Changelog: https://github.com/libgeos/geos/releases/tag/3.14.0 Bump minimal GCC version to 7. (Switched to C++17 as minimum requirement) https://github.com/libgeos/geos/commit/e142764b77f4b8d0c36ec88406300c5f876743fb Since commit https://github.com/libgeos/geos/commit/26292ce88077321ced5db5869ea0b11cabaa2d12 libgeos uses fenv.h to catch FPU exceptions. Some libc implementation may have no fenv support. So add a patch to detect fenv.h availability. Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> [Julien: - reformat patch title to fix check-package error - add Upstream header in patch to fix check-package error ] Signed-off-by: Julien Olivain <ju.o@free.fr>