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Fri Feb 28 17:48:41 MET 1997   Raphael Manfredi <Raphael_Manfredi@grenoble.hp.com>

. Description:

	This huge set of patch results from an integration of the
	perl5 units into the dist-3.0 package. A few improvements
	of mine are also incorporated here, but this patch set should
	mainly be credited to Andy Dougherty and Chip Salzenberg, who
	have both assumed the perl5 Patch Pumpkin with success and brio.

	I won't document most of the changes in detail. Only the obvious
	ones were kept here. You can look closer to the patches themselves
	to see what really changed. Especially the new units, since you
	now have more symbols to check for in your C code...

	Regenerated Configure with current set of units.

	Added Perl Patch Pumpkin credits. Thanks to Andy Dougherty and
	to Chip Salzenberg for their incredible contributions to
	metaconfig.

	Changed my email address and updated copyright dates

	Added support for src.U. This means you can now run Configure
	from a remote directory to separate the build directory and
	the (possibly read-only) source tree.
	Note that some of your private units may require some changes
	due to that...

	Removed support for NO_PROTOTYPE detection on SCO.

	Added cute quoting trick for wild stringify support, which
	allows non-ANSI stringification to occur.

	Replaced .a with $_a all over the place.
	Likewise for .o replaced by $_o.
	You'll have to do that to your own private units.

	Integrated new units from perl5. I will not document most
	of the perl5-related changes here. People interested can
	look at Andy's notes in the perl5 distribution.

	New USE_BSD_GETPGRP to detect the getpgrp() flavour. The old
	USE_BSDPGRP has been obsoleted in favor of USE_BSD_SETPGRP.
	Indeed, setpgrp() and getpgrp() can have distinct flavors,
	so we need two distinct tests for them.

	Useless units dropped: d_group.U and d_passwd.U.

	Mention that <poll.h> can be included if HAS_POLL defined.

	Improved overlapping copy check.

	Added support for Free_t, the type of free().

	Don't use nm with the GNU C library.
	Added support for Linux shared libs.

	Don't prompt them if the void support is high enough for us
	and don't ask for the include path unless they are on a MIPS.

	Added the srcdir support to "configure" now that we have src.U.

	Documented the runnning environment and the src.U unit in
	the metaconfig man page. The $_a and $_o are also mentionned.
	All the generated scripts must now start with a "$startsh"
	to ensure proper shell execution.

	New "create" and "empty" lint directives.

	New -L option for metaxref to match metaconfig and metalint.

	Documents contents of the message sent by patnotify:
	we now let them know the patch priority and description.

	Added a whole bunch of new units, mostly from the perl5 team.

. Files changed:

	* bin/packinit.SH: Fixed one wrong ':' comment in .package.

	* jmake/files/Jmake.rules: Now handles USRINC for dependencies. 
	Smarter about dependencies computation.

	* jmake/files/Jmake.tmpl: Lex path can now be configured.

	* mcon/U/Begin.U: Added Extractall dependency.

	* mcon/U/Config_sh.U, mcon/U/Oldsym.U, mcon/U/Extract.U,
	mcon/U/patchlevel.U, mcon/U/MailAuthor.U, mcon/U/Chk_MANI.U,
	mcon/U/Config_h.U: Added support for src.U.

	* mcon/U/Configdir.U: Have README explicitely mention the package
	name.

	* mcon/U/make.U, mcon/U/d_strtoul.U, mcon/U/Unix.U,
	mcon/U/d_inetaton.U, mcon/U/sitearch.U, mcon/U/d_sanemcmp.U,
	mcon/U/i_locale.U, mcon/U/d_sigaction.U, mcon/U/d_getpgid.U,
	mcon/U/src.U, mcon/U/sitelib.U, mcon/U/d_brokstat.U, mcon/U/man3dir.U,
	, mcon/U/d_sigsetjmp.U, mcon/U/i_sysstat.U, mcon/U/d_strtod.U,
	mcon/U/d_byacc.U, mcon/U/sh.U, mcon/U/Signal.U, mcon/U/d_gnulibc.U,
	mcon/U/man1dir.U, mcon/U/Extractall.U, mcon/U/i_values.U,
	mcon/U/i_sfio.U: Created.

	* mcon/U/Getfile.U: Getfile script now begins with "startsh".

	* mcon/U/Head.U: Make sure we unset CDPATH for shells that support
	this.  Improved Korn shell detection and handling.

	* mcon/U/Instruct.U: Logname / whoami sequence rewritten to use case.

	* mcon/U/Loc.U: Allow users to specify paths on the command line. 
	Will now substitute cp for ln if not supported.

	* mcon/U/Myread.U: Myread script now starts with a "startsh". 
	Miscellaneous fixes.

	* mcon/U/Oldconfig.U: Added support for src.U.  New OSNAME define. 
	Can now sense new OSes.

	* mcon/U/Options.U: Optdef.sh now starts with a "startsh".  Moved
	some code from Head.U.

	* mcon/U/Whoa.U: Whoa script now starts with leading "startsh".

	* mcon/U/afs.U: Can now explicitely tell Configure whether AFS is
	running.

	* mcon/U/archlib.U: Skip existence checks for archlib.

	* mcon/U/archname.U: Changed the way the archname is mangled from
	uname.

	* mcon/U/byteorder.U: No longer ask the user if the test runs ok.

	* mcon/U/ccflags.U: Removed support for NO_PROTOTYPE detection on
	SCO.  New locincpth variable.  Added info on the "additional ld
	flags" question.

	* mcon/U/cf_who.U: New computation method avoiding use of temporary
	file.

	* mcon/U/cpp_stuff.U: Added cute quoting trick for wild stringify
	support.

	* mcon/U/d_bsdjmp.U, mcon/U/d_fd_set.U, mcon/U/models.U,
	mcon/U/d_scannl.U, mcon/U/d_open3.U, mcon/U/d_closedir.U: Added ?F:
	metalint hint.

	* mcon/U/libs.U, mcon/U/libnm.U, mcon/U/libyacc.U, mcon/U/libflex.U,
	mcon/U/libdbm.U, mcon/U/d_socket.U, mcon/U/d_normsig.U,
	mcon/U/d_crypt.U: Replaced .a with $_a all over the place.

	* mcon/U/d_csh.U: Added full_csh to preserve the full path even when
	portable.

	* mcon/U/d_dosuid.U: Moved unit to TOP via a ?Y: layout directive. 
	Tell them /dev/fd is not about floppy disks.

	* mcon/U/d_gconvert.U: Integrated new unit from perl5.

	* mcon/U/d_getpgrp.U: New USE_BSD_GETPGRP to detect the getpgrp()
	flavour.

	* mcon/U/d_group.U, mcon/U/d_passwd.U: Useless unit dropped.

	* mcon/U/d_usendir.U, mcon/U/d_havetlib.U, mcon/U/errnolist.U:
	Replaced .a with $_a all over the place.  Likewise for .o replaced by
	$_o.

	* mcon/U/d_newsadm.U: Added Guess dependency.

	* mcon/U/d_pidcheck.U: Replaced .o with $_o all over the place. 
	Added ?F: metalint hint.

	* mcon/U/d_poll.U: Mention that <poll.h> can be included if HAS_POLL
	defined.

