# Generic configuration for Hurd compilation

all:

# This is the directory into which Hurd cross-building tools are placed
hurdinst := /home/hm1/hurdinst

# This is the directory which serves as root for the Hurd.
hostname := $(shell hostname)
hurdroot-douglas.gnu.ai.mit.edu = /home/hm2/hurdroot
hurdroot-ernst.gnu.ai.mit.edu = home/hm1/hurdroot
hurdroot := $(hurdroot-$(hostname))

# This is the device with the filesystem mounted as $(hurdroot)
hurdrootdev := /dev/hd0f

# This is the directory containing the top-level Hurd source (and this file).
hurdsource := /home/gd3/gnu/hurd

# Where to find various things for compilation:
headers := $(hurdinst)/include
startup := $(hurdinst)/lib/crt0.o
libc := $(hurdinst)/lib/libc.a
libthreads := $(hurdinst)/lib/libthreads.a
libports := $(hurdinst)/lib/libports.a
libioserver := $(hurdinst)/lib/libioserver.a
libpager := $(hurdinst)/lib/libpager.a
libfshelp := $(hurdinst)/lib/libfshelp.a
libdiskfs := $(hurdinst)/lib/libdiskfs.a

# Finding binaries
include $(hurdsource)/Maketools

gccheaders = /usr/local/lib/gcc-lib/$(CCTARGET)/$(CCVERSION)/include
libgcc := -lgcc

# Flags for compilation
CPPFLAGS := -nostdinc -I$(headers) -I$(gccheaders)
CFLAGS := -Wall -Wno-parentheses -g

# How to do some things:

ldflags = $(addprefix -Xlinker ,$(LDFLAGS)) 

# $(link) uses threads to get malloc until the one in the library is fixed.

define link
$(CC) -nostdlib -e __start $(ldflags) -o $@ $(CFLAGS) $(startup) \
$(OBJS) $(LIBS) $(libthreads) $(libc) $(libgcc)
endef


# Mounting $(hurdroot)
ifeq ($(hurdroot),)
$(hurdroot): force
	echo Cannot do install on this machine.
	false
else
$(hurdroot): $(hurdroot)/mounted
$(hurdroot)/mounted:
	fsck -p $(hurdrootdev)
	mount $(hurdrootdev)
endif


# Making a snapshot

lndist: $(DIST_FILES) $(hurdsource)/hurd-snap/$(dir)
	ln $(DIST_FILES) $(hurdsource)/hurd-snap/$(dir)

ifeq ($(dir),.)
$(hurdsource)/hurd-snap/$(dir):
else
$(hurdsource)/hurd-snap/$(dir):
	mkdir $(hurdsource)/hurd-snap/$(dir)
endif


# Dependencies for building libraries

ifneq ($(strip $(dir)),libports)
$(libports): FORCE
	$(MAKE) -C $(hurdsource)/libports $(libports)
$(headers)/hurd/ports.h: FORCE
	$(MAKE) -C $(hurdsource)/libports $(headers)/hurd/ports.h
endif

ifneq ($(strip $(dir)),libioserver)
$(libioserver): FORCE
	$(MAKE) -C $(hurdsource)/libioserver $(libioserver)
$(headers)/hurd/ioserver.h: FORCE
	$(MAKE) -C $(hurdsource)/libioserver $(headers)/hurd/ioserver.h
endif

ifneq ($(strip $(dir)),libpager)
$(libpager): FORCE
	$(MAKE) -C $(hurdsource)/libpager $(libpager)
$(headers)/hurd/pager.h: FORCE
	$(MAKE) -C $(hurdsource)/libpager $(headers)/hurd/pager.h
endif

ifneq ($(strip $(dir)),libdiskfs)
$(libdiskfs): FORCE
	$(MAKE) -C $(hurdsource)/libdiskfs $(libdiskfs)
$(headers)/hurd/diskfs.h: FORCE
	$(MAKE) -C $(hurdsource)/libdiskfs $(headers)/hurd/diskfs.h
endif

ifneq ($(strip $(dir)),libfshelp)
$(libfshelp): FORCE
	$(MAKE) -C $(hurdsource)/libfshelp $(libfshelp)
$(headers)/hurd/fshelp.h: FORCE
	$(MAKE) -C $(hurdsource)/libfshelp $(headers)/hurd/fshelp.h
endif

FORCE: