--- configure.orig	2015-05-13 22:14:22 UTC
+++ configure
@@ -110,12 +110,12 @@ if [ -n "$ERRORS" ] && [ $EBUILD_COMPAT 
 fi
 
 if [ $USE_CLANG -eq 0 ]; then
-  CFLAGS='-g -Wall -O2'
-  LDFLAGS='-g -Wall -O2'
+  CFLAGS='${CFLAGS} -g -Wall -O2'
+  LDFLAGS='${LDFLAGS} -g -Wall -O2'
   COMPILER='gcc'
 else
-  CFLAGS='-g -O2'
-  LDFLAGS='-g -O2'
+  CFLAGS='${CFLAGS} -g -O2'
+  LDFLAGS='${LDFLAGS} -g -O2'
   COMPILER='clang'
 fi
 
@@ -160,7 +160,6 @@ cat > include.mk <<EOF
 # use ./configure instead
 
 TARGET := $TARGET
-CC := $COMPILER
 CFLAGS := $CFLAGS
 LDFLAGS := $LDFLAGS
 STRIP := strip