diff --git a/TODO b/TODO
index ece27c22e8..7934c4d0f4 100644
--- a/TODO
+++ b/TODO
@@ -3,8 +3,29 @@
   |    <  V  . |  . V  .   <   _/ .-' _/|  ()  |
   |__\__|_|__|___/__|__|_\__\___/ |____(_)____/
 
+------8<-------------------8<--------------------8<-----------------8<----------
+
+====[[ 0.8.6 ]]====
+
+* shell encoder - get x86-64 one from twitter
+  - http://funoverip.net/2011/09/simple-shellcode-obfuscation/
+* enhace r_egg.. not usable til 0.9
+* rabin2 -z /dev/sda1 TAKES TOO LONG. opening r2 /tmp/fs is SLOW as shit.
+* Add -f/-t in rahash2 to define ranges
+  - Add support for large files in rahash2
+  - Do not use slurp (must work for big files too!)
+* build farm
+
 ====[[ 0.9 ]]====
 
+OSX
+===
+* Proper support for MACH-O binaries
+  - rabin2 -f works? i think its used with '-a' 
+
+Other stuff
+===========
+* rax2 -k by default?
 * r_anal_find_fcn() is O(N). should be O(1)
   - var r = RHashTable<RList>()
     var l = r.add ("0x8048000-0x8049000", new RList ())
@@ -18,12 +39,8 @@
 * Merge libr/db inside libr/util ?
 * Test r_search_delta()
 * Dupped javasm bin/asm -- must merge
+* Implement differential distance signature search
 
-------8<-------------------8<--------------------8<-----------------8<----------
-
-====[[ 0.8.6 ]]====
-
-* rax2 -k by default?
 
 * Rename r_hashtable -> r_ht
   - Make ht64.c include ht.c
@@ -32,24 +49,11 @@
 * Handle ^C as an alias for '.' command
 * search.kwidx must be search.lastidx or search.idx ?
 * add support for sockets in rarun2
-* shell encoder - get x86-64 one from twitter
-  - http://funoverip.net/2011/09/simple-shellcode-obfuscation/
 * RBinCreate:
   - mach0 create for darwin-ppc
   - pe64
   - plan9 bins
 
-BOTTLENECKS:
-============
-* rabin2 -z /dev/sda1 TAKES TOO LONG. opening r2 /tmp/fs is SLOW as shit.
-* Add -f/-t in rahash2 to define ranges
-  - Add support for large files in rahash2
-  - Do not use slurp (must work for big files too!)
-
-OSX
-===
-* Proper support for MACH-O binaries
-  - rabin2 -f works? i think its used with '-a' 
 
