Circumcode a strange shell(?) bug in AIX found

while trying to do -Duse64bits (which I couldn't do
in the end because the CPU isn't 64-bit in that box,
but at least now the probing doesn't crash.)

p4raw-id: //depot/cfgperl@3731

1 files changed, 187 insertions, 212 deletions

diff --git a/Configure b/Configure
index 04f7db3393..a7e7d62ea1 100755
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Fri Jul 23 13:08:17 EET DST 1999 [metaconfig 3.0 PL70]
+# Generated on Sun Jul 25 13:04:13 EET DST 1999 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.com)
 
 cat >/tmp/c1$$ <<EOF
@@ -670,6 +670,9 @@ i_stdarg=''
 i_varargs=''
 i_varhdr=''
 i_vfork=''
+installprefix=''
+installprefixexp=''
+installstyle=''
 installusrbinperl=''
 intsize=''
 longsize=''
@@ -787,6 +790,8 @@ sitearchexp=''
 installsitelib=''
 sitelib=''
 sitelibexp=''
+siteprefix=''
+siteprefixexp=''
 sizetype=''
 so=''
 sharpbang=''
@@ -2625,7 +2630,7 @@ esac
 case "$use64bits" in
 "$define"|true|[yY]*)
 : Look for a hint-file generated 'call-back-unit'.  If the
-: user has specified that a threading perl is to be built,
+: user has specified that a 64 bit perl is to be built,
 : we may need to set or change some other defaults.
 	if $test -f use64bits.cbu; then
 		. ./use64bits.cbu
@@ -2719,24 +2724,6 @@ $define)
 	esac
 esac
 
-: is AFS running?
-echo " "
-case "$afs" in
-$define|true)	afs=true ;;
-$undef|false)	afs=false ;;
-*)	if test -d /afs; then
-		afs=true
-	else
-		afs=false
-	fi
-	;;
-esac
-if $afs; then
-	echo "AFS may be running... I'll be extra cautious then..." >&4
-else
-	echo "AFS does not seem to be running..." >&4
-fi
-
 : decide how portable to be.  Allow command line overrides.
 case "$d_portable" in
 "$undef") ;;
@@ -3001,14 +2988,13 @@ case "$prefix" in
 esac
 $cat <<EOM
 
-By default, $package will be installed in $dflt/bin, manual
-pages under $dflt/man, etc..., i.e. with $dflt as prefix for
-all installation directories. Typically set to /usr/local, but you
-may choose /usr if you wish to install $package among your system
-binaries. If you wish to have binaries under /bin but manual pages
-under /usr/local/man, that's ok: you will be prompted separately
-for each of the installation directories, the prefix being only used
-to set the defaults.
+By default, $package will be installed in $dflt/bin, manual pages
+under $dflt/man, etc..., i.e. with $dflt as prefix for all
+installation directories. Typically this is something like /usr/local.
+If you wish to have binaries under /usr/bin but other parts of the
+installation under /usr/local, that's ok: you will be prompted
+separately for each of the installation directories, the prefix being
+only used to set the defaults.
 
 EOM
 fn=d~
@@ -3027,6 +3013,57 @@ esac
 prefix="$ans"
 prefixexp="$ansexp"
 
+: is AFS running?
+echo " "
+case "$afs" in
+$define|true)	afs=true ;;
+$undef|false)	afs=false ;;
+*)	if test -d /afs; then
+		afs=true
+	else
+		afs=false
+	fi
+	;;
+esac
+if $afs; then
+	echo "AFS may be running... I'll be extra cautious then..." >&4
+else
+	echo "AFS does not seem to be running..." >&4
+fi
+
+: determine installation prefix for where package is to be installed.
+if $afs; then 
+$cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+files will reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+	case "$installprefix" in
+	'') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
+	*) dflt="$installprefix";;
+	esac
+else
+$cat <<EOM
+
+In some special cases, particularly when building $package for distribution,
+it is convenient to distinguish between the directory in which files should 
+be installed from the directory ($prefix) in which they 
+will eventually reside.  For most users, these two directories are the same.
+
+EOM
+	case "$installprefix" in
+	'') dflt=$prefix ;;
+	*) dflt=$installprefix;;
+	esac
+fi
+fn=d~
+rp='What installation prefix should I use for installing files?'
+. ./getfile
+installprefix="$ans"
+installprefixexp="$ansexp"
+
 : set the prefixit variable, to compute a suitable default value
 prefixit='case "$3" in
 ""|none)
@@ -3094,13 +3131,30 @@ else
 	apiversion="$version"
 fi
 
