diff options
| -rw-r--r-- | CMakeLists.txt | 36 | ||||
| -rw-r--r-- | cmake/FindEigen2.cmake | 73 |
2 files changed, 96 insertions, 13 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ffbf23d85..1d84e9107 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,19 +1,29 @@ project(Eigen) -set(EIGEN_VERSION_NUMBER "2.0.52-unstable") -#if the svnversion program is absent, this will leave the SVN_REVISION string empty, -#but won't stop CMake. -execute_process(COMMAND svnversion -n ${CMAKE_SOURCE_DIR} - OUTPUT_VARIABLE EIGEN_SVNVERSION_OUTPUT) - -#we only want EIGEN_SVN_REVISION if it is an actual revision number, not a string like "exported" -string(REGEX MATCH "^[0-9]+.*" EIGEN_SVN_REVISION "${EIGEN_SVNVERSION_OUTPUT}") - -if(EIGEN_SVN_REVISION) - set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (SVN revision ${EIGEN_SVN_REVISION})") -else(EIGEN_SVN_REVISION) +# automatically parse the version number +file(READ "${CMAKE_SOURCE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header LIMIT 5000 OFFSET 1000) +string(REGEX MATCH "define *EIGEN_WORLD_VERSION ([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 "${_eigen2_version_header}") +set(EIGEN2_MAJOR_VERSION "${CMAKE_MATCH_1}") +string(REGEX MATCH "define *EIGEN_MINOR_VERSION ([0-9]*)" _eigen2_minor_version_match "${_eigen2_version_header}") +set(EIGEN2_MINOR_VERSION "${CMAKE_MATCH_1}") +# TODO find a way to automatically remove the unstable suffix +set(EIGEN_VERSION_NUMBER ${EIGEN2_WORLD_VERSION}.${EIGEN2_MAJOR_VERSION}.${EIGEN2_MINOR_VERSION}-unstable) + +# if the mercurial program is absent, this will leave the EIGEN_HG_REVISION string empty, +# but won't stop CMake. +execute_process(COMMAND hg tip -R ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE EIGEN_HGTIP_OUTPUT) + +# extract the mercurial revision number from the hg tip output +string(REGEX MATCH "^changeset: *[0-9]*:([0-9;a-f]+).*" EIGEN_HG_REVISION_MATCH "${EIGEN_HGTIP_OUTPUT}") +set(EIGEN_HG_REVISION "${CMAKE_MATCH_1}") + +if(EIGEN_HG_REVISION) + set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (mercurial revision ${EIGEN_HG_REVISION})") +else(EIGEN_HG_REVISION) set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER}") -endif(EIGEN_SVN_REVISION) +endif(EIGEN_HG_REVISION) cmake_minimum_required(VERSION 2.6.2) diff --git a/cmake/FindEigen2.cmake b/cmake/FindEigen2.cmake new file mode 100644 index 000000000..f2f7f6eda --- /dev/null +++ b/cmake/FindEigen2.cmake @@ -0,0 +1,73 @@ +# - Try to find Eigen2 lib +# Once done this will define +# +# EIGEN2_FOUND - system has eigen lib with correct version +# EIGEN2_INCLUDE_DIR - the eigen include directory +# EIGEN2_VERSION - eigen version + +# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org> +# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr> +# Redistribution and use is allowed according to the terms of the BSD license. + +include(MacroEnsureVersion) + +if(NOT EIGEN2_MIN_VERSION) + if(NOT Eigen2_FIND_VERSION_MAJOR) + set(Eigen2_FIND_VERSION_MAJOR 2) + endif(NOT Eigen2_FIND_VERSION_MAJOR) + if(NOT Eigen2_FIND_VERSION_MINOR) + set(Eigen2_FIND_VERSION_MINOR 0) + endif(NOT Eigen2_FIND_VERSION_MINOR) + if(NOT Eigen2_FIND_VERSION_PATCH) + set(Eigen2_FIND_VERSION_PATCH 0) + endif(NOT Eigen2_FIND_VERSION_PATCH) + + set(EIGEN2_MIN_VERSION "${Eigen2_FIND_VERSION_MAJOR}.${Eigen2_FIND_VERSION_MINOR}.${Eigen2_FIND_VERSION_PATCH}") +endif(NOT EIGEN2_MIN_VERSION) + +macro(_eigen2_check_version) + file(READ "${EIGEN2_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header LIMIT 5000 OFFSET 1000) + + string(REGEX MATCH "define *EIGEN_WORLD_VERSION ([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 "${_eigen2_version_header}") + set(EIGEN2_MAJOR_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define *EIGEN_MINOR_VERSION ([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}) + MACRO_ENSURE_VERSION( ${EIGEN2_MIN_VERSION} ${EIGEN2_VERSION} EIGEN2_VERSION_OK) + + 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") + endif(NOT EIGEN2_VERSION_OK) +endmacro(_eigen2_check_version) + +if (EIGEN2_INCLUDE_DIR) + + # in cache already + _eigen2_check_version() + set(EIGEN2_FOUND ${EIGEN2_VERSION_OK}) + +else (EIGEN2_INCLUDE_DIR) + +find_path(EIGEN2_INCLUDE_DIR NAMES Eigen/Core + PATHS + ${INCLUDE_INSTALL_DIR} + ${KDE4_INCLUDE_DIR} + PATH_SUFFIXES eigen2 + ) + +if(EIGEN2_INCLUDE_DIR) + _eigen2_check_version() +endif(EIGEN2_INCLUDE_DIR) + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(Eigen2 DEFAULT_MSG EIGEN2_INCLUDE_DIR EIGEN2_VERSION_OK) + +mark_as_advanced(EIGEN2_INCLUDE_DIR) + +endif(EIGEN2_INCLUDE_DIR) + |