FindEigen3.cmake : search for package only if EIGEN3_INCLUDE_DIR is not already defined

This commit is contained in:
Silvio Traversaro 2016-08-22 22:13:10 +00:00
parent 5e51a361fe
commit 068ccab9fe

View File

@ -35,11 +35,6 @@ if(NOT Eigen3_FIND_VERSION)
set(Eigen3_FIND_VERSION "${Eigen3_FIND_VERSION_MAJOR}.${Eigen3_FIND_VERSION_MINOR}.${Eigen3_FIND_VERSION_PATCH}")
endif(NOT Eigen3_FIND_VERSION)
# search first if an Eigen3Config.cmake is available in the system,
# if successful this would set EIGEN3_INCLUDE_DIR and the rest of
# the script will work as usual
find_package(Eigen3 ${Eigen3_FIND_VERSION} NO_MODULE QUIET)
macro(_eigen3_check_version)
file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header)
@ -71,16 +66,23 @@ if (EIGEN3_INCLUDE_DIR)
set(EIGEN3_FOUND ${EIGEN3_VERSION_OK})
else (EIGEN3_INCLUDE_DIR)
# search first if an Eigen3Config.cmake is available in the system,
# if successful this would set EIGEN3_INCLUDE_DIR and the rest of
# the script will work as usual
find_package(Eigen3 ${Eigen3_FIND_VERSION} NO_MODULE QUIET)
find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library
HINTS
ENV EIGEN3_ROOT
ENV EIGEN3_ROOT_DIR
PATHS
${CMAKE_INSTALL_PREFIX}/include
${KDE4_INCLUDE_DIR}
PATH_SUFFIXES eigen3 eigen
)
if(NOT EIGEN3_INCLUDE_DIR)
find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library
HINTS
ENV EIGEN3_ROOT
ENV EIGEN3_ROOT_DIR
PATHS
${CMAKE_INSTALL_PREFIX}/include
${KDE4_INCLUDE_DIR}
PATH_SUFFIXES eigen3 eigen
)
endif(NOT EIGEN3_INCLUDE_DIR)
if(EIGEN3_INCLUDE_DIR)
_eigen3_check_version()