4 if test -f config.sh; then TOP=.;
5 elif test -f ../config.sh; then TOP=..;
6 elif test -f ../../config.sh; then TOP=../..;
7 elif test -f ../../../config.sh; then TOP=../../..;
8 elif test -f ../../../../config.sh; then TOP=../../../..;
10 echo "Can't find config.sh."; exit 1
15 : This forces SH files to create target in same directory as SH file.
16 : This is so that make depend always knows where to find SH derivatives.
18 */*) cd `expr X$0 : 'X\(.*\)/'` ;;
22 *define*) suidperl='suidperl' ;;
26 linklibperl='$(LIBPERL)'
27 shrpldflags='$(LDDLFLAGS)'
31 # Prefix all runs of 'miniperl' and 'perl' with
32 # $ldlibpth so that ./perl finds *this* libperl.so.
33 ldlibpth="LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH"
35 pldlflags="$cccdlflags"
36 # NeXT-4 specific stuff. Can't we do this in the hint file?
37 case "${osname}${osvers}" in
40 lddlflags="-dynamic -undefined warning -framework System \
41 -compatibility_version 1 -current_version $patchlevel \
42 -prebind -seg1addr 0x27000000 -install_name \$(shrpdir)/\$@"
43 # NeXT uses a different name.
44 ldlibpth="DYLD_LIBRARY_PATH=`pwd`:$DYLD_LIBRARY_PATH"
46 os2*) # OS/2 doesn't need anything special for LD_LIBRARY_PATH.
49 sunos*|freebsd[23]*|netbsd*)
53 shrpldflags="-H512 -T512 -bhalt:4 -bM:SRE -bE:perl.exp"
56 shrpldflags="$shrpldflags -e _nostart $ldflags $libs $cryptlib"
59 shrpldflags="$shrpldflags -b noentry $ldflags $libs $cryptlib"
62 aixinstdir=`pwd | sed 's/\/UU$//'`
63 linklibperl="-L $archlibexp/CORE -L $aixinstdir -lperl"
66 linklibperl="-L `pwd | sed 's/\/UU$//'` -Wl,+b$archlibexp/CORE -lperl"
74 : Prepare dependency lists for Makefile.
76 for f in $dynamic_ext; do
77 : the dependency named here will never exist
78 base=`echo "$f" | sed 's/.*\///'`
79 dynamic_list="$dynamic_list lib/auto/$f/$base.$dlext"
83 for f in $static_ext; do
84 base=`echo "$f" | sed 's/.*\///'`
85 static_list="$static_list lib/auto/$f/$base\$(LIB_EXT)"
89 for f in $nonxs_ext; do
90 base=`echo "$f" | sed 's/.*\///'`
91 nonxs_list="$nonxs_list ext/$f/pm_to_blib"
94 echo "Extracting Makefile (with variable substitutions)"
95 $spitshell >Makefile <<!GROK!THIS!
97 # This file is derived from Makefile.SH. Any changes made here will
98 # be lost the next time you run Configure.
99 # Makefile is used to generate $firstmakefile. The only difference
100 # is that $firstmakefile has the dependencies filled in at the end.
103 # I now supply perly.c with the kits, so don't remake perly.c without byacc
112 LARGE = $large $split
113 mallocsrc = $mallocsrc
114 mallocobj = $mallocobj
119 # The following are mentioned only to make metaconfig include the
120 # appropriate questions in Configure. If you want to change these,
121 # edit config.sh instead, or specify --man1dir=/wherever on
122 # installman commandline.
124 scriptdir = $scriptdir
125 shrpdir = $archlibexp/CORE
126 privlib = $installprivlib
132 # The following are used to build and install shared libraries for
134 LDDLFLAGS = $lddlflags
135 SHRPLDFLAGS = $shrpldflags
136 CCDLFLAGS = $ccdlflags
138 PLDLFLAGS = $pldlflags
140 LLIBPERL= $linklibperl
143 # The following is used to include the current directory in
144 # LD_LIBRARY_PATH if you are building a shared libperl.so.
