eclass/toolchain.eclass: use CXXFLAGS=CFLAGS if CFLAGS_<CTARGET> is not set

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 58d859dfaf32389cbd054f1f7ef6233847e14d5a..a038303ec7f5b956719e22f28ea31c046d41128c 100644 (file)
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -1484,7 +1484,7 @@ gcc_do_filter_flags() {
 
                # "hppa2.0-unknown-linux-gnu" -> hppa2_0_unknown_linux_gnu
                local VAR="CFLAGS_"${CTARGET//[-.]/_}
-               CXXFLAGS=${!VAR}
+               CXXFLAGS=${!VAR-${CFLAGS}}
        fi
 
        export GCJFLAGS=${GCJFLAGS:-${CFLAGS}}