2003-05-05  Janis Johnson  <janis187@us.ibm.com>

	* Makefile.in: (site.exp): Add ALT_CC_UNDER_TEST, add quotes around
	expanded variables.
	* doc/sourcebuild.texi (C tests): Describe gcc.dg/compat tests.
testsuite:
	* lib/compat.exp (compat-execute): New argument.
	* g++.dg/compat/compat.exp: Pass new argument to compat-execute.
	* gcc.dg/compat: New test directory.
	* gcc.dg/compat/compat.exp: New expect script.
	* gcc.dg/compat/scalar-by-value-1_main.c: New test file.
	* gcc.dg/compat/scalar-by-value-1_x.c: New test file.
	* gcc.dg/compat/scalar-by-value-1_y.c: New test file.
	* gcc.dg/compat/scalar-by-value-2_main.c: New test file.
	* gcc.dg/compat/scalar-by-value-2_x.c: New test file.
	* gcc.dg/compat/scalar-by-value-2_y.c: New test file.

From-SVN: r66506