--- gcc/Makefile	2018/04/24 16:48:17	1.1.1.12
+++ gcc/Makefile	2018/04/24 16:51:47	1.1.1.15
@@ -3,42 +3,27 @@
 
 #This file is part of GNU CC.
 
+#GNU CC is free software; you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation; either version 1, or (at your option)
+#any later version.
+
 #GNU CC is distributed in the hope that it will be useful,
-#but WITHOUT ANY WARRANTY.  No author or distributor
-#accepts responsibility to anyone for the consequences of using it
-#or for whether it serves any particular purpose or works at all,
-#unless he says so in writing.  Refer to the GNU CC General Public
-#License for full details.
-
-#Everyone is granted permission to copy, modify and redistribute
-#GNU CC, but only under the conditions described in the
-#GNU CC General Public License.   A copy of this license is
-#supposed to have been given to you along with GNU CC so you
-#can know your rights and responsibilities.  It should be in a
-#file named COPYING.  Among other things, the copyright notice
-#and this notice must be preserved on all copies.
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
 
+#You should have received a copy of the GNU General Public License
+#along with GNU CC; see the file COPYING.  If not, write to
+#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 
-CFLAGS = -g
-CC = cc
-# OLDCC should not be the GNU C compiler.
-OLDCC = cc
-BISON = bison
-BISONFLAGS = -v
-AR = ar
-SHELL = /bin/sh
-# on sysV, define this as cp.
-INSTALL = install
 
-# Directory in which to put the executable for the command `gcc'
-bindir = $(prefix)/usr/local/bin
-# Directory in which to put the subprograms used by the compiler.
-libdir = $(prefix)/usr/local/lib
-# Directory in which to put man pages.
-mandir = $(prefix)/usr/local/man/man1
+# Variables you should change for certain systems:
 
 # These are what you would need on HPUX:
 # CFLAGS = -Wc,-Ns2000 -Wc,-Ne700 -Wc,-Np300
+# If you are using the GNU assembler and linker on HPUX,
+# add -I../hp-include to CFLAGS.
 # -g is desirable in CFLAGS, but a compiler bug in HPUX version 5
 # bites whenever tree.def, rtl.def or machmode.def is included
 # (ie., on every source file).
@@ -46,10 +31,6 @@ mandir = $(prefix)/usr/local/man/man1
 # For CCLIBFLAGS you might want to specify the switch that
 # forces only 68000 instructions to be used.
 
-# If you are using gas on hp-ux you need the following to fake up some
-# system file definitions:
-# CFLAGS = -g -I../hp-include
-
 # If you are making gcc for the first time, and if you are compiling it with
 # a non-gcc compiler, and if your system doesn't have a working alloca() in any
 # of the standard libraries (as is true for HP/UX or Genix),
@@ -64,8 +45,43 @@ mandir = $(prefix)/usr/local/man/man1
 # malloc.c and getpagesize.h from GNU Emacs and un-comment the following line:
 # MALLOC = malloc.o
 
-# If you are running GCC on an Apollo, you will need this:
-# CFLAGS = -g -O -M 3000 -U__STDC__ -DSHORT_ENUM_BUG
+# If you are running GCC on an Apollo (SR10.x),
+# go into a Berkeley environment and use this:
+# CFLAGS = -g -A nansi -A cpu,3000 -A runtype,bsd4.3 -A systype,any -DSHORT_ENUM_BUG
+# (Says vasta@apollo.com.)
+
+
+# Variables that exist for you to override.
+
+CFLAGS = -g $(XCFLAGS)
+CC = cc
+BISON = bison
+BISONFLAGS = -v
+AR = ar
+SHELL = /bin/sh
+# on sysV, define this as cp.
+INSTALL = install -c
+
+# Compiler to use for compiling gnulib.
+# OLDCC should not be the GNU C compiler.
+OLDCC = cc
+
+# CFLAGS for use with OLDCC, for compiling gnulib.
+CCLIBFLAGS=
+
+# Directory where sources are, from where we are.
+srcdir = .
+# Directory in which to put the executable for the command `gcc'
+bindir = $(prefix)/usr/local/bin
+# Directory in which to put the subprograms used by the compiler.
+libdir = $(prefix)/usr/local/lib
+# Directory in which to put man pages.
+mandir = $(prefix)/usr/local/man/man1
+# Number to put in man-page filename.
+manext = 1
+
+# Additional system libraries to link with.
+CLIB=
 