 TODO
 ====
diff --git a/configure.hook b/configure.hook
index ac92c59f7e..f9748718d0 100755
--- a/configure.hook
+++ b/configure.hook
@@ -1,4 +1,11 @@
 #!/bin/sh
-[ plugins.def.cfg -nt ./plugins.cfg ] && rm -f plugins.cfg
-[ ! -e plugins.cfg ] && ./configure-plugins $@
-r2-bindings/configure-langs $@
+case "$1" in
+--version|--help)
+	: # nothing to do here
+	;;
+*)
+	[ plugins.def.cfg -nt ./plugins.cfg ] && rm -f plugins.cfg
+	[ ! -e plugins.cfg ] && ./configure-plugins $@
+	r2-bindings/configure-langs $@
+	;;
+esac
diff --git a/libr/core/anal.c b/libr/core/anal.c
index ddca92e317..752a5237f2 100644
--- a/libr/core/anal.c
+++ b/libr/core/anal.c
@@ -35,29 +35,29 @@ static char *r_core_anal_graph_label(RCore *core, struct r_anal_bb_t *bb, int op
 		cmdstr = r_core_cmd_str (core, cmd);
 	}
 	if (cmdstr) {
-		if (!(str = malloc(strlen(cmdstr)*2)))
+		if (!(str = malloc (strlen(cmdstr)*2)))
 			return NULL;
-		for(i=j=0;cmdstr[i];i++,j++) {
-			switch(cmdstr[i]) {
+		for(i=j=0; cmdstr[i]; i++,j++) {
+			switch (cmdstr[i]) {
 			case 0x1b:
 				/* skip ansi chars */
-				for(i++;cmdstr[i]&&cmdstr[i]!='m'&&cmdstr[i]!='H'&&cmdstr[i]!='J';i++);
+				for (i++; cmdstr[i] && cmdstr[i]!='m' && cmdstr[i]!='H' && cmdstr[i]!='J'; i++);
 				j--;
 				break;
 			case '"':
-				str[j]='\\';
-				str[++j]='"';
+				str[j] = '\\';
+				str[++j] = '"';
 				break;
 			case '\n':
 			case '\r':
-				str[j]='\\';
-				str[++j]='l';
+				str[j] = '\\';
+				str[++j] = 'l';
 				break;
 			default:
-				str[j]=cmdstr[i];
+				str[j] = cmdstr[i];
 			}
 		}
-		str[j]='\0';
+		str[j] = '\0';
 		free (cmdstr);
 	}
 	return str;
@@ -82,13 +82,18 @@ static void r_core_anal_graph_nodes(RCore *core, RAnalFcn *fcn, int opts) {
 		}
 		if ((str = r_core_anal_graph_label (core, bbi, opts))) {
 			if (opts & R_CORE_ANAL_GRAPHDIFF) {
-				r_cons_printf (" \"0x%08"PFMT64x"_0x%08"PFMT64x"\" [color=\"%s\", label=\"%s\"]\n",
+				r_cons_printf (" \"0x%08"PFMT64x"_0x%08"PFMT64x"\" [color=\"%s\","
+					" label=\"%s\", URL=\"%s/0x%08"PFMT64x"\"]\n",
 					fcn->addr, bbi->addr, 
-					bbi->diff->type==R_ANAL_DIFF_TYPE_MATCH?"lightgray":
-					bbi->diff->type==R_ANAL_DIFF_TYPE_UNMATCH?"yellow":"red",str);
+					bbi->diff->type==R_ANAL_DIFF_TYPE_MATCH? "lightgray":
+					bbi->diff->type==R_ANAL_DIFF_TYPE_UNMATCH? "yellow": "red", str,
+					fcn->name, bbi->addr);
 			} else {
-				r_cons_printf (" \"0x%08"PFMT64x"_0x%08"PFMT64x"\" [color=\"%s\", label=\"%s\"]\n",
-					fcn->addr, bbi->addr, bbi->traced?"yellow":"lightgray",str);
+				r_cons_printf (" \"0x%08"PFMT64x"_0x%08"PFMT64x"\" ["
+					"URL=\"%s/0x%08"PFMT64x"\" color=\"%s\", label=\"%s\"]\n",
+					fcn->addr, bbi->addr, 
+					fcn->name, bbi->addr,
+					bbi->traced?"yellow":"lightgray", str);
 			}
 			r_cons_flush ();
 			free (str);
@@ -104,7 +109,7 @@ R_API int r_core_anal_bb(RCore *core, RAnalFcn *fcn, ut64 at, int head) {
 	int ret = R_ANAL_RET_NEW, buflen, bblen = 0;
 	int split = core->anal->split;
 
-	if (!(bb = r_anal_bb_new()))
+	if (!(bb = r_anal_bb_new ()))
 		return R_FALSE;
 	if (split) ret = r_anal_fcn_split_bb (fcn, bb, at);
 	else r_list_foreach (fcn->bbs, iter, bbi)
@@ -264,19 +269,23 @@ R_API int r_core_anal_fcn_clean(RCore *core, ut64 addr) {
 }
 
 R_API void r_core_anal_refs(RCore *core, ut64 addr, int gv) {
+	int showhdr = 0;
 	RListIter *iter, *iter2;
 	RAnalRef *fcnr;
 	RAnalFcn *fcni;
 
