Remove spurious LINT: directives

[metaconfig.git] / U / modified / Head.U

diff --git a/U/modified/Head.U b/U/modified/Head.U
index 4d27b99..593e225 100644 (file)
--- a/U/modified/Head.U
+++ b/U/modified/Head.U
@@ -1,7 +1,7 @@
 ?RCS: $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 ?RCS:
 ?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
+?RCS:
 ?RCS: You may redistribute only under the terms of the Artistic Licence,
 ?RCS: as specified in the README file that comes with the distribution.
 ?RCS: You may reuse parts of this distribution only within the terms of
@@ -42,17 +42,17 @@
 ?RCS: Revision 3.0  1993/08/18  12:04:58  ram
 ?RCS: Baseline for dist 3.0 netwide release.
 ?RCS:
-?X: 
+?X:
 ?X: This is the very first unit in the Configure script.  It is mostly just
 ?X: things to keep people from getting into a tizzy right off the bat.
-?X: 
+?X:
 ?MAKE:Head:
 ?MAKE: -pick wipe $@ %<
 ?V:PATH p_ me
 ?T:argv Id p paths OS2_SHELL DJGPP
 ?T:inksh needksh avoidksh newsh changesh reason
-?LINT:extern ENV CDPATH SHELL MACHTYPE _exe
-?LINT:change ENV CDPATH _exe
+?LINT:extern ENV CDPATH SHELL MACHTYPE _exe is_os2
+?LINT:change ENV CDPATH is_os2
 #! /bin/sh
 #
 # If these # comments don't work, trim them. Don't worry about any other
@@ -79,6 +79,13 @@
 # comp.sources.misc and is available on CPAN under authors/id/RAM so
 # you may fetch it yourself from your nearest archive site.)
 #
+?X: OK, I'll not alter, but I'll add to it then ...
+#
+# Though this script was generated by metaconfig, it is OK to send
+# patches against it. It's up to the Configure pumpkin to backport
+# the patch to the metaunits if it is accepted.
+# See Porting/pumpkin.pod for more information on metaconfig.
+#
 ?X:
 ?X: NOTA BENE:
 ?X: If you develop you own version of metaconfig based on this work,
@@ -115,6 +122,30 @@ true || exec sh $0 $argv:q
 (exit $?0) || exec sh $0 $argv:q
 rm -f c1$$ c2$$
 
+if test -f /dev/cputype -a -f /dev/drivers -a -f /dev/osversion; then
+       cat >&4 <<EOF
+***
+*** I'm sorry but this system looks like Plan 9 and Plan 9 doesn't do
+*** Configure that well.  (Plan 9 is close to UNIX but not close enough.)
+*** Please read the README.plan9 for further instructions.
+*** Cannot continue, aborting.
+***
+EOF
+       exit 1
+fi
+
+if test ! -c /dev/null ; then
+       cat >&4 <<EOF
+***
+*** I'm sorry, but /dev/null appears to be a file rather than a device.
+*** Please consult your operating sytem's notes for making a device
+*** in /dev.
+*** Cannot continue, aborting.
+***
+EOF
+       exit 1
+fi
+
 : compute my invocation name
 me=$0
 case "$0" in
@@ -132,12 +163,13 @@ esac
 : Proper separator for the PATH environment variable
 p_=:
 : On OS/2 this directory should exist if this is not floppy only system :-]
-if test -d c:/. ; then
+if test -d c:/. || ( uname -a | grep -i 'os\(/\|\)2' ) 2>&1 >/dev/null ; then
     if test -n "$OS2_SHELL"; then
                p_=\;
                PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
 ?X: That's a bug in ksh5.22
                OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
+               is_os2=yes
        elif test -n "$DJGPP"; then
                case "X${MACHTYPE:-nonesuchmach}" in
                *cygwin) ;;
@@ -162,13 +194,17 @@ fi
 ?X: We only add directories that are not already in the PATH of the
 ?X: user and the directories must exist also.
 ?X:
+?X: 20040627, Merijn, HP-UX's ANSI compiler is in /opt/ansic/bin if present
+?X:  and should be before /usr/ccs/bin, where the braindead bundled compiler
+?X:  can be found. The .usr/ccs/bin compiler cannot be used to build perl.
+?X:
 : Proper PATH setting
 paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
 paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
 paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
 paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
 paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
-paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
+paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /opt/ansic/bin /usr/ccs/bin"
 paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
 paths="$paths /sbin /usr/sbin /usr/libexec"
 paths="$paths /system/gnu_library/bin"
@@ -257,6 +293,11 @@ true)
        esac
        ;;
 esac
+?X: 2004.06.09 rac
+?X: having $newsh persist as ksh here is bad news if ksh doesn't really
+?X: exist. this causes us to toss away a perfectly good working test in
+?X: bash in favour of more exotic external options. see bug 42665.
+test -x "${newsh}" || unset newsh
 
 ?X: Unset CDPATH to avoid surprises when using cd under some shells
 ?X: Can't unset it because that's not portable to very old shells.
@@ -279,10 +320,3 @@ test -d UU || mkdir UU
 ?X: Use ./* to avoid any confirmation prompts from enhanced shells -- WED
 cd UU && rm -f ./*
 
-?X: are we running on the Stratus VOS operating system?
-if test -f "/system/gnu_library/bin/ar.pm"; then
-     _exe=".pm"
-else
-     _exe=""
-fi
-