147 dynamic_ext = $dynamic_list
148 static_ext = $static_list
149 nonxs_ext = $nonxs_list
150 ext = \$(dynamic_ext) \$(static_ext) \$(nonxs_ext)
151 DYNALOADER = lib/auto/DynaLoader/DynaLoader\$(LIB_EXT)
153 libs = $libs $cryptlib
155 public = perl $suidperl utilities translators
157 shellflags = $shellflags
159 # This is set to MAKE=$make if your $make command doesn't
163 # These variables may need to be manually set for non-Unix systems.
170 FIRSTMAKEFILE = $firstmakefile
172 # Any special object files needed by this architecture, e.g. os2/os2.obj
175 .SUFFIXES: .c \$(OBJ_EXT)
182 ## In the following dollars and backticks do not need the extra backslash.
183 $spitshell >>Makefile <<'!NO!SUBS!'
185 CCCMD = `sh $(shellflags) cflags $(LIBPERL) $@`
187 private = preplibrary lib/ExtUtils/Miniperl.pm lib/Config.pm
189 # Files to be built with variable substitution before miniperl
191 sh = Makefile.SH cflags.SH config_h.SH makeaperl.SH makedepend.SH \
192 makedir.SH perl_exp.SH writemain.SH
194 shextract = Makefile cflags config.h makeaperl makedepend \
195 makedir perl.exp writemain
197 # Files to be built with variable substitution after miniperl is
198 # available. Dependencies handled manually below (for now).
200 pl = pod/pod2html.PL pod/pod2latex.PL pod/pod2man.PL pod/pod2text.PL
202 plextract = pod/pod2html pod/pod2latex pod/pod2man pod/pod2text
204 addedbyconf = UU $(shextract) $(plextract) pstruct
206 h1 = EXTERN.h INTERN.h XSUB.h av.h config.h cop.h cv.h dosish.h
207 h2 = embed.h form.h gv.h handy.h hv.h keywords.h mg.h op.h
208 h3 = opcode.h patchlevel.h perl.h perly.h pp.h proto.h regcomp.h
209 h4 = regexp.h scope.h sv.h unixish.h util.h iperlsys.h thread.h
210 h5 = bytecode.h byterun.h
211 h = $(h1) $(h2) $(h3) $(h4) $(h5)
213 c1 = $(mallocsrc) av.c scope.c op.c doop.c doio.c dump.c hv.c mg.c byterun.c
214 c2 = perl.c perly.c pp.c pp_hot.c pp_ctl.c pp_sys.c regcomp.c regexec.c
215 c3 = gv.c sv.c taint.c toke.c util.c deb.c run.c universal.c globals.c perlio.c
217 c = $(c1) $(c2) $(c3) miniperlmain.c perlmain.c
219 obj1 = $(mallocobj) gv$(OBJ_EXT) toke$(OBJ_EXT) perly$(OBJ_EXT) op$(OBJ_EXT) regcomp$(OBJ_EXT) dump$(OBJ_EXT) util$(OBJ_EXT) mg$(OBJ_EXT) byterun$(OBJ_EXT)
220 obj2 = hv$(OBJ_EXT) av$(OBJ_EXT) run$(OBJ_EXT) pp_hot$(OBJ_EXT) sv$(OBJ_EXT) pp$(OBJ_EXT) scope$(OBJ_EXT) pp_ctl$(OBJ_EXT) pp_sys$(OBJ_EXT)
221 obj3 = doop$(OBJ_EXT) doio$(OBJ_EXT) regexec$(OBJ_EXT) taint$(OBJ_EXT) deb$(OBJ_EXT) universal$(OBJ_EXT) globals$(OBJ_EXT) perlio$(OBJ_EXT)
223 obj = $(obj1) $(obj2) $(obj3) $(ARCHOBJS)
225 # Once perl has been Configure'd and built ok you build different
226 # perl variants (Debugging, Embedded, Multiplicity etc) by saying:
227 # make clean; make LIBPERL=libperl<type>.a
228 # where <type> is some combination of 'd' and(or) 'e' or 'm'.
229 # See cflags to understand how this works.
231 # This mechanism is getting clunky and might not even work any more.
232 # EMBEDDING is on by default, and MULTIPLICITY doesn't work.
238 $(CCCMD) $(PLDLFLAGS) $*.c
240 all: $(FIRSTMAKEFILE) miniperl $(private) $(plextract) $(public) $(dynamic_ext) $(nonxs_ext)
242 @echo " Everything is up to date. 'make test' to run test suite."
