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Simpler Eigen fetch

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This commit is contained in:
Antonin Portelli 2025-04-29 19:21:21 -03:00
parent f4741c6298
commit 9a01f33983
1 changed files with 10 additions and 11 deletions
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21
CMakeLists.txt
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@ -41,18 +41,17 @@ set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
# fetch and create symbolic link to Eigen headers
set(FETCHCONTENT_BASE_DIR ${CMAKE_BINARY_DIR}/deps)
FetchContent_Declare(
Eigen3
GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
GIT_TAG 3.4.0)
FetchContent_GetProperties(Eigen3)
if(NOT eigen3_POPULATED)
FetchContent_Populate(Eigen3)
message(STATUS "Eigen3 fetched")
set(EIGEN_URL "https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.gz")
set(EIGEN_TGZ "${CMAKE_BINARY_DIR}/eigen-3.4.0.tar.gz")
set(EIGEN_DIR "${CMAKE_BINARY_DIR}/deps/eigen-src")
if(NOT EXISTS "${EIGEN_DIR}/Eigen/Dense")
file(DOWNLOAD "${EIGEN_URL}" "${EIGEN_TGZ}" SHOW_PROGRESS)
file(ARCHIVE_EXTRACT INPUT "${EIGEN_TGZ}" DESTINATION "${CMAKE_BINARY_DIR}/deps")
file(GLOB EIGEN_EXTRACTED_DIR "${CMAKE_BINARY_DIR}/deps/eigen-*")
file(RENAME "${EIGEN_EXTRACTED_DIR}" "${EIGEN_DIR}")
message(STATUS "Eigen3 fetched")
endif()
file(CREATE_LINK ${eigen3_SOURCE_DIR}/Eigen
${CMAKE_SOURCE_DIR}/lib/LatAnalyze/Eigen SYMBOLIC)
file(CREATE_LINK ${EIGEN_DIR}/Eigen ${CMAKE_SOURCE_DIR}/lib/LatAnalyze/Eigen SYMBOLIC)
# dependencies
find_package(Threads REQUIRED)