X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Configure;h=13ab5caf93828a94222c06d96b2ea39fc11e6b86;hb=3f6d40bd7fe955329c1f574485922604c74d8097;hp=070427375ac40ef01fa57db29bd92887edf93dc9;hpb=5ac1e9b286b068746476878a8a6206b06828a175;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/Configure b/Configure
index 0704273..13ab5ca 100755
--- a/Configure
+++ b/Configure
@@ -25,7 +25,7 @@
 
 # $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
 #
-# Generated on Wed Jan  9 22:02:14 CET 2008 [metaconfig 3.0 PL70]
+# Generated on Fri Feb 15 17:37:37 CET 2008 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -221,7 +221,6 @@ d_bsd=''
 d_eunice=''
 d_xenix=''
 eunicefix=''
-Mcc=''
 ar=''
 awk=''
 bash=''
@@ -238,7 +237,6 @@ cpio=''
 cpp=''
 csh=''
 date=''
-dtrace=''
 echo=''
 egrep=''
 emacs=''
@@ -1059,6 +1057,7 @@ i8size=''
 i8type=''
 ivsize=''
 ivtype=''
+nv_overflows_integers_at=''
 nv_preserves_uv_bits=''
 nvsize=''
 nvtype=''
@@ -1175,6 +1174,8 @@ uidtype=''
 archname64=''
 use64bitall=''
 use64bitint=''
+dtrace=''
+usedtrace=''
 usefaststdio=''
 ccflags_uselargefiles=''
 ldflags_uselargefiles=''
@@ -1194,7 +1195,6 @@ use5005threads=''
 useithreads=''
 usereentrant=''
 usethreads=''
-usedtrace=''
 incpath=''
 mips_type=''
 usrinc=''
@@ -1237,6 +1237,7 @@ yacc=''
 yaccflags=''
 CONFIG=''
 
+: Detect odd OSs
 define='define'
 undef='undef'
 smallmach='pdp11 i8086 z8000 i80286 iAPX286'
@@ -1295,9 +1296,6 @@ plibpth=''
 libswanted=''
 : some systems want to use only the non-versioned libso:s
 ignore_versioned_solibs=''
-siteman1dir=''
-siteman3dir=''
-sitescript=''
 : set usethreads on the Configure command line to enable threads.
 usereentrant='undef'
 : full support for void wanted by default
@@ -1732,7 +1730,7 @@ touch optdef.sh
 touch posthint.sh
 
 : set package name
-package=perl5
+package='perl5'
 first=`echo $package | sed -e 's/^\(.\).*/\1/'`
 last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
 case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
@@ -1778,11 +1776,11 @@ case "$src" in
 '')	src=/
 	rsrc=/
 	;;
-/*) rsrc="$src";;
-*) rsrc="../$src";;
+/*)	rsrc="$src";;
+*)	rsrc="../$src";;
 esac
 if test -f $rsrc/Configure && \
-	$contains "^package=$package$" $rsrc/Configure >/dev/null 2>&1
+	$contains "^package='$package'\$" $rsrc/Configure >/dev/null 2>&1
 then
    : found it, so we are ok.
 else
@@ -1936,11 +1934,13 @@ rm -f .echotmp
 echo " "
 if test -f "$rsrc/MANIFEST"; then
 	echo "First let's make sure your kit is complete.  Checking..." >&4
-	awk '$1 !~ /PACK[A-Z]+/ {print $1}' "$rsrc/MANIFEST" | (split -l 50 2>/dev/null || split -50)
+	awk '$1 !~ /PACK[A-Z]+/ {print $1}' "$rsrc/MANIFEST" |\
+		(split -l 50 2>/dev/null || split -50)
 	rm -f missing
 	tmppwd=`pwd`
 	for filelist in x??; do
-		(cd "$rsrc"; ls `cat "$tmppwd/$filelist"` >/dev/null 2>>"$tmppwd/missing")
+		(cd "$rsrc"; ls `cat "$tmppwd/$filelist"` \
+			>/dev/null 2>>"$tmppwd/missing")
 	done
 	if test -s missing; then
 		cat missing >&4
@@ -2280,14 +2280,13 @@ for dir in \$*; do
 		exit 0
 	elif test "X$_exe" != X -a -f \$thisthing$_exe; then
 		echo \$thisthing
-        	exit 0
+		exit 0
 	elif test -f \$dir/\$thing.exe; then
 		if test -n "$DJGPP"; then
 			echo \$dir/\$thing.exe
 		elif test "$eunicefix" != ":"; then
 			: on Eunice apparently
 			echo \$dir/\$thing
-			exit 0
 		fi
 		exit 0
 	fi
@@ -2318,7 +2317,6 @@ tr
 uniq
 "
 trylist="
-Mcc
 ar
 bison
 byacc
@@ -2670,7 +2668,7 @@ case "$lns" in
 esac
 echo " "
 
