$NetBSD: patch-bb,v 1.1.1.1 2000/01/10 22:09:15 pooka Exp $

--- gc/gcconfig.h.orig	Thu Oct 21 22:06:14 1999
+++ gc/gcconfig.h	Mon Jan  3 09:08:17 2000
@@ -27,6 +27,11 @@
 #    define LINUX
 # endif
 
+# if defined(__NetBSD__)
+#    define NETBSD
+#    define unix /* symbol no longer defined by NetBSD */
+# endif
+
 /* Determine the machine type: */
 # if defined(sun) && defined(mc68000)
 #    define M68K
@@ -50,9 +55,12 @@
 # endif
 # if defined(__NetBSD__) && defined(m68k)
 #    define M68K
-#    define NETBSD
 #    define mach_type_known
 # endif
+# if defined(__NetBSD__) && defined(__powerpc__)
+#    define POWERPC
+#    define mach_type_unknown
+# endif
 # if defined(vax)
 #    define VAX
 #    ifdef ultrix
@@ -106,7 +114,7 @@
 #   define mach_type_known
 # endif
 # if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \
-     && !defined(__OpenBSD__)
+     && !defined(__OpenBSD__) && !defined(__NetBSD__)
 #   define SPARC
 #   define DRSNX
 #   define mach_type_known
@@ -115,6 +123,10 @@
 #   define RS6000
 #   define mach_type_known
 # endif
+# if defined(__NetBSD__) && defined(__sparc__)
+#   define SPARC
+#   define mach_type_known
+# endif
 # if defined(_M_XENIX) && defined(_M_SYSV) && defined(_M_I386)
 	/* The above test may need refinement	*/
 #   define I386
@@ -154,7 +166,7 @@
 # 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
@@ -203,7 +215,6 @@
 # endif
 # if defined(__NetBSD__) && defined(i386)
 #   define I386
-#   define NETBSD
 #   define mach_type_known
 # endif
 # if defined(bsdi) && defined(i386)
@@ -533,6 +544,14 @@
 #     define STACKBOTTOM ((ptr_t) 0xc0000000)
 #     define DATAEND	/* not needed */
 #   endif
+#   ifdef NETBSD
+#     define ALIGNMENT 4
+#     define OS_TYPE "NETBSD"
+#     define HEURISTIC2
+      extern char etext;
+#     define DATASTART GC_data_start
+#     define DYNAMIC_LOADING
+#   endif
 # endif
 
 # ifdef VAX
@@ -562,7 +581,6 @@
 #   define MACH_TYPE "SPARC"
 #   define ALIGNMENT 4	/* Required by hardware	*/
 #   define ALIGN_DOUBLE
-    extern int etext;
 #   ifdef SUNOS5
 #	define OS_TYPE "SUNOS5"
 	extern int _etext;
@@ -634,8 +652,20 @@
 #   ifdef OPENBSD
 #     define OS_TYPE "OPENBSD"
 #     define STACKBOTTOM ((ptr_t) 0xf8000000)
+      extern int etext;
 #     define DATASTART ((ptr_t)(&etext))
 #   endif
+#   ifdef NETBSD
+#     define OS_TYPE "NETBSD"
+#     define HEURISTIC2
+#     ifdef __ELF__
+#       define DATASTART GC_data_start
+#       define DYNAMIC_LOADING
+#     else
+        extern char etext;
+#       define DATASTART ((ptr_t)(&etext))
+#     endif
+#   endif
 # endif
 
 # ifdef I386
@@ -925,6 +955,14 @@
 # ifdef ALPHA
 #   define MACH_TYPE "ALPHA"
 #   define ALIGNMENT 8
+#   ifdef NETBSD
+#     define OSTYPE "NETBSD"
+#     define HEURISTIC2
+#     define DATASTART GC_data_start
+#     define ELF_CLASS ELFCLASS64
+#     define CPP_WORDSZ 64
+#     define DYNAMIC_LOADING
+#   endif
 #   ifdef OSF1
 #	define OS_TYPE "OSF1"
 #   	define DATASTART ((ptr_t) 0x140000000)