Added tree based on bep and patch from martinhpedersen.

app-text/tree/patches/tree-1.6.0.patch

@@ -0,0 +1,28 @@
+diff -Naur tree-1.6.0/Makefile tree-1.6.0-haiku/Makefile
+--- tree-1.6.0/Makefile	2011-06-24 16:25:27.060030976 +0200
++++ tree-1.6.0-haiku/Makefile	2011-12-18 01:40:48.786169856 +0100
+@@ -31,8 +31,8 @@
+ 
+ # Linux defaults:
+ #CFLAGS=-ggdb -Wall -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+-CFLAGS=-O4 -Wall  -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+-LDFLAGS=-s
++#CFLAGS=-O4 -Wall  -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
++#LDFLAGS=-s
+ 
+ # Uncomment for FreeBSD:
+ #CFLAGS=-O2 -Wall -fomit-frame-pointer
+@@ -58,6 +58,13 @@
+ #LDFLAGS=
+ #OBJS+=strverscmp.o
+ 
++# Uncomment for Haiku:
++prefix=$(shell finddir B_COMMON_DIRECTORY)
++MANDIR=$(shell finddir B_COMMON_DOCUMENTATION_DIRECTORY)/man/man1
++CFLAGS=-O2 -Wall -fomit-frame-pointer
++LDFLAGS=
++OBJS+=strverscmp.o
++
+ # Uncomment for HP/UX:
+ #CC=cc
+ #CFLAGS=-O2 -DAportable -Wall

app-text/tree/tree-1.6.0.bep

@@ -0,0 +1,25 @@
+DESCRIPTION="Lists directories recursively, and produces an indented listing of files."
+HOMEPAGE="http://mama.indstate.edu/users/ice/tree/"
+SRC_URI="http://mama.indstate.edu/users/ice/tree/src/tree-1.6.0.tgz"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND=""
+CHECKSUM_MD5="04e967a3f4108d50cde3b4b0e89e970a"
+BUILD {
+	cd tree-1.6.0
+	make
+}
+
+INSTALL {
+	cd tree-1.6.0
+	make install \
+		BINDIR=${DESTDIR}`finddir B_COMMON_BIN_DIRECTORY` \
+		MANDIR=${DESTDIR}`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
+}
+
+TEST {
+	# none
+}
+
+LICENSE="GNU GPL v2"
+COPYRIGHT="1996-2011 Steve Baker"