2005-07-07  Geoffrey Keating  <geoffk@apple.com>

	* config.gcc (*-*-darwin*): Only one target-specific header file
	for generic darwin.
	(powerpc-*-darwin*): Add version-specific header files.
	* configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
	* config.in: Regenerate.
	* configure: Regenerate.
	* gcc.c: Include xregex.h.
	(version_compare_spec_function): New.
	(spec_function): Add version-compare.
	(replace_outfile_spec_function): Reformat comment.
	(compare_version_strings): New.
	* config/darwin-c.c (version_as_macro): New.
	(builtin_define): New.
	(darwin_cpp_builtins): New.
	* config/darwin-protos.h (darwin_cpp_builtins): New.
	* config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
	(LIB_SPEC): Make unconditional, update comment.
	(TARGET_C99_FUNCTIONS): Define.
	* config/darwin.opt: Sort.
	(mmacosx-version-min=): New.
	* config/darwin7.h: Delete.
	* config/darwin8.h: Delete.
	* config/i386/darwin.h (): Call darwin_cpp_builtins.
	* config/rs6000/darwin.h (): Call darwin_cpp_builtins.
	(TARGET_C99_FUNCTIONS): Define.
	* config/rs6000/darwin7.h: New.
	* config/rs6000/darwin8.h: New.
	* doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
	(-mmacosx-version-min): Document.

Index: testsuite/ChangeLog
2005-07-07  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/darwin-version-1.c: New.
	* gcc.dg/builtins-18.c: On Darwin, needs -mmacosx-version-min=10.3.
	* gcc.dg/builtins-20.c: Likewise.
	* gcc.dg/builtins-53.c: Likewise.
	* gcc.dg/torture/builtins-convert-1.c: Likewise.
	* gcc.dg/torture/builtins-convert-2.c: Likewise.
	* gcc.dg/torture/builtins-convert-3.c: Likewise.
	* gcc.dg/torture/builtins-power-1.c: Likewise.
	* gcc.dg/builtins-config.h: Complain if macosx-version-min not set
	on Darwin.

From-SVN: r101753