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ci: download EIGEN

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This commit is contained in:
Henry Schreiner
2020-07-26 13:44:10 -04:00
committed by Henry Schreiner
parent 9521bc56a8
commit 1b880dfd5a
3 changed files with 41 additions and 13 deletions
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48
tests/CMakeLists.txt
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@@ -97,6 +97,8 @@ set(PYBIND11_CROSS_MODULE_GIL_TESTS
test_gil_scoped.py
)
option(DOWNLOAD_EIGEN "Download EIGEN (requires CMake 3.11+)" OFF)
# Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but
# keep it in PYBIND11_PYTEST_FILES, so that we get the "eigen is not installed"
# skip message).
@@ -105,18 +107,42 @@ if(PYBIND11_TEST_FILES_EIGEN_I GREATER -1)
# Try loading via newer Eigen's Eigen3Config first (bypassing tools/FindEigen3.cmake).
# Eigen 3.3.1+ exports a cmake 3.0+ target for handling dependency requirements, but also
# produces a fatal error if loaded from a pre-3.0 cmake.
if (NOT CMAKE_VERSION VERSION_LESS 3.0)
find_package(Eigen3 3.2.7 QUIET CONFIG)
if (EIGEN3_FOUND)
if (EIGEN3_VERSION_STRING AND NOT EIGEN3_VERSION_STRING VERSION_LESS 3.3.1)
set(PYBIND11_EIGEN_VIA_TARGET 1)
if(DOWNLOAD_EIGEN)
if(CMAKE_VERSION VERSION_LESS 3.11)
message(FATAL_ERROR "CMake 3.11+ required when using DOWNLOAD_EIGEN")
endif()
set(EIGEN3_VERSION_STRING "3.3.7")
include(FetchContent)
FetchContent_Declare(
eigen
GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
GIT_TAG ${EIGEN3_VERSION_STRING}
)
FetchContent_GetProperties(eigen)
if(NOT eigen_POPULATED)
message(STATUS "Downloading Eigen")
FetchContent_Populate(eigen)
endif()
set(EIGEN3_INCLUDE_DIR ${eigen_SOURCE_DIR})
set(EIGEN3_FOUND TRUE)
else()
if (NOT CMAKE_VERSION VERSION_LESS 3.0)
find_package(Eigen3 3.2.7 QUIET CONFIG)
if (EIGEN3_FOUND)
if (EIGEN3_VERSION_STRING AND NOT EIGEN3_VERSION_STRING VERSION_LESS 3.3.1)
set(PYBIND11_EIGEN_VIA_TARGET TRUE)
endif()
endif()
endif()
endif()
if (NOT EIGEN3_FOUND)
# Couldn't load via target, so fall back to allowing module mode finding, which will pick up
# tools/FindEigen3.cmake
find_package(Eigen3 3.2.7 QUIET)
if (NOT EIGEN3_FOUND)
# Couldn't load via target, so fall back to allowing module mode finding, which will pick up
# tools/FindEigen3.cmake
find_package(Eigen3 3.2.7 QUIET)
endif()
endif()
if(EIGEN3_FOUND)
@@ -129,7 +155,7 @@ if(PYBIND11_TEST_FILES_EIGEN_I GREATER -1)
message(STATUS "Building tests with Eigen v${EIGEN3_VERSION}")
else()
list(REMOVE_AT PYBIND11_TEST_FILES ${PYBIND11_TEST_FILES_EIGEN_I})
message(STATUS "Building tests WITHOUT Eigen")
message(STATUS "Building tests WITHOUT Eigen, use -DDOWNLOAD_EIGEN on CMake 3.11+ to download")
endif()
endif()