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diff --git a/libthreads/Makefile b/libthreads/Makefile
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+#
+# Mach Operating System
+# Copyright (c) 1991,1990,1989 Carnegie Mellon University
+# All Rights Reserved.
+# 
+# Permission to use, copy, modify and distribute this software and its
+# documentation is hereby granted, provided that both the copyright
+# notice and this permission notice appear in all copies of the
+# software, derivative works or modified versions, and any portions
+# thereof, and that both notices appear in supporting documentation.
+# 
+# CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+# CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+# ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+# 
+# Carnegie Mellon requests users of this software to return to
+# 
+#  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+#  School of Computer Science
+#  Carnegie Mellon University
+#  Pittsburgh PA 15213-3890
+# 
+# any improvements or extensions that they make and grant Carnegie Mellon
+# the rights to redistribute these changes.
+#
+#
+# HISTORY
+# $Log:	Makefile,v $
+# Revision 2.18  91/12/10  16:33:11  jsb
+# 	New files from Intel
+# 	[91/12/10  16:19:40  jsb]
+# 
+# Revision 2.17  91/09/04  11:29:10  jsb
+# 	Use cc860 for i860.
+# 	[91/09/04  11:23:25  jsb]
+# 
+# 	From Intel SSD: Added I860_CPP for i860 support.
+# 	[91/09/02  08:57:36  jsb]
+# 
+# Revision 2.16  91/08/24  12:32:09  af
+# 	Added MACHINE_CFLAGS switch to support the -Wf,-XNk150 flag for
+# 	 mips string space. Apparently "danner/n3" is enough longer than
+# 	 "dbg" to exhaust string space.
+# 	[91/08/21            danner]
+# 	Added better cpp technology to deal with gcc limitations. 
+# 	      Currently only an issue on luna88k.
+# 	[91/07/26            danner]
+# 	Made use of -ES vs. -E machine dependent, as luna88k does not
+# 	 like -ES.
+# 	[91/07/19            danner]
+# 
+# Revision 2.15.2.2  91/08/21  17:23:08  danner
+# 	Added MACHINE_CFLAGS switch to support the -Wf,-XNk150 flag for
+# 	 mips string space. Apparently "danner/n3" is enough longer than
+# 	 "dbg" to exhaust string space.
+# 	[91/08/21            danner]
+# 
+# Revision 2.15.2.1  91/08/19  13:49:22  danner
+# 	Added better cpp technology to deal with gcc limitations. 
+# 	      Currently only an issue on luna88k.
+# 	[91/07/26            danner]
+# 	Made use of -ES vs. -E machine dependent, as luna88k does not
+# 	 like -ES.
+# 	[91/07/19            danner]
+# 
+# Revision 2.15  91/07/31  18:32:16  dbg
+# 	Directly compile C files if INLINE is null (depends
+# 	on the machine).
+# 	Remove IBMRT-dependent fiddling for malloc.
+# 	[91/07/30  17:32:13  dbg]
+# 
+# Revision 2.14  91/05/14  17:55:53  mrt
+# 	Correcting copyright
+# 
+# Revision 2.13  91/02/14  14:19:15  mrt
+# 	Added new Mach copyright
+# 	[91/02/13  12:41:48  mrt]
+# 
+# Revision 2.12  90/11/05  14:36:32  rpd
+# 	Change MACHINE to TARGET_MACHINE.
+# 	[90/10/29            rwd]
+# 
+# Revision 2.11  90/09/09  14:34:39  rpd
+# 	Remove call.o
+# 	[90/08/24            rwd]
+# 
+# Revision 2.10  90/06/02  15:13:30  rpd
+# 	Compile with -DMACH_IPC_COMPAT=0.
+# 	[90/03/26  23:29:39  rpd]
+# 
+# Revision 2.9  90/05/29  18:40:08  rwd
+# 	Fix PMAX_ASFLAGS.
+# 	[90/05/22            rwd]
+# 
+# Revision 2.8  90/05/03  15:54:28  dbg
+# 	Use -ES switch to preprocess assembler files.
+# 	Not all machines' 'cc' can directly assemble .s files.
+# 	[90/04/23            dbg]
+# 
+# Revision 2.7  90/01/19  14:36:46  rwd
+# 	Added call.o
+# 	[90/01/03            rwd]
+# 
+# Revision 2.6  89/12/08  19:53:01  rwd
+# 	Use ASFLAGS for assembler, the mips one wants to know which
+# 	optimization level the C code was compiled at.
+# 	[89/12/06            af]
+# 
+# 	Changed CFLAGS to remove -g and add -O
+# 	[89/10/24            rwd]
+# 	Worked over for new merged coroutine-thread version.  Removed
+# 	task version.