-
+: Make symlinks util
 case "$mksymlinks" in
 $define|true|[yY]*)
 	case "$src" in
@@ -3591,10 +3589,10 @@ cat >filexp <<EOSS
 $startsh
 : expand filename
 case "\$1" in
- ~/*|~)
+ \~/*|\~)
 	echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
 	;;
- ~*)
+ \~*)
 	if $test -f /bin/csh; then
 		/bin/csh -f -c "glob \$1"
 		failed=\$?
@@ -3901,6 +3899,7 @@ esac
 prefix="$ans"
 prefixexp="$ansexp"
 
+: allow them to override the AFS root
 case "$afsroot" in
 '')	afsroot=/afs ;;
 *)	afsroot=$afsroot ;;
@@ -3911,7 +3910,7 @@ echo " "
 case "$afs" in
 $define|true)	afs=true ;;
 $undef|false)	afs=false ;;
-*)	if test -d $afsroot; then
+*)	if $test -d $afsroot; then
 		afs=true
 	else
 		afs=false
@@ -4021,6 +4020,7 @@ $undef$define) . ./whoa; eval "$var=\$tu";;
 *) eval "$var=$val";;
 esac'
 
+: Check is we will use socks
 case "$usesocks" in
 $define|true|[yY]*)	dflt='y';;
 *) dflt='n';;
@@ -4046,6 +4046,7 @@ case "$usesocks" in
 $define|true|[yY]*) useperlio="$define";;
 esac
 
+: Check if we want perlio
 case "$useperlio" in
 $define|true|[yY]*|'')	dflt='y';;
 *) dflt='n';;
@@ -4064,16 +4065,16 @@ EOM
 rp='Use the PerlIO abstraction layer?'
 . ./myread
 case "$ans" in
-y|Y) 
+y|Y)
 	val="$define"
 	;;
-*)      
+*)
 	echo "Ok, doing things the stdio way."
 	val="$undef"
 	;;
 esac
 set useperlio
-eval $setvar 
+eval $setvar
 
 case "$usesocks" in
 $define|true|[yY]*)
@@ -4090,7 +4091,6 @@ EOM
 	;;
 esac
 
-	
 : get the patchlevel
 echo " "
 echo "Getting the current patchlevel..." >&4
@@ -4297,6 +4297,7 @@ EOM
     esac
 fi
 
+: Check if multiplicity is required
 cat <<EOM
 
 Perl can be built so that multiple Perl interpreters can coexist
@@ -4327,7 +4328,7 @@ esac
 set usemultiplicity
 eval $setvar
 
-
+: Check if morebits is requested
 case "$usemorebits" in
 "$define"|true|[yY]*)
 	use64bitint="$define"
@@ -4338,6 +4339,23 @@ case "$usemorebits" in
 	;;
 esac
 
+: Determine the C compiler to be used
+echo " "
+case "$cc" in
+'') dflt=cc;;
+*) dflt="$cc";;
+esac
+rp="Use which C compiler?"
+. ./myread
+cc="$ans"
+
+: See whether they have no cc but they do have gcc
+. ./trygcc
+if $test -f cc.cbu; then
+    . ./cc.cbu
+fi
+. ./checkcc
+
 : make some quick guesses about what we are up against
 echo " "
 $echo $n "Hmm...  $c"
@@ -4433,24 +4451,6 @@ chmod +x bsd usg v7 osf1 eunice xenix venix os2
 $eunicefix bsd usg v7 osf1 eunice xenix venix os2
 $rm -f foo
 
