Reverted patch to add the -mmacosx= feature. (Darwin only)

From-SVN: r78383

gcc/ChangeLog

@@ -524,22 +524,6 @@
 
 	* doc/install.texi: Update for switch of boehm-gc to autoconf 2.57.
 
-2003-02-23  Matt Austern  <austern@apple.com >
-
-	* config/darwin.h (SUBTARGET_OPTIONS): Add -mmacosx= option.
-	(macosx_version_min_required): Declare global variable.
-	* config/darwin-protos.h (darwin_parse_macosx_version_name): Declare.
-	* config/darwin.c (macosx_version_min_required): Define variable.
-	(darwin_macosx_vers_tbl): Define. Table mapping text strings of
-	OS versions to numerical codes.
-	(darwin_parse_macosx_version_name): Define.  Parse -mmacosx=,
-	set macosx_version_min_required appropriately.
-	* config/i386/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
-	Invoke darwin_parse_macosx_version_name.
-	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
-	darwin_parse_macosx_version_name to Darwin option handling.
-	* doc/invoke.texi (-mmacosx=): Document.
-	
 2004-02-23  Dale Johannesen  <dalej@apple.com>
 
 	* config/rs6000.md (movsf_hardfloat): Add POWER form of nop.

gcc/config/darwin-protos.h

@@ -18,8 +18,6 @@ along with GCC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-extern void darwin_parse_macosx_version_name (void);
-
 extern int name_needs_quotes (const char *);
 
 extern void machopic_validate_stub_or_non_lazy_ptr (const char *, int);

gcc/config/darwin.c

@@ -48,48 +48,6 @@ static void update_non_lazy_ptrs (const char *);
 static void update_stubs (const char *);
 static const char *machopic_non_lazy_ptr_name (const char*);
 
-/* Earliest operating system for which generated code is targeted, as string
-   and as integer.  The string form is "10.0", "10.1", etc.  The corresponding
-   numeric versions are 1000, 1010, etc.  This number is used for feature 
-   tests of the form "enable_this_feature = macosx_version_min_required >= n",
-   so 0 is a conservative default. */
-
-const char *darwin_macosx_version_name;
-unsigned int macosx_version_min_required = 0;
-
-/* Parse -macosx= option. */
-
-static struct darwin_macosx_vers {
-  const char *vers_str;
-  unsigned int vers_num;
-} darwin_macosx_vers_tbl[] = {
-  { "10.0", 1000 },
-  { "10.1", 1010 },
-  { "10.2", 1020 },
-  { "jaguar", 1020 },
-  { "10.3", 1030 },
-  { "panther", 1030 },
-  { "10.4", 1040 },
-  { "10.5", 1050 },
-  { NULL, 0 }
-};  
-
-void darwin_parse_macosx_version_name (void)
-{
-  if (darwin_macosx_version_name)
-    {
-      struct darwin_macosx_vers *v = darwin_macosx_vers_tbl;
-      while (v->vers_str
-	     && strcmp (darwin_macosx_version_name, v->vers_str) != 0)
-	v++;
-
-      if (v->vers_str)
-	macosx_version_min_required = v->vers_num;
-      else
-	warning ("-macosx=%s: unrecognized version", darwin_macosx_version_name);
-    }
-}
-
 int
 name_needs_quotes (const char *name)
 {

gcc/config/darwin.h

@@ -82,19 +82,6 @@ Boston, MA 02111-1307, USA.  */
 #undef	DEFAULT_PCC_STRUCT_RETURN
 #define DEFAULT_PCC_STRUCT_RETURN 0
 
-/* Strings provided by SUBTARGET_OPTIONS */
-extern const char *darwin_macosx_version_name;
-
-/* Override rs6000.h/i386.h definition */
-#undef SUBTARGET_OPTIONS
-#define SUBTARGET_OPTIONS					            \
-  { "macosx=", &darwin_macosx_version_name,		    \
-      N_("Earliest operating system for which code should be generated"), 0 }
-
-/* Earliest operating system for which generated code is targeted. 1000 for 10.0,
-   1010 for 10.1, etc. */
-extern unsigned int macosx_version_min_required;
-
 /* This table intercepts weirdo options whose names would interfere
    with normal driver conventions, and either translates them into
    standardly-named options, or adds a 'Z' so that they can get to

gcc/config/i386/darwin.h

@@ -51,11 +51,6 @@ Boston, MA 02111-1307, USA.  */
 #define SUBTARGET_EXTRA_SPECS			\
   { "darwin_arch", "i386" },
 
-#define SUBTARGET_OVERRIDE_OPTIONS				  	\
-do {									\
-  darwin_parse_macosx_version_name ();                                  \
-} while (0)
-
 /* Use the following macro for any Darwin/x86-specific command-line option
    translation.  */
 #define SUBTARGET_OPTION_TRANSLATE_TABLE

gcc/config/rs6000/darwin.h

@@ -87,8 +87,7 @@ do {									\
         flag_pic = 2;							\
       }									\
   }									\
-  darwin_parse_macosx_version_name ();                                  \
-} while (0)
+}while(0)
 
 /* We want -fPIC by default, unless we're using -static to compile for
    the kernel or some such.  */

gcc/doc/invoke.texi

@@ -461,7 +461,7 @@ in the following sections.
 -single_module  -static  -sub_library  -sub_umbrella @gol
 -twolevel_namespace  -umbrella  -undefined @gol
 -unexported_symbols_list  -weak_reference_mismatches @gol
--whatsloaded -mmacosx=@var{ver}}
+-whatsloaded}
 
 @emph{MIPS Options}
 @gccoptlist{-EL  -EB  -march=@var{arch}  -mtune=@var{arch} @gol
@@ -7578,13 +7578,6 @@ See man ld(1) for more information.
 This specifies the @var{executable} that will be loading the build
 output file being linked. See man ld(1) for more information.
 
-@item -mmacosx=@var{ver}
-@opindex mmacosx
-This specifies the earliest version of Mac OS for which code should
-be generated.  Specifying @code{-mmacosx=10.2}, for example, allows
-the compiler to use features that were first made available in that
-version of the operating system.
-
 @item -allowable_client  @var{client_name}
 @itemx -arch_only