integrate cfgperl changes#6231..6240 into mainline

p4raw-link: @6240 on //depot/cfgperl: 514e70b26394e6b272960ab8b9b8b7dbb1e2c068
p4raw-link: @6231 on //depot/cfgperl: 7906debc4b99f108310cdade6e486754c15481e7

p4raw-id: //depot/perl@6355
p4raw-branched: from //depot/cfgperl@6353 'branch in' pod/perlutil.pod
p4raw-integrated: from //depot/cfgperl@6353 'copy in' pod/roffitall
	(@5753..) op.h (@5833..) README.cygwin (@6096..)
	lib/ExtUtils/MM_VMS.pm (@6140..) lib/File/Find.pm (@6156..)
	Configure config_h.SH hints/solaris_2.sh (@6217..) Todo-5.6
	(@6232..) keywords.h lib/warnings.pm opcode.h opnames.h pp.sym
	regnodes.h warnings.h (@6236..) 'ignore' ext/B/B/Asmdata.pm
	ext/ByteLoader/byterun.c ext/ByteLoader/byterun.h (@6236..)
p4raw-integrated: from //depot/cfgperl@6240 'copy in' utils/h2xs.PL
	(@6192..)
p4raw-integrated: from //depot/cfgperl@6238 'merge in' vms/vms.c
	(@6198..)
p4raw-integrated: from //depot/cfgperl@6237 'copy in' utf8.c (@6221..)
	pod/perlapi.pod pod/perlintern.pod pp_proto.h (@6236..)
	'ignore' embedvar.h perlapi.h (@6236..) 'merge in' embed.pl
	(@6225..) embed.h objXSUB.h perlapi.c proto.h (@6236..)
p4raw-integrated: from //depot/cfgperl@6232 'copy in' pod/Makefile
	pod/perltoc.pod (@6161..) MANIFEST (@6227..)

1 files changed, 197 insertions, 164 deletions

diff --git a/Configure b/Configure
index 19c83a0434..023b2d9b8b 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 Wed May 31 23:34:04 EET DST 2000 [metaconfig 3.0 PL70]
+# Generated on Tue Jun 27 04:45:48 EET DST 2000 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.com)
 
 cat >/tmp/c1$$ <<EOF
@@ -288,7 +288,6 @@ bincompat5005=''
 d_bincompat5005=''
 byteorder=''
 cc=''
-gccversion=''
 ccflags=''
 cppflags=''
 ldflags=''
@@ -597,6 +596,7 @@ fflushNULL=''
 fflushall=''
 fpossize=''
 fpostype=''
+gccversion=''
 gidformat=''
 gidsign=''
 gidsize=''
@@ -2798,7 +2798,11 @@ int main() {
 #endif
 }
 EOP
-	( cc -o pdp11 pdp11.c ) >/dev/null 2>&1
+	case "$cc" in
+	'') modelcc="$cc" ;;
+	*) modelcc="cc" ;;
+	esac
+	( $modelcc -o pdp11 pdp11.c ) >/dev/null 2>&1
 	if $test -f pdp11 && ./pdp11 2>/dev/null; then
 		dflt='unsplit split'
 	else
@@ -3075,6 +3079,47 @@ fi
 if $test -f cc.cbu; then
     . ./cc.cbu
 fi
+: Quick sanity check, we will do a fuller one later when we know
+: the various flags and libs
+$rm -f try try.*
+$cat >try.c <<EOM
+int main(int argc, char *argv[]) {
+  return 0;
+}
+EOM
+if $cc -o try try.c; then
+   :
+else
+   echo "Uh-oh, the C compiler "$cc" doesn't seem to be working..." >&4
+   despair=yes
+   trygcc=yes
+   case "$cc" in
+   *gcc) trygcc=no ;;
+   esac
+   case "`$cc -v 2>&1`" in
+   *gcc*) trygcc=no ;;
+   esac
+   if $test X"$trygcc" = Xyes; then
+      if gcc -o try try.c; then
+        echo " "
+        echo "You seem to have a working gcc, though."
+        rp="Do you want to use it?"
+        dflt=y
+        . ./myread
+        case "$ans" in
+        [yY]*) cc=gcc; despair=no ;;
+        esac
+      fi
+   fi
+   if $test X"$despair" = Xyes; then
+      echo "You need to find a working C compiler." >&4
+      echo "I cannot continue any further, aborting." >&4
+      exit 1
+   fi
+fi
+$rm -f try try.*
+
+
 echo " "
 echo "Checking for GNU cc in disguise and/or its version number..." >&4
 $cat >gccvers.c <<EOM
@@ -3113,6 +3158,154 @@ case "$gccversion" in
 1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
 esac
 
