# fpieee.m4 serial 1
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009, 2010 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.
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
- # IEEE behaviour is the default on all CPUs except Alpha
- # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4).
+ # IEEE behaviour is the default on all CPUs except Alpha and SH
+ # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4
+ # and the GCC 4.1.2 manual).
case "$host_cpu" in
alpha*)
# On Alpha systems, a compiler option provides the behaviour.
# GCC has the option -mieee.
CPPFLAGS="$CPPFLAGS -mieee"
else
- # Compaq (ex-DEC) C has the option -ieee.
+ # Compaq (ex-DEC) C has the option -ieee.
+ CPPFLAGS="$CPPFLAGS -ieee"
+ fi
+ ;;
+ sh*)
+ if test -n "$GCC"; then
+ # GCC has the option -mieee.
CPPFLAGS="$CPPFLAGS -mieee"
fi
;;