-	if (gv) r_cons_printf ("digraph code {\n"
-		"\tgraph [bgcolor=white];\n"
-		"\tnode [color=lightgray, style=filled shape=box"
-		" fontname=\"Courier\" fontsize=\"8\"];\n");
 	r_list_foreach (core->anal->fcns, iter, fcni) {
 		if (addr != 0 && addr != fcni->addr)
 			continue;
 		if (!gv) r_cons_printf ("0x%08"PFMT64x"\n", fcni->addr);
 		r_list_foreach (fcni->refs, iter2, fcnr) {
+			if (!showhdr) {
+				if (gv) r_cons_printf ("digraph code {\n"
+					"\tgraph [bgcolor=white];\n"
+					"\tnode [color=lightgray, style=filled shape=box"
+					" fontname=\"Courier\" fontsize=\"8\"];\n");
+				showhdr = 1;
+			}
 			// TODO: display only code or data refs?
 			RFlagItem *flag = r_flag_get_i (core->flags, fcnr->addr);
 			if (gv) r_cons_printf ("\t\"0x%08"PFMT64x"\" -> \"0x%08"PFMT64x"\" "
@@ -287,7 +296,8 @@ R_API void r_core_anal_refs(RCore *core, ut64 addr, int gv) {
 			else r_cons_printf (" - 0x%08"PFMT64x" (%c)\n", fcnr->addr, fcnr->type);
 		}
 	}
-	r_cons_printf ("}\n");
+	if (showhdr && gv)
+		r_cons_printf ("}\n");
 }
 
 static void fcn_list_bbs(RAnalFcn *fcn) {
@@ -319,7 +329,6 @@ static void fcn_list_bbs(RAnalFcn *fcn) {
 	r_cons_flush ();
 }
 
-
 R_API int r_core_anal_fcn_list(RCore *core, const char *input, int rad) {
 	RAnalFcn *fcni;
 	struct r_anal_ref_t *refi;
@@ -397,10 +406,14 @@ R_API int r_core_anal_fcn_list(RCore *core, const char *input, int rad) {
 R_API int r_core_anal_graph(RCore *core, ut64 addr, int opts) {
 	RAnalFcn *fcni;
 	RListIter *iter;
-	int reflines = r_config_get_i (core->config, "asm.lines");
-	int bytes = r_config_get_i (core->config, "asm.bytes");
-	int dwarf = r_config_get_i (core->config, "asm.dwarf");
+	int reflines, bytes, dwarf;
 
+	if (r_list_empty (core->anal->fcns))
+		return R_FALSE;
+
+	reflines = r_config_get_i (core->config, "asm.lines");
+	bytes = r_config_get_i (core->config, "asm.bytes");
+	dwarf = r_config_get_i (core->config, "asm.dwarf");
 	r_config_set_i (core->config, "asm.lines", 0);
 	r_config_set_i (core->config, "asm.bytes", 0);
 	r_config_set_i (core->config, "asm.dwarf", 0);
@@ -426,11 +439,8 @@ static int r_core_anal_followptr(RCore *core, ut64 at, ut64 ptr, ut64 ref, int c
 	int wordsize, endian;
 
 	if (ptr == ref) {
-		if (code)
-			r_cons_printf ("ar 0x%08"PFMT64x" 0x%08"PFMT64x"\n",
-					(ut64)ref, (ut64)at);
-		else r_cons_printf ("ard 0x%08"PFMT64x" 0x%08"PFMT64x"\n",
-					(ut64)ref, (ut64)at);
+		if (code) r_cons_printf ("ar 0x%08"PFMT64x" 0x%08"PFMT64x"\n", (ut64)ref, (ut64)at);
+		else r_cons_printf ("ard 0x%08"PFMT64x" 0x%08"PFMT64x"\n", (ut64)ref, (ut64)at);
 		return R_TRUE;
 	}
 	if (depth < 1)
@@ -512,8 +522,7 @@ R_API int r_core_anal_ref_list(RCore *core, int rad) {
 