 # Change this to a null string if obstacks are installed in the
 # system library.
@@ -81,6 +97,12 @@ LIBS = $(OBSTACK) $(ALLOCA) $(MALLOC) $(
 
 DIR = ../gcc
 
+# End of variables for you to override.
+
+# Always use -I$(srcdir)/config when compiling.
+.c.o:
+	$(CC) -c $(CFLAGS) $(CPPFLAGS) -I$(srcdir)/config $<
+
 # Language-specific object files for C.
 C_OBJS = c-parse.tab.o c-decl.o c-typeck.o c-convert.o
 
@@ -95,8 +117,8 @@ OBJS = toplev.o version.o tree.o print-t
  rtl.o expr.o stmt.o expmed.o explow.o optabs.o varasm.o \
  symout.o dbxout.o sdbout.o emit-rtl.o insn-emit.o \
  integrate.o jump.o cse.o loop.o flow.o stupid.o combine.o \
- regclass.o local-alloc.o global-alloc.o reload.o reload1.o insn-peep.o \
- final.o recog.o insn-recog.o insn-extract.o insn-output.o
+ regclass.o local-alloc.o global-alloc.o reload.o reload1.o caller-save.o \
+ insn-peep.o final.o recog.o insn-recog.o insn-extract.o insn-output.o
 
 # Files to be copied away after each stage in building.
 STAGE_GCC=gcc
@@ -114,6 +136,10 @@ LIBFUNCS = _eprintf _builtin_new _builti
    _floatsidf _floatdidf _truncdfsf2 _extendsfdf2 \
    _addsf3 _negsf2 _subsf3 _cmpsf2 _mulsf3 _divsf3 _varargs
 
+# Library members defined in gnulib2.c.
+LIB2FUNCS = _adddi3 _subdi3 _muldi3 _divdi3 _moddi3 _udivdi3 _umoddi3 _negdi2 \
+    _div_internal
+
 # Header files that are made available to programs compiled with gcc.
 USER_H = stddef.h stdarg.h assert.h varargs.h va-*.h limits.h
 
@@ -121,12 +147,14 @@ USER_H = stddef.h stdarg.h assert.h vara
 # CONFIG_H = config.h tm.h
 CONFIG_H =
 RTL_H = rtl.h rtl.def machmode.def
-TREE_H = tree.h tree.def machmode.def
+TREE_H = tree.h real.h tree.def machmode.def
 CPLUS_TREE_H = $(TREE_H) cplus-tree.h c-tree.h
 
-all: gnulib gcc cc1 cpp # cc1plus
+all: gnulib gcc cc1 cpp # cc1plus gnulib2
 
-lang-c: gnulib gcc cc1 cpp
+# gnulib2 is commented out in 1.35 since it's too late for real testing.
+# Do `make gnulib2' explicitly if you want `long long' support.
+lang-c: gnulib gcc cc1 cpp # gnulib2
 # lang-cplus: gnulib gcc cc1plus cpp
 
 doc: cpp.info gplus.info gcc.info
@@ -139,7 +167,9 @@ gcc: gcc.o version.o $(LIBDEPS)
 	mv gccnew gcc
 
 gcc.o: gcc.c $(CONFIG_H)
-	$(CC) $(CFLAGS) -c -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc-\" gcc.c
+	$(CC) $(CFLAGS) -I$(srcdir)/config \
+  -DSTANDARD_STARTFILE_PREFIX=\"$(libdir)/\" \
+  -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc-\" -c gcc.c
 
 cc1: $(C_OBJS) $(OBJS) $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o cc1 $(C_OBJS) $(OBJS) $(LIBS)
@@ -149,6 +179,7 @@ cc1plus: $(CPLUS_OBJS) $(OBJS) $(LIBDEPS
 
