$NetBSD: patch-ac,v 1.3 2005/11/04 09:56:09 rillig Exp $

--- unix/tclUnixInit.c.orig	Fri Aug 24 19:13:22 2001
+++ unix/tclUnixInit.c
@@ -13,7 +13,7 @@
 #include "tclInt.h"
 #include "tclPort.h"
 #include <locale.h>
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
 #   include <floatingpoint.h>
 #endif
 #if defined(__bsdi__)
@@ -22,6 +22,11 @@
 #	include <dlfcn.h>
 #   endif
 #endif
+#if defined(__NetBSD__)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/utsname.h>
+#endif
 
 /*
  * The Init script (common to Windows and Unix platforms) is
@@ -132,7 +137,7 @@ TclpInitPlatform()
     (void) signal(SIGPIPE, SIG_IGN);
 #endif /* SIGPIPE */
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__DragonFly__)
     fpsetround(FP_RN);
     fpsetmask(0L);
 #endif
@@ -550,6 +555,11 @@ TclpSetVariables(interp)
     int unameOK;
     char *user;
     Tcl_DString ds;
+#if defined(__NetBSD__)
+    char machine_arch[SYS_NMLN];
+    int mib[2] = { CTL_HW, HW_MACHINE_ARCH };
+    size_t len = sizeof(machine_arch);
+#endif
 
     Tcl_SetVar(interp, "tclDefaultLibrary", defaultLibraryDir, TCL_GLOBAL_ONLY);
     Tcl_SetVar(interp, "tcl_pkgPath", pkgPath, TCL_GLOBAL_ONLY);
@@ -585,8 +595,16 @@ TclpSetVariables(interp)
 	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.release,
 		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE);
 	}
+#if defined(__NetBSD__)
+	if (sysctl(mib, sizeof(mib) / sizeof(int), machine_arch, &len, NULL, 0) < 0)
+	    unameOK = 0;
+	else
+	    Tcl_SetVar2(interp, "tcl_platform", "machine", machine_arch,
+		    TCL_GLOBAL_ONLY);
+#else
 	Tcl_SetVar2(interp, "tcl_platform", "machine", name.machine,
 		TCL_GLOBAL_ONLY);
+#endif
     }
 #endif
     if (!unameOK) {