+: determine installation style
+: For now, try to deduce it from prefix unless it is already set.
+: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
+case "$installstyle" in
+'')	case "$prefix" in
+		*perl*) dflt='lib';;
+		*) dflt='lib/perl5' ;;
+	esac
+	;;
+*)	dflt='lib/perl5' ;;
+esac
+: Probably not worth prompting for this since we prompt for all
+: the directories individually, and the prompt would be too long and
+: confusing anyway.
+installstyle=$dflt
+
 : determine where private library files go
 : Usual default is /usr/local/lib/perl5/$version.
 : Also allow things like /opt/perl/lib/$version, since 
 : /opt/perl/lib/perl5... would be redundant.
-case "$prefix" in
-*perl*) set dflt privlib lib/$version ;;
-*)	 set dflt privlib lib/$package/$version ;;
+: The default "style" setting is made in installstyle.U
+case "$installstyle" in
+*lib/perl5*) set dflt privlib lib/$package/$version ;;
+*)	 set dflt privlib lib/$version ;;
 esac
 eval $prefixit
 $cat <<EOM
@@ -3112,29 +3166,11 @@ EOM
 fn=d~+
 rp='Pathname where the private library files will reside?'
 . ./getfile
-if $test "X$privlibexp" != "X$ansexp"; then
-	installprivlib=''
-fi
 privlib="$ans"
 privlibexp="$ansexp"
-if $afs; then
-	$cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
-	case "$installprivlib" in
-	'') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installprivlib";;
-	esac
-	fn=de~
-	rp='Where will private files be installed?'
-	. ./getfile
-	installprivlib="$ans"
-else
-	installprivlib="$privlibexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installprivlib=`echo $privlibexp | sed 's#^$prefix#$installprefix#'`
 fi
 
 : set the prefixup variable, to restore leading tilda escape
@@ -3157,7 +3193,7 @@ case "$archlib" in
 *)	dflt="$archlib"
     ;;
 esac
-cat <<EOM
+$cat <<EOM
 
 $spackage contains architecture-dependent library files.  If you are
 sharing libraries in a heterogeneous environment, you might store
@@ -3170,32 +3206,15 @@ rp='Where do you want to put the public architecture-dependent libraries?'
 . ./getfile
 archlib="$ans"
 archlibexp="$ansexp"
-
-if $afs; then
-	$cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which architecture-dependent library files reside from the directory
-in which they are installed (and from which they are presumably copied
-to the former directory by occult means).
-
-EOM
-	case "$installarchlib" in
-	'') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installarchlib";;
-	esac
-	fn=de~
-	rp='Where will architecture-dependent library files be installed?'
-	. ./getfile
-	installarchlib="$ans"
-else
-	installarchlib="$archlibexp"
-fi
 if $test X"$archlib" = X"$privlib"; then
 	d_archlib="$undef"
 else
 	d_archlib="$define"
 fi
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installarchlib=`echo $archlibexp | sed 's#^$prefix#$installprefix#'`
+fi
 
 : make some quick guesses about what we are up against
 echo " "
@@ -4584,30 +4603,16 @@ if $test "X$ansexp" != "X$binexp"; then
 fi
 bin="$ans"
 binexp="$ansexp"
-if $afs; then
-	$cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-executables reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
-	case "$installbin" in
-	'') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installbin";;
-	esac
-	fn=de~
-	rp='Where will public executables be installed?'
-	. ./getfile
-	installbin="$ans"
-else
-	installbin="$binexp"
+: Change installation prefix, if necessary.
+: XXX Bug? -- ignores Configure -Dinstallprefix setting.
+if $test X"$prefix" != X"$installprefix"; then
+	installbin=`echo binexp | sed 's#^$prefix#$installprefix#'`
 fi
 
 : determine whether to install perl also as /usr/bin/perl
 
 echo " "
-if test -d /usr/bin -a "X$installbin" != X/usr/bin; then
+if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then
 	$cat <<EOM
 Many scripts expect to perl to be installed as /usr/bin/perl.
 I can install the perl you are about to compile also as /usr/bin/perl
@@ -5576,27 +5581,13 @@ fi
 man1dir="$ans"
 man1direxp="$ansexp"
 case "$man1dir" in
-'') man1dir=' '
+'')	man1dir=' '
 	installman1dir='';;
 esac
-if $afs; then
-	$cat <<EOM
 
-Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
-	case "$installman1dir" in
-	'') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installman1dir";;
-	esac
-	fn=de~
-	rp='Where will man pages be installed?'
-	. ./getfile
-	installman1dir="$ans"
-else
-	installman1dir="$man1direxp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installman1dir=`echo $man1direxp | $sed 's#^$prefix#$installprefix#'`
 fi
 
 : What suffix to use on installed man pages
@@ -5703,52 +5694,44 @@ esac
 echo "If you don't want the manual sources installed, answer 'none'."
 prog=`echo $package | $sed 's/-*[0-9.]*$//'`
 case "$man3dir" in
-'')	case "$prefix" in 
-	*$prog*) dflt=`echo $man1dir | 
-			$sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;;
-	*)	dflt="$privlib/man/man3" ;;
-	esac
+'')	dflt=`echo $man1dir | $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'`
+	if $test -d "$privlib/man/man3"; then
+		cat <<EOM >&4
+
+WARNING:  Previous versions of perl installed man3 pages into
+$privlib/man/man3.  This version will suggest a 
+new default of $dflt.  
+EOM
+		tdflt=$dflt
+		dflt='n'
+		rp='Do you wish to preserve the old behavior?(y/n)'
+		. ./myread
+		case "$ans" in
+		y*) dflt="$privlib/man/man3" ;;
+		*)  dflt=$tdflt ;;
+		esac
+    fi
 	;;
 ' ') dflt=none;;
 *)	dflt="$man3dir" ;;
 esac
 echo " "
-
 fn=dn+~
 rp="Where do the $package library man pages (source) go?"
 . ./getfile
-if test "X$man3direxp" != "X$ansexp"; then
-	installman3dir=''
-fi
-
 man3dir="$ans"
 man3direxp="$ansexp"
-case "$man3dir" in
-'') man3dir=' '
+case "$man1dir" in
+'')	man3dir=' '
 	installman3dir='';;
 esac
-if $afs; then
-	$cat <<EOM
 
-Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
-	case "$installman3dir" in
-	'') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installman3dir";;
-	esac
-	fn=de~
-	rp='Where will man pages be installed?'
-	. ./getfile
-	installman3dir="$ans"
-else
-	installman3dir="$man3direxp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installman3dir=`echo $man3direxp | $sed 's#^$prefix#$installprefix#'`
 fi
 
 : What suffix to use on installed man pages
-
 case "$man3dir" in
 ' ')
 	man3ext='0'
@@ -6147,9 +6130,10 @@ case "$scriptdir" in
 	dflt="$bin"
 	: guess some guesses
 	$test -d /usr/share/scripts && dflt=/usr/share/scripts
-	$test -d /usr/share/bin && dflt=/usr/share/bin
-	$test -d /usr/local/script && dflt=/usr/local/script
-	$test -d $prefixexp/script && dflt=$prefixexp/script
+	$test -d /usr/share/bin     && dflt=/usr/share/bin
+	$test -d /usr/local/script  && dflt=/usr/local/script
+	$test -d /usr/local/scripts && dflt=/usr/local/scripts
+	$test -d $prefixexp/script  && dflt=$prefixexp/script
 	set dflt
 	eval $prefixup
 	;;
@@ -6172,38 +6156,62 @@ if $test "X$ansexp" != "X$scriptdirexp"; then
 fi
 scriptdir="$ans"
 scriptdirexp="$ansexp"
-if $afs; then
-	$cat <<EOM
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installscript=`echo $scriptdirexp | sed 's#^$prefix#$installprefix#'`
+else
+	installscript="$scriptdirexp"
+fi
 
-Since you are running AFS, I need to distinguish the directory in which
-scripts reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
+$cat <<EOM
+
+After $package is installed, you may wish to install various
+add-on modules and utilities.  Typically, these add-ons will
+be installed under $prefix with the rest
+of this package.  However, you may wish to install such add-ons
+elsewhere under a different prefix.
+
+If you do not wish to put everything under a single prefix, that's
+ok.  You will be prompted for the individual locations; this siteprefix
+is only used to suggest the defaults.
+
+The default should be fine for most people.
 
