$OpenBSD$
--- build/server.mk.orig	Sun Jun 13 11:47:44 2010
+++ build/server.mk	Fri Sep  3 00:21:24 2010
@@ -49,7 +49,7 @@ ifeq ($(HARD_LINKED_GAME),1)
 	DEDICATED_CFLAGS+=$(GAME_CFLAGS)
 endif
 
-ifneq ($(findstring $(TARGET_OS), netbsd freebsd linux-gnu),)
+ifneq ($(findstring $(TARGET_OS), netbsd freebsd openbsd linux-gnu),)
 	SERVER_SRCS += \
 		ports/linux/linux_main.c \
 		ports/unix/unix_console.c \
@@ -100,7 +100,7 @@ $(SERVER_TARGET): $(SERVER_OBJS)
 # Say how to build .o files from .c files for this module
 $(BUILDDIR)/server/%.o: $(SRCDIR)/%.c
 	@echo " * [DED] $<"; \
-		$(CC) $(CFLAGS) $(DEDICATED_CFLAGS) $(SDL_CFLAGS) -o $@ -c $< $(CFLAGS_M_OPTS)
+		$(CC) $(CPPFLAGS) $(CFLAGS) $(DEDICATED_CFLAGS) $(SDL_CFLAGS) -o $@ -c $< $(CFLAGS_M_OPTS)
 
 ifeq ($(TARGET_OS),mingw32)
 # Say how to build .o files from .rc files for this module
@@ -112,4 +112,4 @@ endif
 # Say how to build .o files from .m files for this module
 $(BUILDDIR)/server/%.o: $(SRCDIR)/%.m
 	@echo " * [DED] $<"; \
-		$(CC) $(CFLAGS) $(DEDICATED_CFLAGS) $(SDL_CFLAGS) -o $@ -c $< $(CFLAGS_M_OPTS)
+		$(CC) $(CPPFLAGS) $(CFLAGS) $(DEDICATED_CFLAGS) $(SDL_CFLAGS) -o $@ -c $< $(CFLAGS_M_OPTS)