 #Library of arithmetic subroutines
 # Don't compile this with gcc!
+# (That would cause most arithmetic functions to call themselves.)
 gnulib: gnulib.c
 	-mkdir libtemp
 	cd libtemp; \
@@ -158,18 +189,36 @@ gnulib: gnulib.c
 	  echo $${name}; \
 	  rm -f $${name}.c; \
 	  cp ../gnulib.c $${name}.c; \
-	  $(OLDCC) $(CCLIBFLAGS) -O -I.. -c -DL$${name} $${name}.c; \
+	  $(OLDCC) $(CCLIBFLAGS) -O -I.. -I../config -c -DL$${name} $${name}.c; \
 	  $(AR) qc gnulib $${name}.o; \
 	done
 	mv libtemp/gnulib .
 	rm -rf libtemp
 	if [ -f /usr/bin/ranlib ] ; then  ranlib gnulib ;fi
 # On HPUX, if you are working with the GNU assembler and linker,
-# the previous line must be replaced with
+# the previous line must be replaced with the following two lines.
 # No change is needed here if you are using the HPUX assembler and linker.
 #	mv gnulib gnulib-hp
-#	hpxt gnulib-hp gnulib
+#	../hp-bin/hpxt gnulib-hp gnulib
 
+gnulib2: stamp-gnulib2 ;
+stamp-gnulib2: gnulib2.c
+	-mkdir libtemp
+	cd libtemp; \
+	cp ../gnulib .; \
+	for name in $(LIB2FUNCS); \
+	do \
+	  echo $${name}; \
+	  rm -f $${name}.c; \
+	  cp ../gnulib2.c $${name}.c; \
+	  ../gcc -B../ -fstrength-reduce -O -I.. -I../config -c -DL$${name} $${name}.c; \
+	  $(AR) qc gnulib $${name}.o; \
+	done
+	mv libtemp/gnulib .
+	rm -rf libtemp
+	if [ -f /usr/bin/ranlib ] ; then  ranlib gnulib ;fi
+	touch stamp-gnulib2
+# On HPUX, this might require some change; no one has tried it.
 
 # C language specific files.
 
@@ -184,7 +233,8 @@ c-convert.o : c-convert.c $(CONFIG_H) $(
 # C++ language specific files.
 
 cplus-parse.o : cplus-parse.c $(CONFIG_H) $(CPLUS_TREE_H) flags.h
-	$(CC) -c $(CFLAGS) -DPARSE_OUTPUT=\"$(PWD)/cplus-parse.output\" cplus-parse.c
+	$(CC) -c $(CFLAGS) -I$(srcdir)/config \
+  -DPARSE_OUTPUT=\"$(PWD)/cplus-parse.output\" cplus-parse.c
 
 cplus-parse.h cplus-parse.c : cplus-parse.y
 	@echo expect 49 shift/reduce conflicts and 4 reduce/reduce conflicts
@@ -202,7 +252,7 @@ new-method.o : new-method.c $(CONFIG_H)
 
 # Language-independent files.
 
-tree.o : tree.c $(CONFIG_H) $(TREE_H)
+tree.o : tree.c $(CONFIG_H) $(TREE_H) flags.h
 print-tree.o : print-tree.c $(CONFIG_H) $(TREE_H)
 stor-layout.o : stor-layout.c $(CONFIG_H) $(TREE_H)
 fold-const.o : fold-const.c $(CONFIG_H) $(TREE_H)
@@ -210,7 +260,8 @@ toplev.o : toplev.c $(CONFIG_H) $(TREE_H
 
 rtl.o : rtl.c $(CONFIG_H) $(RTL_H)
 
-varasm.o : varasm.c $(CONFIG_H) $(TREE_H) $(RTL_H) flags.h expr.h insn-codes.h
+varasm.o : varasm.c $(CONFIG_H) $(TREE_H) $(RTL_H) flags.h expr.h \
+   insn-codes.h hard-reg-set.h
 stmt.o : stmt.c $(CONFIG_H) $(RTL_H) $(TREE_H) flags.h  \
    insn-flags.h expr.h insn-config.h regs.h insn-codes.h
 expr.o : expr.c $(CONFIG_H) $(RTL_H) $(TREE_H) flags.h  \
@@ -224,7 +275,7 @@ symout.o : symout.c $(CONFIG_H) $(TREE_H
 dbxout.o : dbxout.c $(CONFIG_H) $(TREE_H) $(RTL_H) flags.h
 sdbout.o : sdbout.c $(CONFIG_H) $(TREE_H) $(RTL_H) c-tree.h
 
