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