245 echo "testing compilation" > testcompile;
246 cd utils; $(MAKE) compile;
247 cd x2p; $(MAKE) compile;
248 cd pod; $(MAKE) compile;
250 translators: miniperl lib/Config.pm FORCE
251 @echo " "; echo " Making x2p stuff"; cd x2p; $(LDLIBPTH) $(MAKE) all
253 utilities: miniperl lib/Config.pm FORCE
254 @echo " "; echo " Making utilities"; cd utils; $(LDLIBPTH) $(MAKE) all
257 # This is now done by installman only if you actually want the man pages.
258 # @echo " "; echo " Making docs"; cd pod; $(MAKE) all;
260 # Phony target to force checking subdirectories.
261 # Apparently some makes require an action for the FORCE target.
265 miniperlmain$(OBJ_EXT): miniperlmain.c
266 $(CCCMD) $(PLDLFLAGS) $*.c
268 perlmain.c: miniperlmain.c config.sh $(FIRSTMAKEFILE)
269 sh writemain $(DYNALOADER) $(static_ext) > tmp
270 sh mv-if-diff tmp perlmain.c
272 perlmain$(OBJ_EXT): perlmain.c
273 $(CCCMD) $(PLDLFLAGS) $*.c
275 # The file ext.libs is a list of libraries that must be linked in
276 # for static extensions, e.g. -lm -lgdbm, etc. The individual
277 # static extension Makefile's add to it.
278 ext.libs: $(static_ext)
279 -@test -f ext.libs || touch ext.libs
283 # How to build libperl. This is still rather convoluted.
284 # Load up custom Makefile.SH fragment for shared loading and executables:
285 if test -r $osname/Makefile.SHs ; then
286 . $osname/Makefile.SHs
287 $spitshell >>Makefile <<!GROK!THIS!
289 Makefile: $osname/Makefile.SHs
292 $spitshell >>Makefile <<'!NO!SUBS!'
293 $(LIBPERL): $& perl$(OBJ_EXT) $(obj)
295 case "$useshrplib" in
297 $spitshell >>Makefile <<'!NO!SUBS!'
298 $(LD) $(SHRPLDFLAGS) -o $@ perl$(OBJ_EXT) $(obj)
302 $spitshell >>Makefile <<'!NO!SUBS!'
303 mv $@ libperl$(OBJ_EXT)
304 $(AR) qv $(LIBPERL) libperl$(OBJ_EXT)
310 $spitshell >>Makefile <<'!NO!SUBS!'
312 $(AR) rcu $(LIBPERL) perl$(OBJ_EXT) $(obj)
313 @$(ranlib) $(LIBPERL)
317 $spitshell >>Makefile <<'!NO!SUBS!'
319 # How to build executables.
321 # The $& notation tells Sequent machines that it can do a parallel make,
322 # and is harmless otherwise.
323 # The miniperl -w -MExporter line is a basic cheap test to catch errors
324 # before make goes on to run preplibrary and then MakeMaker on extensions.
325 # This is very handy because later errors are often caused by miniperl
326 # build problems but that's not obvious to the novice.
327 # The Module used here must not depend on Config or any extensions.