 		}
 	r_list_foreach (core->anal->refs, iter2, refi) {
-		if (rad)
-			r_cons_printf ("ar%s 0x%08"PFMT64x" 0x%08"PFMT64x"\n", 
+		if (rad) r_cons_printf ("ar%s 0x%08"PFMT64x" 0x%08"PFMT64x"\n", 
 					refi->type==R_ANAL_REF_TYPE_DATA?"d":"",
 					refi->at, refi->addr);
 		else r_cons_printf ("0x%08"PFMT64x" -> 0x%08"PFMT64x" (%c)\n", 
diff --git a/libr/include/r_anal.h b/libr/include/r_anal.h
index 80da3033d1..d5c21a0405 100644
--- a/libr/include/r_anal.h
+++ b/libr/include/r_anal.h
@@ -429,6 +429,7 @@ R_API char *r_anal_op_to_string(RAnal *anal, RAnalOp *op);
 R_API RAnalFcn *r_anal_fcn_new();
 R_API RAnalFcn *r_anal_fcn_find(RAnal *anal, ut64 addr, int type);
 R_API RList *r_anal_fcn_list_new();
+R_API int r_anal_fcn_insert(RAnal *anal, RAnalFcn *fcn);
 R_API void r_anal_fcn_free(void *fcn);
 R_API int r_anal_fcn(RAnal *anal, RAnalFcn *fcn, ut64 addr,
 		ut8 *buf, ut64 len, int reftype);
diff --git a/sys/bindist.sh b/sys/bindist.sh
new file mode 100644
index 0000000000..7fef444e2b
--- /dev/null
+++ b/sys/bindist.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# find root
+cd `dirname $PWD/$0` ; cd ..
+
+D=prefix-install
+P=`./configure --version|head -n 1|cut -d ' ' -f 1`
+rm -rf $D
+mkdir $D
+make install DESTDIR=$D
+cd $D
+tar czvf ../$P-bin.tar.gz
+rm -rf $D
diff --git a/sys/build.sh b/sys/build.sh
new file mode 100755
index 0000000000..8db653336d
--- /dev/null
+++ b/sys/build.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# find root
+cd `dirname $PWD/$0` ; cd ..
+
+ccache --help > /dev/null 2>&1
+if [ $? = 0 ]; then
+	[ -z "${CC}" ] && CC=gcc
+	CC="ccache ${CC}"
+	export CC
+fi
+
+# build
+if [ -f config-user.mk ]; then
+	make mrproper
+fi
+./configure --prefix=/usr && \
+make -j 4
diff --git a/sys/farm/CONFIG b/sys/farm/CONFIG
new file mode 100644
index 0000000000..98b09fb23f
--- /dev/null
+++ b/sys/farm/CONFIG
@@ -0,0 +1,21 @@
+# helpers
+minutes() { echo $(($1*60)); }
+hours() { echo $(($1*60*60)); }
+days() { echo $(($1*60*60*24)); }
+hhmm() { echo $((`hours $1`+`minutes $2`)); }
+
+# every 30 minutes
+SLEEP=`hhmm 0 30`
+
+PACKAGE=radare2
+LOGDIR=log
+
+REMOTEDIR=""
+[ -f ~/.r2farmrc ] && . ~/.r2farmrc
+
+TARGETS="
+	build
+	bindist
+	mingw32
+"
+# mingw64 maemo
diff --git a/sys/farm/check.sh b/sys/farm/check.sh
new file mode 100755
index 0000000000..4faa625da2
--- /dev/null
+++ b/sys/farm/check.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+revision() {
+	echo `hg tip|head -n 1|cut -d : -f 2`
+}
+
+cd `dirname $PWD/$0` ; cd ..
+. ./farm/CONFIG
+[ ! -f farm/last-revision ] && exit 1
+now=`revision`
+old=`cat farm/last-revision`
+[ "$now" = "$old" ]
diff --git a/sys/farm/daemon.sh b/sys/farm/daemon.sh
new file mode 100644
index 0000000000..fd5d7a2283
