--- mpgtx-1.3.1.orig/configure
+++ mpgtx-1.3.1/configure
@@ -9,7 +9,7 @@
 prefix="/usr/local"
 manprefix='$(PREFIX)'
 #compiler flags
-CC="g++"
+CC="${CXX:-g++}"
 common_cflags="-Wall"
 devel_cflags="-g -Werror -fno-builtin"
 optimization_cflags="-O3"