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+# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB.  If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+subdir := mach
+
+all:
+
+# Some things below (but before including Rules) use configuration variables.
+include ../Makeconfig
+
+
+headers = mach_init.h mach.h mach_error.h mach-shortcuts.h \
+	  $(interface-headers) mach/mach.h mach/mig_support.h mach/error.h \
+	  $(lock-headers) machine-sp.h
+distribute = thread_state.h
+lock = spin-solid spin-lock mutex-solid
+lock-headers = lock-intern.h machine-lock.h spin-lock.h
+routines = $(mach-syscalls) $(mach-shortcuts) \
+	   mach_init mig_strncpy msg \
+	   mig-alloc mig-dealloc mig-reply \
+	   msg-destroy msgserver \
+	   mach_error errstring error_compat errsystems \
+	   devstream bootprivport setup-thread $(lock)
+# The RPC interfaces go in a separate library.
+interface-library := libmachuser.a
+user-interfaces := $(addprefix mach/,mach_interface mach_port mach_host	\
+				     memory_object_user			\
+				     memory_object_default		\
+				     exc mach4				\
+	            )\
+		   $(addprefix device/,device device_request)
+server-interfaces := device/device_reply mach/exc mach/notify
+tests := hello
+# It is important that we do not use the wildcard function to expand
+# `err_*.sub'.  Leaving the wildcard allows Make-dist to find all matching
+# files in all sysdep directories.
+distribute += Machrules syscalls.awk shortcut.awk \
+	      errorlib.h err_*.sub
+
+
+# Clear any environment	value.
+generated =
+
+# Get the proper definition of `mach-srcdir'.
+include ../sysdeps/mach/Makefile
+
+# Use and install the Mach header files directly out of the Mach kernel source.
+
+# Find the MiG defs files in the kernel source.
+vpath %.defs $(mach-srcdir)
+
+# Install all .h and .defs files we find in some of the kernel's source
+# directories and their subdirectories (in MK82, max one level deep).
+mach-src-headers := $(wildcard $(foreach dir,mach device mach_debug \
+					     $(config-machine),\
+					 $(addprefix $(mach-srcdir)/$(dir)/,\
+						     *.defs *.h \
+						     */*.defs */*.h)))
+# Exclude mach/machine/*.  A symlink will be installed for mach/machine.
+# Exclude $(headers) for Mach files we have our own versions of.
+mach-headers = $(filter-out mach/machine/% $(headers),\
+			    $(mach-src-headers:$(mach-srcdir)/%=%))
+# Rename Mach's sys/version.h to mach/version.h.
+mach-headers := $(patsubst sys/version.h,mach/version.h,$(mach-headers))
+
+# Don't distribute the Mach headers; they are in the Mach distribution.
+dont_distribute = $(mach-headers)
+
+# DO NOT try to remake these in any way!!!
+$(addprefix $(mach-srcdir)/,$(mach-headers)) : ;
+install-others += $(addprefix $(includedir)/,$(mach-headers))
+$(includedir)/%: $(mach-srcdir)/%; $(do-install)
+
+# Make symlinks for machine and mach/machine in the include directory.
+install-others += $(includedir)/mach/machine $(includedir)/machine
+$(includedir)/mach/machine $(includedir)/machine: $(common-objpfx)config.make
+	-rm -f $@
+	cd $(@D); ln -s $(config-machine) $(@F)
+
+# Install Mach's <sys/version.h> as <mach/version.h>.
+install-others += $(includedir)/mach/version.h
+$(includedir)/mach/version.h: $(mach-srcdir)/sys/version.h; $(do-install)
+
+# Define mach-syscalls and sysno-*.
+ifndef inhibit_mach_syscalls
+include $(objpfx)mach-syscalls.mk
+endif
+$(objpfx)mach-syscalls.mk: mach/syscall_sw.h syscalls.awk
+# Go kludges!!!
+	sed -n -e '/Unix server implement them/,$$d' \
+	       -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\
+	< $< | awk -f $(word 2,$^) > $@-new
+	mv $@-new $@
+generated += mach-syscalls.mk
+
+ifndef mach-syscalls
+# We cannot make the deps properly until we know how to make the system
+# call functions, and for that we must know what they all are.
+no_deps=t
+else
+$(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
+	(echo '#include <sysdep.h>'; \
+	 echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \
+	 echo 'weak_alias (__$*, $*)') > $@-new
+	 mv $@-new $@
+generated += $(mach-syscalls:=.S)
+endif	# mach-syscalls
+
+# syscall_device_writev_request has no RPC equivalent.
+mach-shortcuts := $(filter-out device_writev_request,\
+		  $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls))))
+
+ifndef mach-shortcuts
+# Forget about mach_interface.defs for this run.  On the next run,
+# $(mach-shortcuts) will be set, and that will change how
+# mach_interface.defs is processed: it will get the -D flags below.
+user-interfaces := $(filter-out mach/mach_interface \
+				mach/mach_port mach/mach_host mach/mach4 \
+				device/device_request,\
+				$(user-interfaces))
+endif
+
+# Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
+migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
+mach/mach_interface.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
+
+ifdef mach-shortcuts
+$(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
+						$(objpfx)RPC_%_rpc.c
+	gawk -v alias=$* -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
+	     -f $^ > $@-new
+	mv $@-new $@
+generated += $(mach-shortcuts:%=%.c)
+endif	# mach-shortcuts
+
+# Generate mach-shortcuts.h, which will contain the prototypes for the
+# shortcutted kernel RPC functions.
+$(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
+			   $(objpfx)mach/mach_port.h
+# The first line gets us one paragraph per line, with @s separating real lines.
+# The second line selects paragraphs for the shortcutted functions.
+# The third line removes `_rpc' from the names and rerealifies the lines.
+	cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
+	| grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
+	| sed 's/_rpc//g' | tr @ \\012 > $@-new
+	mv $@-new $@
+generated += mach-shortcuts.h
+
+before-compile += $(objpfx)mach-shortcuts.h
+
+include Machrules
+include ../Rules
+
+
+# There is already a mach.h, so mach.defs generates mach_interface.h.
+$(objpfx)mach/mach_interface.defs: $(mach-srcdir)/mach/mach.defs
+	ln $< $@ || cp $< $@
+# There is already a memory_object.h,
+# so memory_object.defs generates memory_object_user.h.
+$(objpfx)mach/memory_object_user.defs: $(mach-srcdir)/mach/memory_object.defs
+	ln $< $@ || cp $< $@
+
+ifdef objdir
+vpath mach/mach_interface.defs $(objdir)
+vpath mach/memory_object_user.defs $(objdir)
+endif
+
+# Be sure not to make these with implicit rules from foo.defs.
+mach.h mach/memory_object.h: ;
+
+ifeq (,)
+# XXX we have an errsystems.c here because a gcc bug makes the generated
+# version lose.
+else
+generated += errsystems.c
+$(objpfx)errsystems.c: errsystems.awk err_*.sub \
+		       $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
+	gawk -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
+	mv $@.n $@
+endif