	* mcon/U/d_safebcpy.U, mcon/U/d_safemcpy.U: Improved overlapping copy
	check.  Comfort them if they have memmove.  Added ?F: metalint hint.

	* mcon/U/d_setpgid.U: Reworded symbol comments.

	* mcon/U/d_setpgrp.U: Obsoleted USE_BSDGRP in favor of
	USE_BSD_SETPGRP.  Another unit now also defines a USE_BSD_GETPGRP. 
	Fallback for test program failure improved.

	* mcon/U/d_sgndchr.U, mcon/U/d_wifstat.U: Added a ?F: metalint hint.

	* mcon/U/d_sigvec.U: There is now a separate routine for sigaction().

	* mcon/U/d_stdstdio.U: Merged with perl5's unit.

	* mcon/U/d_syslog.U, mcon/U/mkdep.U: Replaced .o with $_o all over
	the place.

	* mcon/U/i_dbm.U: Added I_RPCSVC_DBM check.

	* mcon/U/i_varhdr.U: Varargs script now starts with leading "startsh".

	* mcon/U/intsize.U: Avoid prompting the user if the test runs ok. 
	Moved code from longsize.U into there.  New tests for shortsize as
	well.

	* mcon/U/libc.U: Replaced .a with $_a all over the place.  Added
	support for HPUX-10 nm output.

	* mcon/U/libnlist.U: Added usrinc and mips on the dependency line. 
	Make sure we call ./mips.  Added a ?LINT: hint.

	* mcon/U/libpth.U: New loclibpth variable.

	* mcon/U/longsize.U: Code moved to intsize.U.

	* mcon/U/mallocsrc.U: Added support for Free_t, the type of free(). 
	Replaced .o with $_o all over the place.

	* mcon/U/manfmt.U, mcon/U/mansrc.U: Don't ask for AFS when they
	choose to not install pages.

	* mcon/U/myhostname.U: Improved hostname lookup by using ypmatch when
	NIS is used.

	* mcon/U/nblock_io.U: Simplify here document for shells that can't
	handle them well.  Force use of "startsh" at the head of the
	generated script.  Added new files to the ?F: metalint hint.

	* mcon/U/nis.U: Ensure suitable defaults for hostcat and friends.

	* mcon/U/orderlib.U: Replaced .a with $_a all over the place. 
	Likewise for .o replaced by $_o.  Now uses the ar located by Loc.U.

	* mcon/U/randbits.U: Added <unistd.h> and <stdlib.h> to the C program
	test.

	* mcon/U/registers.U: Removed empty ?LINT lines.

	* mcon/U/selecttype.U: Always include <sys/select.h> when available
	for test.

	* mcon/U/sig_name.U: Brand new algorithm for sig_name and (new!)
	sig_num.

	* mcon/U/spitshell.U: Removed useless chatter as this is now done
	very early.

	* mcon/U/ssizetype.U: Integrated perl5 concerns for mis-configured
	sfio.

	* mcon/U/startperl.U: Warn them if the #! line is too long for their
	OS.

	* mcon/U/startsh.U: Avoid needless chatter since this is now done
	very early.

	* mcon/U/usenm.U: Don't use nm with the GNU C library.  Added support
	for Linux shared libs.

	* mcon/U/usrinc.U: Don't ask for the include path unless they are on
	a MIPS.

	* mcon/U/voidflags.U: Don't prompt them if the void support is high
	enough for us.

	* mcon/configure: Added the srcdir support now that we have src.U. 
	Random cleanup for nicer help message.

	* mcon/man/mconfig.SH: Documents the runnning environment and the
	src.U unit.  Added warnings for $_a and $_o, as well as "startsh".

	* mcon/man/mlint.SH: New "create" and "empty" lint directives. 
	Documented new messages.

	* mcon/mxref.SH, mcon/man/mxref.SH: New -L option to match metaconfig
	and metalint.

	* mcon/pl/lint.pl: Added support for ?F: lines to monitor file usage.
	Now honours "create" and "empty" lint directives.

	* pat/pat.man: Documents contents of the message sent by patnotify.

	* pat/patlog.SH: Typo fix.

	* pat/patnotify.SH: Let them know the patch priority and description.

Mon Sep 25 10:33:26 MET 1995   Raphael Manfredi <ram@hptnos02.grenoble.hp.com>

. Description:

	Smarter sed command to strip /usr/include dependencies in
	jmake-generated Makfiles. Thanks to Ulrich Pfeifer
	<pfeifer@buster.informatik.uni-dortmund.de> for contributing it.

	In response to the discussion on dist-users, jmake will now force
	macro definitions to the left in the generated Makefile, even
	though they may be nicely formatted in the imake-style within
	the Jmakefile itself (centered on the =).

	Commented the purpose of the #un-def directive in the relevant
	unit, since I tend to forget about this hack and almost considered
	removing it without seeing the consequences. ;-)

	Configure will now abort when a mandatory command is missing.
	Indeed, Configure relies on such commands to perform its various
	tasks, and a miss can have dreadful consequences, without the
	end-users noticing it.

	Protected option parsing code against 'echo -*' option failure.

	Various units are now forced to the top of Configure, if possible.
	This is mainly interactive questions. Note that dependencies are
	still respected, i.e. all the units on which those depend will
	come before, so the top-ness is a relative issue.

	All possible install programs are now looked for, instead of
	breaking the loop once one was found. Also, to optimize cache
	access on AFS directories, the lookup is done on directories
	first, then on programs instead of the other way round.

	New ?Y: directive to change unit layout. You may specify a
	TOP, DEFAULT or BOTTOM request on that line to respectively
	force the unit to the earliest possible, default or latest
	possible place in the Configure script, as dependencies
	permit.

	Symbols are now sorted according to the ?Y: layout directive.

	If you use the MailAuthor.U unit, you will be interested by the
	new -i option for patsend to add extra instructions for people
	receiving mailed patches. patnotify also tells users how to directly
	request for mailed patches. The patch making process now automatically
	supply the -i when invoking patsend. Changes contributed by Graham
	Stoney <greyham@research.canon.oz.au>.

. Files changed:

	* jmake/files/Jmake.rules: Smarter sed command to strip /usr/include
	dependencies.

	* jmake/jmake.SH: Will now force macro definitions to the left.

	* mcon/U/Config_h.U: Commented the purpose of the #un-def directive.

	* mcon/U/Loc.U: Commented the purpose of the #un-def directive. 
	Abort Configure run when mandatory command is missing.

	* mcon/U/Options.U: Protected option parsing code against 'echo -*'
	option failure.

	* mcon/U/perlpath.U, mcon/U/manfmt.U, mcon/U/mansrc.U,
	mcon/U/scriptdir.U, mcon/U/archlib.U, mcon/U/lib.U, mcon/U/privlib.U,
	mcon/U/bin.U: Unit is now forced to the top of Configure, if possible.

	* mcon/U/install.U: All possible install programs are now looked for.

	* mcon/man/mconfig.SH, mcon/man/mlint.SH: Documented new ?Y:
	directive.  Fixed my e-mail address.

	* mcon/pl/depend.pl, mcon/pl/init.pl, mcon/pl/lint.pl: New ?Y:
	directive to change unit layout.

