-# Check whether --with-cxx-include-root was given.
-if test "${with_cxx_include_root+set}" = set; then
- withval=$with_cxx_include_root;
-else
- withval=""
-fi
-
-
-cat >>confdefs.h <<_ACEOF
-#define CXX_INCLUDE_ROOT "$withval"
-_ACEOF
-
-
-
-# Check whether --with-cxx-include-arch was given.
-if test "${with_cxx_include_arch+set}" = set; then
- withval=$with_cxx_include_arch;
-else
- withval=""
-fi
-
-
-cat >>confdefs.h <<_ACEOF
-#define CXX_INCLUDE_ARCH "$withval"
-_ACEOF
-
-
-
-# Check whether --with-cxx-include-32bit-dir was given.
-if test "${with_cxx_include_32bit_dir+set}" = set; then
- withval=$with_cxx_include_32bit_dir;
-else
- withval=""
-fi
-
-
-cat >>confdefs.h <<_ACEOF
-#define CXX_INCLUDE_32BIT_DIR "$withval"
-_ACEOF
-
-
-
-# Check whether --with-cxx-include-64bit-dir was given.
-if test "${with_cxx_include_64bit_dir+set}" = set; then
- withval=$with_cxx_include_64bit_dir;
+# Check whether --with-gcc-toolchain was given.
+if test "${with_gcc_toolchain+set}" = set; then
+ withval=$with_gcc_toolchain;