-# rintl.m4 serial 2
+# rintl.m4 serial 3
dnl Copyright (C) 2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_FUNC_RINTL],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
+ AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
dnl Determine RINTL_LIBM.
gl_MATHFUNC([rintl], [long double], [(long double)])
if test $gl_cv_func_rintl_no_libm = no \
&& test $gl_cv_func_rintl_in_libm = no; then
HAVE_RINTL=0
- RINTL_LIBM=
+ dnl Find libraries needed to link lib/rintl.c.
+ if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then
+ AC_REQUIRE([gl_FUNC_RINT])
+ RINTL_LIBM="$RINT_LIBM"
+ else
+ RINTL_LIBM=
+ fi
fi
AC_SUBST([RINTL_LIBM])
])