onnxruntime/cmake/external/eigen.cmake

include (ExternalProject)

if (onnxruntime_USE_PREINSTALLED_EIGEN)
    add_library(eigen INTERFACE)
    file(TO_CMAKE_PATH ${eigen_SOURCE_PATH} eigen_INCLUDE_DIRS)
    target_include_directories(eigen INTERFACE ${eigen_INCLUDE_DIRS})
else ()
    set(eigen_INCLUDE_DIRS  "${PROJECT_SOURCE_DIR}/external/eigen")
endif()
Initial bootstrap commit. 2018-11-20 00:48:22 +00:00			`include (ExternalProject)`

			`if (onnxruntime_USE_PREINSTALLED_EIGEN)`
Build system upgrades (#281) * update * runas normal user 2019-01-07 21:15:24 +00:00			`add_library(eigen INTERFACE)`
Fix "invalid escape" issue when eigen_SOURCE_PATH contains "\". (#258) 2019-01-02 22:00:21 +00:00			`file(TO_CMAKE_PATH ${eigen_SOURCE_PATH} eigen_INCLUDE_DIRS)`
Build system upgrades (#281) * update * runas normal user 2019-01-07 21:15:24 +00:00			`target_include_directories(eigen INTERFACE ${eigen_INCLUDE_DIRS})`
Initial bootstrap commit. 2018-11-20 00:48:22 +00:00			`else ()`
Convert eigen to a submodule and update it to the latest version 2019-04-19 00:00:21 +00:00			`set(eigen_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/external/eigen")`
Initial bootstrap commit. 2018-11-20 00:48:22 +00:00			`endif()`