329 miniperl: $& miniperlmain$(OBJ_EXT) $(LIBPERL)
330 $(LDLIBPTH) $(CC) $(LARGE) $(CLDFLAGS) -o miniperl miniperlmain$(OBJ_EXT) $(LLIBPERL) $(libs)
331 $(LDLIBPTH) ./miniperl -w -Ilib -MExporter -e 0 || $(MAKE) minitest
333 perl: $& perlmain$(OBJ_EXT) $(LIBPERL) $(DYNALOADER) $(static_ext) ext.libs
334 $(SHRPENV) $(LDLIBPTH) $(CC) $(LARGE) $(CLDFLAGS) $(CCDLFLAGS) -o perl perlmain$(OBJ_EXT) $(DYNALOADER) $(static_ext) $(LLIBPERL) `cat ext.libs` $(libs)
336 pureperl: $& perlmain$(OBJ_EXT) $(LIBPERL) $(DYNALOADER) $(static_ext) ext.libs
337 $(SHRPENV) $(LDLIBPTH) purify $(CC) $(LARGE) $(CLDFLAGS) $(CCDLFLAGS) -o pureperl perlmain$(OBJ_EXT) $(DYNALOADER) $(static_ext) $(LLIBPERL) `cat ext.libs` $(libs)
339 purecovperl: $& perlmain$(OBJ_EXT) $(LIBPERL) $(DYNALOADER) $(static_ext) ext.libs
340 $(SHRPENV) $(LDLIBPTH) purecov $(CC) $(LARGE) $(CLDFLAGS) $(CCDLFLAGS) -o purecovperl perlmain$(OBJ_EXT) $(DYNALOADER) $(static_ext) $(LLIBPERL) `cat ext.libs` $(libs)
342 quantperl: $& perlmain$(OBJ_EXT) $(LIBPERL) $(DYNALOADER) $(static_ext) ext.libs
343 $(SHRPENV) $(LDLIBPTH) quantify $(CC) $(LARGE) $(CLDFLAGS) $(CCDLFLAGS) -o quantperl perlmain$(OBJ_EXT) $(DYNALOADER) $(static_ext) $(LLIBPERL) `cat ext.libs` $(libs)
345 # This version, if specified in Configure, does ONLY those scripts which need
346 # set-id emulation. Suidperl must be setuid root. It contains the "taint"
347 # checks as well as the special code to validate that the script in question
348 # has been invoked correctly.
350 suidperl: $& sperl$(OBJ_EXT) perlmain$(OBJ_EXT) $(LIBPERL) $(DYNALOADER) $(static_ext) ext.libs
351 $(SHRPENV) $(LDLIBPTH) $(CC) $(LARGE) $(CLDFLAGS) $(CCDLFLAGS) -o suidperl perlmain$(OBJ_EXT) sperl$(OBJ_EXT) $(DYNALOADER) $(static_ext) $(LLIBPERL) `cat ext.libs` $(libs)
357 $spitshell >>Makefile <<'!NO!SUBS!'
359 sperl$(OBJ_EXT): perl.c perly.h patchlevel.h $(h)
361 $(LNS) perl.c sperl.c
362 $(CCCMD) -DIAMSUID sperl.c
365 # We have to call our ./makedir because Ultrix 4.3 make can't handle the line
366 # test -d lib/auto || mkdir lib/auto
368 preplibrary: miniperl lib/Config.pm $(plextract)
369 @sh ./makedir lib/auto
370 @echo " AutoSplitting perl library"
371 $(LDLIBPTH) ./miniperl -Ilib -e 'use AutoSplit; \
372 autosplit_lib_modules(@ARGV)' lib/*.pm lib/*/*.pm
374 # Take care to avoid modifying lib/Config.pm without reason
375 # (If trying to create a new port and having problems with the configpm script,
376 # try 'make minitest' and/or commenting out the tests at the end of configpm.)
377 lib/Config.pm: config.sh miniperl configpm
378 $(LDLIBPTH) ./miniperl configpm tmp
379 sh mv-if-diff tmp lib/Config.pm
381 lib/ExtUtils/Miniperl.pm: miniperlmain.c miniperl minimod.pl lib/Config.pm
382 $(LDLIBPTH) ./miniperl minimod.pl > tmp && mv tmp $@
384 lib/re.pm: ext/re/re.pm
385 cat ext/re/re.pm > $@
387 $(plextract): miniperl lib/Config.pm lib/re.pm
388 $(LDLIBPTH) ./miniperl -Ilib $@.PL
390 install: all install.perl install.man
392 install.perl: all installperl
393 if [ -n "$(COMPILE)" ]; \
395 cd utils; $(MAKE) compile; \
396 cd ../x2p; $(MAKE) compile; \
397 cd ../pod; $(MAKE) compile; \
399 $(LDLIBPTH) ./perl installperl
401 install.man: all installman
402 $(LDLIBPTH) ./perl installman
404 # XXX Experimental. Hardwired values, but useful for testing.
405 # Eventually Configure could ask for some of these values.