-case "$cc" in
-'') dflt=cc;;
-*) dflt="$cc";;
-esac
-rp="Use which C compiler?"
-. ./myread
-cc="$ans"
-
-: See if they have not cc but they do have gcc
-. ./trygcc
-: Look for a hint-file generated 'call-back-unit'.  Now that the
-: user has specified the compiler, we may need to set or change some
-: other defaults.
-if $test -f cc.cbu; then
-    . ./cc.cbu
-fi
-. ./checkcc
-
 : Check if we are using GNU gcc and what its version is
 echo " "
 echo "Checking for GNU cc in disguise and/or its version number..." >&4
@@ -4846,6 +4846,7 @@ case "$firstmakefile" in
 '') firstmakefile='makefile';;
 esac
 
+: Check for uselongdouble support
 case "$ccflags" in
 *-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
 esac
@@ -5702,7 +5703,7 @@ case "$quadtype" in
 	;;
 esac
 
-
+: Do we want 64bit support
 case "$uselonglong" in
 "$define"|true|[yY]*)
 	cat <<EOM >&4
@@ -7057,6 +7058,88 @@ EOM
 	;;
 esac
 
+: DTrace support
+dflt_dtrace='/usr/sbin/dtrace'
+cat <<EOM
+
+Perl can be built to support DTrace on platforms that support it.
+DTrace is a diagnosis and performance analysis tool from Sun.
+
+If this doesn't make any sense to you, just accept the default '$dflt'.
+EOM
+
+while $test 1 ; do
+	case "$usedtrace" in
+	$define|true|[yY]*)
+		dflt='y'
+		;;
+	?*)
+		dflt='y'
+		dflt_dtrace=$usedtrace
+		;;
+	*)
+		dflt='n'
+		;;
+	esac
+
+	rp='Support DTrace if available?'
+	. ./myread
+	case "$ans" in
+	y|Y)	val="$define" ;;
+	*)      val="$undef" ;;
+	esac
+	set usedtrace
+	eval $setvar
+
+	test "X$usedtrace" != "X$define" && break
+
+	echo " "
+	rp='Where is the dtrace executable?'
+	dflt=$dflt_dtrace
+	. ./getfile
+	val="$ans"
+	set dtrace
+	eval $setvar
+
+	if $test -f $dtrace
+	then
+		if $dtrace -h -s ../perldtrace.d \
+			-o perldtrace.tmp >/dev/null 2>&1 \
+			&& rm -f perldtrace.tmp
+		then
+			echo " "
+			echo "Good: your $dtrace knows about the -h flag."
+		else
+			cat >&2 <<EOM
+
+*** $me:  Fatal Error:  $dtrace doesn't support -h flag
+***
+*** Your installed dtrace doesn't support the -h switch to compile a D
+*** program into a C header. Can't continue.
+
+EOM
+			exit 1
+		fi
+		break;
+	fi
+
+	case "$fastread" in
+	yes)
+		cat >&2 <<EOM
+
+*** $me:  Fatal Error:  $dtrace not found.
+*** Can't continue.
+
+EOM
+		exit 1
+		;;
+	*)
+		echo "*** $dtrace was not found."
+		echo " "
+		;;
+	esac
+done
+
 : See if we want extra modules installed
 echo " "
 case "$extras" in
@@ -7333,9 +7416,9 @@ case "$nm_so_opt" in
 	;;
 esac
 
+: get list of predefined functions in a handy place
 case "$runnm" in
 true)
-: get list of predefined functions in a handy place
 echo " "
 case "$libc" in
 '') libc=unknown
@@ -7962,6 +8045,7 @@ EOM
     ;;
 esac
 
+: Do we want a shared libperl?
 also=''
 case "$usedl" in
 $undef)
@@ -8114,7 +8198,7 @@ shrpdir=$archlibexp/CORE
 xxx=''
 tmp_shrpenv=''
 if "$useshrplib"; then
-    case "$osname" in 
+    case "$osname" in
 	aix)
 		# We'll set it in Makefile.SH...
 		;;
@@ -8143,7 +8227,7 @@ if "$useshrplib"; then
 	esac
 	case "$xxx" in
 	'') ;;
-	*)	
+	*)
 		# Only add $xxx if it isn't already in ccdlflags.
 		case " $ccdlflags " in
 		*" $xxx "*)	;;
@@ -8151,7 +8235,7 @@ if "$useshrplib"; then
 			cat <<EOM >&4
 
 Adding $xxx to the flags
-passed to $ld so that the perl executable will find the 
+passed to $ld so that the perl executable will find the
 installed shared $libperl.
 
