Add NetBSD support

Makefile

@@ -56,6 +56,8 @@ default:
 	@echo "linux-arm"
 	@echo "openbsd-x86-32"
 	@echo "openbsd-x86-64"
+	@echo "netbsd-x86-32"
+	@echo "netbsd-x86-64"
 	@echo "macosx-x86-32"
 	@echo "macosx-x86-64"
 	@echo "macosx-ppc"
@@ -83,6 +85,12 @@ freebsd-x86-32:
 freebsd-x86-64:
 	$(MAKE) $(EXECUTABLE) CONFIG=vm/Config.freebsd.x86.64
 
+netbsd-x86-32:
+	$(MAKE) $(EXECUTABLE) CONFIG=vm/Config.netbsd.x86.32
+
+netbsd-x86-64:
+	$(MAKE) $(EXECUTABLE) CONFIG=vm/Config.netbsd.x86.64
+
 macosx-freetype:
 	ln -sf libfreetype.6.dylib \
 		Factor.app/Contents/Frameworks/libfreetype.dylib

core/system/system-docs.factor

@@ -49,6 +49,7 @@ HELP: os
         "linux"
         "macosx"
         "openbsd"
+        "netbsd"
         "solaris"
         "windows"
     }

core/system/system.factor

@@ -39,11 +39,11 @@ splitting assocs ;
 
 : unix? ( -- ? )
     os {
-        "freebsd" "openbsd" "linux" "macosx" "solaris"
+        "freebsd" "openbsd" "netbsd" "linux" "macosx" "solaris"
     } member? ;
 
 : bsd? ( -- ? )
-    os { "freebsd" "openbsd" "macosx" } member? ;
+    os { "freebsd" "openbsd" "netbsd" "macosx" } member? ;
 
 : linux? ( -- ? )
     os "linux" = ;

vm/Config.netbsd

@@ -0,0 +1,4 @@
+include vm/Config.unix
+PLAF_DLL_OBJS += vm/os-genunix.o vm/os-netbsd.o
+CFLAGS += -export-dynamic
+LIBS = -L/usr/local/lib/ -L/usr/pkg/lib -Wl,-rpath,/usr/pkg/lib -lm $(X11_UI_LIBS)

vm/Config.netbsd.x86.32

@@ -0,0 +1,2 @@
+include vm/Config.netbsd
+include vm/Config.x86.32

vm/Config.netbsd.x86.64

@@ -0,0 +1,2 @@
+include vm/Config.netbsd
+include vm/Config.x86.64

vm/os-netbsd.c

@@ -0,0 +1,6 @@
+#include "master.h"
+
+const char *vm_executable_path(void)
+{
+	return NULL;
+}

vm/os-netbsd.h

@@ -0,0 +1,9 @@
+#include <ucontext.h>
+
+#define ucontext_stack_pointer(uap) ((void *)_UC_MACHINE_SP((ucontext_t *)uap))
+#define UAP_PROGRAM_COUNTER(uap)    _UC_MACHINE_PC((ucontext_t *)uap)
+
+#define UNKNOWN_TYPE_P(file) ((file)->d_type == DT_UNKNOWN)
+#define DIRECTORY_P(file) ((file)->d_type == DT_DIR)
+
+extern char **environ;

vm/platform.h

@@ -58,6 +58,9 @@
 			#else
 				#error "Unsupported OpenBSD flavor"
 			#endif
+		#elif defined(__NetBSD__)
+			#define FACTOR_OS_STRING "netbsd"
+			#include "os-netbsd.h"
 		#elif defined(linux)
 			#define FACTOR_OS_STRING "linux"
 			#include "os-linux.h"