first run at tc-is-softfloat()

diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass
index 1092b08bdafa2d88b680c051c520040150c2ae22..c2536abc569c8378631016b349528a83033b4ae8 100644 (file)
--- a/eclass/toolchain-funcs.eclass
+++ b/eclass/toolchain-funcs.eclass
@@ -1,6 +1,6 @@
 # Copyright 1999-2006 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.64 2007/01/07 11:39:08 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.65 2007/02/12 05:01:09 vapier Exp $
 #
 # Author: Toolchain Ninjas <toolchain@gentoo.org>
 #
@@ -91,6 +91,25 @@ tc-is-cross-compiler() {
        return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
 }
 
+# See if this toolchain is a softfloat based one.
+# The possible return values:
+#  - only: the target is always softfloat (never had fpu)
+#  - yes:  the target should support softfloat
+#  - no:   the target should support hardfloat
+# This allows us to react differently where packages accept
+# softfloat flags in the case where support is optional, but
+# rejects softfloat flags where the target always lacks an fpu.
+tc-is-softfloat() {
+       case ${CTARGET} in
+               h8300*)
+                       echo "only" ;;
+               *)
+                       [[ ${CTARGET//_/-} == *-softfloat-* ]] \
+                               && echo "yes" \
+                               || echo "no"
+                       ;;
+       esac
+}
 
 # Parse information from CBUILD/CHOST/CTARGET rather than
 # use external variables from the profile.