}")
set(EIGEN3_MINOR_VERSION "${CMAKE_MATCH_1}")
set(EIGEN3_VERSION ${EIGEN3_WORLD_VERSION}.${EIGEN3_MAJOR_VERSION}.${EIGEN3_MINOR_VERSION})