 EOM
@@ -8291,7 +8375,7 @@ You can't have filenames longer than 14 chars.
 You can't even think about them!
 EOM
 	val="$undef"
-fi 
+fi
 set d_flexfnam
 eval $setvar
 $rm -rf 123456789abcde*
@@ -8649,6 +8733,7 @@ case "$phostname" in
 	;;
 esac
 
+: determine the e-mail address of the user who is running us
 $cat <<EOM
 
 I need to get your e-mail address in Internet format if possible, i.e.
@@ -8684,6 +8769,7 @@ while test "$cont"; do
 	esac
 done
 
+: Ask e-mail of administrator
 $cat <<EOM
 
 If you or somebody else will be maintaining perl at your site, please
@@ -8922,6 +9008,7 @@ rp='Pathname where add-on public executable scripts should be installed?'
 prefixvar=sitescript
 . ./setprefixvar
 
+: Check if faststdio is requested and available
 case "$usefaststdio" in
 $define|true|[yY]*|'')
 	xversion=`awk '/define[ 	]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
@@ -8945,77 +9032,12 @@ EOM
 rp='Use the "fast stdio" if available?'
 . ./myread
 case "$ans" in
-y|Y)	val="$define" ;;     
+y|Y)	val="$define" ;;
 *)      val="$undef" ;;
 esac
 set usefaststdio
 eval $setvar
 
-: DTrace support
-dflt_dtrace='/usr/sbin/dtrace'
-cat <<EOM
-
-Perl can be built to support DTrace on platforms that support it.
-DTrace is a diagnosis and performance analysis tool from Sun.
-
-If this doesn't make any sense to you, just accept the default '$dflt'.
-EOM
-
-while test 1 ; do
-	case "$usedtrace" in
-	$define|true|[yY]*) 
-		dflt='y' 
-		;;
-	?*)
-		dflt='y' 
-		dflt_dtrace=$usedtrace
-		;;
-	*) 
-		dflt='n' 
-		;;
-	esac
-
-	rp='Support DTrace if available?'
-	. ./myread
-	case "$ans" in
-	y|Y)	val="$define" ;;
-	*)      val="$undef" ;;
-	esac
-	set usedtrace
-	eval $setvar
-
-	test "X$usedtrace" != "X$define" && break
-
-	echo " "
-	rp='Where is the dtrace executable?'
-	dflt=$dflt_dtrace
-	. ./getfile
-	val="$ans"
-	set dtrace
-	eval $setvar
-	
-	if test -f $dtrace
-	then
-		if ! $dtrace -h -s ../perldtrace.d \
-			-o perldtrace.tmp >/dev/null 2>&1 \
-			&& rm -f perldtrace.tmp
-		then
-			cat >&2 <<EOM
-
-*** $me:  Fatal Error:  $dtrace doesn't support -h flag
-***
-*** Your installed dtrace doesn't support the -h switch to compile a D
-*** program into a C header. Can't continue.
-
-EOM
-			exit 1
-		fi
-		break;
-	fi
-
-	echo "$dtrace was not found."
-	echo " "
-done
 
 : define an is-a-typedef? function
 typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
@@ -9898,6 +9920,7 @@ EOSH
 chmod +x protochk
 $eunicefix protochk
 
+: Define hasproto macro for Configure internal use
 hasproto='varname=$1; func=$2; shift; shift;
 while $test $# -ge 2; do
 	case "$1" in
@@ -9925,6 +9948,7 @@ eval $inhdr
 set sys/select.h i_sysselct
 eval $inhdr
 
+: Define hasfield macro for Configure internal use
 hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
 while $test $# -ge 2; do
 	case "$1" in
@@ -11023,6 +11047,7 @@ eval $inlibc
 set clearenv d_clearenv
 eval $inlibc
 
+: Define hasstruct macro for Configure internal use
 hasstruct='varname=$1; struct=$2; shift; shift;
 while $test $# -ge 2; do
 	case "$1" in
@@ -11041,9 +11066,9 @@ set $varname;
 eval $setvar;
 $rm_try'
 
+: see whether socket exists
 socketlib=''
 sockethdr=''
-: see whether socket exists
 echo " "
 $echo $n "Hmm... $c" >&4
 if set socket val -f d_socket; eval $csym; $val; then
@@ -11128,7 +11153,7 @@ done
 set sys/uio.h i_sysuio
 eval $inhdr
 
