759 |
|
|
760 |
AC_CHECK_HEADERS(floatingpoint.h ieeefp.h nan.h) |
AC_CHECK_HEADERS(floatingpoint.h ieeefp.h nan.h) |
761 |
|
|
762 |
# asinh, acosh, atanh and trunc (all in -lm) are only C99 standard and older |
# Reasons for testing: |
763 |
# systems generally don't have them. |
# asinh, acosh, atanh, trunc - C99 standard, generally not available on |
764 |
|
# older systems |
765 |
|
# sincos - GLIBC extension |
766 |
# |
# |
767 |
AC_CHECK_FUNCS(asinh acosh atanh copysign finite isinf isnan trunc) |
AC_CHECK_FUNCS(asinh acosh atanh copysign finite isinf isnan sincos trunc) |
768 |
|
|
769 |
# 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 |
770 |
# explicitly to LIBOBJS to make sure that it is translated to |
# explicitly to LIBOBJS to make sure that it is translated to |