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Extend the range of supported CMake package config versions

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This commit is contained in:
Antonio Sánchez
2025-09-23 19:52:35 +00:00
parent 4df215785b
commit 027dc5bc8d
3 changed files with 112 additions and 27 deletions
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23
CMakeLists.txt
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@@ -255,25 +255,10 @@ if(EIGEN_BUILD_CMAKE_PACKAGE)
NO_CHECK_REQUIRED_COMPONENTS_MACRO # Eigen does not provide components
)
# NOTE Remove the first code path once the minimum required CMake version is
# bumped to 3.14 or above.
if (CMAKE_VERSION VERSION_LESS 3.14)
# 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})
else (CMAKE_VERSION VERSION_LESS 3.14)
write_basic_package_version_file (Eigen3ConfigVersion.cmake
VERSION ${EIGEN_VERSION_NUMBER}
COMPATIBILITY SameMajorVersion
ARCH_INDEPENDENT)
endif (CMAKE_VERSION VERSION_LESS 3.14)
set(CVF_VERSION "${EIGEN_VERSION_NUMBER}")
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/Eigen3ConfigVersion.cmake.in"
"Eigen3ConfigVersion.cmake"
@ONLY)
# The Eigen target will be located in the Eigen3 namespace. Other CMake
# targets can refer to it using Eigen3::Eigen.