-
+: Check for cmsghdr support
 echo " "
 echo "Checking to see if your system supports struct cmsghdr..." >&4
 set d_cmsghdr_s cmsghdr $i_systypes sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
@@ -11616,6 +11641,7 @@ runnm="$xxx_runnm"
 set dlfcn.h i_dlfcn
 eval $inhdr
 
+: Check what extension to use for shared libs
 case "$usedl" in
 $define|y|true)
 	$cat << EOM
@@ -13036,7 +13062,6 @@ eval $inlibc
 set fpclassl d_fpclassl
 eval $inlibc
 
-
 : check for fpos64_t
 echo " "
 echo "Checking to see if you have fpos64_t..." >&4
@@ -13071,7 +13096,7 @@ eval $inhdr
 set sys/mount.h i_sysmount
 eval $inhdr
 
-
+: Check for fs_data_s
 echo " "
 echo "Checking to see if your system supports struct fs_data..." >&4
 set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h
@@ -13092,12 +13117,10 @@ esac
 set fsetpos d_fsetpos
 eval $inlibc
 
-
 : see if fstatfs exists
 set fstatfs d_fstatfs
 eval $inlibc
 
-
 : see if statvfs exists
 set statvfs d_statvfs
 eval $inlibc
@@ -13161,7 +13184,6 @@ eval $inlibc
 set getespwnam d_getespwnam
 eval $inlibc
 
-
 : see if getfsstat exists
 set getfsstat d_getfsstat
 eval $inlibc
@@ -13907,6 +13929,7 @@ eval $hasproto
 set getpagesize d_getpagsz
 eval $inlibc
 
+: Optional checks for getprotobyname and getprotobynumber
 
 : see if getprotobyname exists
 set getprotobyname d_getpbyname
@@ -14267,6 +14290,7 @@ case "$d_getpwuid_r" in
 	;;
 esac
 
+: Optional checks for getsbyname and getsbyport
 
 : see if getservbyname exists
 set getservbyname d_getsbyname
@@ -15169,7 +15193,7 @@ fi
 set d_msg
 eval $setvar
 
-
+: Check for msghdr_s
 echo " "
 echo "Checking to see if your system supports struct msghdr..." >&4
 set d_msghdr_s msghdr $i_systypes sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
@@ -15445,6 +15469,89 @@ case "$nv_preserves_uv_bits" in
 esac
 $rm_try
 
+$echo "Checking to find the largest integer value your NVs can hold..." >&4
+: volatile so that the compiler has to store it out to memory.
+if test X"$d_volatile" = X"$define"; then
+	volatile=volatile
+fi
+$cat <<EOP >try.c
+#include <stdio.h>
+
+typedef $nvtype NV;
+
+int
+main() {
+  NV value = 2;
+  int count = 1;
+
+  while(count < 256) {
+    $volatile NV up = value + 1.0;
+    $volatile NV negated = -value;
+    $volatile NV down = negated - 1.0;
+    $volatile NV got_up = up - value;
+    int up_good = got_up == 1.0;
+    int got_down = down - negated;
+    int down_good = got_down == -1.0;
+
+    if (down_good != up_good) {
+      fprintf(stderr,
+	      "Inconsistency - up %d %f; down %d %f; for 2**%d (%.20f)\n",
+	      up_good, (double) got_up, down_good, (double) got_down,
+	      count, (double) value);
+      return 1;
+    }
+    if (!up_good) {
+      while (1) {
+	if (count > 8) {
+	  count -= 8;
+	  fputs("256.0", stdout);
+	} else {
+	  count--;
+	  fputs("2.0", stdout);
+	}
+	if (!count) {
+	  puts("");
+	  return 0;
+	}
+	fputs("*", stdout);
+      }
+    }
+    value *= 2;
+    ++count;
+  }
+  fprintf(stderr, "Cannot overflow integer range, even at 2**%d (%.20f)\n",
+	  count, (double) value);
+  return 1;
+}
+EOP
+set try
+
+nv_overflows_integers_at='0'
+if eval $compile; then
+    xxx="`$run ./try`"
+    case "$?" in
+	0)
+	    case "$xxx" in
+		2*)  cat >&4 <<EOM
+The largest integer your NVs can preserve is equal to $xxx
+EOM
+		    nv_overflows_integers_at="$xxx"
+		    ;;
+		*)  cat >&4 <<EOM
+Cannot determine the largest integer value your NVs can hold, unexpected output
+'$xxx'
+EOM
+		    ;;
+	    esac
+	    ;;
+	*)  cat >&4 <<EOM
+Cannot determine the largest integer value your NVs can hold
+EOM
+	    ;;
+    esac
+fi
+$rm_try
+
 $echo "Checking whether NV 0.0 is all bits zero in memory..." >&4
 : volatile so that the compiler has to store it out to memory.
 if test X"$d_volatile" = X"$define"; then
@@ -15765,7 +15872,6 @@ eval $setvar
 set pthread_attr_setscope d_pthread_attr_setscope
 eval $inlibc
 
