Handle build with older versions of GCC
Older versions of GCC (prior to 9.1) did not put the std::filesystem
support directly into libstdcpp, but in a separate libstdc++fs
. Add
meson logic to detect if an extra linker flag is necessary.
Fixes #223 (closed).
Tested on AlmaLinux 8 which uses GCC-8.
Signed-off-by: Patrick Williams patrick@stwcx.xyz