+: see how we invoke the C preprocessor
+echo " "
+echo "Now, how can we feed standard input to your C preprocessor..." >&4
+cat <<'EOT' >testcpp.c
+#define ABC abc
+#define XYZ xyz
+ABC.XYZ
+EOT
+cd ..
+if test ! -f cppstdin; then
+	if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
+		# AIX cc -E doesn't show the absolute headerfile
+		# locations but we'll cheat by using the -M flag.
+		echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
+	else
+		echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+	fi
+else
+	echo "Keeping your $hint cppstdin wrapper."
+fi
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
+
+if $test "X$cppstdin" != "X" && \
+	$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+then
+	echo "You used to use $cppstdin $cppminus so we'll use that again."
+	case "$cpprun" in
+	'') echo "But let's see if we can live without a wrapper..." ;;
+	*)
+		if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
+			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+		then
+			echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
+			ok='true'
+		else
+			echo "(However, $cpprun $cpplast does not work, let's see...)"
+		fi
+		;;
+	esac
+else
+	case "$cppstdin" in
+	'') ;;
+	*)
+		echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+		;;
+	esac
+fi
+
+if $ok; then
+	: nothing
+elif echo 'Maybe "'"$cc"' -E" will work...'; \
+	$cc -E <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "Yup, it does."
+	x_cpp="$cc -E"
+	x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
+	$cc -E - <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "Yup, it does."
+	x_cpp="$cc -E"
+	x_minus='-';
+elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
+	$cc -P <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "Yipee, that works!"
+	x_cpp="$cc -P"
+	x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
+	$cc -P - <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "At long last!"
+	x_cpp="$cc -P"
+	x_minus='-';
+elif echo 'No such luck, maybe "'$cpp'" will work...'; \
+	$cpp <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "It works!"
+	x_cpp="$cpp"
+	x_minus='';
+elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
+	$cpp - <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	echo "Hooray, it works!  I was beginning to wonder."
+	x_cpp="$cpp"
+	x_minus='-';
+elif echo 'Uh-uh.  Time to get fancy.  Trying a wrapper...'; \
+	$wrapper <testcpp.c >testcpp.out 2>&1; \
+	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+	x_cpp="$wrapper"
+	x_minus=''
+	echo "Eureka!"
+else
+	dflt=''
+	rp="No dice.  I can't find a C preprocessor.  Name one:"
+	. ./myread
+	x_cpp="$ans"
+	x_minus=''
+	$x_cpp <testcpp.c >testcpp.out 2>&1
+	if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+		echo "OK, that will do." >&4
+	else
+echo "Sorry, I can't get that to work.  Go find one and rerun Configure." >&4
+		exit 1
+	fi
+fi
+
+case "$ok" in
+false)
+	cppstdin="$x_cpp"
+	cppminus="$x_minus"
+	cpprun="$x_cpp"
+	cpplast="$x_minus"
+	set X $x_cpp
+	shift
+	case "$1" in
+	"$cpp")
+		echo "Perhaps can we force $cc -E using a wrapper..."
+		if $wrapper <testcpp.c >testcpp.out 2>&1; \
+			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+		then
+			echo "Yup, we can."
+			cppstdin="$wrapper"
+			cppminus='';
+		else
+			echo "Nope, we'll have to live without it..."
+		fi
+		;;
+	esac
+	case "$cpprun" in
+	"$wrapper")
+		cpprun=''
+		cpplast=''
+		;;
+	esac
+	;;
+esac
+
+case "$cppstdin" in
+"$wrapper"|'cppstdin') ;;
+*) $rm -f $wrapper;;
+esac
+$rm -f testcpp.c testcpp.out
+
 : decide how portable to be.  Allow command line overrides.
 case "$d_portable" in
 "$undef") ;;
@@ -3406,7 +3599,7 @@ if $test -f /bin/mips && /bin/mips; then
 /bsd43
 #endif
 EOCP
-	if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
+	if cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
 		dflt='/bsd43/usr/include'
 		incpath='/bsd43'
 		mips_type='BSD 4.3'
@@ -3439,154 +3632,6 @@ y)	fn=d/
 	;;
 esac
 
