default.exp: Update with comments.

default.exp: Update with comments.

2004-02-27  Phil Edwards  <phil@codesourcery.com>

	* testsuite/config/default.exp:  Update with comments.
	(${tool}_target_compile):  New wrapper routine.
	* testsuite/lib/dg-options.exp:  New file, with dg-require-iconv.
	* testsuite/lib/libstdc++.exp:  Update with comments and cosmetic
	fixes.
	(load_gcc_lib, v3track):  New routines.
	(v3-init):  Rename to libstdc++_init.
	* testsuite/libstdc++-dg/normal.exp:  No longer call v3-init.
	Move DEFAULT_CXXFLAGS handling into libstdc++_init.

From-SVN: r78580