406 install.html: all installhtml
407 $(LDLIBPTH) ./perl installhtml \
408 --podroot=. --podpath=. --recurse \
409 --htmldir=$(privlib)/html \
410 --htmlroot=$(privlib)/html \
411 --splithead=pod/perlipc \
412 --splititem=pod/perlfunc \
413 --libpods=perlfunc:perlguts:perlvar:perlrun:perlop \
417 # I now supply perly.c with the kits, so the following section is
418 # used only if you force byacc to run by saying
420 # Since we patch up the byacc output, the perly.fixer script needs
421 # to run with precisely the same version of byacc as I use. You
422 # normally shouldn't remake perly.[ch].
425 @ echo 'Expect' 113 shift/reduce and 1 reduce/reduce conflict
428 sh $(shellflags) ./perly.fixer y.tab.c perly.c
429 sed -e 's/fprintf *( *stderr *,/PerlIO_printf(Perl_debug_log,/g' \
430 -e 's/y\.tab/perly/g' perly.c >perly.tmp && mv perly.tmp perly.c
431 echo 'extern YYSTYPE yylval;' >>y.tab.h
432 cmp -s y.tab.h perly.h && rm -f y.tab.h || mv y.tab.h perly.h
433 chmod 664 vms/perly_c.vms vms/perly_h.vms
434 perl vms/vms_yfix.pl perly.c perly.h vms/perly_c.vms vms/perly_h.vms
436 # We don't want to regenerate perly.c and perly.h, but they might
437 # appear out-of-date after a patch is applied or a new distribution is
445 # No compat3.sym here since and including the 5.004_50.
446 SYM = global.sym interp.sym perlio.sym thread.sym
448 SYMH = perlvars.h thrdvar.h
450 # The following files are generated automatically
451 # keywords.h: keywords.pl
452 # opcode.h: opcode.pl
453 # embed.h: embed.pl global.sym interp.sym
454 # byterun.h: bytecode.pl
455 # byterun.c: bytecode.pl
456 # lib/B/Asmdata.pm: bytecode.pl
457 # regnodes.h: regcomp.pl
458 # The correct versions should be already supplied with the perl kit,
459 # in case you don't have perl available.
460 # To force them to run, type
470 # Names added to $(dynamic_ext) or $(static_ext) or $(nonxs_ext) will
471 # automatically get built. There should ordinarily be no need to change
472 # any of this part of makefile.
474 # The dummy dependency is a place holder in case $(dynamic_ext) or
475 # $(static_ext) is empty.
477 # DynaLoader may be needed for extensions that use Makefile.PL.
479 $(DYNALOADER): miniperl preplibrary FORCE
480 @$(LDLIBPTH) sh ext/util/make_ext static $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
482 d_dummy $(dynamic_ext): miniperl preplibrary $(DYNALOADER) FORCE
483 @$(LDLIBPTH) sh ext/util/make_ext dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
485 s_dummy $(static_ext): miniperl preplibrary $(DYNALOADER) FORCE
486 @$(LDLIBPTH) sh ext/util/make_ext static $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
488 n_dummy $(nonxs_ext): miniperl preplibrary $(DYNALOADER) FORCE
489 @$(LDLIBPTH) sh ext/util/make_ext nonxs $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
493 realclean: _cleaner _mopup
494 @echo "Note that make realclean does not delete config.sh or Policy.sh"
496 clobber: _cleaner _mopup
497 rm -f config.sh cppstdin Policy.sh
501 # Do not 'make _mopup' directly.
503 rm -f *$(OBJ_EXT) *$(LIB_EXT) all perlmain.c
504 rm -f perl.exp ext.libs
505 -rm -f perl.export perl.dll perl.libexp perl.map perl.def
506 rm -f perl suidperl miniperl $(LIBPERL)
508 # Do not 'make _tidy' directly.
510 -cd pod; $(MAKE) clean
511 -cd utils; $(MAKE) clean
512 -cd x2p; $(MAKE) clean
513 -@for x in $(DYNALOADER) $(dynamic_ext) $(static_ext) $(nonxs_ext) ; do \
514 sh ext/util/make_ext clean $$x MAKE=$(MAKE) ; \
516 rm -f testcompile compilelog
518 # Do not 'make _cleaner' directly.
