-?RCS: $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
+?RCS: $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
?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
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: $Log: Head.U,v $
?RCS: Revision 3.0.1.9 1997/02/28 15:02:09 ram
?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
+?V:PATH p_ _exe me newsh
+?T:argv p paths OS2_SHELL DJGPP
?T:inksh needksh avoidksh newsh changesh reason
+?F:!*
?LINT:extern ENV CDPATH SHELL MACHTYPE _exe is_os2
-?LINT:change ENV CDPATH _exe is_os2
+?LINT:change ENV CDPATH is_os2
+?LINT:nocomment
#! /bin/sh
#
# If these # comments don't work, trim them. Don't worry about any other
?X:
?X: WE ASK YOU NOT TO REMOVE OR ALTER THE FOLLOWING PARAGRAPH, PLEASE:
?X:
-# (Note: this Configure script was generated automatically. Rather than
+# Note: this Configure script was generated automatically. Rather than
# working with this copy of Configure, you may wish to get metaconfig.
-# The dist-3.0 package (which contains metaconfig) was posted in
-# comp.sources.misc and is available on CPAN under authors/id/RAM so
-# you may fetch it yourself from your nearest archive site.)
+# The dist package (which contains metaconfig) is available via SVN:
+# svn co https://svn.code.sf.net/p/dist/code/trunk/dist
+#
+?X: OK, I'll not alter, but I'll add to it then ...
+# Though this script was generated by metaconfig from metaunits, it is
+# OK to send patches against Configure itself. It's up to the Configure
+# pumpkin to backport the patch to the metaunits if it is accepted.
+# For more information on patching Configure, see pod/perlhack.pod
+#
+# The metaunits are also available from the public git repository:
+# http://perl5.git.perl.org/metaconfig.git/ or
+# $ git clone git://perl5.git.perl.org/metaconfig.git metaconfig
+#
+# See Porting/pumpkin.pod for more information on metaconfig.
#
?X:
?X: NOTA BENE:
?X: by your version, not mine: It credits your work.
?X:
-# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
-#
# Generated on <DATE> [metaconfig <VERSION> PL<PATCHLEVEL>]
# (with additional metaconfig patches by <MAINTLOC>)
rm -f c1$$ c2$$
if test -f /dev/cputype -a -f /dev/drivers -a -f /dev/osversion; then
- cat >&4 <<EOF
+ cat <<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.)
exit 1
fi
+if test ! -c /dev/null ; then
+ cat <<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
?X:
?X: To be able to run under OS/2, we must detect that early enough to use
?X: the proper path separator, stored in $p_. It is : on UNIX and ; on
-?X: DOSish systems such as OS/2.
+?X: DOS-ish systems such as OS/2.
?X:
: Proper separator for the PATH environment variable
p_=:
-: On OS/2 this directory should exist if this is not floppy only system :-]
+: On OS/2 this directory should exist if this is not floppy only system ":-]"
if test -d c:/. || ( uname -a | grep -i 'os\(/\|\)2' ) 2>&1 >/dev/null ; then
- if test -n "$OS2_SHELL"; then
+ if test -n "$OS2_SHELL"; then
p_=\;
PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
?X: That's a bug in ksh5.22
is_os2=yes
elif test -n "$DJGPP"; then
case "X${MACHTYPE:-nonesuchmach}" in
- *cygwin) ;;
+ *cygwin|*msys) ;;
*) p_=\; ;;
esac
fi
?X: There are two schools of thoughts here. Some people correctly argue that
?X: the user has a better chance than we do of setting a reasonable PATH and
?X: others argue that Configure is the best place there is to set up a suitable
-?X: PATH. Well, here we try to compromize by keeping the user's PATH and
+?X: PATH. Well, here we try to compromise by keeping the user's PATH and
?X: appending some directories which are known to work on some machine or the
?X: other. The rationale behind this being that a novice user might not have a
?X: proper environment variable set, and some directories like /etc (where
?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="$paths /system/gnu_library/bin"
?X: On Digital UNIX, /bin/sh may start up buggy /bin/ksh, use sh
if test -f /osf_boot -a -f /usr/sbin/setld; then
if test X`/usr/bin/uname -s` = XOSF1; then
- avoidksh="to avoid Digital UNIX' ksh"
- newsh=/bin/sh
- unset BIN_SH # if this is 'xpg4' sh will start up ksh
+ avoidksh="to avoid Digital UNIX' ksh"
+ newsh=/bin/sh
+?X: if BIN_SH is set to 'xpg4', sh will start up ksh
+ unset BIN_SH
fi
fi
?X: If we are not in ksh and need it, then feed us back to it
case "$inksh/$needksh" in
/[a-z]*)
-?X: Unset ENV to avoid any ~/.kshrc that could alias cd or whatever...
+?X: Clear ENV to avoid any ~/.kshrc that could alias cd or whatever...
+?X: Don't use "unset ENV", that is not portable enough
ENV=''
changesh=true
reason="$needksh"
;;
esac
?X: Warn them if they use ksh on other systems, which are those where
-?X: we don't need ksh nor want to avoid it explicitely, yet are using it.
+?X: we don't need ksh nor want to avoid it explicitly, yet are using it.
case "$inksh/$needksh-$avoidksh-" in
true/--)
cat <<EOM
esac
;;
esac
+?X: 2004.06.09 rac
+?X: having $newsh persist as ksh here is bad news if ksh doesn't really
+?X: exist. this causes us to toss away a perfectly good working test in
+?X: bash in favor of more exotic external options. see bug 42665.
+test -x "${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.
?X: Don't want to set it to '.' because then ksh prints out the
?X: name of the directory every time you cd to it. --AD 6/98
?X: In order to inflict the least harm, change it only if it's set.
-: if needed set CDPATH to a harmless value that is not chatty
+: if needed, set CDPATH to a harmless value that is not chatty
: avoid bash 2.02 problems with empty CDPATH.
case "$CDPATH" in
'') ;;
*) case "$SHELL" in
- *bash*) CDPATH='.' ;;
- *) CDPATH='' ;;
+ *bash*) CDPATH='.' ;;
+ *) CDPATH='' ;;
esac
;;
esac
+
: Configure runs within the UU subdirectory
test -d UU || mkdir UU
?X: Use ./* to avoid any confirmation prompts from enhanced shells -- WED
https://perl5.git.perl.org / metaconfig.git / blobdiff