	* mcon/pl/makefile.pl: Symbols are now sorted according to the ?Y:
	layout directive.

	* mcon/pl/xref.pl: Added empty p_layout stub for new ?Y: directives.

	* pat/pat.man: New -i option for patsend to add extra instructions.

	* pat/patmake.SH: Now calls patsend with -i to add more instructions.

	* pat/patnotify.SH: Now tells users how to directly request for
	mailed patches.

	* pat/patsend.SH: New -i option to add more instructions for
	end-users.

Tue Jul 25 16:41:40 METDST 1995   Raphael Manfredi <ram@hptnos02.grenoble.hp.com>

. Description:

	pat/Jmakefile was missing an entry for the patlog program, which
	prevented it from being installed, leading to chaos when patmake
	was run.

	New contributions from Ilya Zakharevich <ilya@math.ohio-state.edu>
	to provide OS/2 support. Configure can now be run under OS/2 using
	a ksh shell interpreter. Support for pdksh is undergoing, as far
	as I understand.

	The installation of script man pages can now cope with missing
	files. The jmake rules used to require that all scripts or none
	have .man files associated with them. From now on, the generated
	Makefile will check for the manual page existence before trying
	to install it.

	The clobber target now removes the .config directory as well,
	which is generated by Configure to cache various information
	over runs. Since clobber is intended to make a clean distribution,
	that directory must be removed at that stage.

	All jmake error messages are now prefixed with the program name.

	Re-arranged compile line to include ldflags before objects
	within all the compile-link tests in the metaconfig units, since
	some systems require that ld flags be specfied at that place.
	The only exception to this being the -llib directive, which stays
	at the end of the line (from Spider Boardman).

	added SVR4-ish /opt directories to path list (ADO)

	Added backslash escapes within evals in Typedef.U to prevent problems
	when the assigned variables have space in them (such as 'int *')...

	Force compile-link test for dl* routines since those symbols might lie
	in crt0.o, and not in any other library (ADO)

	Improved comments about the Gconvert macro and forced a compile-link
	test since the gconvert routine may exist but be unusable because
	it would refer to otherwise missing routines... Sigh! (ADO)

	Made cc and ccflags optional dependencies in several units.

	Added knowledge of the O_NONBLOCK symbol in d_open3.U (required for
	non-blocking I/O support, which is now computed by the new nblock_io.U
	unit).

	Use findhdr to find <sys/shm.h>, to get the right one (ADO)

	Typo fix on ?C: line for FILE_bufsiz in d_stdstdio.U.
	Also fixed unbalanced parenthesis and check whether FILE_cnt
	and FILE_ptr can be assigned to, i.e. may be used as lvalues. (ADO)

	Typo fix, sytem -> system in d_time.U and d_times.U.

	Conditionally use const in test programs for i_db.U (ADO)

	Use setvar so hint file values can override our guesses in
	i_pwd.U. (ADO)

	Removed <> characters from comments, per metalint suggestion

	Ensure ctrl-A characters are visible in prompt within the
	mboxchar.U unit (WED)

	Removed harmful spaces in assignment for selecttype.U.

	Added <asm/signal.h> lookup for correct signal name lookup
	under linux. That's probably as far as we'll get to support
	those idiosyncracies.

	Obsoleted KEEPALIVE in favor of CAN_KEEPALIVE for consistency
	with the 3.0 naming scheme.

	New metaconfig -G option to include a GNU configure-like
	wrapper over the generated Configure script. That way,
	people with a GNU background will be able to use (some) of
	the GNU configure options to configure the package. The
	wrapper computes suitable Configure options and then launches
	that script.

	Manual page for metaconfig now documents the new -G option,
	includes an extended description of the Csym.U unit and
	mentions what a compile-link test line should look like.

	Metalint will now check : comments line for potential danger,
	since those lines are really interpreted by the shell. Therefore,
	unbalanced quotes could cause huge parts of the Configure script
	to be ignored at run time, yielding weird results. Anyway,
	metalint will tell you about them.

	Two new files: a new unit, and the GNU configure-like wrapper.

. Files changed:

	* Jmakefile: Re-ordered macros, moving the install at the end.

	* bin/packinit.man: Fixed a typo.

	* jmake/files/Jmake.rules: Install of script man pages can now cope
	with missing files.  The clobber target now removes the .config
	directory as well.

	* jmake/jmake.SH: All error messages are now prefixed with the
	program name.

	* mcon/Jmakefile: Installs the GNU configure-like front-end to
	Configure.

	* mcon/U/Csym.U: Re-arranged compile line to include ldflags before
	objects.  Added quotes for OS/2 support.

	* mcon/U/libs.U, mcon/U/Loc.U, mcon/U/Guess.U, mcon/U/Oldconfig.U,
	mcon/U/libc.U: Now knows about OS/2 platforms.

	* mcon/U/Head.U: Added SVR4-ish /opt directories to path list (ADO). 
	OS/2 platforms are using another path separator.

	* mcon/U/Typedef.U: Added backslash escapes within evals to prevent
	space problems.

	* mcon/U/d_safebcpy.U, mcon/U/d_wifstat.U, mcon/U/d_setpgrp.U,
	mcon/U/ccflags.U, mcon/U/d_safemcpy.U: Re-arranged compile line to
	include ldflags before objects.

	* mcon/U/d_dlerror.U, mcon/U/d_dlopen.U: Force compile-link test
	since symbol might lie in crt0.o (ADO).

	* mcon/U/d_gconvert.U: Improved comments about the Gconvert macro
	(ADO).  Force compile-link test since it may exist but be unusable
	(ADO).

	* mcon/U/d_volatile.U, mcon/U/d_sgndchr.U, mcon/U/d_scannl.U,
	mcon/U/d_keepsig.U: Made cc and ccflags optional dependencies.

	* mcon/U/d_open3.U: Added knowledge of the O_NONBLOCK symbol.

	* mcon/U/d_shmat.U: Use findhdr to find <sys/shm.h>, to get the right
	one (ADO).

	* mcon/U/d_stdstdio.U: Typo fix on ?C: line for FILE_bufsiz.  Fixed
	unbalanced parenthesis (ADO).  Check whether FILE_cnt and FILE_ptr
	can be assigned to (ADO).

	* mcon/U/d_times.U, mcon/U/d_time.U: Typo fix, sytem -> system.

	* mcon/U/i_db.U: Conditionally use const in test programs (ADO).

	* mcon/U/i_pwd.U: Use setvar so hint file values can override our
	guesses (ADO).

	* mcon/U/i_sysfile.U: Removed <> characters from comment, per
	metalint suggestion.

	* mcon/U/mboxchar.U: Ensure ctrl-A characters are visible in prompt
	(WED).

	* mcon/U/nblock_io.U, mcon/configure: Created.

	* mcon/U/selecttype.U: Removed harmful spaces in assignment.

	* mcon/U/sig_name.U: Added <asm/signal.h> lookup for linux.

	* mcon/U/sockopt.U: Obsoleted KEEPALIVE in favor of CAN_KEEPALIVE for
	consistency.

	* mcon/man/mconfig.SH: Added extra nroff escapes at line heads to
	keep leading dots.  Documented new -G option.  Extended description
	of the Csym.U unit.  Now mentions what a compile-link test line
	should look like.