-: see how we invoke the C preprocessor
-echo " "
-echo "Now, how can we feed standard input to your C preprocessor..." >&4
-cat <<'EOT' >testcpp.c
-#define ABC abc
-#define XYZ xyz
-ABC.XYZ
-EOT
-cd ..
-if test ! -f cppstdin; then
-	if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
-		# AIX cc -E doesn't show the absolute headerfile
-		# locations but we'll cheat by using the -M flag.
-		echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
-	else
-		echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
-	fi
-else
-	echo "Keeping your $hint cppstdin wrapper."
-fi
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
-
-if $test "X$cppstdin" != "X" && \
-	$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-then
-	echo "You used to use $cppstdin $cppminus so we'll use that again."
-	case "$cpprun" in
-	'') echo "But let's see if we can live without a wrapper..." ;;
-	*)
-		if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
-			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-		then
-			echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
-			ok='true'
-		else
-			echo "(However, $cpprun $cpplast does not work, let's see...)"
-		fi
-		;;
-	esac
-else
-	case "$cppstdin" in
-	'') ;;
-	*)
-		echo "Good old $cppstdin $cppminus does not seem to be of any help..."
-		;;
-	esac
-fi
-
-if $ok; then
-	: nothing
-elif echo 'Maybe "'"$cc"' -E" will work...'; \
-	$cc -E <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "Yup, it does."
-	x_cpp="$cc -E"
-	x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
-	$cc -E - <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "Yup, it does."
-	x_cpp="$cc -E"
-	x_minus='-';
-elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
-	$cc -P <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "Yipee, that works!"
-	x_cpp="$cc -P"
-	x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
-	$cc -P - <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "At long last!"
-	x_cpp="$cc -P"
-	x_minus='-';
-elif echo 'No such luck, maybe "'$cpp'" will work...'; \
-	$cpp <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "It works!"
-	x_cpp="$cpp"
-	x_minus='';
-elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
-	$cpp - <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	echo "Hooray, it works!  I was beginning to wonder."
-	x_cpp="$cpp"
-	x_minus='-';
-elif echo 'Uh-uh.  Time to get fancy.  Trying a wrapper...'; \
-	$wrapper <testcpp.c >testcpp.out 2>&1; \
-	$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-	x_cpp="$wrapper"
-	x_minus=''
-	echo "Eureka!"
-else
-	dflt=''
-	rp="No dice.  I can't find a C preprocessor.  Name one:"
-	. ./myread
-	x_cpp="$ans"
-	x_minus=''
-	$x_cpp <testcpp.c >testcpp.out 2>&1
-	if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
-		echo "OK, that will do." >&4
-	else
-echo "Sorry, I can't get that to work.  Go find one and rerun Configure." >&4
-		exit 1
-	fi
-fi
-
-case "$ok" in
-false)
-	cppstdin="$x_cpp"
-	cppminus="$x_minus"
-	cpprun="$x_cpp"
-	cpplast="$x_minus"
-	set X $x_cpp
-	shift
-	case "$1" in
-	"$cpp")
-		echo "Perhaps can we force $cc -E using a wrapper..."
-		if $wrapper <testcpp.c >testcpp.out 2>&1; \
-			$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-		then
-			echo "Yup, we can."
-			cppstdin="$wrapper"
-			cppminus='';
-		else
-			echo "Nope, we'll have to live without it..."
-		fi
-		;;
-	esac
-	case "$cpprun" in
-	"$wrapper")
-		cpprun=''
-		cpplast=''
-		;;
-	esac
-	;;
-esac
-
-case "$cppstdin" in
-"$wrapper"|'cppstdin') ;;
-*) $rm -f $wrapper;;
-esac
-$rm -f testcpp.c testcpp.out
-
 : Set private lib path
 case "$plibpth" in
 '') if ./mips; then
@@ -9190,10 +9235,6 @@ eval $inlibc
 set getespwnam d_getespwnam
 eval $inlibc
 
-: see if getespwnam exists
-set getespwnam d_getespwnam
-eval $inlibc
-
 
 : see if getfsstat exists
 set getfsstat d_getfsstat
@@ -9376,10 +9417,6 @@ eval $hasproto
 set getprpwnam d_getprpwnam
 eval $inlibc
 
-: see if getprpwnam exists
-set getprpwnam d_getprpwnam
-eval $inlibc
-
 : see if getpwent exists
 set getpwent d_getpwent
 eval $inlibc
@@ -14358,10 +14395,6 @@ eval $inhdr
 set prot.h i_prot
 eval $inhdr
 
-: see if this is a prot.h system
-set prot.h i_prot
-eval $inhdr
-
 echo " "
 $echo "Guessing which symbols your C compiler and preprocessor define..." >&4 
 $cat <<'EOSH' > Cppsym.know