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+?RCS: $Id$
+?RCS:
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?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
+?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?RCS: 
+?RCS: $Log: d_crypt.U,v $
+?RCS: Revision 3.0.1.1  1997/02/28  15:31:47  ram
+?RCS: patch61: replaced .a with $_a all over the place
+?RCS:
+?RCS: Revision 3.0  1993/08/18  12:05:52  ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?MAKE:d_crypt cryptlib: Loc test xlibpth libpth Csym Setvar _a Inlibc
+?MAKE:	-pick add $@ %<
+?S:d_crypt:
+?S:	This variable conditionally defines the CRYPT symbol, which
+?S:	indicates to the C program that the crypt() routine is available
+?S:	to encrypt passwords and the like.
+?S:.
+?S:cryptlib:
+?S:	This variable holds -lcrypt or the path to a libcrypt.a archive if
+?S:	the crypt() function is not defined in the standard C library. It is
+?S:	up to the Makefile to use this.
+?S:.
+?C:HAS_CRYPT (CRYPT):
+?C:	This symbol, if defined, indicates that the crypt routine is available
+?C:	to encrypt passwords and the like.
+?C:.
+?H:#$d_crypt HAS_CRYPT		/**/
+?H:.
+?LINT:set d_crypt
+?T:val
+: see if crypt exists
+echo " "
+set crypt d_crypt
+eval $inlibc
+case "$d_crypt" in
+$define) cryptlib='' ;;
+*)	if set crypt val -f d_crypt; eval $csym; $val; then
+		echo 'crypt() found.' >&4
+		val="$define"
+		cryptlib=''
+	else
+		cryptlib=`./loc Slibcrypt$_a "" $xlibpth`
+		if $test -z "$cryptlib"; then
+			cryptlib=`./loc Mlibcrypt$_a "" $xlibpth`
+		else
+			cryptlib=-lcrypt
+		fi
+		if $test -z "$cryptlib"; then
+			cryptlib=`./loc Llibcrypt$_a "" $xlibpth`
+		else
+			cryptlib=-lcrypt
+		fi
+		if $test -z "$cryptlib"; then
+			cryptlib=`./loc libcrypt$_a "" $libpth`
+		else
+			cryptlib=-lcrypt
+		fi
+		if $test -z "$cryptlib"; then
+			echo 'crypt() NOT found.' >&4
+			val="$undef"
+		else
+			val="$define"
+		fi
+	fi
+	set d_crypt
+	eval $setvar
+	;;
+esac
+