-
 : see whether the various POSIXish _yields exist
 $cat >try.c <<EOP
 #include <pthread.h>
@@ -16890,7 +16996,6 @@ eval $inlibc
 set sfio.h i_sfio
 eval $inhdr
 
-
 : see if sfio library is available
 case "$i_sfio" in
 $define)
@@ -17408,24 +17513,21 @@ eval $hasproto
 set sys/stat.h i_sysstat
 eval $inhdr
 
-
 : see if stat knows about block sizes
 echo " "
 echo "Checking to see if your struct stat has st_blocks field..." >&4
 set d_statblks stat st_blocks $i_sysstat sys/stat.h
 eval $hasfield
 
-
 : see if this is a sys/vfs.h system
 set sys/vfs.h i_sysvfs
 eval $inhdr
 
-
 : see if this is a sys/statfs.h system
 set sys/statfs.h i_sysstatfs
 eval $inhdr
 
-
+: Check for statfs_s
 echo " "
 echo "Checking to see if your system supports struct statfs..." >&4
 set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
@@ -17436,10 +17538,9 @@ case "$d_statfs_s" in
 esac
 
 
-
 : see if struct statfs knows about f_flags
 case "$d_statfs_s" in
-define)	
+define)
 	echo " "
 	echo "Checking to see if your struct statfs has f_flags field..." >&4
 	set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
@@ -19102,7 +19203,7 @@ We won't be flushing handles at all before fork/exec/popen.
 EOM
 	;;
 esac
-$rm_try
+$rm_try tryp
 
 : Store the full pathname to the ar program for use in the C program
 : Respect a hint or command line value for full_ar.
@@ -19367,7 +19468,7 @@ case "$sPRId64" in
 	;;
 esac
 
-
+: Check format strings for internal types
 echo " "
 $echo "Checking the format strings to be used for Perl's internal types..." >&4
 
@@ -19426,6 +19527,7 @@ case "$ivdformat" in
     ;;
 esac
 
+: Check format string for GID
 
 echo " "
 $echo "Checking the format string to be used for gids..." >&4
@@ -19473,7 +19575,6 @@ eval $inlibc
 set setgroups d_setgrps
 eval $inlibc
 
-
 : Find type of 2nd arg to 'getgroups()' and 'setgroups()'
 echo " "
 case "$d_getgrps$d_setgrps" in
@@ -20000,11 +20101,6 @@ EOM
 esac
 
 : Trace out the files included by signal.h, then look for SIGxxx names.
-: Remove SIGARRAYSIZE used by HPUX.
-: Remove SIGSTKSIZE used by Linux.
-: Remove SIGSTKSZ used by Posix.
-: Remove SIGTYP void lines used by OS2.
-: Some cpps, like os390, dont give the file name anywhere
 if [ "X$fieldn" = X ]; then
 	: Just make some guesses.  We check them later.
 	xxx='/usr/include/signal.h /usr/include/sys/signal.h'
@@ -20012,16 +20108,13 @@ else
 	xxx=`echo '#include <signal.h>' |
 	$cppstdin $cppminus $cppflags 2>/dev/null |
 	$grep '^[ 	]*#.*include' |
-	$awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sed 's!\\\\\\\\!/!g' | $sort | $uniq`
+	$awk "{print \\$$fieldn}" | $sed 's!"!!g' |\
+		$sed 's!\\\\\\\\!/!g' | $sort | $uniq`
 fi
-: Check this list of files to be sure we have parsed the cpp output ok.
-: This will also avoid potentially non-existent files, such
-: as ../foo/bar.h
 xxxfiles=''
 for xx in $xxx /dev/null ; do
 	$test -f "$xx" && xxxfiles="$xxxfiles $xx"
 done
-: If we have found no files, at least try signal.h
 case "$xxxfiles" in
 '')	xxxfiles=`./findhdr signal.h` ;;
 esac
@@ -20169,7 +20262,8 @@ $cat >>signal_cmd <<'EOS'
 
