-# isnan.m4 serial 2
-dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
+# isnan.m4 serial 5
+dnl Copyright (C) 2007-2014 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
&& test $gl_func_isnand = yes \
&& test $gl_func_isnanl = yes; then
AC_MSG_RESULT([yes])
- ISNAN_LIBM="$ISNANF_LIBM $ISNAND_LIBM $ISNANL_LIBM"
+ ISNAN_LIBM=
+ dnl Append $ISNANF_LIBM to ISNAN_LIBM, avoiding gratuitous duplicates.
+ case " $ISNAN_LIBM " in
+ *" $ISNANF_LIBM "*) ;;
+ *) ISNAN_LIBM="$ISNAN_LIBM $ISNANF_LIBM" ;;
+ esac
+ dnl Append $ISNAND_LIBM to ISNAN_LIBM, avoiding gratuitous duplicates.
+ case " $ISNAN_LIBM " in
+ *" $ISNAND_LIBM "*) ;;
+ *) ISNAN_LIBM="$ISNAN_LIBM $ISNAND_LIBM" ;;
+ esac
+ dnl Append $ISNANL_LIBM to ISNAN_LIBM, avoiding gratuitous duplicates.
+ case " $ISNAN_LIBM " in
+ *" $ISNANL_LIBM "*) ;;
+ *) ISNAN_LIBM="$ISNAN_LIBM $ISNANL_LIBM" ;;
+ esac
else
AC_MSG_RESULT([no])
+ dnl REPLACE_ISNAN=1 also makes sure the rpl_isnan[fdl] functions get built.
REPLACE_ISNAN=1
- # Make sure the rpl_isnan[fdl] functions get built.
- gl_BUILD_ISNANF
- gl_BUILD_ISNAND
- gl_BUILD_ISNANL
ISNAN_LIBM=
fi
AC_SUBST([ISNAN_LIBM])