+# 	[89/10/24            rwd]
+# 
+#
+
+LIB = libthreads.a
+
+COMMONFLAGS = -I. -DMACH_IPC_COMPAT=0
+COPTS = -MD $(COMMONFLAGS) $(PROFILE)
+CPPFLAGS = ${COPTS}
+CPPSWITCH = -ES
+DEFAULT_CPP = 	$(CC) $(CPPSWITCH) $(CPPFLAGS) 
+
+PMAX_CFLAGS = -Wf,-XNk150
+PMAX_ASFLAGS= -O -nocpp
+
+LUNA88K_CPP =   cpp ${COPTS}
+
+I860_CPP = /lib/cpp ${COPTS}
+I860_CC = cc860
+I860_AS = as860
+I860_AR = ar860
+I860_RANLIB = ranlib860
+
+CFLAGS =  ${${TARGET_MACHINE}_CFLAGS} -O ${COPTS}
+ASFLAGS = ${${TARGET_MACHINE}_ASFLAGS}
+NCPP = $($(TARGET_MACHINE)_CPP?$($(TARGET_MACHINE)_CPP):$(DEFAULT_CPP)
+CC = $($(TARGET_MACHINE)_CC?$($(TARGET_MACHINE)_CC):cc)
+AS = $($(TARGET_MACHINE)_AS?$($(TARGET_MACHINE)_AS):as)
+AR = $($(TARGET_MACHINE)_AR?$($(TARGET_MACHINE)_AR):ar)
+RANLIB = $($(TARGET_MACHINE)_RANLIB?$($(TARGET_MACHINE)_RANLIB):ranlib)
+
+I = -c -d -v
+
+# Use the following definition to enable inline expansion.
+#VAX_INLINE = awk -f cthread_inline.awk
+#SUN3_INLINE = awk -f cthread_inline.awk
+
+INLINE = ${${TARGET_MACHINE}_INLINE}
+
+INLINE_C_RULE = \
+	$(CC) $(CFLAGS) -S $*.c &&	\
+	$(MV) $*.s $*.S &&		\
+	$(INLINE) $*.S > $*.s &&	\
+	$(AS) $(ASFLAGS) -o $@ $*.s &&	\
+	$(RM) $(RMFLAGS) $*.s $*.S
+
+NORMAL_C_RULE = \
+	$(CC) $(CFLAGS) -c -o $@ $*.c
+
+C_RULE = ${${TARGET_MACHINE}_INLINE?${INLINE_C_RULE}:${NORMAL_C_RULE}}
+
+.SUFFIXES: .c .o
+
+.c.o:
+	${C_RULE}
+
+SRCS = cprocs.c cthreads.c malloc.c \
+       mig_support.c stack.c sync.c \
+       machine/thread.c
+
+OBJS = $(LIB)(cprocs.o) $(LIB)(cthreads.o) $(LIB)(malloc.o) \
+       $(LIB)(mig_support.o) $(LIB)(stack.o) $(LIB)(sync.o) \
+       $(LIB)(thread.o) $(LIB)(lock.o) $(LIB)(csw.o)
+
+lib: $(LIB)
+
+include: machine ckdir
+	mach_install $I cthreads.h $(DSTBASE)/include
+
+machine:
+	-if [ -d machine ]; then true; else ln -s $(machine) machine; fi
+
+clean:
+	$(RM) $(RMFLAGS) machine lib*.a Makedep* a.out core errs \
+			 *.d *.s *.S *.o *.BAK *.CKP */*.BAK */*.CKP
+
+#
+# Get inline expansion file before we do anything else.
+#
+.INIT:	cthread_inline.awk
+
+cthread_inline.awk: machine/cthread_inline.awk
+	-if [ -f $@ ]; then chmod 644 $@; else true; fi
+	cp -p machine/$@ $@
+
+# The following are the "generic" rules,
+# parameterized by LIB, IMPL, and PROFILE.
+
+$(LIB): $(OBJS)
+	$(AR) r$(ARFLAGS) $(LIB) $?
+	$(RANLIB) $(LIB)
+	$(RM) $(RMFLAGS) $?
+# Avoid complaints from md in case Makedep doesn't exist yet.
+	touch Makedep
+	md -m Makedep -d *.d
+# Massage dependency file to reflect object files within library.
+	cp Makedep Makedep.BAK
+	sed 's/^[^ #$$]*\.o/$$(LIB)(&)/' < Makedep.BAK > Makedep
+	rm Makedep.BAK
+
+$(LIB)(thread.o): machine/thread.c
+	$(CC) $(CFLAGS) -c machine/thread.c
+
+$(LIB)(lock.o): machine/lock.s
+	$(NCPP)machine/lock.s > $*.as
+	$(AS) $(ASFLAGS) -o $@ $*.as
+	$(RM) $(RMFLAGS) $*.as
+
+$(LIB)(csw.o): machine/csw.s
+	$(NCPP) machine/csw.s > $*.as
+	$(AS) $(ASFLAGS) -o $@ $*.as
+	$(RM) $(RMFLAGS) $*.as
+
+-include Makedep