--- /dev/null
+++ b/sys/farm/daemon.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+cd `dirname $PWD/$0` 
+while : ; do
+	( ./check.sh )  && ./run.sh
+	sleep ${SLEEP}
+done
diff --git a/sys/farm/prepare.sh b/sys/farm/prepare.sh
new file mode 100755
index 0000000000..d50a0e87b7
--- /dev/null
+++ b/sys/farm/prepare.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+# install all deps in order to setup the farm
+PREPARE="
+	vala
+	swig
+	valabind
+	python-deps
+	mingw32-deps
+	mingw64-deps
+"
+
+cd `dirname $PWD/$0` ; cd ..
+for a in ${PREPARE} ; do
+	./${a}.sh
+done
diff --git a/sys/farm/push.sh b/sys/farm/push.sh
new file mode 100755
index 0000000000..f2d1f083b6
--- /dev/null
+++ b/sys/farm/push.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# find root
+cd `dirname $PWD/$0` ; cd ..
+
+. ./farm/CONFIG
+
+if [ -z "${REMOTEDIR}" ]; then
+	echo "# You have to setup the REMOTEDIR var in your config var"
+	echo "echo 'REMOTEDIR=...' > ~/.r2farmrc"
+	exit 1
+fi
+
+rsync -avz farm/${LOGDIR}/* ${REMOTEDIR}
diff --git a/sys/farm/run.sh b/sys/farm/run.sh
new file mode 100755
index 0000000000..e7725fc1d7
--- /dev/null
+++ b/sys/farm/run.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+cd `dirname $PWD/$0` ; cd ..
+. ./farm/CONFIG
+
+revision() {
+	echo `hg tip|head -n 1|cut -d : -f 2`
+}
+
+tstamp() {
+	date +%Y%m%d-%h
+}
+
+logfile() {
+	echo "${LOGDIR}/${PACKAGE}-`tstamp`-`revision`-$1"
+}
+
+mkdir -p farm/${LOGDIR}
+for a in ${TARGETS} ; do
+	L=farm/`logfile $a`
+	echo "= $a" | tee $L.log
+	./${a}.sh 2>&1 | tee -a $L.log
+	echo $? > $L.ret
+done
+echo $revision > farm/last-revision
+exit 0
diff --git a/sys/gtk.sh b/sys/gtk.sh
new file mode 100644
index 0000000000..0d82b3bd45
--- /dev/null
+++ b/sys/gtk.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ -x /usr/bin/pacman ]; then
+	sudo pacman -S gtk2
+elif [ -x /usr/bin/apt-get ]; then
+	sudo apt-get install gtk2-2.0-dev
+elif [ -x /opt/local/bin/port ]; then
+	echo "Installing cairo.."
+	sudo port install cairo +quartz+no_x11 || exit 1
+	echo "Installing pango.."
+	sudo port install pango +quartz+no_x11 || exit 1
+	echo "Installing GTK2.."
+	sudo port install gtk2 +quartz+no_x11 || exit 1
+else
+	echo "Cannot install gtk :("
+	exit 1
+fi
+:> .gtk-done.sh
diff --git a/sys/install.sh b/sys/install.sh
index e23cc4371f..85993fdcf8 100755
--- a/sys/install.sh
+++ b/sys/install.sh
@@ -10,17 +10,4 @@ elif [ -d .git ]; then
 	git pull
 fi
 
-ccache --help > /dev/null 2>&1
-if [ $? = 0 ]; then
-	[ -z "${CC}" ] && CC=gcc
-	CC="ccache ${CC}"
-	export CC
-fi
-
-# build
-if [ -f config-user.mk ]; then
-	make mrproper
-fi
-./configure --prefix=/usr && \
-make -j 4 && \
-sudo make symstall
+./sys/build.sh && sudo make symstall