Differences lists are a list-like type supporting O(1) append. This is

particularly useful for efficient logging and pretty printing, (e.g.
with the Writer monad), where list append quickly becomes too expensive.

WWW: http://code.haskell.org/~dons/code/dlist/

PR:		ports/128770
Submitted by:	Samy Al Bahra <sbahra at kerneled.org>

5 files changed, 59 insertions, 0 deletions

diff --git a/devel/Makefile b/devel/Makefile
index 5302fcb38138..9960caa818a6 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -488,6 +488,7 @@
     SUBDIR += hs-buddha
     SUBDIR += hs-c2hs
     SUBDIR += hs-cpphs
+    SUBDIR += hs-dlist
     SUBDIR += hs-drift
     SUBDIR += hs-fps
     SUBDIR += hs-haddock
diff --git a/devel/hs-dlist/Makefile b/devel/hs-dlist/Makefile
new file mode 100644
index 000000000000..3a550cb7ad08
--- /dev/null
+++ b/devel/hs-dlist/Makefile
@@ -0,0 +1,37 @@
+# New ports collection makefile for:	dlist
+# Date created:				November 10, 2008
+# Whom:					Samy Al Bahra <sbahra@kerneled.org>
+#
+# $FreeBSD$
+
+PORTNAME=	dlist
+PORTVERSION=	0.4.1
+CATEGORIES=	devel haskell
+MASTER_SITES=	http://hackage.haskell.org/packages/archive/${PORTNAME}/${PORTVERSION}/ \
+		http://carte.kerneled.org/mirror/
+PKGNAMEPREFIX=	hs-
+
+MAINTAINER=	sbahra@kerneled.org
+COMMENT=	A list-like type supporting O(1) append for Haskell
+
+BUILD_DEPENDS=	ghc:${PORTSDIR}/lang/ghc
+LIB_DEPENDS=	gmp.7:${PORTSDIR}/math/libgmp4
+
+CABAL=		${LOCALBASE}/bin/runghc Setup.lhs
+GHC_VERSION=	`${LOCALBASE}/bin/ghc --numeric-version`
+SUBDIR=		lib/${PORTNAME}-${PORTVERSION}
+PLIST_SUB=	GHC_VERSION="${GHC_VERSION}"		\
+		PORTVERSION=${PORTVERSION}		\
+		SUBDIR=${SUBDIR}
+
+do-configure:
+	cd ${WRKSRC} && ${CABAL} configure --prefix=${PREFIX} --ghc
+
+do-build:
+	cd ${WRKSRC} && ${CABAL} build && ${CABAL} register --gen-script
+
+do-install:
+	cd ${WRKSRC} && ${CABAL} install
+	${INSTALL_SCRIPT} ${WRKSRC}/register.sh ${PREFIX}/${SUBDIR}/register.sh
+
+.include <bsd.port.mk>
diff --git a/devel/hs-dlist/distinfo b/devel/hs-dlist/distinfo
new file mode 100644
index 000000000000..b48ed2a18362
--- /dev/null
+++ b/devel/hs-dlist/distinfo
@@ -0,0 +1,3 @@
+MD5 (dlist-0.4.1.tar.gz) = c1d0bcebbb62a60f56a42cfdc1b32758
+SHA256 (dlist-0.4.1.tar.gz) = 5e3271b7962e002a86c62cd13aa27960ef643cdf87908324a781e9a437898b10
+SIZE (dlist-0.4.1.tar.gz) = 5841
diff --git a/devel/hs-dlist/pkg-descr b/devel/hs-dlist/pkg-descr
new file mode 100644
index 000000000000..363c837fd492
--- /dev/null
+++ b/devel/hs-dlist/pkg-descr
@@ -0,0 +1,5 @@
+Differences lists are a list-like type supporting O(1) append. This is
+particularly useful for efficient logging and pretty printing, (e.g.
+with the Writer monad), where list append quickly becomes too expensive. 
+
+WWW: http://code.haskell.org/~dons/code/dlist/
diff --git a/devel/hs-dlist/pkg-plist b/devel/hs-dlist/pkg-plist
new file mode 100644
index 000000000000..cbb4384f880a
--- /dev/null
+++ b/devel/hs-dlist/pkg-plist
@@ -0,0 +1,13 @@
+%%SUBDIR%%/ghc-%%GHC_VERSION%%/libHSdlist-%%PORTVERSION%%.a
+%%SUBDIR%%/ghc-%%GHC_VERSION%%/HSdlist-%%PORTVERSION%%.o
+%%SUBDIR%%/ghc-%%GHC_VERSION%%/Data/DList.hi
+%%SUBDIR%%/register.sh
+share/doc/dlist-%%PORTVERSION%%/LICENSE
+@dirrm share/doc/dlist-%%PORTVERSION%%
+@dirrm lib/dlist-%%PORTVERSION%%/ghc-%%GHC_VERSION%%/Data
+@dirrm lib/dlist-%%PORTVERSION%%/ghc-%%GHC_VERSION%%
+@dirrm lib/dlist-%%PORTVERSION%%
+@exec /bin/sh %D/%%SUBDIR%%/register.sh
+@exec /bin/rm -f %D/lib/ghc-%%GHC_VERSION%%/package.conf.old
+@unexec %D/bin/ghc-pkg unregister dlist
+@unexec /bin/rm -f %D/lib/ghc-%%GHC_VERSION%%/package.conf.old