	* mcon/man/mlint.SH: Added two new warnings for : comments lines in
	Configure.

	* mcon/mconfig.SH: New -G option.

	* mcon/pl/cosmetic.pl: Added support for new -G option.

	* mcon/pl/lint.pl: Will now check : comments line for potential
	danger.

	* pat/Jmakefile: Was missing an entry for the patlog program.

Fri May 12 14:39:16 METDST 1995   Raphael Manfredi <ram@hptnos02.grenoble.hp.com>

. Description:

	Regenerated Configure with pre-release of PL54.

	Updated my e-mail address in all manual pages. I had forgotten
	about that in my previous patch.

	Various fixes in units from Andy Dougherty. Thanks to him and
	to the efficient perl5-porters team that strive to port perl5
	to every possible existing platform on Earth, hence making
	Configure more and more robust ;-). Here are Andy's fixes:

	. split awk command onto two lines for older awks
	. fixed C test program to bypasss gcc builtin type checks
	. deleted tabs that caused some /bin/sh to core dump
	. cleaned up and extended osvers for DEC OSF/1
	. added MachTen detection
	. protect against spaces in "uname -m" output
	. extended for more intimate DB probing
	. made more robust [ng]dbm units by checking both header
	  and libraries for features
	. can now grok linux nm output with leading __IO
	. added support for linux ELF output, using 'W' for alias
	. now looks for <linux/signal.h> too
	. ensure that ./mips always exists

	Added -K option for experts. That Configure option should only
	be used when you know what you are doing. The config.sh reload
	logic now knows about new -K switch so that you now have to say:
		Configure -dK
	to get the old
		Configure -d
	behaviour.

	Configure now checks for a valid C compiler and that the
	specified ccflags and ldflags are coherent with the choice
	of the C compiler. It aborts if the C compiler does not
	work (since it might be used for feature testing), but only
	offers to abort when a flag inconsistency is detected.
	Contributed by Tye McQueen (again!).

	Complete rewrite of d_stdstdio.U by Tye McQueen to fit modern
	systems. The USE_STD_STDIO symbol has been obsoleted by the
	new USE_STDIO_PTR symbol. Also, access to _ptr, _cnt and
	_base fields in the FILE structure should be made only via the
	new metaconfig macros FILE_ptr, FILE_cnt, etc...

	Made sure only most recent version of shared lib is picked.
	This is for systems where libc.so.3 and libc.so.13 might
	co-exist. We really need to pick the second one, whereas the
	previous alphabetic sort was picking the first.

	Final "nm -p" check now uses xscan and xrun like everybody.
	It used to do its checking manually. Using xscan and xrun allows
	for the printing of the busy dots while scanning.

	The patpost script will now add an explicit From: header line
	pointing to the maintainer address, as configured in your
	.package. This is to prevent broken inews to insert the hostname
	where patpost is ran, which might not be visible from the outside.

. Files changed:

	* pat/pat.man, bin/packinit.man, jmake/jmake.man, kit/kitpost.man,
	bin/manilist.man, kit/makedist.man, jmake/jmkmf.man, kit/manifake.man,
	, dist.man: Updated my e-mail address.

	* mcon/U/Cppsym.U: Split awk command onto two lines for older awks
	(ADO).

	* mcon/U/Csym.U: Fixed C test program to bypasss gcc builtin type
	checks (ADO).

	* mcon/U/Inhdr.U: Deleted tabs that caused some /bin/sh to core dump
	(ADO).

	* mcon/U/Oldconfig.U: Config.sh reload logic now knows about new -K
	switch.  Cleaned up and extended osvers for DEC OSF/1 (ADO).  Added
	MachTen detection (ADO).

	* mcon/U/Options.U: Added -K option for experts.

	* mcon/U/archname.U: Protect against spaces in "uname -m" output
	(ADO).

	* mcon/U/cc.U: May now abort Configure when cc does not work.

	* mcon/U/ccflags.U: Now checks for cc/ccflags/ldflags coherency.

	* mcon/U/d_casti32.U: Made sure cc and ccflags are conditional
	dependencies.

	* mcon/U/d_castneg.U: Made sure cc and ccflags are conditional
	dependencies.  Added improved test case for Interactive Unix.

	* mcon/U/d_stdstdio.U: Complete rewrite by Tye McQueen to fit modern
	systems.

	* mcon/U/d_voidsig.U: Made cppflags dependency optional.

	* mcon/U/i_db.U: Extended for more intimate DB probing (ADO).

	* mcon/U/i_gdbm.U, mcon/U/i_ndbm.U, mcon/U/i_dbm.U: Made more robust
	by checking both header and lib (ADO).

	* mcon/U/libc.U: Made sure only most recent version of shared lib is
	picked.  Final "nm -p" check now uses xscan and xrun like everybody. 
	Can now grok linux nm output with lead __IO (ADO).  Added support for
	linux ELF output, using 'W' for alias (ADO).

	* mcon/U/sig_name.U: Now looks for <linux/signal.h> too (ADO).

	* mcon/U/usrinc.U: Ensure that ./mips always exists (ADO).

	* mcon/man/mconfig.SH: Documented new -K switch for knowledgeable
	users.

	* pat/patpost.SH: Added explicit From: header line pointing to the
	maintainer.

Tue Mar 21 09:55:57 MET 1995   Raphael Manfredi <ram@hptnos02.grenoble.hp.com>

. Description:

	Regenerated Configure to reflect my email address change. I moved
	from ACRI to HP, and my email is now: <ram@hptnos02.grenoble.hp.com>.
	The "critical" nature of this patch is due to that mere fix.

	Jmake was not working at all on HP-UX due to the way their cpp
	systematically removes trailing backslashes in text. The new
	fixcpp script is now a wrapper over cpp to first escape those
	backslashes that should be preserved accross cpp before feeding
	it with the text of the Jmakefile...

	Suppressed extra argument to NormalProgramTarget call in jmake rules.

	Definition of the paths variable in Head.U wrongly added spurious
	':' chars. Thanks to Karst Koymans <Karst.Koymans@phil.ruu.nl> for
	pointing it out.

	Swapped two first arguments of memcpy() calls for memcpy safe
	overlapping copy tests. Indeed, the memcpy() calling sequence used
	was the same as bcopy(), but the first two arguments should be
	swapped to preserve the same semantics.

	Continued fix for NeXT NIS/NetInfo handling, from Graham Stoney.

	Two new files.

. Files changed:

	* jmake/Jmakefile: Now installs new fixcpp script in the private
	libdir.

	* jmake/files/Jmake.rules: Suppressed extra argument to
	NormalProgramTarget call.

	* jmake/fixcpp.SH, mcon/U/d_wifstat.U: Created.

	* jmake/jmake.SH: Now invokes cpp through new fixcpp script.  First
	pass now skips cpp comments alltogether.

	* mcon/U/Head.U: Definition of paths wrongly added spurious ':' chars.

	* mcon/U/d_safemcpy.U: Swapped two first arguments of memcpy() calls.

	* mcon/U/nis.U: Continued fix for NeXT NIS/NetInfo handling.

Wed Feb 15 15:23:06 MET 1995   Raphael Manfredi <ram@acri.fr>

. Description:

	This patch only contains random cleanup and minor fixes that were
	brought to my attention on the dist-users list.