-emit-rtl.o : emit-rtl.c $(CONFIG_H) $(RTL_H) regs.h insn-config.h
+emit-rtl.o : emit-rtl.c $(CONFIG_H) $(RTL_H) regs.h insn-config.h real.h
 
 integrate.o : integrate.c $(CONFIG_H) $(RTL_H) $(TREE_H) flags.h expr.h \
    insn-flags.h insn-codes.h
@@ -232,8 +283,9 @@ integrate.o : integrate.c $(CONFIG_H) $(
 jump.o : jump.c $(CONFIG_H) $(RTL_H) flags.h regs.h
 stupid.o : stupid.c $(CONFIG_H) $(RTL_H) regs.h hard-reg-set.h
 
-cse.o : cse.c $(CONFIG_H) $(RTL_H) regs.h hard-reg-set.h flags.h
-loop.o : loop.c $(CONFIG_H) $(RTL_H) insn-config.h regs.h recog.h flags.h expr.h
+cse.o : cse.c $(CONFIG_H) $(RTL_H) regs.h hard-reg-set.h flags.h real.h
+loop.o : loop.c $(CONFIG_H) $(RTL_H) insn-config.h insn-codes.h \
+   regs.h recog.h flags.h expr.h
 flow.o : flow.c $(CONFIG_H) $(RTL_H) basic-block.h regs.h hard-reg-set.h
 combine.o : combine.c $(CONFIG_H) $(RTL_H) flags.h  \
    insn-config.h regs.h basic-block.h recog.h
@@ -248,8 +300,10 @@ reload.o : reload.c $(CONFIG_H) $(RTL_H)
    reload.h recog.h hard-reg-set.h insn-config.h regs.h
 reload1.o : reload1.c $(CONFIG_H) $(RTL_H) flags.h  \
    reload.h regs.h hard-reg-set.h insn-config.h basic-block.h
+caller-save.o : caller-save.c $(CONFIG_H) $(RTL_H) flags.h \
+   reload.h regs.h hard-reg-set.h insn-config.h basic-block.h recog.h
 final.o : final.c $(CONFIG_H) $(RTL_H) regs.h recog.h conditions.h gdbfiles.h \
-   insn-config.h
+   insn-config.h real.h
 recog.o : recog.c $(CONFIG_H) $(RTL_H)  \
    regs.h recog.h hard-reg-set.h insn-config.h
 
@@ -272,64 +326,65 @@ alloca.o:	alloca.c
 
 # Each of the other insn-* files is handled by a similar pair of rules.
 
-insn-config.h: stamp-config.h
+insn-config.h: stamp-config.h ;
 stamp-config.h : md genconfig
 	./genconfig md > tmp-insn-config.h
 	./move-if-change tmp-insn-config.h insn-config.h
 	touch stamp-config.h
 
-insn-flags.h: stamp-flags.h
+insn-flags.h: stamp-flags.h ;
 stamp-flags.h : md genflags
 	./genflags md > tmp-insn-flags.h
 	./move-if-change tmp-insn-flags.h insn-flags.h
 	touch stamp-flags.h
 
-insn-codes.h: stamp-codes.h
+insn-codes.h: stamp-codes.h ;
 stamp-codes.h : md gencodes
 	./gencodes md > tmp-insn-codes.h
 	./move-if-change tmp-insn-codes.h insn-codes.h
 	touch stamp-codes.h
 
-insn-emit.o : insn-emit.c $(CONFIG_H) $(RTL_H) expr.h insn-config.h
-	$(CC) $(CFLAGS) -c insn-emit.c
+insn-emit.o : insn-emit.c $(CONFIG_H) $(RTL_H) expr.h insn-config.h real.h
+	$(CC) $(CFLAGS) -I$(srcdir)/config -c insn-emit.c
 
-insn-emit.c: stamp-emit.c
+insn-emit.c: stamp-emit.c ;
 stamp-emit.c : md genemit
 	./genemit md > tmp-insn-emit.c
 	./move-if-change tmp-insn-emit.c insn-emit.c
 	touch stamp-emit.c
 
 insn-recog.o : insn-recog.c $(CONFIG_H) $(RTL_H) insn-config.h
-	$(CC) $(CFLAGS) -c insn-recog.c
+	$(CC) $(CFLAGS) -I$(srcdir)/config -c insn-recog.c
 
