clang as CC breaks newlib build

Author: WinterMute

dkppc/scripts/build-gcc.sh

@@ -125,6 +125,11 @@ cd $target/newlib
 unset CFLAGS
 unset LDFLAGS
 
+OLD_CC=$CC
+OLD_CXX=$CXX
+unset CC
+unset CXX
+
 if [ ! -f configured-newlib ]
 then
 	CFLAGS_FOR_TARGET="-O2 -ffunction-sections -fdata-sections" \
@@ -148,6 +153,9 @@ then
 	touch installed-newlib
 fi
 
+export CC=$OLD_CC
+export CXX=$OLD_CXX
+
 #---------------------------------------------------------------------------------
 # build and install the final compiler
 #---------------------------------------------------------------------------------