	Regenerated Configure with pre-release of 3.0 PL51, since it
	was a little outdated.

	Wayne Davison's changes:
	. now clearer about how to edit config.sh at the end of Configure.
	. Getfile was not working if ~'s allowed with d_portable on
	. Instruct.U: author name now appears at the end of a paragraph

	Andy Dougherty adapted osvers computation for AIX. He also
	fixed mansrc.U where I had mistakenly duplicated /usr/local/man/man1.
	He added /opt/man/man1 to the lookpath instead, a change originating
	from Tye McQueen <tye@metronet.com>.

	Architecture name is now computed by a separate unit. This allows
	authors to precompute it in a hint file, while warning the user
	when the machine's architecture name changes (because for instance
	the OS was upgraded), preventing mistakes.

	Now correctly handles NeXT using NIS rather than NetInfo, thanks
	to a patch sent by Graham Stoney <greyham@research.canon.oz.au>.

	One new file (unit archname.U).

. Files changed:

	* mcon/U/Finish.U: Now clearer about how to edit config.sh at the
	prompt (WED).

	* mcon/U/Getfile.U: Was not working if ~'s allowed with d_portable on
	(WED).

	* mcon/U/Instruct.U: Author name now appears at the end of the
	paragraph (WED).

	* mcon/U/Oldconfig.U: Adapted osvers computation for AIX (ADO).

	* mcon/U/archlib.U: Architecture name is now computed by a separate
	unit.

	* mcon/U/archname.U: Created.

	* mcon/U/mansrc.U: Was mistakenly duplicating /usr/local/man/man1
	(ADO).  Added /opt/man/man1 to the lookpath (ADO).

	* mcon/U/nis.U: Now correctly handles NeXT using NIS rather than
	NetInfo.

Mon Jan 30 15:59:00 MET 1995   Raphael Manfredi <ram@acri.fr>

. Description:

	The dist-3.0 package now works with perl 5.0. I have made perl 5.0
	the default perl on my machine and ran the whole set of pat* tools,
	jmake and metaconfig without any trouble so far. However, you need
	a patched-up version of perl 5.0 PL0, as explained in README.

	This set of patches is mainly an integration of Wayne Davison's
	changes for trn. His changes are flagged as WED.

	Begin.U:
	  Avoid an empty rmlist: systems might choke on it (WED).

	Config_h.U:
	  Typo fixes in leading config.h comment (WED).

	Oldconfig.U:
	  Update code for myuname changed (WED).

	Configure can now handle installation prefix changes. I have
	slightly adapted the changes proposed by Wayne, introducing two
	new special units (Prefixit.U and Prefixup.U) to factorize code.

	d_attribut.U:
	  Test C program now includes <stdio.h> (WED)

	page.U:
	  Ensure dflt gets initialized in case no pagers are found (WED)

	prefix.U:
	  Save off previous prefix value in oldprefix if changed (WED)
	  Added the INSTALLPREFIX define for C programs to use (WED)

	Archname is now systematically recomputed. This avoids problem when
	the user changes his mind about the OS name.

	Now looks for POSIX regcomp() routine, and for <regex.h>, thanks
	to Sidney C. Smith <scsmith@cbda9.apgea.army.mil>.

	New installmanfmt and AFS-lookup for formatted man pages, derived
	from what is done for troffed man pages.

	New prefixexp variable holding a fully expanded prefix, in case
	they use ~name expansion in their prefix.

	Documented new special units Prefixit.U and Prefixup.U.

	Clean-up and workarounds for perl 5.0 PL0 port:
	  Removed old "do name()" routine call constructs.
	  Forgot to localize the spaces variable.
	  Random clean-up in &record_obsolete.

	Three new files.

. Files changed:

	* mcon/U/Begin.U: Avoid an empty rmlist: systems might choke on it
	(WED).

	* mcon/U/Config_h.U: Typo fixes in leading config.h comment (WED).

	* mcon/U/Oldconfig.U: Unit Options.U now exports file optdef.sh, not
	a variable.  Update code for myuname changed (WED).

	* mcon/U/Options.U: This unit now exports file optdef.sh, not a
	variable.

	* mcon/U/i_regex.U, mcon/U/Prefixit.U, mcon/U/Prefixup.U: Created.

	* mcon/U/archlib.U: Archname is now systematically recomputed.  Can
	now handle installation prefix changes (from WED).

	* mcon/U/mansrc.U, mcon/U/scriptdir.U, mcon/U/lib.U, mcon/U/privlib.U,
	, mcon/U/bin.U: Can now handle installation prefix changes (from WED).

	* mcon/U/d_attribut.U: Test C program now includes <stdio.h> (WED).

	* mcon/U/d_regcmp.U: Now looks for POSIX regcomp() routine.

	* mcon/U/manfmt.U: New installmanfmt and AFS-lookup for formatted man
	pages.  Can now handle installation prefix changes (from WED).

	* mcon/U/pager.U: Ensure dflt gets initialized in case no pagers are
	found (WED).

	* mcon/U/prefix.U: New prefixexp variable holding a fully expanded
	prefix.  Save off previous prefix value in oldprefix if changed
	(WED).  Added the INSTALLPREFIX define for C programs to use (WED).

	* mcon/U/rootid.U: Now only prints a single empty line when
	outputting something.

	* mcon/man/mconfig.SH: Documented new special units Prefixit.U and
	Prefixup.U.

	* mcon/pl/configure.pl, mcon/pl/eval.pl: Removed old "do name()"
	routine call constructs.

	* mcon/pl/cosmetic.pl: Forgot to localize the spaces variable.

	* mcon/pl/obsolete.pl: Random clean-up in &record_obsolete.

Wed Jan 11 17:03:22 MET 1995   Raphael Manfredi <ram@acri.fr>

. Description:

	Regenerated Configure with pre-release of metaconfig PL45 to
	benefit from the new install program lookup. From now on, the
	supplied install.SH script will not be used if a BSD-compatible
	install executable is found on your host (to accelerate the whole
	install procedure).

	Regenerated many Makefile.SH files with pre-release of jmake PL45
	to correctly handle the new install and installdir configuration
	variables.

	Updated the Wishlist file.

	New jmake macros. Also the MakeDirs macro was modified to benefit
	from the information gathered by Configure concerning the way to
	install nested directories (uses the new installdir variable).

	As a consequence, Makefile.SH files now pre-compute INSTALL and
	INSTALLDIR variables before substituting (concerns jmake-generated
	makefiles).

	Moved path stripping from d_portable.U to end of Configure. This
	lets Configure use $vi and $perl, etc... set to their fully
	qualified path name, hence making it easier for units to know
	whether a particular program was located. Formerly, you had to
	use $_vi, $_perl, etc... in case they asked for portability, which
	stripped out executable paths.

	New cc vs. cpp symbol checking, as well as more cpp symbols in
	the attribute list. Configure will now try to determine separately
	symbols defined by cpp and by the cc wrapper, letting you know about
	what is defined and by whom. Thanks to Jarkko Hietaniemi for this
	suggestion.

	Added support for escaping answers to skip various checks in the
	Getfile.U unit. For instance, you may now say:
		fn='/fe~(foo)'
		. ./getfile
	and let them answer only fully qualified paths OR the string 'foo'.
	You may supply a comma-separated list between the parenthesis. See
	the manual page or the new install.U unit for more information.

