* [openexr,openimageio,suitesparse,theia] updates for non-win32

* [theia] use only valid cmake symbols

* [suitesparse] Fix build

* [lapack] still not properly integrating with other ports

* [lapack] intercept cmake module calls and substitute them with our defs

* [suitesparse,clapack] fixes for proper integration

* [ceres,clapack] bump CONTROL

* [suitesparse] remove unnecessary defs

* [clapack] improve wrapper logic

* [WIN32] remove wrong symbol

* [clapack] fix wrapper integration

* [Accelerate] use best framework when available

* [clapack] separate config from wrapper

* [clapack] fix paths and filenames

* [mlpack,armadillo,clapack] improve library handling

* [mlpack] remove unnecessary cmake option

* [clp,coinutils,osi,liblemon] dependencies of openmvg, improve compatibility with non-win32

* [openmvg] fix for case-sensitive filesystems

* [clp,coinutils,osi] simplify CMakeLists removing many unnecessary steps

* [sophus] Force rebuild

* [theia] fixes for linux, part1

* [io2d] remove broken sintax

* [fontconfig] bump version to remove CI cached failure

* [theia] fixes for linux, part2

* [theia] remove unnecessary empty folders and comments from portfile

* [theia] use correct build type removing forced vars in cmakelists.txt

* [openmvg] add missing suitesparse target detection

* [sophus] fix Suitesparse dependency

* [sophus,openmvg] use suitesparse lowercase for module compatibility on case-sensitive filesystems

* [suitesparse] fixes for case-sensitive filesystems

* [openmvg] use correct Eigen3 name for case-sensitive filesystems

* [sophus] trigger rebuild

* [shogun] use modern vcpkg style

* [shogun] add missing cmake system processor symbol

* [lz4, flann] port patches from #5169

* [lz4] use vcpkg_fixup_cmake_targets

* [flann] improve target handling

* [lz4] remove unnecessary debug message

* [openmvg] many many fixes to build it on windows

* [pcl] use official FLANN cmake config file instead of custom module

* [pcl] fix patch for flann targets

* [pcl] Bump CONTROL version