more machine support NetBSD - including x86-64

[Greg Troxel <gdt@ir.bbn.com>]

I am updating the pkgsrc entry for NetBSD to 1.6.5 from 1.6.4.

This patch is applied during NetBSD builds, but it belongs in the
guile sources.  It adds machine/arch detection for NetBSD on various
arches, and x86-64 support.

The detection of OSF1 as an alpha that is not linux or netbsd seems
awkward, but I don't know of a third unless guile runs on VMS.

$NetBSD: patch-ae,v 1.9 2004/03/16 00:46:39 dmcmahill Exp $

--- libguile/gc_os_dep.c.orig	2004-06-15 18:55:31.000000000 -0400
+++ libguile/gc_os_dep.c
@@ -112,12 +112,27 @@ typedef int GC_bool;
 #    define NETBSD
 #    define mach_type_known
 # endif
-# if defined(__NetBSD__) && defined(m68k)
+# if defined(__NetBSD__) && defined(__powerpc__)
+#    define POWERPC
+#    define NETBSD
+#    define mach_type_known
+# endif
+# if defined(__NetBSD__) && (defined(m68k) || defined(__m68k__))
 #    define M68K
 #    define NETBSD
 #    define mach_type_known
 # endif
-# if defined(__NetBSD__) && defined(arm32)
+# if defined(__NetBSD__) && (defined(__sparc__) || defined(__sparc_v9__))
+#    define SPARC
+#    define NETBSD
+#    define mach_type_known
+# endif
+# if defined(__NetBSD__) && defined(__alpha__)
+#    define ALPHA
+#    define NETBSD
+#    define mach_type_known
+# endif
+# if defined(__NetBSD__) && (defined(arm32) || defined(__arm__))
 #    define ARM32
 #    define NETBSD
 #    define mach_type_known
@@ -241,7 +256,7 @@ typedef int GC_bool;
 # endif
 # if defined(__alpha) || defined(__alpha__)
 #   define ALPHA
-#   if !defined(LINUX)
+#   if !defined(LINUX) && !defined(NETBSD)
 #     define OSF1	/* a.k.a Digital Unix */
 #   endif
 #   define mach_type_known
@@ -294,6 +309,11 @@ typedef int GC_bool;
 #   define NETBSD
 #   define mach_type_known
 # endif
+# if defined(__NetBSD__) && defined(__x86_64__)
+#   define X86_64
+#   define NETBSD
+#   define mach_type_known
+# endif
 # if defined(bsdi) && defined(i386)
 #    define I386
 #    define BSDI
@@ -433,12 +453,12 @@ scm_get_stack_base ()
 /*
  * For each architecture and OS, the following need to be defined:
  *
- * CPP_WORD_SZ is a simple integer constant representing the word size.
+ * CPP_WORDSZ is a simple integer constant representing the word size.
  * in bits.  We assume byte addressibility, where a byte has 8 bits.
- * We also assume CPP_WORD_SZ is either 32 or 64.
+ * We also assume CPP_WORDSZ is either 32 or 64.
  * (We care about the length of pointers, not hardware
  * bus widths.  Thus a 64 bit processor with a C compiler that uses
- * 32 bit pointers should use CPP_WORD_SZ of 32, not 64. Default is 32.)
+ * 32 bit pointers should use CPP_WORDSZ of 32, not 64. Default is 32.)
  *
  * MACH_TYPE is a string representation of the machine type.
  * OS_TYPE is analogous for the OS.
@@ -983,6 +1003,21 @@ scm_get_stack_base ()
 #    endif
 # endif
 
+# ifdef X86_64
+#   define MACH_TYPE "X86_64"
+#   define ALIGNMENT 8
+#   define ALIGN_DOUBLE
+#   define CPP_WORDSZ 64
+#   ifdef NETBSD
+#	define OS_TYPE "NETBSD"
+#   endif
+#   if defined(NETBSD)
+#	define HEURISTIC2
+	extern char etext;
+#	define DATASTART ((ptr_t)(&etext))
+#   endif
+#   endif
+
 # ifdef NS32K
 #   define MACH_TYPE "NS32K"
 #   define ALIGNMENT 4


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