-export GCC_ROOT=${gcc_root}
-export CXX=\${GCC_ROOT}/bin/g++
-export CC=\${GCC_ROOT}/bin/gcc
-export PATH=${path}
-export LD_LIBRARY_PATH=${ld_library_path}
+#export GCC_ROOT=${gcc_root}
+#export CXX=\${GCC_ROOT}/bin/g++
+#export CC=\${GCC_ROOT}/bin/gcc
+#export PATH=${path}
+#export LD_LIBRARY_PATH=${ld_library_path}