520 -cd os2; rm -f Makefile
521 -cd pod; $(MAKE) realclean
522 -cd utils; $(MAKE) realclean
523 -cd x2p; $(MAKE) realclean
524 -@for x in $(DYNALOADER) $(dynamic_ext) $(static_ext) $(nonxs_ext) ; do \
525 sh ext/util/make_ext realclean $$x MAKE=$(MAKE) ; \
527 rm -f *.orig */*.orig *~ */*~ core t/core t/c t/perl
528 rm -rf $(addedbyconf)
529 rm -f $(FIRSTMAKEFILE) $(FIRSTMAKEFILE).old
533 rm -f h2ph.man pstruct
535 rm -f testcompile compilelog
537 # The following lint has practically everything turned on. Unfortunately,
538 # you have to wade through a lot of mumbo jumbo that can't be suppressed.
539 # If the source file has a /*NOSTRICT*/ somewhere, ignore the lint message
543 lint $(lintflags) $(defs) perly.c $(c) > perl.fuzz
545 # Need to unset during recursion to go out of loop.
546 # The README below ensures that the dependency list is never empty and
547 # that when MAKEDEPEND is empty $(FIRSTMAKEFILE) doesn't need rebuilding.
549 MAKEDEPEND = Makefile makedepend
551 $(FIRSTMAKEFILE): README $(MAKEDEPEND)
552 $(MAKE) depend MAKEDEPEND=
554 config.h: config_h.SH config.sh
558 perl.exp: perl_exp.SH config.sh $(SYM) $(SYMH)
561 # When done, touch perlmain.c so that it doesn't get remade each time.
563 sh ./makedepend MAKE=$(MAKE)
564 - test -s perlmain.c && touch perlmain.c
565 cd x2p; $(MAKE) depend
567 # Cannot postpone this until $firstmakefile is ready ;-)
568 makedepend: makedepend.SH config.sh
571 test-prep: miniperl perl preplibrary utilities $(dynamic_ext) $(nonxs_ext)
572 cd t && (rm -f perl$(EXE_EXT); $(LNS) ../perl$(EXE_EXT) perl$(EXE_EXT))
574 test check: test-prep
575 cd t && $(LDLIBPTH) ./perl TEST </dev/tty
577 # For testing without a tty or controling terminal. See t/op/stat.t
578 test-notty: test-prep
579 cd t && PERL_SKIP_TTY_TEST=1 $(LDLIBPTH) ./perl TEST
581 # Can't depend on lib/Config.pm because that might be where miniperl
583 minitest: miniperl lib/re.pm
584 @echo "You may see some irrelevant test failures if you have been unable"
585 @echo "to build lib/Config.pm."
586 - cd t && (rm -f perl$(EXE_EXT); $(LNS) ../miniperl$(EXE_EXT) perl$(EXE_EXT)) \
587 && $(LDLIBPTH) ./perl TEST base/*.t comp/*.t cmd/*.t io/*.t op/*.t pragma/*.t </dev/tty
589 # Handy way to run perlbug -ok without having to install and run the
590 # installed perlbug. We don't re-run the tests here - we trust the user.
591 # Please *don't* use this unless all tests pass.
592 # If you want to report test failures, use "make nok" instead.
594 $(LBLIBPTH) ./perl -Ilib utils/perlbug -ok -s '(UNINSTALLED)'
597 $(LBLIBPTH) ./perl -Ilib utils/perlbug -ok -s '(UNINSTALLED)' -F perl.ok
600 $(LBLIBPTH) ./perl -Ilib utils/perlbug -nok -s '(UNINSTALLED)'
603 echo $(c) | tr ' ' '\012' >.clist
606 echo $(h) | tr ' ' '\012' >.hlist
609 echo $(sh) | tr ' ' '\012' >.shlist
612 echo $(pl) | tr ' ' '\012' >.pllist
614 Makefile: Makefile.SH ./config.sh
618 perl '-MExtUtils::Manifest=&fullcheck' -e 'fullcheck()'
620 elc: emacs/cperl-mode.elc
622 emacs/cperl-mode.elc: emacs/cperl-mode.el
623 -cd emacs; emacs -batch -q -no-site-file -f batch-byte-compile cperl-mode.el
625 etags: emacs/cperl-mode.elc
628 # AUTOMATICALLY GENERATED MAKE DEPENDENCIES--PUT NOTHING BELOW THIS LINE
629 # If this runs make out of memory, delete /usr/include lines.
636 $ln Makefile ../Makefile
639 $rm -f $firstmakefile