 set signal
 if eval $compile_ok; then
-	$run ./signal$_exe | ($sort -n -k 2 2>/dev/null || $sort -n +1) | $uniq | $awk -f signal.awk >signal.lst
+	$run ./signal$_exe | ($sort -n -k 2 2>/dev/null || $sort -n +1) |\
+		$uniq | $awk -f signal.awk >signal.lst
 else
 	echo "(I can't seem be able to compile the whole test program)" >&4
 	echo "(I'll try it in little pieces.)" >&4
@@ -20537,7 +20631,7 @@ else
 fi
 
 
-
+: Check format string for UID
 echo " "
 $echo "Checking the format string to be used for uids..." >&4
 
@@ -20576,7 +20670,7 @@ case "$uidsign" in
 	;;
 esac
 
-
+: Check if site customization support was requested
 case "$usesitecustomize" in
     $define|true|[Yy]*)
 	usesitecustomize="$define"
@@ -20617,7 +20711,6 @@ case "$yacc" in
 	;;
 esac
 
-
 : see if this is a assert.h system
 set assert.h i_assert
 eval $inhdr
@@ -21074,12 +21167,10 @@ fi
 set i_syssockio
 eval $setvar
 
-
 : see if this is a syslog.h system
 set syslog.h i_syslog
 eval $inhdr
 
-
 : see if this is a sys/mode.h system
 set sys/mode.h i_sysmode
 eval $inhdr
@@ -21100,7 +21191,6 @@ eval $inhdr
 set sys/un.h i_sysun
 eval $inhdr
 
-
 : see if this is a sys/utsname.h system
 set sys/utsname.h i_sysutsname
 eval $inhdr
@@ -21562,9 +21652,9 @@ if test -d ../UU; then
 	cd ..
 fi
 
-: configuration may be patched via a 'config.arch' file
+: configuration may be unconditionally patched via a 'config.arch' file
 if $test -f config.arch; then
-	echo "I see a config.arch file, loading it."
+	echo "I see a config.arch file, loading it." >&4
 	. ./config.arch
 fi
 
@@ -21612,13 +21702,16 @@ $startsh
 # Configured by     : $cf_by
 # Target system     : $myuname
 
+EOT
+$test -f UU/cmdline.opt && $cat UU/cmdline.opt >> config.sh
+$spitshell <<EOT >>config.sh
+
 Author='$Author'
 Date='$Date'
 Header='$Header'
 Id='$Id'
 Locker='$Locker'
 Log='$Log'
-Mcc='$Mcc'
 RCSfile='$RCSfile'
 Revision='$Revision'
 Source='$Source'
@@ -22411,6 +22504,7 @@ nroff='$nroff'
 nvEUformat='$nvEUformat'
 nvFUformat='$nvFUformat'
 nvGUformat='$nvGUformat'
+nv_overflows_integers_at='$nv_overflows_integers_at'
 nv_preserves_uv_bits='$nv_preserves_uv_bits'
 nveformat='$nveformat'
 nvfformat='$nvfformat'
@@ -22664,8 +22758,9 @@ echo "PERL_CONFIG_SH=true" >>config.sh
 : propagate old symbols
 if $test -f UU/config.sh; then
 	<UU/config.sh $sort | $uniq >UU/oldconfig.sh
-	sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\
-	$sort | $uniq -u >UU/oldsyms
+	$sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' \
+		config.sh config.sh UU/oldconfig.sh |\
+		$sort | $uniq -u >UU/oldsyms
 	set X `cat UU/oldsyms`
 	shift
 	case $# in
@@ -22674,7 +22769,7 @@ if $test -f UU/config.sh; then
 		cat <<EOM
 Hmm...You had some extra variables I don't know about...I'll try to keep 'em...
 EOM
-		echo "# Variables propagated from previous config.sh file." >>config.sh
+		echo ": Variables propagated from previous config.sh file." >>config.sh
 		for sym in `cat UU/oldsyms`; do
 			echo "    Propagating $hint variable "'$'"$sym..."
 			eval 'tmp="$'"${sym}"'"'