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cmake: remove architecture dependency from Eigen3ConfigVersion.cmake

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Also, install Eigen3*.cmake under $prefix/share/eigen3/cmake by default.
(grafted from 86ab00cdcfc81ef7ebc92ddc3314d7df67c65354
)
This commit is contained in:
Sergiu Deitsch 2016-11-30 15:46:46 +01:00
parent 3440b46e2f
commit 5e3c5c42f6
1 changed files with 8 additions and 1 deletions

9
CMakeLists.txt

@ -380,7 +380,7 @@ else()
)
endif()
set(CMAKEPACKAGE_INSTALL_DIR
"${CMAKE_INSTALL_LIBDIR}/cmake/eigen3"
"${CMAKE_INSTALL_DATADIR}/eigen3/cmake"
CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen3Config.cmake is installed"
)
set(PKGCONFIG_INSTALL_DIR
@ -534,8 +534,15 @@ if (NOT CMAKE_VERSION VERSION_LESS 3.0)
INSTALL_DESTINATION ${CMAKEPACKAGE_INSTALL_DIR}
NO_CHECK_REQUIRED_COMPONENTS_MACRO # Eigen does not provide components
)
# Remove CMAKE_SIZEOF_VOID_P from Eigen3ConfigVersion.cmake since Eigen does
# not depend on architecture specific settings or libraries. More
# specifically, an Eigen3Config.cmake generated from a 64 bit target can be
# used for 32 bit targets as well (and vice versa).
set (_Eigen3_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
unset (CMAKE_SIZEOF_VOID_P)
write_basic_package_version_file (Eigen3ConfigVersion.cmake
VERSION ${EIGEN_VERSION_NUMBER} COMPATIBILITY SameMajorVersion)
set (CMAKE_SIZEOF_VOID_P ${_Eigen3_CMAKE_SIZEOF_VOID_P})
# The Eigen target will be located in the Eigen3 namespace. Other CMake
# targets can refer to it using Eigen3::Eigen.