ld: warning: -undefined dynamic_lookup may not work with chained fixups
./absdev_source.c:41:28: warning: absolute value function 'fabs' given an argument of type 'long double' but has parameter of type 'double' which may cause truncation of value [-Wabsolute-value]
./absdev_source.c:41:28: note: use function 'fabsl' instead
./wabsdev_source.c:43:35: warning: absolute value function 'fabs' given an argument of type 'long double' but has parameter of type 'double' which may cause truncation of value [-Wabsolute-value]
./wabsdev_source.c:43:35: note: use function 'fabsl' instead
ld: warning: -undefined dynamic_lookup may not work with chained fixups