-insn-recog.c: stamp-recog.c
+insn-recog.c: stamp-recog.c ;
 stamp-recog.c : md genrecog
 	./genrecog md > tmp-insn-recog.c
 	./move-if-change tmp-insn-recog.c insn-recog.c
 	touch stamp-recog.c
 
 insn-extract.o : insn-extract.c $(RTL_H)
-	$(CC) $(CFLAGS) -c insn-extract.c
+	$(CC) $(CFLAGS) -I$(srcdir)/config -c insn-extract.c
 
-insn-extract.c: stamp-extract.c
+insn-extract.c: stamp-extract.c ;
 stamp-extract.c : md genextract
 	./genextract md > tmp-insn-extract.c
 	./move-if-change tmp-insn-extract.c insn-extract.c
 	touch stamp-extract.c
 
-insn-peep.o : insn-peep.c $(CONFIG_H) $(RTL_H) regs.h
-	$(CC) $(CFLAGS) -c insn-peep.c
+insn-peep.o : insn-peep.c $(CONFIG_H) $(RTL_H) regs.h real.h
+	$(CC) $(CFLAGS) -I$(srcdir)/config -c insn-peep.c
 
-insn-peep.c: stamp-peep.c
+insn-peep.c: stamp-peep.c ;
 stamp-peep.c : md genpeep
 	./genpeep md > tmp-insn-peep.c
 	./move-if-change tmp-insn-peep.c insn-peep.c
 	touch stamp-peep.c
 
-insn-output.o : insn-output.c $(CONFIG_H) $(RTL_H) regs.h insn-config.h insn-flags.h conditions.h output.h aux-output.c
-	$(CC) $(CFLAGS) -c insn-output.c
+insn-output.o : insn-output.c $(CONFIG_H) $(RTL_H) regs.h real.h conditions.h \
+    hard-reg-set.h insn-config.h insn-flags.h output.h aux-output.c
+	$(CC) $(CFLAGS) -I$(srcdir)/config -c insn-output.c
 
-insn-output.c: stamp-output.c
+insn-output.c: stamp-output.c ;
 stamp-output.c : md genoutput
 	./genoutput md > tmp-insn-output.c
 	./move-if-change tmp-insn-output.c insn-output.c
@@ -341,49 +396,41 @@ genconfig : genconfig.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genconfig genconfig.o rtl.o $(LIBS)
 
 genconfig.o : genconfig.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genconfig.c
 
 genflags : genflags.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genflags genflags.o rtl.o $(LIBS)
 
 genflags.o : genflags.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genflags.c
 
 gencodes : gencodes.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o gencodes gencodes.o rtl.o $(LIBS)
 
 gencodes.o : gencodes.c $(RTL_H)
-	$(CC) $(CFLAGS) -c gencodes.c
 
 genemit : genemit.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genemit genemit.o rtl.o $(LIBS)
 
 genemit.o : genemit.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genemit.c
 
 genrecog : genrecog.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genrecog genrecog.o rtl.o $(LIBS)
 
 genrecog.o : genrecog.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genrecog.c
 
 genextract : genextract.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genextract genextract.o rtl.o $(LIBS)
 
 genextract.o : genextract.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genextract.c
 
 genpeep : genpeep.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genpeep genpeep.o rtl.o $(LIBS)
 
 genpeep.o : genpeep.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genpeep.c
 
 genoutput : genoutput.o rtl.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o genoutput genoutput.o rtl.o $(LIBS)
 
 genoutput.o : genoutput.c $(RTL_H)
-	$(CC) $(CFLAGS) -c genoutput.c
 
 # Making the preprocessor
 cpp: cccp
@@ -396,7 +443,8 @@ cexp.c: cexp.y
 	$(BISON) cexp.y
 	mv cexp.tab.c cexp.c
 cccp.o: cccp.c
-	$(CC) $(CFLAGS) -DGCC_INCLUDE_DIR=\"$(libdir)/gcc-include\" \
+	$(CC) $(CFLAGS) -I$(srcdir)/config \
+          -DGCC_INCLUDE_DIR=\"$(libdir)/gcc-include\" \
           -DGPLUSPLUS_INCLUDE_DIR=\"$(libdir)/g++-include\" -c cccp.c
 
 cpp.info: cpp.texinfo
@@ -416,32 +464,34 @@ clean:
 	-rm -f *.s *.s[0-9] *.co *.greg *.lreg *.combine *.flow *.cse *.jump *.rtl *.tree *.loop
 	-rm -f core
 