	Modified message issued after file expansion in the Getfile unit.

	Protected various "sh -c" calls within backquotes for Linux and
	SGI shells (to prevent an "ambiguous output redirection" message).
	Thanks to Xavier Le Vourch for suggesting it.

	Added & escape allowing user to turn on -d from the prompt. Several
	people have expressed the need for such a feature, arguing that
	once they have re-run a Configure script to fix the answer to a
	particular question, they would like to have the remaining of the
	script ran as if -d had been given to Configure. Well, they now
	may reply '& -d' at the Myread prompt to turn -d on.

	New -O option allowing -D and -U to override config.sh setttings.
	This may be used to alter particular variables but still re-use
	most of the previously guessed-at ones. Still, this may produce
	inconsistencies and therefore is not the default behaviour (the
	-D and -U switches have no effect by default if a previous config
	file is loaded).

	Therefore, file optdef.sh is no longer removed after sourcing from
	the UU directory.

	Changed gcc checking message to a more explicit one (WED)
	Call ./mips instead of just mips (WED)
	Use 'test -f' instead of 'test -r' for exec-only cat progs (WED)
	Fixed typo in the d_attribut variable (ADO)

	New unit install.U to locate BSD-compatible install programs.
	New unit poll.U to check for the poll() routine availability.

	Allows hint files to specify their own value for 'ranlib', to
	overcome a bug in the NeXT ranlib program. Suggested by
	Andreas Koenig <k@franz.ww.tu-berlin.de> on the perl5-porters
	mailing list. Thanks!

	Now sets sbrksmart to undef explicitely when lacking sbrk().
	Forgot a cast when using return value from sbrk(). Both fixes
	reported by Xavier Le Vourch <xavierl@eiffel.com>.

	Now allows @if statements for the add.Config_sh unit inclusion.

	Metaconfig will now tell users about possible extra file-extension
	lookups they have requested via 'packinit'.

. Files changed:

	* jmake/files/Jmake.rules: New macros ShellScriptTargetExt and
	SimpleShellScriptTargetExt.  Directory installation is now made via
	INSTALLDIR (Configure).

	* jmake/files/Jmake.tmpl: Now pre-computes INSTALL and INSTALLDIR
	variables.

	* mcon/U/Config_sh.U: Moved path stripping from d_portable.U to end
	of Configure.

	* mcon/U/Cppsym.U: New cc vs. cpp symbol checking suggested by JHI. 
	Added more cpp symbols (JHI).

	* mcon/U/Getfile.U: Added support for escaping answers to skip
	various checks.  Modified message issued after file expansion.

	* mcon/U/Instruct.U: Now documents the & escape to turn -d on at the
	read prompt.

	* mcon/U/Loc.U: Protected "sh -c" within backquotes for Linux and
	SGI.  Added path lookup for the 'comm' program.

	* mcon/U/Myread.U: Added & escape allowing user to turn on -d from
	the prompt.

	* mcon/U/Oldconfig.U: Added quotes around the INITPROG variable
	(ADO).  Allows variable overriding after config file loading.

	* mcon/U/Options.U: New -O option allowing -D and -U to override
	config.sh setttings.  File optdef.sh is no longer removed after
	sourcing.

	* mcon/U/cc.U: Changed gcc checking message to a more explicit one
	(WED).

	* mcon/U/d_attribut.U: Fixed typo in the d_attribut variable (ADO).

	* mcon/U/d_keepsig.U: Protected "sh -c" within backquotes for Linux
	and SGI.

	* mcon/U/install.U, mcon/U/d_poll.U: Created.

	* mcon/U/d_portable.U: Executable path stripping moved to the end in
	Config_sh.U.

	* mcon/U/d_safebcpy.U: Added 'ldflags' to the test compile line (ADO).

	* mcon/U/defeditor.U: Can now use the 'vi' variable since path
	stripping is deferred.

	* mcon/U/libpth.U: Call ./mips instead of just mips (WED).

	* mcon/U/perlpath.U, mcon/U/mansrc.U, mcon/U/mailer.U: Can now use
	Loc variables since path stripping is deferred.

	* mcon/U/orderlib.U: Allows hint files to specify their own value for
	'ranlib'.

	* mcon/U/sbrksmart.U: Now sets sbrksmart to undef explicitely when
	lacking sbrk().  Forgot a cast when using return value from sbrk().

	* mcon/U/spitshell.U: Use 'test -f' instead of 'test -r' for
	exec-only cat progs (WED).  Protected "sh -c" within backquotes for
	Linux and SGI.

	* mcon/U/voidflags.U: Cosmetic change to avoid spurious blank lines
	when using -s.

	* mcon/man/mconfig.SH: Documents new -O option and new Getfile escape
	supports.  Documents the & escape in Myread and the new cc symbol
	lookup.

	* mcon/pl/configure.pl: Now allows @if statements for the
	add.Config_sh unit inclusion.

	* mcon/pl/wanted.pl: Added % in front of hash table names for perl5's
	each() (ADO).  Tell users about possible extra file-extension lookups.

Mon Oct 31 10:57:05 MET 1994   Raphael Manfredi <ram@acri.fr>

. Description:

	It used to be that option processing was done before Configure
	initializations were performed, because Options was listed in
	the dependency line of Init.U. However, this was wrong because
	-D and -U command line switches were then unable to override any
	default setting done in Myinit.U, which is counter-intuitive at
	best. Thanks to Andras Salamon <andras@is.co.za> for pointing
	this out.

	I therefore created a new unit Begin.U, which clearly marks
	the beginning of the configuration questions (so End.U now
	has its pending unit). On that unit, we list Myinit followed
	by Options on the ?MAKE: line, so that option processing
	comes after user-defined or default initializations but before
	the real interactive start (which is mandatory for a correct
	Configure -h processing, for instance).

	A few units were making use of variables set up in Options.U
	and made visible. However, those did not need to list Options
	in their ?MAKE: line due to the way metalint performs its visible
	symbol lookup (by following dependencies recursively and implicitely
	placing Init at the top). Since Options is no longer a dependency
	of Init, Myread.U and Csym.U now explicitely mention Options in
	their dependency line.

	Also, the leading comment in Chk_MANI.U now explains how this
	unit gets included into the Configure script. There used to be
	an explaination there, but it was no longer accurate.

	One new unit file (Begin.U).

. Files changed:

	* mcon/U/Begin.U: Created.

	* mcon/U/Chk_MANI.U: Now lists Begin instead of Myinit in its
	dependencies.  Leading comment now explains how this unit is included.

	* mcon/U/Myread.U, mcon/U/Csym.U: Added Options to the MAKE line
	since it's no longer in Init.U.

	* mcon/U/Init.U: Removed Options from MAKE to prevent Init overrides.
	Option processing now done after Myinit thanks to new Begin.U.  Moved
	"Beginning of configuration questions" to Begin.U.  Moved signal
	trapping instruction to Begin.U as well.

	* mcon/U/Myinit.U: Leading comment states this unit comes before
	option processing.