 EOM
-	case "$installscript" in
-	'') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installscript";;
+fn=d~+
+rp='Installation prefix to use for add-on modules and utilities?'
+: XXX Here might be another good place for an installstyle setting.
+case "$siteprefix" in
+'') dflt=$prefix ;;
+*)  dflt=$siteprefix ;;
+esac
+. ./getfile
+oldsiteprefix=''
+case "$siteprefix" in
+'') ;;
+*)
+	case "$ans" in
+	"$prefix") ;;
+	*) oldsiteprefix="$prefix";;
 	esac
-	fn=de~
-	rp='Where will public scripts be installed?'
-	. ./getfile
-	installscript="$ans"
-else
-	installscript="$scriptdirexp"
-fi
+	;;
+esac
+siteprefix="$ans"
+siteprefixexp="$ansexp"
 
 : determine where site specific libraries go.
-: Usual default is /usr/local/lib/perl5/site_perl/$apiversion
+: Usual default is /usr/local/lib/perl5/site_perl
+: The default "style" setting is made in installstyle.U
+: XXX No longer works with Prefixit stuff.
 prog=`echo $package | $sed 's/-*[0-9.]*$//'`
-case "$prefix" in
-*perl*) set dflt sitelib lib/site_$prog/$apiversion ;;
-*)	 set dflt sitelib lib/$package/site_$prog/$apiversion ;;
+case "$installstyle" in
+*lib/perl5*) dflt=$siteprefix/lib/site_$prog/ ;;
+*)	 dflt=$siteprefix/lib/site_$prog ;;
 esac
-eval $prefixit
 $cat <<EOM
 
-The installation process will also create a directory for
-site-specific extensions and modules.  Some users find it convenient
+The installation process will create a directory for
+site-specific extensions and modules.  Most users find it convenient
 to place all site-specific files in this directory rather than in the
 main distribution directory.
 
@@ -6211,38 +6219,19 @@ EOM
 fn=d~+
 rp='Pathname for the site-specific library files?'
 . ./getfile
-if $test "X$sitelibexp" != "X$ansexp"; then
-	installsitelib=''
-fi
 sitelib="$ans"
 sitelibexp="$ansexp"
-if $afs; then
-	$cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which site-specific files reside from the directory in which they are
-installed (and from which they are presumably copied to the former
-directory by occult means).
-
-EOM
-	case "$installsitelib" in
-	'') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installsitelib";;
-	esac
-	fn=de~
-	rp='Where will site-specific files be installed?'
-	. ./getfile
-	installsitelib="$ans"
-else
-	installsitelib="$sitelibexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installsitelib=`echo $sitelibexp | sed 's#^$prefix#$installprefix#'`
 fi
 
 : determine where site specific architecture-dependent libraries go.
-: sitelib  default is /usr/local/lib/perl5/site_perl/$apiversion
+: sitelib  default is /usr/local/lib/perl5/site_perl/
 : sitearch default is /usr/local/lib/perl5/site_perl/$apiversion/$archname
 : sitelib may have an optional trailing /share.
 tdflt=`echo $sitelib | $sed 's,/share$,,'`
-tdflt="$tdflt/$archname"
+tdflt="$tdflt/$apiversion/$archname"
 set sitearch sitearch none
 eval $prefixit
 case "$sitearch" in
@@ -6258,30 +6247,11 @@ EOM
 fn=nd~+
 rp='Pathname for the site-specific architecture-dependent library files?'
 . ./getfile
-if $test "X$sitearchexp" != "X$ansexp"; then
-	installsitearch=''
-fi
 sitearch="$ans"
 sitearchexp="$ansexp"
-if $afs; then
-	$cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which site-specific architecture-dependent library files reside from
-the directory in which they are installed (and from which they are
-presumably copied to the former directory by occult means).
-
-EOM
-	case "$installsitearch" in
-	'') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
-	*) dflt="$installsitearch";;
-	esac
-	fn=de~
-	rp='Where will site-specific architecture-dependent files be installed?'
-	. ./getfile
-	installsitearch="$ans"
-else
-	installsitearch="$sitearchexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+	installsitearch=`echo $sitearchexp | sed 's#^$prefix#$installprefix#'`
 fi
 
 cat <<EOM
@@ -13420,10 +13390,13 @@ installarchlib='$installarchlib'
 installbin='$installbin'
 installman1dir='$installman1dir'
 installman3dir='$installman3dir'
+installprefix='$installprefix'
+installprefixexp='$installprefixexp'
 installprivlib='$installprivlib'
 installscript='$installscript'
 installsitearch='$installsitearch'
 installsitelib='$installsitelib'
+installstyle='$installstyle'
 installusrbinperl='$installusrbinperl'
 intsize='$intsize'
 known_extensions='$known_extensions'
@@ -13552,6 +13525,8 @@ sitearch='$sitearch'
 sitearchexp='$sitearchexp'
 sitelib='$sitelib'
 sitelibexp='$sitelibexp'
+siteprefix='$siteprefix'
+siteprefixexp='$siteprefixexp'
 sizetype='$sizetype'
 sleep='$sleep'
 smail='$smail'