(HAVE_ALLOCA, C_ALLOCA): Move to config.h.

diff --git a/mac/inc/m-mac.h b/mac/inc/m-mac.h
index bb4011af4a6d7b2b65486072c8e0860fac942b08..356a557c5fa279c097923977f18bffd6102e3431 100644 (file)
--- a/mac/inc/m-mac.h
+++ b/mac/inc/m-mac.h
@@ -80,19 +80,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define VIRT_ADDR_VARIES
 
-/* Define C_ALLOCA if this machine does not support a true alloca
-   and the one written in C should be used instead.
-   Define HAVE_ALLOCA to say that the system provides a properly
-   working alloca function and it should be used.
-   Define neither one if an assembler-language alloca
-   in the file alloca.s should be used.  */
-
-#ifdef __MRC__
-#define HAVE_ALLOCA
-#else
-#define C_ALLOCA
-#endif
-
 /* Define NO_REMAP if memory segmentation makes it not work well
    to change the boundary between the text section and data section
    when Emacs is dumped.  If you define this, the preloaded Lisp
@@ -129,18 +116,5 @@ Boston, MA 02111-1307, USA.  */
 #define IEEE_FLOATING_POINT 1
 #endif
 
-#if 0
-/* The usual definition of XINT, which involves shifting, does not
-   sign-extend properly on this machine.  */
-
-#define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \
-                ? (sign_extend_temp | 0xFF000000) \
-                : (sign_extend_temp & 0x00FFFFFF))
-
-#ifdef emacs /* Don't do this when making xmakefile! */
-extern int sign_extend_temp;
-#endif
-#endif
-
 /* arch-tag: 9e759031-ab7b-4c76-99d7-3ae94a98de38
    (do not change this comment) */