759 |
|
|
760 |
AC_CHECK_HEADERS(floatingpoint.h ieeefp.h nan.h) |
AC_CHECK_HEADERS(floatingpoint.h ieeefp.h nan.h) |
761 |
|
|
762 |
AC_CHECK_FUNCS(finite isinf isnan copysign) |
# asinh, acosh, atanh and trunc (all in -lm) are only C99 standard and older |
763 |
|
# systems generally don't have them. |
764 |
|
# |
765 |
|
AC_CHECK_FUNCS(asinh acosh atanh copysign finite isinf isnan trunc) |
766 |
|
|
767 |
# When testing for the presence of alloca, we need to add alloca.o |
# When testing for the presence of alloca, we need to add alloca.o |
768 |
# explicitly to LIBOBJS to make sure that it is translated to |
# explicitly to LIBOBJS to make sure that it is translated to |