+# Like clean but also delete the links made to configure gcc.
+cleanlinks: clean
+	-rm -f tm.h aux-output.c config.h md config.status
+
 # Get rid of every file that's generated from some other file (except INSTALL).
-realclean: clean
+realclean: cleanlinks
 	-rm -f cpp.aux cpp.cps cpp.fns cpp.info cpp.kys cpp.pgs cpp.tps cpp.vrs
-	#-rm -f cplus-parse.tab.c cplus-parse.output
+#	-rm -f cplus-parse.tab.c cplus-parse.output
 	-rm -f c-parse.tab.c c-parse.output
-	-rm -f errs gnulib cexp.c TAGS 
+	-rm -f gnulib cexp.c TAGS 
+	-rm -f cpp.info* cpp.?? cpp.??s cpp.log cpp.toc cpp.*aux
 	-rm -f gcc.info* gcc.?? gcc.??s gcc.log gcc.toc gcc.*aux
 	-rm -f gplus.info* gplus.?? gplus.??s gplus.log gplus.toc gplus.*aux
-
-# Like realclean but also delete the links made to configure gcc.
-cleanlinks: realclean
-	-rm tm.h aux-output.c config.h md config.status
+	-rm -f *.dvi
 
 # Copy the files into directories where they will be run.
 install: all
-	if [ -f cc1 ] ; then $(INSTALL) cc1 $(libdir)/gcc-cc1 ;fi
-	if [ -f cc1plus ] ; then $(INSTALL) cc1plus $(libdir)/gcc-cc1plus ;fi
+	-mkdir $(libdir)
+	-if [ -f cc1 ] ; then $(INSTALL) cc1 $(libdir)/gcc-cc1 ;fi
+	-if [ -f cc1plus ] ; then $(INSTALL) cc1plus $(libdir)/gcc-cc1plus ;fi
 	$(INSTALL) gnulib $(libdir)/gcc-gnulib
-	if [ -f /usr/bin/ranlib ] ; then (cd $(libdir); ranlib /gcc-gnulib) ;fi
+	-if [ -f /usr/bin/ranlib ] ; then (cd $(libdir); ranlib gcc-gnulib) ;fi
 	$(INSTALL) cpp $(libdir)/gcc-cpp
 	$(INSTALL) gcc $(bindir)
 	-mkdir $(libdir)/gcc-include
 	chmod ugo+rx $(libdir)/gcc-include
-	cd $(libdir)/gcc-include; rm -f $(USER_H)
-	cp $(USER_H) $(libdir)/gcc-include
-	cp gcc.1 mandir
+	for file in $(USER_H); do $(INSTALL) $${file} $(libdir)/gcc-include; done
+	$(INSTALL) gcc.1 $(mandir)/gcc.$(manext)
 
 # do make -f ../gcc/Makefile maketest DIR=../gcc
 # in the intended test directory to make it a suitable test directory.
@@ -465,6 +515,14 @@ bootstrap: all force
 	$(MAKE) stage2
 	$(MAKE) CC="stage2/gcc -Bstage2/" CFLAGS="-O $(CFLAGS)"
 
+bootstrap2: force
+	$(MAKE) CC="stage1/gcc -Bstage1/" CFLAGS="-O $(CFLAGS)"
+	$(MAKE) stage2
+	$(MAKE) CC="stage2/gcc -Bstage2/" CFLAGS="-O $(CFLAGS)"
+
+bootstrap3: force
+	$(MAKE) CC="stage2/gcc -Bstage2/" CFLAGS="-O $(CFLAGS)"
+
 # Copy the object files from a particular stage into a subdirectory.
 stage1: force
 	-mkdir stage1