2007-02-20  Geoffrey Keating  <geoffk@apple.com>

	* config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
	if user didn't pass it.
	* config/i386/darwin.h (CC1_SPEC): Likewise.
	* config/rs6000/darwin.h (CC1_SPEC): Likewise.
	(DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
	-mmacosx-version-min.

Index: gcc/testsuite/ChangeLog
2007-02-20  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/darwin-minversion-1.c: New.
	* gcc.dg/darwin-minversion-2.c: New.

From-SVN: r122166