Sat Oct 29 19:05:42 MET 1994   Raphael Manfredi <ram@acri.fr>

. Description:

	I forgot to quote $@ to protect against "evil" characters.
	Unfortunately, this causes Configure to output an error message
	when calling the created 'tr' script (which it does all the time
	given the leading '.' in PATH) with arguments like '\012'. The
	final
		exec tr $@
	line causes a 'tr' failure because it does not understand the
	arguments it is given. Saying
		exec tr "$@"
	fixes the problem since then the original quotes are "propagated"
	to the new call.

	The amazing thing is that I have tested this, but apparently the
	simple Configure script I generated for that purpose did not make
	use of the "tr '/012' ' '" construct. Hence I missed it. Sorry.

. Files changed:

	* mcon/U/Tr.U: Forgot to quote $@ to protect against "evil"
	characters.

Sat Oct 29 18:16:03 MET 1994   Raphael Manfredi <ram@acri.fr>

. Description:

	Regenerated Configure with metaconfig 3.0 PL35 to benefit from
	the lattest enhancements. Unfortunately, I have not pre-installed
	the patch relased before regenerating, so Configure is still behind
	the current patchlevel. I hope you don't mind ;-)

	The good news is: I've made sure all the scripts compile fine
	with perl 5.0. This involved fixing an open precedence problem
	in manilist, and some escapes in strings and regexps to make
	sure all dangerous '@' are protected since they now interpolate.
	I also fixed perload since perl5's packages are now introduced
	by '::' instead of the single quote.

	The bad news is: it's not guaranteed to work. At least with the
	pre-release version of perl 5.0 I have, metaconfig (the dataloaded
	version) fails, and I've not been able to narrow down the problem
	to a small test-case so I don't know what's happening. The non
	dataloaded version appears to be running fine, but if you get
	strange problems, make sure you use perl 4.0 PL36 before sending
	me a bug report. :-)

	Added support for user-defined C and shell file extensions. This
	was needed in perl5 for instance (.xs files are containing C
	symbols and metaconfig should really look at those). Well, you
	may now add as many extensions (C or SH) from within packinit.

	Packinit also asks whether a ChangeLog file is to be managed.
	This is a new feature relying on the new patlog script. If you
	don't ask for a ChangeLog file, you should get the old behaviour.
	If you do, well you will have to read the documentation to know
	what changes it involves (mainly at the user-interface level when
	running 'patmake', which now calls 'patlog'). Don't forget to
	add ChangeLog to your MANIFEST.new before running patmake anyway.

	Optionally, you can include the RCS logs within your ChangeLog
	file, and they will follow the description (what you are reading
	now) which normally appears within the Description: section of
	the patch itself.

	Packinit now creates new variables cext, shext, changelog and
	changercs in the .package file to handle user-defined file extensions
	and the ChangeLog file.

	Added new RemoteDependency rule for jmake.

	Don't use rootid as a variable, it is known by metaconfig and
	results in having Configure compute the root uid when it's not
	needed. Renamed it to rootmsgid to avoid this kind of problem.

	Added ?F: lines in units creating files for metalint checking.
	This incurred many small changes in units where things like
		if usg; then
	were written when in fact meaning:
		if ./usg; then
	Well, I know Configure sets '.' at the beginning of the PATH, but
	since metalint now systematically warns about such abuse (provided
	files are declared in the ?F: lines in the special unit defining
	them), it was the only way to shut up metalint.

	Metalint also now checks for variables used as ${var}.

	Symbols ardent and titan are now looked at for cpp definition. (ADO)

	Make sure ENV is unset before calling /bin/ksh. Not doing this
	is known to produce strange results. For instance, if one has
	a ~/.kshrc aliasing 'cd' to something else. Configure might
	get confused and do the wrong thing. Not setting ENV ensures
	no such startup file will be used. Of course, this does not
	work if you say 'ksh Configure', but then you are supposed to
	know what you are doing.

	The loc script can now perform safe wildcard searching. (ADO)

	The Oldconfig.U unit was merged with the version used for perl5's
	Configure (ADO). Be careful if you use hints, the behaviour you
	will now get might not be fully backward compatible. Since the
	Author currently does not have any such package, he did not test
	that specific feature. You have been warned. (But everything
	should be fine).

	Configure now protects variable definitions with spaces in them,
	so that people saying:
		Configure -D cc='cc -posix'
	will get what they expect.

	Added checks for secure setuid scripts. (Tye McQueen)

	Spurious single quote in the lex.U unit could cause Configure
	to crash, reported by Xavier Le Vourch <xavierl@eiffel.com>.
	Indeed, the unit was saying something like
		: .... and they'll ...
	so the shell happily began to eat everything up to the next
	single quote it could found, resulting in weird behaviours...

	Now looks for shared libraries before anything else and
	removed the old broken thislib/thatlib processing in libs.U.
	This has been tested in the perl5 distribution and is believed
	to be better than the previous scheme. (ADO)

	New Tr unit to convert to/from lowercase. Whenever you need
	to say:
		tr '[A-Z]' '[a-z]'
	or the other way round, add Tr in your dependency line and
	say something like
		./tr '[A-Z]' '[a-z]'
	i.e. you need to call a local tr script that will trap the
	arguments and possibly call
		tr '[:upper:]' '[:lower:]'
	if your machine supports this. Otherwise, with a non-ascii
	character set, you will get strange results (HP is know
	to exercise this, thanks to Andreas Sahlbach
	<a.sahlbach@tu-bs.de> for letting me know about it).

	ranlib checking is more accurate now (ADO)

	Newer RCS programs chop trailing spaces in log messages, and
	that could cause 'patcil -s' to fail stripping the RSC logs.

	separated V/E and v/e commands in the patcil built-in prompter.
	The new 'v' command now edits the file being patcil'ed.
	added hook for 'V' command (not implemented yet)
	The 'e' and 'E' commands have retained their semantics.

	19 new files, mostly metaconfig units.

. Files changed:

	* bin/manilist.SH: Fixed open precedence problem for perl5.

	* bin/packinit.SH: Added support for user-defined C and shell file
	extensions.  Now asks whether a ChangeLog file is to be managed.

	* bin/packinit.man: Added new variables cext, shext, changelog and
	changercs.

	* bin/perload: Added minimal support for perl5 dataloading.

	* dist.man: Mentions new patlog script and ChangeLog file.

	* jmake/files/Jmake.rules: Added RemoteDependency rule.

	* jmake/jmake.SH, pat/patnotify.SH, mcon/pl/depend.pl: Added various
	escapes in strings for perl5 support.

	* kit/kitpost.SH: Don't use rootid as a variable, it is known by
	metaconfig.

	* mcon/U/bitpbyte.U, mcon/U/d_NOFILE.U, mcon/U/mkdep.U,
	mcon/U/d_PORTAR.U, mcon/U/alignbytes.U, mcon/U/byteorder.U,
	mcon/U/Finish.U, mcon/U/nlist_pfx.U, mcon/U/charorder.U,
	mcon/U/d_getpagsz.U, mcon/U/ptrsize.U, mcon/U/intsize.U,
	mcon/U/Getfile.U, mcon/U/Extract.U, mcon/U/Myread.U, mcon/U/Whoa.U,
	mcon/U/longsize.U, mcon/U/floatsize.U, mcon/U/Config_sh.U,
	mcon/U/cppstdin.U, mcon/U/doublesize.U, mcon/U/Findhdr.U,
	mcon/U/i_varhdr.U, mcon/U/charsize.U: Added ?F: line for metalint
	file checking.

