Add libisc port:

libisc is C utility library which is used as part of part of ISC's bind.

It includes functions for:
- assertion handling.
- balanced binary (AVL) trees.
- bit masks comparison.
- event based programs.
- heap-based priority queues.
- memory handling.
- program logging.

Reviewed by:	erwin

devel/Makefile

@@ -486,6 +486,7 @@
     SUBDIR += libhash
     SUBDIR += libhoard
     SUBDIR += libical
+    SUBDIR += libisc
     SUBDIR += libltdl15
     SUBDIR += libmatheval
     SUBDIR += libmba

devel/libisc/Makefile

@@ -0,0 +1,39 @@
+# New ports collection makefile for:	libisc
+# Date created:			26 Nov 2005
+# Whom:				Simon L. Nielsen <simon@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	libisc
+PORTVERSION=	9.3.1
+CATEGORIES=	devel
+MASTER_SITES=	${MASTER_SITE_ISC}
+MASTER_SITE_SUBDIR=	bind9/${ISCVERSION}
+DISTNAME=	bind-${ISCVERSION}
+DISTFILES=	${DISTNAME}${EXTRACT_SUFX} ${DISTNAME}${EXTRACT_SUFX}.asc
+EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
+
+MAINTAINER=	simon@FreeBSD.org
+COMMENT=	ISC's utility library
+
+# ISC releases things like 9.3.0rc1, which our versioning doesn't like
+ISCVERSION=	9.3.1
+
+GNU_CONFIGURE=	yes
+#CONFIGURE_TARGET=	--build=${MACHINE_ARCH}-portbld-freebsd${OSREL}
+MANCOMPRESSED=	yes
+BUILD_WRKSRC=	${WRKSRC}/lib/bind/freebsdportisc/
+INSTALL_WRKSRC=	${BUILD_WRKSRC}
+INSTALLS_SHLIB=	yes
+
+MAN3=		assertions.3 eventlib.3 logging.3 tree.3 bitncmp.3 heap.3 \
+		memcluster.3
+
+.if defined(NO_PROFILE) || defined(NOPROFILE)
+PLIST_SUB+=	PROFLIB="@comment "
+.else
+PLIST_SUB+=	PROFLIB=""
+.endif
+
+.include <bsd.port.mk>

devel/libisc/distinfo

@@ -0,0 +1,6 @@
+MD5 (bind-9.3.1.tar.gz) = 9ff3204eea27184ea0722f37e43fc95d
+SHA256 (bind-9.3.1.tar.gz) = 9a9411115338d2554f2e99bc676c2e9a381a8d649bf9bd9c0b2ffa2cf74b563c
+SIZE (bind-9.3.1.tar.gz) = 4673603
+MD5 (bind-9.3.1.tar.gz.asc) = b2077443ade50ed778aa78a8014affaa
+SHA256 (bind-9.3.1.tar.gz.asc) = 288cd81c1fc9e8cc2764f1c2464b948f0541af231d615df85803ba430314d803
+SIZE (bind-9.3.1.tar.gz.asc) = 186

devel/libisc/files/patch-Makefile

@@ -0,0 +1,40 @@
+--- /dev/null	Fri Nov 25 23:55:00 2005
++++ lib/bind/freebsdportisc/Makefile	Fri Nov 25 23:57:32 2005
+@@ -0,0 +1,37 @@
++# $FreeBSD$
++.PATH: ${.CURDIR}/../isc ${.CURDIR}/../include/isc
++
++LIB=	isc
++
++SRCS=	assertions.c base64.c bitncmp.c ctl_clnt.c ctl_p.c \
++	ctl_srvr.c ev_connects.c ev_files.c ev_streams.c \
++	ev_timers.c ev_waits.c eventlib.c heap.c hex.c logging.c \
++	memcluster.c movefile.c tree.c
++
++INCS=	assertions.h ctl.h dst.h eventlib.h heap.h irpmarshall.h \
++	list.h logging.h memcluster.h misc.h tree.h
++
++SHLIB_MAJOR=1
++
++LIBDIR=	${PREFIX}/lib
++MANDIR=	${PREFIX}/man/man
++INCSDIR=	${PREFIX}/include/isc
++
++MAN=	assertions.3 eventlib.3 logging.3 tree.3 \
++	bitncmp.3 heap.3 memcluster.3
++
++# Not elegant, but it works
++.for mp in ${MAN}
++${mp}:
++	ln -s ${.CURDIR}/../isc/${mp:S/.3/.mdoc/} ${mp}
++.endfor
++
++top_builddir =	BSD/ports/libisc/work/bind-9.3.1/lib/bind
++
++CFLAGS+=	-I${.CURDIR}/../include -I${.CURDIR}/.. \
++		-I${.CURDIR}/../port/freebsd/include
++
++beforeinstall:
++	test -d ${INCSDIR} || mkdir ${INCSDIR}
++
++.include <bsd.lib.mk>

devel/libisc/pkg-descr

@@ -0,0 +1,10 @@
+libisc is C utility library which is used as part of part of ISC's bind.
+
+It includes functions for:
+- assertion handling.
+- balanced binary (AVL) trees.
+- bit masks comparison.
+- event based programs.
+- heap-based priority queues.
+- memory handling.
+- program logging.

devel/libisc/pkg-plist

@@ -0,0 +1,16 @@
+lib/libisc.a
+lib/libisc.so
+lib/libisc.so.1
+%%PROFLIB%%lib/libisc_p.a
+include/isc/assertions.h
+include/isc/ctl.h
+include/isc/dst.h
+include/isc/eventlib.h
+include/isc/heap.h
+include/isc/irpmarshall.h
+include/isc/list.h
+include/isc/logging.h
+include/isc/memcluster.h
+include/isc/misc.h
+include/isc/tree.h
+@dirrm include/isc