AC_CHECK_LIB(m, cbrt, AC_DEFINE(HAVE_CBRT)))
AC_CHECK_FUNC(rint,
AC_DEFINE(HAVE_RINT),
- AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT)))
+[
+# On HPUX 9, rint() is not in regular libm.a but in /lib/pa1.1/libm.a
+SPECIALMATHLIB=""
+if [[ -r /lib/pa1.1/libm.a ]] ; then
+ SPECIALMATHLIB="-L /lib/pa1.1 -lm"
+fi
+ AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT), , $SPECIALMATHLIB)
+])
dnl Check for X libraries