	* mcon/U/Cppsym.U: Added ?F: line for metalint file checking.  New
	symbols ardent and titan (ADO).

	* mcon/U/Filexp.U: Added ?F: line for metalint file checking.  Added
	HOME to the ?T: line since metalint now checks ${HOME}.

	* mcon/U/Guess.U: Added ?F: line for metalint file checking.  Call
	./xenix explicitely instead of relying on PATH.

	* mcon/U/Head.U: Make sure ENV is unset before calling /bin/ksh.

	* mcon/U/Setvar.U, mcon/U/Inhdr.U, mcon/U/Inlibc.U: Call ./whoa
	explicitely instead of relying on PATH.

	* mcon/U/Loc.U: Added ?F: line for metalint file checking.  Be
	careful and guard against wildcard searching (ADO).

	* mcon/U/Oldconfig.U: Added ?F: line for metalint file checking. 
	Merged with the version used for perl5's Configure (ADO).

	* mcon/U/Options.U: Ensure option definition file is removed before
	appending.  Protect variable definitions with spaces in them.

	* pat/patlog.SH, mcon/U/Tr.U: Created.

	* mcon/U/Typedef.U: Don't clobber visible 'val' variable, use
	'varval' instead.

	* mcon/U/Warn_v7EXT.U, mcon/U/Warn_v7ND.U: Call ./v7 explicitely
	instead of relying on PATH.

	* mcon/U/abortsig.U, mcon/U/d_bsdjmp.U: Call ./usg explicitely
	instead of relying on PATH.

	* mcon/U/d_attribut.U, mcon/U/d_gconvert.U, mcon/U/d_drem.U,
	mcon/U/d_locconv.U, mcon/U/d_mkfifo.U, mcon/U/d_fmod.U,
	mcon/U/d_linuxstd.U, mcon/U/d_pathconf.U, mcon/U/archlib.U,
	mcon/U/d_dlerror.U, mcon/U/d_sysconf.U, mcon/U/i_dld.U,
	mcon/U/modetype.U: Created by ADO.

	* mcon/U/cc.U: Detect gcc even when not called as 'gcc' (ADO). 
	Simplified gcc version checking (ADO).  Added ?F: line for metalint
	file checking.

	* mcon/U/ccflags.U: Gcc versionning no longer relies on the C
	compiler's name.  Simplified check for gcc version checking (ADO).

	* mcon/U/cpp_stuff.U: Now uses cppstdin instead of plain cpp for
	consistency (ADO).  Remove temporary files when done.

	* mcon/U/d_casti32.U: Declare signal handler correctly (ADO).

	* mcon/U/d_castneg.U: Don't forget to tell user about compilation
	failures (ADO).  Declare signal handler correctly using 'signal_t'
	(ADO).

	* mcon/U/d_closedir.U, mcon/U/d_safemcpy.U, mcon/U/d_isascii.U: Added
	'ldflags' to the test compile line (ADO).

	* mcon/U/d_dosuid.U: Added checks for secure setuid scripts (Tye
	McQueen).

	* mcon/U/d_keepsig.U, mcon/U/d_eofpipe.U, mcon/U/d_normsig.U,
	mcon/U/d_tzmin.U: Call ./bsd explicitely instead of relying on PATH.

	* mcon/U/d_gethname.U: Call ./xenix explicitely instead of relying on
	PATH.

	* mcon/U/d_newsadm.U: Call ./eunice explicitely instead of relying on
	PATH.

	* mcon/U/d_setpgrp.U: Added 'ldflags' to the test compile line (ADO).
	Call ./usg explicitely instead of relying on PATH.

	* mcon/U/registers.U, mcon/U/shm_for.U, mcon/U/d_speedopt.U: Call
	./Cppsym explicitely instead of relying on PATH.

	* mcon/U/d_time.U: Now uses new Typedef unit to compute type
	information (ADO).

	* mcon/U/groupstype.U: No longer uses Setvar to set 'groupstype'
	(ADO).  Typo fix in the word 'argument' (ADO).

	* mcon/U/i_dirent.U: Failed scanning for 'd_namlen' with missing
	<dirent.h> (ADO).

	* mcon/U/i_neterrno.U: Forgot to initialize 'val' to an empty value
	(ADO).

	* mcon/U/i_termio.U: Call ./usg and ./Cppsym explicitely instead of
	relying on PATH.

	* mcon/U/lex.U: Spurious single quote could cause Configure to crash.
	(reported by Xavier Le Vourch <xavierl@eiffel.com>.).

	* mcon/U/libc.U: Now looks for shared libraries before anything else
	(ADO).  Added new nm output format (ADO).

	* mcon/U/libs.U: Removed old broken thislib/thatlib processing (ADO).

	* mcon/U/mailfile.U: The Loc unit was missing from the dependency
	line.

	* mcon/U/myhostname.U: Call ./xenix explicitely instead of relying on
	PATH.  Now uses new Tr unit to convert to/from lowercase.

	* mcon/U/nametype.U: Call ./usg and ./bsd explicitely instead of
	relying on PATH.

	* mcon/U/orderlib.U: Now performs a real small compile for accurate
	checks (ADO).

	* mcon/U/package.U: Beware of non-ascii character sets when
	translating case.

	* mcon/U/pager.U: Replaced Myread by Getfile in the dependency line.

	* mcon/U/prefshell.U: Added SHELL temporary since metalint now sees
	${SHELL}.

	* mcon/U/so.U: Now tells user how he can suppress shared lib lookup
	(ADO).  Removed echo at the top, since it's now in the here-doc (ADO).

	* mcon/U/ssizetype.U: Added ?F: line for metalint file checking. 
	Added 'ldflags' to the test compile line (ADO).

	* mcon/man/mconfig.SH: Added nroff protection for lines beginning
	with '.'.  Documents new ?F: line for file declarations.  Added
	example showing how ./loc can be used.

	* mcon/man/mlint.SH: Documents new ?F: lines and the related metalint
	warnings.  Removed statement in BUGS since all warnings may now be
	shut.

	* mcon/man/mxref.SH: The leading .TH was referring to metaconfig.

	* mcon/pl/common.pl: Metaconfig and metaxref ignore ?F: lines from
	now on.

	* mcon/pl/files.pl: Added user-defined file extension support for
	lookups.

	* mcon/pl/lint.pl: Now extensively checks created files thanks to new
	?F: lines.

	* mcon/pl/locate.pl: Misspelled a 'closedir' as a 'close' statement.

	* pat/pat.SH: Now unlinks all the files created by patlog in bugs.

	* pat/pat.man: Documents new patlog script and the files it uses. 
	The RCS layer section has been extended slightly.

	* pat/patcil.SH: Now honors the VISUAL and EDITOR environment
	variables.  Newer RCS programs chop trailing spaces in log messages. 
	Separated V/E and v/e commands.  New 'v' command to edit the file
	being patcil'ed.  Added hook for 'V' command (not implemented yet).

	* pat/patmake.SH: A lot of setup is now performed by patlog.  Added
	various escapes in strings for perl5 support.